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Cheap flights from Idaho Falls (IDA) to Illinois from $109

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 7/5. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 $548. You can even find prices in December for less than $548, 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 32%.

What is the cheapest time of day to fly from IDA to 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 2,810,401 searches. Data last updated June 2, 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.
Mon 8/194:02 pmIDA - ORD
1 stop11h 38mAlaska Airlines
Fri 8/236:00 amORD - IDA
1 stop18h 54mAlaska Airlines
Deal found 5/31$384
Mon 8/194:02 pmIDA - ORD
2 stops12h 13mAlaska Airlines
Fri 8/235:59 pmORD - IDA
1 stop6h 55mAlaska Airlines
Deal found 5/31$389
Mon 8/194:02 pmIDA - ORD
2 stops12h 13mAlaska Airlines
Fri 8/237:00 amORD - IDA
2 stops17h 54mAlaska Airlines
Deal found 5/31$394
Thu 6/204:02 pmIDA - STL
1 stop6h 57mAlaska Airlines
Mon 6/247:32 pmSTL - IDA
1 stop20h 50mAlaska Airlines
Deal found 5/31$640
Tue 6/254:02 pmIDA - ORD
2 stops12h 13mAlaska Airlines
Tue 7/28:00 amORD - IDA
2 stops16h 57mAlaska Airlines
Deal found 5/31$662

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 2,810,401 searches. Data last updated June 2, 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.
Tue 6/257:10 amIDA - ORD
1 stop14h 45mUnited Airlines
Tue 7/25:16 amORD - IDA
1 stop16h 52mUnited Airlines
Deal found 5/31$476
Thu 7/185:59 pmIDA - ORD
1 stop5h 00mUnited Airlines
Tue 7/235:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 6/1$483
Tue 6/255:56 pmIDA - ORD
2 stops14h 47mUnited Airlines
Tue 7/25:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 5/31$505
Sun 6/305:58 pmIDA - ORD
1 stop14h 47mUnited Airlines
Sun 7/75:12 amORD - IDA
1 stop13h 06mUnited Airlines
Deal found 5/31$535
Sun 6/305:58 pmIDA - ORD
2 stops14h 45mUnited Airlines
Sun 7/75:12 amORD - IDA
1 stop13h 06mUnited Airlines
Deal found 5/31$565
Thu 7/185:59 pmIDA - ORD
2 stops14h 30mUnited Airlines
Tue 7/235:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 5/31$567
Wed 8/75:59 pmIDA - STL
1 stop27h 12mUnited Airlines
Fri 8/95:30 pmSTL - IDA
2 stops24h 48mUnited Airlines
Deal found 5/31$570
Wed 8/75:59 pmIDA - STL
1 stop27h 12mUnited Airlines
Fri 8/94:36 pmSTL - IDA
1 stop25h 42mUnited Airlines
Deal found 5/31$575
Wed 8/77:05 amIDA - STL
1 stop14h 06mUnited Airlines
Fri 8/95:30 pmSTL - IDA
2 stops24h 48mUnited Airlines
Deal found 6/1$584

Cheap Idaho Falls to Illinois flights in June & July 2024

Find cheap flight options from Idaho Falls to Illinois specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
Scroll through some of the best deals on flights from Idaho Falls to Illinois in 2024. Check back soon for alternative fares.
Tue 6/257:10 amIDA - ORD
1 stop14h 45mUnited Airlines
Tue 7/25:16 amORD - IDA
1 stop16h 52mUnited Airlines
Deal found 5/31$476
Tue 6/255:56 pmIDA - ORD
2 stops14h 47mUnited Airlines
Tue 7/25:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 5/31$505
Sun 6/305:58 pmIDA - ORD
1 stop14h 47mUnited Airlines
Sun 7/75:12 amORD - IDA
1 stop13h 06mUnited Airlines
Deal found 5/31$535
Wed 6/266:32 amIDA - STL
1 stop25h 22mAmerican Airlines
Sat 6/295:27 amSTL - IDA
1 stop17h 16mAmerican Airlines
Deal found 5/31$555
Sun 6/305:58 pmIDA - ORD
2 stops14h 45mUnited Airlines
Sun 7/75:12 amORD - IDA
1 stop13h 06mUnited Airlines
Deal found 5/31$565
Wed 6/266:32 amIDA - STL
1 stop25h 22mAmerican Airlines
Sat 6/296:00 amSTL - IDA
2 stops16h 43mAmerican Airlines
Deal found 5/31$611
Thu 6/204:02 pmIDA - STL
1 stop6h 57mAlaska Airlines
Mon 6/247:32 pmSTL - IDA
1 stop20h 50mAlaska Airlines
Deal found 5/31$640
Tue 6/254:02 pmIDA - ORD
2 stops12h 13mAlaska Airlines
Tue 7/28:00 amORD - IDA
2 stops16h 57mAlaska Airlines
Deal found 5/31$662
Fri 6/145:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
Mon 6/171:55 pmORD - IDA
2 stops20h 45mUnited Airlines
Deal found 6/1$683

