Cheap flights from Idaho Falls to Seattle (IDA - SEA) from $129

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. 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.
IDA — SEA
May 3 — May 101

The best prices from Idaho Falls Fanning Field to Seattle/Tacoma Intl are usually found in February or December, booked 89 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Idaho Falls to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Seattle (SEA). 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 28, 2024.

Popular in

August

Cheapest in

February

Average price

$238

Round-trip from

$244
High demand for flights, 38% potential price rise
Best time to find cheap flights, 42% potential price drop
Average for round-trip flights in April 2024
From Idaho Falls Fanning Field to Seattle/Tacoma Intl

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 49% when planning your travel around this day of the week.

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

Users have found that booking a flight from Idaho Falls to Seattle at least 39 days early can save you up to 486% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from Idaho Falls to Seattle for as little as $528 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $698 for flights departing within the next 3 days.

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

February can be a great time to fly to Seattle from Idaho Falls with a flight ticket averaging about $339. Cheapflights users have found deals in the month of February for as cheap as $84. The most expensive prices can be found in the month of August.

When is the cheapest time to fly from Idaho Falls to Seattle (IDA - SEA)?

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

Cheap American Airlines flights from Idaho Falls to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Idaho Falls and Seattle. 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 2,944,896 searches. Data last updated April 28, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Idaho Falls to Seattle. Make sure to double check the flight details before booking.
Wed 5/2912:05 pmIDA - SEA
1 stop13h 10mAmerican Airlines
Thu 5/305:00 amSEA - IDA
1 stop5h 35mAmerican Airlines
Deal found 4/27$573
Fri 5/2412:05 pmIDA - SEA
1 stop5h 52mAmerican Airlines
Sun 5/267:00 amSEA - IDA
2 stops27h 35mAmerican Airlines
Deal found 4/28$609
Thu 5/3012:05 pmIDA - SEA
1 stop13h 10mAmerican Airlines
Sat 6/112:28 pmSEA - IDA
2 stops22h 07mAmerican Airlines
Deal found 4/27$614
Thu 5/3012:05 pmIDA - SEA
2 stops9h 45mAmerican Airlines
Sat 6/17:00 amSEA - IDA
2 stops27h 35mAmerican Airlines
Deal found 4/27$619
Mon 5/2712:05 pmIDA - SEA
2 stops9h 45mAmerican Airlines
Mon 6/37:00 amSEA - IDA
2 stops27h 35mAmerican Airlines
Deal found 4/27$625
Fri 5/2412:05 pmIDA - SEA
2 stops9h 45mAmerican Airlines
Sun 5/267:00 amSEA - IDA
2 stops27h 35mAmerican Airlines
Deal found 4/28$684
Fri 5/317:00 amIDA - SEA
2 stops14h 50mAmerican Airlines
Wed 6/55:00 amSEA - IDA
2 stops15h 43mAmerican Airlines
Deal found 4/27$1,102
Mon 5/2712:05 pmIDA - SEA
2 stops9h 45mAmerican Airlines
Sun 6/21:15 amSEA - IDA
1 stop10h 29mAmerican Airlines
Deal found 4/27$1,258
Sat 6/112:05 pmIDA - SEA
1 stop5h 52mAmerican Airlines
Wed 6/512:20 amSEA - IDA
1 stop11h 53mAmerican Airlines
Deal found 4/27$1,309

Cheap Delta flights from Idaho Falls to Seattle

Explore cheap flight options specifically provided by Delta for the route between Idaho Falls and Seattle. 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 2,944,896 searches. Data last updated April 28, 2024.
Have a look at some of the cheapest available Delta flights departing from Idaho Falls and landing in Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 5/317:00 pmIDA - SEA
1 stop5h 59mDelta
Wed 6/55:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/27$291
Mon 6/107:00 pmIDA - SEA
1 stop5h 59mDelta
Sat 7/135:30 amSEA - IDA
1 stop5h 53mDelta
Deal found 4/27$331
Sun 6/166:10 amIDA - SEA
1 stop4h 53mDelta
Sat 6/225:30 amSEA - IDA
1 stop5h 52mDelta
Deal found 4/28$462
Fri 8/307:00 pmIDA - SEA
1 stop5h 57mDelta
Sun 9/15:40 amSEA - IDA
1 stop5h 38mDelta
Deal found 4/27$486
Fri 7/51:05 pmIDA - SEA
1 stop6h 47mDelta
Sat 7/135:30 amSEA - IDA
1 stop5h 53mDelta
Deal found 4/27$497
Sun 6/166:10 amIDA - SEA
1 stop4h 53mDelta
Sat 6/225:30 amSEA - IDA
1 stop5h 52mDelta
Deal found 4/27$506
Fri 5/107:00 pmIDA - SEA
1 stop4h 21mDelta
Tue 5/145:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/28$546
Thu 5/307:00 pmIDA - SEA
1 stop4h 21mDelta
Sat 6/15:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/27$577
Fri 5/36:58 pmIDA - SEA
1 stop4h 40mDelta
Tue 5/75:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/26$611

