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Cheap flights from Idaho Falls (IDA) to Illinois from $163

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 6/12. 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 — ORD
may. 21 — may. 281
From?
To?
mar. 5/21
mar. 5/28
1 adult, Economy
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What is the cheapest month to fly from Idaho Falls to Illinois?

The best pricing can be found in the month of December. Prices to Illinois from Idaho Falls average $552. You can even find prices in December for less than $552, as users have found deals to Illinois from as low as $375. The month of September appears to be one of the more expensive times to travel to Illinois from Idaho Falls. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Idaho Falls to Illinois (IDA - IL)?

When flying from Idaho Falls to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Alaska Airlines flights from Idaho Falls to Illinois

Explore cheap flight options specifically provided by Alaska Airlines for the route between Idaho Falls and Illinois. 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 2,637,452 searches. Data last updated mayo 16, 2024.
Consider these cheap Alaska Airlines flights we've found departing from Idaho Falls to Illinois. Be sure to come back soon if the deals available don't appeal to you at this time.
mar. 6/43:32 pmIDA - ORD
1 stop25h 57mAlaska Airlines
sáb. 6/82:54 pmORD - IDA
2 stops10h 03mAlaska Airlines
Deal found 5/15$430
mar. 6/43:32 pmIDA - ORD
1 stop25h 57mAlaska Airlines
sáb. 6/85:28 pmORD - IDA
1 stop7h 29mAlaska Airlines
Deal found 5/15$441
mar. 6/43:32 pmIDA - ORD
2 stops13h 48mAlaska Airlines
sáb. 6/82:54 pmORD - IDA
2 stops10h 03mAlaska Airlines
Deal found 5/15$465
vie. 6/73:32 pmIDA - ORD
1 stop13h 08mAlaska Airlines
lun. 6/109:20 pmORD - IDA
1 stop27h 37mAlaska Airlines
Deal found 5/14$504
jue. 7/184:02 pmIDA - ORD
1 stop11h 38mAlaska Airlines
mar. 7/236:35 amORD - IDA
2 stops18h 22mAlaska Airlines
Deal found 5/15$520
vie. 6/73:32 pmIDA - ORD
1 stop13h 08mAlaska Airlines
lun. 6/108:00 amORD - IDA
2 stops16h 57mAlaska Airlines
Deal found 5/14$547
jue. 7/184:02 pmIDA - ORD
2 stops13h 18mAlaska Airlines
mar. 7/236:35 amORD - IDA
2 stops18h 22mAlaska Airlines
Deal found 5/15$569
jue. 5/303:32 pmIDA - ORD
2 stops12h 08mAlaska Airlines
dom. 6/26:15 amORD - IDA
1 stop18h 42mAlaska Airlines
Deal found 5/14$613
vie. 6/73:32 pmIDA - ORD
2 stops12h 08mAlaska Airlines
lun. 6/108:00 amORD - IDA
2 stops16h 57mAlaska Airlines
Deal found 5/14$631

