HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Portland to Idaho Falls (PDX - IDA) from $126

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — IDA
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Portland to Idaho Falls Fanning Field are usually found in May or October, booked 86 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Portland to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2024.

Popular in

January

Cheapest in

May

Round-trip from

$397

One-way from

$204
High demand for flights, 64% potential price rise
Search Deals
Best time to find cheap flights, 55% potential price drop
Search Deals
From Portland to Idaho Falls Fanning Field
Search Deals
One-way flight from Portland to Idaho Falls Fanning Field
Search Deals

What is the cheapest day to fly round-trip from Portland to Idaho Falls?

Users have found that flying from Portland to Idaho Falls on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Portland to Idaho Falls?

To save up to 152% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to Idaho Falls from $98 1-2 weeks out and tickets from $202 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portland to Idaho Falls?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, May can be a great choice for travel to Idaho Falls. Flights to Idaho Falls from Portland in May are about $229 on average during May, but can be found for as low as $61.

When is the cheapest time to fly from Portland to Idaho Falls (PDX - IDA)?

It’s typically best to fly out from Portland to Idaho Falls in the morning. Doing so could potentially save you 71% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap American Airlines flights from Portland to Idaho Falls

Explore cheap flight options specifically provided by American Airlines for the route between Portland and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Consider these cheap American Airlines flights we've found departing from Portland to Idaho Falls. It's recommended that users confirm their flight details before booking.
Sun 5/261:25 pmPDX - IDA
2 stops21h 10mAmerican Airlines
Sun 6/212:05 pmIDA - PDX
2 stops9h 55mAmerican Airlines
Deal found 4/26$630
Thu 5/27:00 amPDX - IDA
2 stops27h 40mAmerican Airlines
Sun 5/512:10 pmIDA - PDX
2 stops25h 43mAmerican Airlines
Deal found 4/26$1,192
Thu 6/1312:59 amPDX - IDA
1 stop19h 44mAmerican Airlines
Mon 6/176:32 amIDA - PDX
2 stops16h 21mAmerican Airlines
Deal found 4/26$1,284
Thu 6/2012:59 amPDX - IDA
1 stop19h 44mAmerican Airlines
Sun 6/236:32 amIDA - PDX
2 stops16h 21mAmerican Airlines
Deal found 4/26$1,288
Thu 6/1312:59 amPDX - IDA
1 stop19h 44mAmerican Airlines
Mon 7/16:32 amIDA - PDX
1 stop13h 26mAmerican Airlines
Deal found 4/26$1,429

Cheap Alaska Airlines flights from Portland to Idaho Falls

Explore cheap flight options specifically provided by Alaska Airlines for the route between Portland and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Some of the lowest-priced Alaska Airlines flights we've found at this time heading from Portland to Idaho Falls. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 8/2112:40 pmPDX - IDA
2 stops10h 14mAlaska Airlines
Sun 9/16:06 amIDA - PDX
1 stop5h 51mAlaska Airlines
Deal found 4/26$357
Wed 8/217:00 amPDX - IDA
1 stop15h 54mAlaska Airlines
Wed 8/286:06 amIDA - PDX
1 stop4h 36mAlaska Airlines
Deal found 4/26$395
Wed 6/57:00 amPDX - IDA
1 stop15h 57mAlaska Airlines
Sat 6/83:32 pmIDA - PDX
1 stop6h 08mAlaska Airlines
Deal found 4/26$405
Mon 8/194:45 pmPDX - IDA
1 stop6h 12mAlaska Airlines
Tue 8/274:20 pmIDA - PDX
1 stop5h 23mAlaska Airlines
Deal found 4/26$415
Wed 6/57:00 amPDX - IDA
1 stop15h 57mAlaska Airlines
Wed 6/126:00 amIDA - PDX
1 stop15h 40mAlaska Airlines
Deal found 4/26$417
Tue 6/44:50 pmPDX - IDA
1 stop6h 07mAlaska Airlines
Mon 6/103:32 pmIDA - PDX
1 stop9h 09mAlaska Airlines
Deal found 4/26$427
Tue 8/206:50 pmPDX - IDA
1 stop4h 04mAlaska Airlines
Tue 8/274:20 pmIDA - PDX
1 stop6h 23mAlaska Airlines
Deal found 4/26$435
Sat 6/85:00 amPDX - IDA
1 stop8h 52mAlaska Airlines
Wed 6/126:00 amIDA - PDX
1 stop12h 20mAlaska Airlines
Deal found 4/26$437
Sun 6/97:25 pmPDX - IDA
1 stop3h 32mAlaska Airlines
Sat 6/153:51 pmIDA - PDX
1 stop6h 46mAlaska Airlines
Deal found 4/26$443