Cheap Idaho Falls to Seattle flights in April & May 2024

Find cheap flight options from Idaho Falls to Seattle specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Check out some of the best flight deals from Idaho Falls to Seattle in 2024. Check back regularly for other flight deals.
Fri 5/246:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Sun 5/269:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/28$262
Fri 5/313:32 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Wed 6/59:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$282
Fri 5/317:00 pmIDA - SEA
1 stop5h 59mDelta
Wed 6/55:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/27$291
Mon 5/276:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Mon 6/312:11 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 4/27$412
Fri 5/106:00 amIDA - SEA
Nonstop1h 48mAlaska Airlines
Tue 5/1412:10 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 4/28$492
Fri 5/107:00 pmIDA - SEA
1 stop4h 21mDelta
Tue 5/145:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/28$546
Mon 5/2710:45 amIDA - SEA
1 stop22h 17mUnited Airlines
Mon 6/35:05 amSEA - IDA
1 stop27h 35mUnited Airlines
Deal found 4/27$569
Wed 5/2912:05 pmIDA - SEA
1 stop13h 10mAmerican Airlines
Thu 5/305:00 amSEA - IDA
1 stop5h 35mAmerican Airlines
Deal found 4/27$573
Thu 5/307:00 pmIDA - SEA
1 stop4h 21mDelta
Sat 6/15:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/27$577

Idaho Falls to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the best flight deals from Idaho Falls to Seattle in 2024. Check back regularly for other flight deals.
Sat 6/16:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Thu 6/69:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$262
Mon 12/27:00 pmIDA - SEA
1 stop5h 59mDelta
Sat 1/111:35 pmSEA - IDA
1 stop3h 41mDelta
Deal found 4/26$281
Fri 5/313:32 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Wed 6/59:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$282
Fri 5/317:00 pmIDA - SEA
1 stop5h 59mDelta
Wed 6/55:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/27$291
Sun 9/16:06 amIDA - SEA
Nonstop1h 54mAlaska Airlines
Mon 9/912:44 pmSEA - IDA
Nonstop1h 46mAlaska Airlines
Deal found 4/27$302
Fri 7/56:00 amIDA - SEA
Nonstop1h 52mAlaska Airlines
Sat 7/139:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$322
Mon 6/107:00 pmIDA - SEA
1 stop5h 59mDelta
Sat 7/135:30 amSEA - IDA
1 stop5h 53mDelta
Deal found 4/27$331
Mon 6/36:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Mon 6/109:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$337
Fri 7/194:02 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Mon 7/2212:40 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/28$342

Non-stop flights to Seattle from Idaho Falls

Discover non-stop flight options from Idaho Falls to Seattle. 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 2,944,896 searches. Data last updated April 28, 2024.
Consider booking one of these non-stop flights heading from Idaho Falls to Seattle. Search for alternative flights from Idaho Falls to Seattle by utilizing the search form above.
Sat 6/16:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Thu 6/69:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$262
Fri 5/313:32 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Wed 6/59:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$282
Sun 9/16:06 amIDA - SEA
Nonstop1h 54mAlaska Airlines
Mon 9/912:44 pmSEA - IDA
Nonstop1h 46mAlaska Airlines
Deal found 4/27$302
Fri 7/56:00 amIDA - SEA
Nonstop1h 52mAlaska Airlines
Sat 7/139:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$322
Mon 6/36:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Mon 6/109:15 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$337
Fri 7/194:02 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Mon 7/2212:40 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/28$342
Mon 5/276:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Mon 6/312:11 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 4/27$412
Mon 6/103:32 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Sat 7/1312:29 pmSEA - IDA
Nonstop1h 42mAlaska Airlines
Deal found 4/27$432
Fri 5/106:00 amIDA - SEA
Nonstop1h 48mAlaska Airlines
Tue 5/1412:10 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 4/28$492