Cheap United Airlines flights from Idaho Falls to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Idaho Falls and Illinois. 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 2,637,452 searches. Data last updated mayo 16, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Idaho Falls to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
mar. 8/207:05 amIDA - MLI
2 stops9h 02mUnited Airlines
sáb. 8/2411:00 amMLI - IDA
2 stops7h 14mUnited Airlines
Deal found 5/14$377
vie. 6/215:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
mié. 6/265:04 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 5/15$408
mar. 8/207:05 amIDA - MLI
2 stops9h 02mUnited Airlines
sáb. 8/248:55 amMLI - IDA
1 stop5h 32mUnited Airlines
Deal found 5/14$421
mar. 8/2010:40 amIDA - MLI
1 stop9h 31mUnited Airlines
sáb. 8/248:55 amMLI - IDA
1 stop5h 32mUnited Airlines
Deal found 5/14$472
jue. 7/182:35 pmIDA - ORD
1 stop7h 20mUnited Airlines
mar. 7/238:32 pmORD - IDA
1 stop14h 03mUnited Airlines
Deal found 5/15$483
vie. 8/25:58 pmIDA - STL
1 stop27h 22mUnited Airlines
vie. 8/95:30 pmSTL - IDA
2 stops24h 47mUnited Airlines
Deal found 5/15$540
vie. 8/25:58 pmIDA - STL
2 stops19h 38mUnited Airlines
vie. 8/95:30 pmSTL - IDA
2 stops24h 47mUnited Airlines
Deal found 5/15$545
vie. 8/25:58 pmIDA - STL
1 stop27h 22mUnited Airlines
vie. 8/94:36 pmSTL - IDA
1 stop17h 59mUnited Airlines
Deal found 5/15$550
mié. 8/75:58 pmIDA - STL
1 stop27h 13mUnited Airlines
vie. 8/95:30 pmSTL - IDA
2 stops17h 05mUnited Airlines
Deal found 5/16$560

Cheap Idaho Falls to Illinois flights in May & June 2024

Find cheap flight options from Idaho Falls to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on mayo 16, 2024.
Scroll through some of the best deals on flights from Idaho Falls to Illinois in 2024. Check back soon for alternative fares.
vie. 6/215:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
mié. 6/265:04 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 5/15$408
mar. 6/43:32 pmIDA - ORD
1 stop25h 57mAlaska Airlines
sáb. 6/82:54 pmORD - IDA
2 stops10h 03mAlaska Airlines
Deal found 5/15$430
mar. 6/43:32 pmIDA - ORD
1 stop25h 57mAlaska Airlines
sáb. 6/85:28 pmORD - IDA
1 stop7h 29mAlaska Airlines
Deal found 5/15$441
mar. 6/43:32 pmIDA - ORD
2 stops13h 48mAlaska Airlines
sáb. 6/82:54 pmORD - IDA
2 stops10h 03mAlaska Airlines
Deal found 5/15$465
jue. 6/131:43 pmIDA - ORD
1 stop7h 55mAmerican Airlines
jue. 6/204:00 pmORD - IDA
1 stop6h 43mAmerican Airlines
Deal found 5/15$493
vie. 6/73:32 pmIDA - ORD
1 stop13h 08mAlaska Airlines
lun. 6/109:20 pmORD - IDA
1 stop27h 37mAlaska Airlines
Deal found 5/14$504
vie. 6/73:32 pmIDA - ORD
1 stop13h 08mAlaska Airlines
lun. 6/108:00 amORD - IDA
2 stops16h 57mAlaska Airlines
Deal found 5/14$547
vie. 6/215:56 pmIDA - ORD
2 stops14h 42mUnited Airlines
mié. 6/265:04 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 5/15$562
mar. 5/212:30 pmIDA - MLI
1 stop6h 05mUnited Airlines
mar. 5/285:45 pmMLI - IDA
2 stops28h 23mUnited Airlines
Deal found 5/15$586