Cheap Portland to Idaho Falls flights in April & May 2024

Find cheap flight options from Portland to Idaho Falls specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 27, 2024.
These are some of the most attractive deals on flights from Portland to Idaho Falls in 2024. Check back soon for alternative fares.
Fri 5/178:55 pmPDX - IDA
1 stop26h 02mAlaska Airlines
Mon 5/203:32 pmIDA - PDX
1 stop17h 07mAlaska Airlines
Deal found 4/26$452
Sun 5/265:40 amPDX - IDA
1 stop5h 48mDelta
Sun 6/26:00 amIDA - PDX
1 stop4h 00mDelta
Deal found 4/26$453
Fri 5/179:29 pmPDX - IDA
2 stops25h 28mAlaska Airlines
Mon 5/203:32 pmIDA - PDX
1 stop18h 07mAlaska Airlines
Deal found 4/26$459
Tue 5/147:25 pmPDX - IDA
1 stop3h 31mAlaska Airlines
Fri 5/173:32 pmIDA - PDX
1 stop6h 08mAlaska Airlines
Deal found 4/26$465
Fri 5/311:37 amPDX - IDA
2 stops26h 14mAlaska Airlines
Mon 5/63:31 pmIDA - PDX
2 stops18h 13mAlaska Airlines
Deal found 4/26$486
Tue 5/142:14 pmPDX - IDA
2 stops6h 44mDelta
Fri 5/177:00 pmIDA - PDX
1 stop5h 42mDelta
Deal found 4/26$500
Fri 5/179:29 pmPDX - IDA
2 stops25h 28mAlaska Airlines
Mon 5/203:32 pmIDA - PDX
2 stops17h 57mAlaska Airlines
Deal found 4/26$510
Sun 5/265:10 amPDX - IDA
2 stops6h 18mDelta
Sun 6/26:00 amIDA - PDX
1 stop4h 00mDelta
Deal found 4/26$530
Mon 5/134:50 pmPDX - IDA
1 stop6h 06mAlaska Airlines
Wed 5/156:00 amIDA - PDX
1 stop5h 55mAlaska Airlines
Deal found 4/26$577

Portland to Idaho Falls 2024 flight deals

Discover exclusive flight deals for travel between Portland and Idaho Falls in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
These are some of the most attractive deals on flights from Portland to Idaho Falls in 2024. Check back soon for alternative fares.
Mon 6/103:48 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Fri 6/147:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$126
Fri 6/73:48 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Fri 6/147:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$142
Mon 6/33:47 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Fri 6/77:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$148
Fri 6/73:48 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Mon 6/107:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$161
Sat 8/241:45 pmPDX - IDA
1 stop3h 31mDelta
Sat 8/316:20 amIDA - PDX
1 stop3h 41mDelta
Deal found 4/26$353
Wed 8/2112:40 pmPDX - IDA
2 stops10h 14mAlaska Airlines
Tue 8/274:20 pmIDA - PDX
1 stop6h 23mAlaska Airlines
Deal found 4/26$357
Sat 6/85:19 pmPDX - IDA
1 stop3h 58mDelta
Tue 6/117:00 pmIDA - PDX
2 stops5h 54mDelta
Deal found 4/26$360
Tue 6/46:00 amPDX - IDA
2 stops11h 17mDelta
Tue 6/117:00 pmIDA - PDX
2 stops5h 54mDelta
Deal found 4/26$373
Sat 6/85:19 pmPDX - IDA
1 stop3h 58mDelta
Tue 6/117:00 pmIDA - PDX
1 stop5h 52mDelta
Deal found 4/26$378

Non-stop flights to Idaho Falls from Portland

Discover non-stop flight options from Portland to Idaho Falls. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the direct flights traveling from Portland to Idaho Falls in the near future. Users can also choose from other Portland to Idaho Falls flights by using the search form above.
Mon 6/103:48 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Fri 6/147:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$126
Fri 6/73:48 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Fri 6/147:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$142
Mon 6/33:47 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Fri 6/77:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$148
Fri 6/73:48 pmPDX - IDA
Nonstop1h 39mAllegiant Air
Mon 6/107:17 pmIDA - PDX
Nonstop1h 39mAllegiant Air
Deal found 4/26$161