Idaho Falls to Seattle flights leaving soon

Find last-minute flight options from Idaho Falls to Seattle 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 2,944,896 searches. Data last updated April 28, 2024.
Have a look at some of the flights available from Idaho Falls to Seattle departing last-minute. It's wise to confirm all flight details are correct before booking.
Fri 5/33:31 pmIDA - SEA
Nonstop1h 54mAlaska Airlines
Tue 5/712:10 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 4/26$592
Fri 5/36:58 pmIDA - SEA
1 stop4h 40mDelta
Tue 5/75:09 pmSEA - IDA
1 stop3h 49mDelta
Deal found 4/26$611
Fri 5/36:58 pmIDA - SEA
1 stop6h 36mDelta
Tue 5/75:30 amSEA - IDA
1 stop5h 58mDelta
Deal found 4/27$661
Fri 5/36:00 amIDA - SEA
Nonstop1h 48mAlaska Airlines
Tue 5/79:15 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 4/27$677
Fri 5/36:58 pmIDA - SEA
1 stop4h 40mDelta
Tue 5/71:35 pmSEA - IDA
2 stops7h 23mDelta
Deal found 4/26$829
Fri 5/32:30 pmIDA - SEA
1 stop9h 32mUnited Airlines
Tue 5/77:25 amSEA - IDA
2 stops12h 42mUnited Airlines
Deal found 4/27$874

One-way flights to Seattle from Idaho Falls

Search for one-way flight options from Idaho Falls to Seattle. 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 2,944,896 searches. Data last updated April 28, 2024.
Take a look at some of the one-way flights we've detected from Idaho Falls to Seattle. Users needing a return flight from Idaho Falls to Seattle should utilize the search form above.
Mon 9/26:06 amIDA - SEA
Nonstop1h 54mAlaska Airlines
Deal found 4/27$129
Mon 9/27:00 pmIDA - SEA
1 stop4h 11mDelta
Deal found 4/27$139
Mon 6/36:00 amIDA - SEA
Nonstop1h 49mAlaska Airlines
Deal found 4/26$149
Sun 6/236:00 amIDA - SEA
Nonstop1h 52mAlaska Airlines
Deal found 4/27$169
Mon 5/136:00 amIDA - SEA
Nonstop1h 48mAlaska Airlines
Deal found 4/27$194
Mon 5/137:00 pmIDA - SEA
1 stop5h 59mDelta
Deal found 4/27$204
Mon 6/35:56 pmIDA - SEA
1 stop15h 06mUnited Airlines
Deal found 4/26$239
Mon 7/154:02 pmIDA - SEA
Nonstop1h 56mAlaska Airlines
Deal found 4/28$244
Wed 5/296:00 amIDA - SEA
1 stop4h 14mDelta
Deal found 4/27$265

Find flights from Idaho Falls to Seattle within your budget

Customize your flight search to find flights from Idaho Falls to Seattle 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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$262 - $573

Route

Depart

Return

Price

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sat 6/1

Nonstop1h 49m

Seattle/Tacoma Intl

Thu 6/6

Nonstop1h 42m

$262

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 5/31

Nonstop1h 56m

Seattle/Tacoma Intl

Wed 6/5

Nonstop1h 42m

$282

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 5/31

1 stop5h 59m

Seattle/Tacoma Intl

Wed 6/5

1 stop3h 49m

$291

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sun 9/1

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 9/9

Nonstop1h 46m

$302

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 7/5

Nonstop1h 52m

Seattle/Tacoma Intl

Sat 7/13

Nonstop1h 42m

$322

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Mon 6/10

1 stop5h 59m

Seattle/Tacoma Intl

Sat 7/13

1 stop5h 53m

$331

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Mon 6/3

Nonstop1h 49m

Seattle/Tacoma Intl

Mon 6/10

Nonstop1h 42m

$337

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sun 9/1

1 stop15h 02m

Seattle/Tacoma Intl

Mon 9/9

1 stop14h 09m

$539

Idaho Falls Fanning FieldSeattle/Tacoma Intl

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Wed 5/29

1 stop13h 10m

Seattle/Tacoma Intl

Thu 5/30

1 stop5h 35m

$573

Flights are sorted by cheapest first

Deals found on 4/27

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

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Seattle. Price data was last updated on January 28, 2024.
The best time to book flights from Idaho Falls to Seattle is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Seattle. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Idaho Falls to Seattle flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday 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 Seattle by month

Plan your trip from Idaho Falls to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Idaho Falls to Seattle is currently $192 while a round-trip flight costs $360. Price data was last updated on April 21, 2024.