Idaho Falls to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Scroll through some of the best deals on flights from Idaho Falls to Illinois in 2024. Check back soon for alternative fares.
mar. 8/207:00 pmIDA - STL
1 stop4h 36mDelta
sáb. 8/2410:25 amSTL - IDA
2 stops8h 51mDelta
Deal found 5/14$333
mar. 8/206:20 amIDA - STL
2 stops7h 09mDelta
sáb. 8/2410:25 amSTL - IDA
2 stops8h 51mDelta
Deal found 5/14$338
mar. 8/207:05 amIDA - MLI
2 stops9h 02mUnited Airlines
sáb. 8/2411:00 amMLI - IDA
2 stops7h 14mUnited Airlines
Deal found 5/14$377
mar. 8/207:00 pmIDA - STL
1 stop4h 36mDelta
sáb. 8/246:30 amSTL - IDA
2 stops12h 46mDelta
Deal found 5/15$387
mar. 8/202:25 pmIDA - STL
1 stop6h 03mUnited Airlines
sáb. 8/244:51 pmSTL - IDA
1 stop5h 32mUnited Airlines
Deal found 5/14$408
vie. 6/215:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
mié. 6/265:04 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 5/15$408
mar. 8/207:05 amIDA - MLI
2 stops9h 02mUnited Airlines
sáb. 8/248:55 amMLI - IDA
1 stop5h 32mUnited Airlines
Deal found 5/14$421
mar. 6/43:32 pmIDA - ORD
1 stop25h 57mAlaska Airlines
sáb. 6/82:54 pmORD - IDA
2 stops10h 03mAlaska Airlines
Deal found 5/15$430
mar. 6/43:32 pmIDA - ORD
1 stop25h 57mAlaska Airlines
sáb. 6/85:28 pmORD - IDA
1 stop7h 29mAlaska Airlines
Deal found 5/15$441

Idaho Falls to Illinois flights leaving soon

Find last-minute flight options from Idaho Falls to Illinois 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 2,637,452 searches. Data last updated mayo 16, 2024.
Have a look at some of the flights available from Idaho Falls to Illinois departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
mar. 5/212:30 pmIDA - MLI
1 stop6h 05mUnited Airlines
mar. 5/285:45 pmMLI - IDA
2 stops28h 23mUnited Airlines
Deal found 5/15$586
mar. 5/212:30 pmIDA - MLI
1 stop6h 05mUnited Airlines
mar. 5/289:05 amMLI - IDA
1 stop25h 35mUnited Airlines
Deal found 5/15$676
mié. 5/227:00 amIDA - ORD
2 stops12h 15mUnited Airlines
lun. 5/278:45 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 5/15$677
mié. 5/221:31 pmIDA - ORD
1 stop7h 01mDelta
dom. 5/267:45 amORD - IDA
1 stop5h 43mDelta
Deal found 5/15$704
mié. 5/226:00 amIDA - ORD
1 stop5h 40mDelta
dom. 5/266:07 amORD - IDA
2 stops7h 21mDelta
Deal found 5/15$709
mié. 5/222:30 pmIDA - ORD
1 stop7h 31mUnited Airlines
lun. 5/2711:45 amORD - IDA
3 stops22h 55mUnited Airlines
Deal found 5/15$723
mié. 5/221:31 pmIDA - ORD
2 stops9h 24mDelta
dom. 5/266:07 amORD - IDA
2 stops7h 21mDelta
Deal found 5/14$789
mié. 5/2210:45 amIDA - ORD
2 stops20h 25mUnited Airlines
lun. 5/2711:45 amORD - IDA
3 stops22h 55mUnited Airlines
Deal found 5/15$811
mié. 5/221:31 pmIDA - ORD
2 stops9h 24mDelta
dom. 5/266:07 amORD - IDA
2 stops7h 21mDelta
Deal found 5/15$831

One-way flights to Illinois from Idaho Falls

Search for one-way flight options from Idaho Falls to Illinois. 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 2,637,452 searches. Data last updated mayo 16, 2024.
Take a look at some of the best available options we've come across on one-way flights from Idaho Falls to Illinois. Users in need of a round-trip flight from Idaho Falls to Illinois instead should update the search form at the top of page.
mié. 6/126:00 amIDA - ORD
1 stop16h 49mAlaska Airlines
Deal found 5/15$163
mar. 6/251:43 pmIDA - ORD
1 stop6h 42mAmerican Airlines
Deal found 5/15$204
mar. 6/257:00 pmIDA - MDW
2 stops12h 48mDelta
Deal found 5/16$209
mié. 6/127:00 pmIDA - ORD
2 stops11h 32mDelta
Deal found 5/15$209
mar. 6/257:00 pmIDA - MDW
2 stops12h 48mDelta
Deal found 5/15$229
jue. 6/205:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
Deal found 5/15$250
mié. 6/127:00 pmIDA - MDW
2 stops12h 48mDelta
Deal found 5/15$254
jue. 6/201:43 pmIDA - ORD
1 stop7h 55mAmerican Airlines
Deal found 5/15$269
mié. 6/52:30 pmIDA - MLI
1 stop5h 23mUnited Airlines
Deal found 5/15$320