Portland to Idaho Falls flights leaving soon

Find last-minute flight options from Portland to Idaho Falls for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Consider one of these great deals we found on last-minute flights from Portland to Idaho Falls. Tip: verify your flight details before completing your reservation.
Fri 5/311:37 amPDX - IDA
2 stops26h 14mAlaska Airlines
Mon 5/63:31 pmIDA - PDX
2 stops18h 13mAlaska Airlines
Deal found 4/26$486
Fri 5/38:15 amPDX - IDA
1 stop5h 36mAlaska Airlines
Mon 5/63:31 pmIDA - PDX
2 stops18h 13mAlaska Airlines
Deal found 4/26$601
Thu 5/211:37 amPDX - IDA
2 stops11h 19mAlaska Airlines
Fri 5/36:00 amIDA - PDX
1 stop4h 40mAlaska Airlines
Deal found 4/25$716
Thu 5/29:26 amPDX - IDA
1 stop4h 25mUndisclosed Carrier
Fri 5/33:31 pmIDA - PDX
1 stop3h 38mUndisclosed Carrier
Deal found 4/25$738
Fri 5/34:50 pmPDX - IDA
1 stop6h 06mAlaska Airlines
Mon 5/63:31 pmIDA - PDX
1 stop3h 38mAlaska Airlines
Deal found 4/26$741
Fri 5/36:07 pmPDX - IDA
1 stop4h 49mAlaska Airlines
Sat 5/43:31 pmIDA - PDX
2 stops18h 13mAlaska Airlines
Deal found 4/27$747
Fri 5/38:00 amPDX - IDA
2 stops14h 56mAlaska Airlines
Sat 5/43:31 pmIDA - PDX
2 stops18h 13mAlaska Airlines
Deal found 4/27$822
Thu 5/210:28 amPDX - IDA
2 stops22h 15mUnited Airlines
Fri 5/35:56 pmIDA - PDX
2 stops25h 55mUnited Airlines
Deal found 4/25$900
Thu 5/211:37 amPDX - IDA
2 stops11h 19mAlaska Airlines
Sun 5/53:31 pmIDA - PDX
1 stop3h 38mAlaska Airlines
Deal found 4/26$906

One-way flights to Idaho Falls from Portland

Search for one-way flight options from Portland to Idaho Falls. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the best available options we've come across on one-way flights from Portland to Idaho Falls. Those needing a return flight from Portland to Idaho Falls can use the search form above.
Mon 5/276:07 pmPDX - IDA
1 stop4h 50mAlaska Airlines
Deal found 4/26$204
Mon 5/278:50 amPDX - IDA
2 stops14h 07mAlaska Airlines
Deal found 4/26$288

Find flights from Portland to Idaho Falls within your budget

Customize your flight search to find flights from Portland to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$126 - $630

Route

Depart

Return

Price

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Mon 6/10

Nonstop1h 39m

Idaho Falls Fanning Field

Fri 6/14

Nonstop1h 39m

$126

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Fri 6/7

Nonstop1h 39m

Idaho Falls Fanning Field

Fri 6/14

Nonstop1h 39m

$142

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Mon 6/3

Nonstop1h 39m

Idaho Falls Fanning Field

Fri 6/7

Nonstop1h 39m

$148

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Fri 6/7

Nonstop1h 39m

Idaho Falls Fanning Field

Mon 6/10

Nonstop1h 39m

$161

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Sat 8/24

1 stop3h 31m

Idaho Falls Fanning Field

Sun 9/1

1 stop3h 41m

$353

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Wed 8/21

2 stops10h 14m

Idaho Falls Fanning Field

Sun 9/1

1 stop5h 51m

$357

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Sat 6/8

1 stop3h 58m

Idaho Falls Fanning Field

Tue 6/11

2 stops5h 54m

$360

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Mon 6/3

2 stops24h 21m

Idaho Falls Fanning Field

Fri 6/7

2 stops25h 45m

$551

PortlandIdaho Falls Fanning Field

PDX - IDA

PDXIDA

Portland

Sun 5/26

2 stops21h 10m

Idaho Falls Fanning Field

Sun 6/2

2 stops9h 55m

$630

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from Portland to Idaho Falls?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Idaho Falls. Price data was last updated on January 28, 2024.
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Idaho Falls. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Portland to Idaho Falls?

Use this chart to determine the cheapest time to fly round-trip from Portland to Idaho Falls. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Idaho Falls flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Idaho Falls by month

Plan your trip from Portland to Idaho Falls by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Idaho Falls is currently $246 while a round-trip flight costs $314. Price data was last updated on April 21, 2024.

