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Cheap flights from Idaho Falls (IDA) to Illinois from $158

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 7/8. 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 16 — Jun 231
From?
To?
Sun 6/16
Sun 6/23
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 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 3,080,152 searches. Prices were last updated on June 11, 2024.
Scroll through some of the best deals on flights from Idaho Falls to Illinois in 2024. Check back soon for alternative fares.
Mon 7/810:03 pmIDA - ORD
2 stops18h 56mMultiple Airlines
Mon 7/2210:14 amORD - IDA
2 stops11h 59mMultiple Airlines
Deal found 6/10$444
Mon 7/810:03 pmIDA - ORD
1 stop15h 25mMultiple Airlines
Mon 7/2210:14 amORD - IDA
2 stops11h 59mMultiple Airlines
Deal found 6/10$448
Thu 7/114:02 pmIDA - ORD
1 stop6h 37mAlaska Airlines
Mon 7/156:00 amORD - IDA
1 stop18h 57mAlaska Airlines
Deal found 6/10$471
Mon 7/810:03 pmIDA - ORD
2 stops18h 56mMultiple Airlines
Mon 7/227:01 amORD - IDA
3 stops15h 12mMultiple Airlines
Deal found 6/10$472
Thu 7/186:59 pmIDA - ORD
2 stops11h 31mDelta
Tue 7/239:39 amORD - IDA
2 stops9h 37mDelta
Deal found 6/11$473
Thu 7/185:59 pmIDA - ORD
1 stop5h 00mUnited Airlines
Tue 7/235:16 amORD - IDA
1 stop13h 02mUnited Airlines
Deal found 6/10$502
Mon 7/810:03 pmIDA - ORD
3 stops22h 49mMultiple Airlines
Mon 7/227:01 amORD - IDA
3 stops15h 12mMultiple Airlines
Deal found 6/10$524
Thu 7/185:59 pmIDA - ORD
1 stop5h 00mUnited Airlines
Tue 7/231:00 pmORD - IDA
1 stop5h 18mUnited Airlines
Deal found 6/11$576
Thu 7/116:59 pmIDA - ORD
2 stops13h 12mDelta
Mon 7/157:35 amORD - IDA
1 stop5h 51mDelta
Deal found 6/10$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 3,080,152 searches. Data last updated June 11, 2024.
Scroll through some of the best deals on flights from Idaho Falls to Illinois in 2024. Check back soon for alternative fares.
Thu 9/124:20 pmIDA - ORD
2 stops12h 10mAlaska Airlines
Sun 9/159:10 pmORD - IDA
1 stop27h 46mAlaska Airlines
Deal found 6/11$312
Thu 9/126:06 amIDA - ORD
1 stop16h 36mAlaska Airlines
Sun 9/159:10 pmORD - IDA
1 stop27h 46mAlaska Airlines
Deal found 6/11$342
Fri 10/186:10 amIDA - ORD
1 stop16h 49mAlaska Airlines
Sun 10/208:40 amORD - IDA
1 stop7h 31mAlaska Airlines
Deal found 6/10$401
Fri 10/186:10 amIDA - ORD
2 stops22h 20mAlaska Airlines
Sun 10/208:40 amORD - IDA
1 stop7h 31mAlaska Airlines
Deal found 6/10$406
Tue 8/206:06 amIDA - STL
1 stop16h 53mAlaska Airlines
Tue 8/272:34 pmSTL - IDA
1 stop10h 22mAlaska Airlines
Deal found 6/11$422
Thu 10/176:10 amIDA - ORD
1 stop21h 20mAlaska Airlines
Sun 10/206:00 amORD - IDA
1 stop18h 57mAlaska Airlines
Deal found 6/10$424
Thu 10/176:10 amIDA - ORD
2 stops33h 37mAlaska Airlines
Sun 10/206:00 amORD - IDA
1 stop18h 57mAlaska Airlines
Deal found 6/10$429
Thu 10/176:10 amIDA - ORD
2 stops33h 37mAlaska Airlines
Sun 10/207:00 amORD - IDA
2 stops17h 57mAlaska Airlines
Deal found 6/10$434
Mon 7/810:03 pmIDA - ORD
2 stops18h 56mMultiple Airlines
Mon 7/2210:14 amORD - IDA
2 stops11h 59mMultiple Airlines
Deal found 6/10$444