Find flights from Idaho Falls to Illinois within your budget

Customize your flight search to find flights from Idaho Falls to Illinois 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 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$333 - $493

Route

Depart

Return

Price

Idaho Falls Fanning FieldLambert-St Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

mar. 8/20

1 stop4h 36m

Lambert-St Louis

sáb. 8/24

2 stops8h 51m

$333

Idaho Falls Fanning FieldLambert-St Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

mar. 8/20

2 stops7h 09m

Lambert-St Louis

sáb. 8/24

2 stops8h 51m

$338

Idaho Falls Fanning FieldMoline Quad-City

IDA - MLI

IDAMLI

Idaho Falls Fanning Field

mar. 8/20

2 stops9h 02m

Moline Quad-City

sáb. 8/24

2 stops7h 14m

$377

Idaho Falls Fanning FieldLambert-St Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

mar. 8/20

1 stop4h 36m

Lambert-St Louis

sáb. 8/24

2 stops12h 46m

$387

Idaho Falls Fanning FieldLambert-St Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

mar. 8/20

1 stop6h 03m

Lambert-St Louis

sáb. 8/24

1 stop5h 32m

$408

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

vie. 6/21

1 stop5h 03m

Chicago O'Hare Intl

mié. 6/26

1 stop5h 36m

$408

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mar. 6/4

1 stop25h 57m

Chicago O'Hare Intl

sáb. 6/8

2 stops10h 03m

$430

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mar. 6/4

1 stop25h 57m

Chicago O'Hare Intl

sáb. 6/8

1 stop7h 29m

$441

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

jue. 6/13

1 stop7h 55m

Chicago O'Hare Intl

jue. 6/20

1 stop6h 43m

$493

Flights are sorted by cheapest first

Deals found on 5/14

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated mayo 16, 2024.
See what other customers who have flown with Alaska Airlines, United Airlines and Delta from Idaho Falls to Illinois have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,157 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
10,673 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
10,924 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,514 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

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 Idaho Falls to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Illinois?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Illinois from Idaho Falls.

  • Can I find flights from Idaho Falls to Illinois for under $400 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to Illinois for under $400. The cheapest flight booked recently is on Delta for just $333, but on average you can expect to pay $451.

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

    There are currently 10+ open flights from Idaho Falls to Illinois within the next 7 days for less than $600.

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

    $163 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $204 and $209, respectively.

  • What are the most popular routes from Idaho Falls to Illinois?

    The most popular flight routes from Idaho Falls to Illinois are Idaho Falls Fanning Field - Chicago O'Hare Intl, Idaho Falls Fanning Field - Chicago Midway and Idaho Falls Fanning Field - Lambert-St Louis.

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

    The most popular airlines flying from Idaho Falls to Illinois are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

  • What does IDA to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a IDA to ORD flight. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

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

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

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

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

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

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

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

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

    Many airlines flying from Idaho Falls to Illinois 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 Illinois?

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

    The Idaho Falls to Illinois flight deals you see on this page were last updated on 5/15.

See more FAQs

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Top 4 airlines flying from Idaho Falls to Illinois

Discover the top 4 airlines that operate flights from Idaho Falls to Illinois. 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 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$390Average$486FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$393Average$673FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$407Average$491FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$420Average$726FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Idaho Falls to Indiana flights

Search flights from Idaho Falls to Illinois by cabin class

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

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Idaho Falls to Illinois.

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

Need flexible booking options for your flight to Illinois from Idaho Falls? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Idaho Falls to Illinois 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.

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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.
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