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 2,810,401 searches. Data last updated June 2, 2024.
Scroll through some of the best deals on flights from Idaho Falls to Illinois in 2024. Check back soon for alternative fares.
Mon 8/194:02 pmIDA - ORD
1 stop11h 38mAlaska Airlines
Fri 8/236:00 amORD - IDA
1 stop18h 54mAlaska Airlines
Deal found 5/31$384
Mon 8/194:02 pmIDA - ORD
2 stops12h 13mAlaska Airlines
Fri 8/235:59 pmORD - IDA
1 stop6h 55mAlaska Airlines
Deal found 5/31$389
Mon 8/194:02 pmIDA - ORD
2 stops12h 13mAlaska Airlines
Fri 8/237:00 amORD - IDA
2 stops17h 54mAlaska Airlines
Deal found 5/31$394
Tue 7/26:00 amIDA - ORD
1 stop21h 40mAlaska Airlines
Wed 7/109:22 pmORD - IDA
1 stop27h 35mAlaska Airlines
Deal found 5/31$468
Tue 6/257:10 amIDA - ORD
1 stop14h 45mUnited Airlines
Tue 7/25:16 amORD - IDA
1 stop16h 52mUnited Airlines
Deal found 5/31$476
Thu 7/185:59 pmIDA - ORD
1 stop5h 00mUnited Airlines
Tue 7/235:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 6/1$483
Tue 6/255:56 pmIDA - ORD
2 stops14h 47mUnited Airlines
Tue 7/25:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 5/31$505
Sun 6/305:58 pmIDA - ORD
1 stop14h 47mUnited Airlines
Sun 7/75:12 amORD - IDA
1 stop13h 06mUnited Airlines
Deal found 5/31$535
Wed 6/266:32 amIDA - STL
1 stop25h 22mAmerican Airlines
Sat 6/295:27 amSTL - IDA
1 stop17h 16mAmerican Airlines
Deal found 5/31$555

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 2,810,401 searches. Data last updated June 2, 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.
Fri 7/57:15 pmIDA - ORD
1 stop9h 45mMultiple Airlines
Deal found 5/30$109
Fri 6/217:17 pmIDA - ORD
1 stop9h 43mMultiple Airlines
Deal found 5/30$123
Fri 7/57:15 pmIDA - ORD
2 stops15h 18mMultiple Airlines
Deal found 5/30$161
Fri 6/2110:05 pmIDA - ORD
2 stops19h 27mMultiple Airlines
Deal found 5/30$227
Fri 7/510:03 pmIDA - ORD
3 stops26h 14mMultiple Airlines
Deal found 5/30$234
Fri 6/2110:05 pmIDA - ORD
3 stops26h 12mMultiple Airlines
Deal found 5/30$236
Tue 6/2510:45 amIDA - ORD
1 stop11h 10mUnited Airlines
Deal found 5/31$244
Wed 7/316:59 pmIDA - ORD
2 stops13h 12mDelta
Deal found 5/30$264
Tue 6/257:10 amIDA - ORD
2 stops16h 03mUnited Airlines
Deal found 6/1$308

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$384 - $555

Route

Depart

Return

Price

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 8/19

1 stop11h 38m

Chicago O'Hare Intl

Fri 8/23

1 stop18h 54m

$384

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 8/19

2 stops12h 13m

Chicago O'Hare Intl

Fri 8/23

1 stop6h 55m

$389

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 8/19

2 stops12h 13m

Chicago O'Hare Intl

Fri 8/23

2 stops17h 54m

$394

Idaho Falls Fanning FieldChicago Midway

IDA - MDW

IDAMDW

Idaho Falls Fanning Field

Mon 8/19

2 stops12h 39m

Chicago Midway

Fri 8/23

2 stops8h 46m

$463

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 7/2

1 stop5h 33m

Chicago O'Hare Intl

Wed 7/10

2 stops9h 39m

$468

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 6/25

1 stop14h 45m

Chicago O'Hare Intl

Tue 7/2

1 stop16h 52m

$476

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 7/18

1 stop5h 00m

Chicago O'Hare Intl

Tue 7/23

1 stop13h 02m

$483

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 6/25

2 stops14h 47m

Chicago O'Hare Intl

Tue 7/2

1 stop13h 02m

$505

Idaho Falls Fanning FieldLambert-St Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Wed 6/26

1 stop25h 22m

Lambert-St Louis

Sat 6/29

1 stop17h 16m

$555

Flights are sorted by cheapest first

Deals found on 5/31

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

Best time to book a flight from Idaho Falls to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 June 2, 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
9,198 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,754 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,268 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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 Alaska Airlines for just $384, but on average you can expect to pay $525.

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

    $244 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $264 and $347, 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 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 6/1.

  • 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 is the cheapest month to book a flight from Idaho Falls to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Illinois (average of $244). Flying from Idaho Falls to Illinois in June is currently the most expensive (average of $326). 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.

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 2,810,401 searches. Data last updated June 2, 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$736FlexibilityNo 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Idaho Falls today with Cheapflights!

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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