Currently, December is the cheapest month in which you can book a flight from Idaho Falls to Seattle (average of $244). Flying from Idaho Falls to Seattle in July is currently the most expensive (average of $408). 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

$247

February

$254

March

$288

April

$295

May

$317

June

$407

July

$408

August

$343

September

$278

October

$257

November

$258

December

$244

Temperature and rainfall in Seattle by month

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

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 28, 2024.
Read reviews from past customers who have flown American Airlines, Delta and Alaska Airlines from Idaho Falls to Seattle. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,110 reviews

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
9,110 reviews
8.1
Very good
9,110 reviews

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
10,932 reviews
8.1
Very good
9,110 reviews

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.4
Good
11,221 reviews
8.1
Very good
9,110 reviews

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
14,844 reviews
8.1
Very good
9,110 reviews

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Idaho Falls to Seattle?

    Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Idaho Falls Fanning Field. Booking flights from Fanning Field (IDA) to Seattle/Tacoma Intl (SEA) should be relatively easy as there is 1 daily flight to Seattle from 2 different airlines. 1h 49m is how long a flight from Idaho Falls to Seattle/Tacoma Intl will take if you book a nonstop flight.

  • Can I find flights from Idaho Falls to Seattle for under $300 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to Seattle for under $300. The cheapest flight booked recently is on Alaska Airlines for just $262, but on average you can expect to pay $425.

  • Are there nonstop flights from Idaho Falls to Seattle for under $300 on Cheapflights?

    Cheapflights has at least 9 direct flights from Idaho Falls to Seattle under $300. A good price for a nonstop flight from Idaho Falls to Seattle is less than $353.

  • Are there last-minute flights available from Idaho Falls to Seattle for under $600?

    There are currently 6+ open flights from Idaho Falls to Seattle within the next 7 days for less than $600.

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

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

    Alaska Airlines, at $262, was found to be the cheapest airline from Idaho Falls to Seattle.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Idaho Falls to Seattle for 22% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Idaho Falls to Seattle one-way?

    One-way options have recently been found by users for as low as $129 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $139 and United Airlines from $239 one-way.

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

    Looking for the cheapest flight from Idaho Falls to Seattle? While on average our users pay $313, our data indicates the cheapest price to be $74. The most popular route (Idaho Falls Fanning Field - Seattle/Tacoma Intl), is priced around $267.

  • What does IDA to SEA mean?

    This is defined as Idaho Falls Fanning Field Airport (IDA) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely.

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

    The amount of baggage you can bring on your Idaho Falls to Seattle 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 Idaho Falls to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho Falls to Seattle 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 Idaho Falls to Seattle that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho Falls to Seattle 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 Idaho Falls to Seattle that allow pets onboard?

    Many airlines flying from Idaho Falls to Seattle 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 Idaho Falls to Seattle?

    Yes, you can often find last-minute deals on Idaho Falls to Seattle 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 Idaho Falls to Seattle flight deals updated?

    The Idaho Falls to Seattle flight deals you see on this page were last updated on 4/28.

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.

Top 2 airlines flying from Idaho Falls to Seattle

Discover the top 2 airlines that operate flights from Idaho Falls to Seattle. 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$128Average$329FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$279Average$492FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Idaho Falls to Seattle by cabin class

Find flights from Idaho Falls to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Idaho Falls to Seattle

Find hourly flight availability from Idaho Falls to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2024.
77%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
23%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
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Weekly flight availability from Idaho Falls to Seattle

Explore weekly flight availability from Idaho Falls to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 28, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday1daily flight
Wednesday1daily flight
Thursday2daily flights
Friday2daily flights
Saturday1daily flight

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