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 3,080,152 searches. Data last updated June 11, 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.
Thu 6/207:10 amIDA - MLI
2 stops8h 47mUnited Airlines
Sat 6/2911:01 amMLI - IDA
2 stops23h 34mUnited Airlines
Deal found 6/9$666
Wed 6/195:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
Wed 6/265:04 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 6/10$684
Thu 6/206:32 amIDA - MLI
1 stop7h 56mAmerican Airlines
Sat 6/293:58 pmMLI - IDA
1 stop6h 45mAmerican Airlines
Deal found 6/9$694
Thu 6/202:30 pmIDA - MLI
1 stop5h 23mUnited Airlines
Sat 6/2911:01 amMLI - IDA
2 stops23h 34mUnited Airlines
Deal found 6/9$718
Wed 6/197:00 pmIDA - ORD
2 stops11h 32mDelta
Wed 6/267:45 amORD - IDA
1 stop5h 37mDelta
Deal found 6/10$726
Fri 6/216:32 amIDA - MLI
1 stop7h 56mAmerican Airlines
Sun 6/306:30 amMLI - IDA
1 stop7h 43mAmerican Airlines
Deal found 6/9$741
Wed 6/192:30 pmIDA - ORD
1 stop7h 25mUnited Airlines
Sun 6/235:04 amORD - IDA
1 stop5h 36mUnited Airlines
Deal found 6/11$779
Wed 6/192:30 pmIDA - ORD
1 stop7h 25mUnited Airlines
Sun 6/231:55 pmORD - IDA
2 stops20h 45mUnited Airlines
Deal found 6/11$843
Fri 6/216:32 amIDA - MLI
1 stop7h 56mAmerican Airlines
Sun 6/304:45 pmMLI - IDA
2 stops29h 58mAmerican Airlines
Deal found 6/9$874

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 3,080,152 searches. Data last updated June 11, 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.
Mon 7/810:03 pmIDA - ORD
1 stop7h 33mMultiple Airlines
Deal found 6/10$158
Mon 7/810:03 pmIDA - ORD
2 stops18h 56mMultiple Airlines
Deal found 6/10$159
Sat 8/1010:14 amIDA - ORD
2 stops19h 14mMultiple Airlines
Deal found 6/9$190
Mon 7/810:03 pmIDA - ORD
3 stops22h 49mMultiple Airlines
Deal found 6/10$200
Thu 7/114:02 pmIDA - ORD
1 stop6h 37mAlaska Airlines
Deal found 6/9$204
Thu 7/116:59 pmIDA - ORD
2 stops11h 31mDelta
Deal found 6/9$209
Sat 8/106:14 amIDA - ORD
1 stop8h 25mAmerican Airlines
Deal found 6/9$259
Tue 7/96:10 amIDA - STL
1 stop6h 30mDelta
Deal found 6/11$288
Sat 9/2810:55 amIDA - ORD
2 stops12h 17mUnited Airlines
Deal found 6/10$306

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 3,080,152 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$312 - $558

Route

Depart

Return

Price

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 9/12

2 stops12h 10m

Chicago O'Hare Intl

Sun 9/15

1 stop27h 46m

$312

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 9/12

1 stop16h 36m

Chicago O'Hare Intl

Sun 9/15

1 stop27h 46m

$342

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/18

1 stop16h 49m

Chicago O'Hare Intl

Sun 10/20

1 stop7h 31m

$401

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/18

2 stops22h 20m

Chicago O'Hare Intl

Sun 10/20

1 stop7h 31m

$406

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 7/8

2 stops18h 56m

Chicago O'Hare Intl

Mon 7/22

2 stops11h 59m

$444

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 7/8

1 stop15h 25m

Chicago O'Hare Intl

Mon 7/22

2 stops11h 59m

$448

Idaho Falls Fanning FieldChicago O'Hare Intl

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 7/18

2 stops11h 31m

Chicago O'Hare Intl

Tue 7/23

2 stops9h 37m

$473

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

$502

Idaho Falls Fanning FieldLambert-St Louis

IDA - STL

IDASTL

Idaho Falls Fanning Field

Wed 8/7

1 stop11h 25m

Lambert-St Louis

Fri 8/9

1 stop6h 13m

$558

Flights are sorted by cheapest first

Deals found on 6/11

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 11, 2024.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines 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
9,267 reviews

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Alaska Airlines
8.1
Very good
9,267 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Delta
8.0
Very good
10,277 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

United Airlines
7.4
Good
10,629 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

American Airlines
7.3
Good
14,129 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

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 $312, but on average you can expect to pay $475.

  • Are there last-minute flights available from Idaho Falls to Illinois for under $700?

    There are currently 13+ open flights from Idaho Falls to Illinois within the next 7 days for less than $700.

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

    $204 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 Delta and American Airlines, with prices starting from $209 and $259, 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 6/11.

  • 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 July is currently the most expensive (average of $324). 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.

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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 3,080,152 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$390Average$486FlexibilityNo cancel feeOn-time75%
DeltaCheapest$393Average$673FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$407Average$491FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$418Average$726FlexibilityNo cancel feeOn-time69%
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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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