Currently, December is the cheapest month in which you can book a flight from Portland to Idaho Falls (average of $397). Flying from Portland to Idaho Falls in June is currently the most expensive (average of $625). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$469

February

$446

March

$535

April

$498

May

$493

June

$625

July

$611

August

$553

September

$532

October

$488

November

$456

December

$397

Temperature and rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature and rainfall totals by month.

IDA

Temperature

23 - 69.8 °F

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated April 27, 2024.
To help decide which airline to fly from Portland to Idaho Falls, see what other customers have to say about American Airlines, Alaska Airlines and Allegiant Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,117 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,951 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Allegiant Air
7.5
Good
1,033 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,228 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,875 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Portland to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Portland to Idaho Falls for under $200 on Cheapflights?

    Yes, there are multiple flights from Portland to Idaho Falls for under $200. The cheapest flight booked recently is on Allegiant Air for just $126, but on average you can expect to pay $348.

  • Are there nonstop flights from Portland to Idaho Falls for under $200 on Cheapflights?

    Cheapflights has at least 4 direct flights from Portland to Idaho Falls under $200. A good price for a nonstop flight from Portland to Idaho Falls is less than $144.

  • Are there last-minute flights available from Portland to Idaho Falls for under $500?

    There are currently 10+ open flights from Portland to Idaho Falls within the next 7 days for less than $500.

  • How popular is this Portland to Idaho Falls flight route?

    Within the past month, 1 users have taken a look at flights from Portland to Idaho Falls Fanning Field.

  • What are the cheapest airlines flying from Portland to Idaho Falls round-trip?

    Our cheapest airline available from Portland to Idaho Falls is Allegiant Air. Our recent data shows that you can find tickets from as low as $126 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $353 and $357 round-trip. These flights start at 45% lower than the current average price 3 months from now.

  • What are the most popular airlines that fly from Portland to Idaho Falls?

    Consider Alaska Airlines, Delta or Allegiant Air when booking your flight. These represent the most popular airlines when flying from Portland to Idaho Falls.

  • What are the cheapest flights from Portland to Idaho Falls?

    While on average a flight from Portland to Idaho Falls is generally $108, our data shows the cheapest flight currently is $75. When looking at the most popular route, (Portland - Idaho Falls Fanning Field), you can expect to pay $155 for that flight.

  • What does PDX to IDA mean?

    Great question - PDX to IDA just means Portland Airport to Idaho Falls Fanning Field Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Portland to Idaho Falls that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Idaho Falls flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Idaho Falls with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Idaho Falls flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Portland to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Portland to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Idaho Falls.

  • Can I find deals for business class flights from Portland to Idaho Falls?

    Yes. Cheapflights offers flight deals from Portland to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portland to Idaho Falls that allow pets onboard?

    Many airlines flying from Portland to Idaho Falls offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Idaho Falls?

    Yes, you can often find last-minute deals on Portland to Idaho Falls flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Idaho Falls flight deals updated?

    The Portland to Idaho Falls flight deals you see on this page were last updated on 4/26.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Idaho Falls
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Spokane flights
Portland to Boise flights
Eugene to Spokane flights
Medford to Boise flights
Eugene to Boise flights
Medford to Spokane flights
Portland to Hailey flights
Eugene to Idaho Falls flights
Portland to Pocatello flights
Redmond to Spokane flights
Portland to Lewiston flights
Redmond to Boise flights
Eugene to Lewiston flights
Portland to Twin Falls flights
Medford to Idaho Falls flights
Medford to Hailey flights

Top 3 airlines flying from Portland to Idaho Falls

Discover the top 3 airlines that operate flights from Portland to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$72Average$109FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
DeltaCheapest$296Average$423FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$401Average$555FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Los Angeles to Salt Lake City flights
Denver to Las Vegas flights
San Francisco to San Diego flights
Detroit to Los Angeles flights
Honolulu to Tokyo flights
Indianapolis to Las Vegas flights
Indianapolis to New York flights
USA to Scotland flights
Chicago to Puerto Rico flights
USA to Nairobi flights
New York to Aruba flights
Portland to Bali flights

Search flights from Portland to Idaho Falls by cabin class

Find flights from Portland to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Fez Sais
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros
Flights to Lanzhou Arpt
Flights to Mason City

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Idaho Falls?

Cheapflights makes it easy to find Portland to Idaho Falls flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Idaho Falls?

Cheapflights helps you find that perfect flight to Idaho Falls from Portland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portland to Idaho Falls with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to Idaho Falls with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Idaho Falls become cheaper?

Yes! Start tracking prices for Portland to Idaho Falls flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines