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Idaho Falls

$134+ Cheap flights from O'Hare Intl (ORD) to Idaho Falls (IDA)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IDA
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 July 18, 2025.

Round-trip from

$267
(Alaska Airlines)

One-way from

$134
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$544

Good round-trip deal

$391 or less
From Chicago O'Hare Intl to Idaho Falls Fanning Field
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One-way flight from Chicago O'Hare Intl to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 25% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Idaho Falls Fanning Field.
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Find flight deals from O'Hare Intl to Idaho Falls

Cheapest flights from O'Hare Intl to Idaho Falls
Explore the most affordable flight options available from O'Hare Intl to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/43:15 pmORD - IDA
1 stop8h 23mAlaska Airlines
Sat 10/114:15 pmIDA - ORD
1 stop13h 09mAlaska Airlines
Deal found 7/16$267
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:55 amORD - IDA
1 stop5h 31mDelta
Fri 9/196:51 pmIDA - ORD
2 stops12h 49mDelta
Deal found 7/17$272
This Mytrip deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:08 amORD - IDA
3 stops12h 25mMultiple Airlines
Fri 8/156:20 pmIDA - ORD
1 stop16h 23mMultiple Airlines
Deal found 7/15$352
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:50 amORD - IDA
Nonstop3h 34mAmerican Airlines
Fri 9/1912:54 pmIDA - ORD
Nonstop3h 14mAmerican Airlines
Deal found 7/17$371
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:10 amORD - IDA
1 stop7h 22mUnited Airlines
Tue 8/194:00 pmIDA - ORD
1 stop5h 42mUnited Airlines
Deal found 7/15$379

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 2,558,603 searches. Data last updated July 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Idaho Falls that are best for you.

Fly from

O'Hare Intl

Fly to

Idaho Falls

Route

Depart

Return

Price

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 10/4

3:15 pm-10:38 pm

1 stop8h 23m

Idaho Falls Fanning Field

Sat 10/11

4:15 pm-6:24 am

1 stop13h 09m

$267

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 9/16

7:55 am-12:26 pm

1 stop5h 31m

Idaho Falls Fanning Field

Fri 9/19

6:51 pm-8:40 am

2 stops12h 49m

$272

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Mon 8/11

7:08 am-6:33 pm

3 stops12h 25m

Idaho Falls Fanning Field

Fri 8/15

6:20 pm-11:43 am

1 stop16h 23m

$352

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 9/16

9:50 am-12:24 pm

Nonstop3h 34m

Idaho Falls Fanning Field

Fri 9/19

12:54 pm-5:08 pm

Nonstop3h 14m

$371

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 8/13

7:10 am-1:32 pm

1 stop7h 22m

Idaho Falls Fanning Field

Tue 8/19

4:00 pm-10:42 pm

1 stop5h 42m

$379

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 9/16

7:55 am-12:26 pm

1 stop5h 31m

$134

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sun 8/17

5:40 am-5:06 pm

1 stop12h 26m

$151

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 10/14

8:00 am-3:38 pm

1 stop8h 38m

$179

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 8/13

7:10 am-1:32 pm

1 stop7h 22m

$190

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Mon 9/15

6:40 pm-12:59 pm

2 stops19h 19m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Best time to book a flight from O'Hare Intl to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Idaho Falls

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Idaho Falls (average of $380). Flying from Chicago O'Hare Intl Airport to Idaho Falls in December is currently the most expensive (average of $578). 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.

What is the cheapest time of day to fly from ORD to IDA?

Find hourly flight availability from O'Hare Intl to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from Chicago O'Hare Intl Airport to Idaho Falls by exploring options for tickets in the morning.

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 July 18, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Chicago O'Hare Intl Airport to Idaho Falls 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
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,581 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,864 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Idaho Falls. 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 into for flights to Idaho Falls from Chicago O'Hare Intl?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Chicago O'Hare Intl. On average, Fanning Field has 0 inbound flights from Chicago O'Hare Intl per day from 3 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Idaho Falls round-trip?

    Cheapflights users have booked flights from Chicago O'Hare Intl Airport to Idaho Falls round-trip from $267. Other airlines that can offer you cheap pricing are Delta, from $272, and Hawaiian Airlines, from $305. Alaska Airlines is 57% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Idaho Falls one-way?

    One-way options have recently been found by users for as low as $134 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $144 and United Airlines from $201 one-way.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Idaho Falls?

    Looking at all options, your cheapest flight can be booked for $355. While the most popular route (Chicago O'Hare Intl - Idaho Falls Fanning Field) can be booked for $272 on average our data indicates $391 when flying from Chicago O'Hare Intl Airport to Idaho Falls.

  • Can I find deals for flights from O'Hare Intl to Idaho Falls that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Idaho Falls?

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

  • Can I find deals for business class flights from O'Hare Intl to Idaho Falls?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Idaho Falls (average of $380). Flying from Chicago O'Hare Intl Airport to Idaho Falls in December is currently the most expensive (average of $578). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
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Top 3 airlines flying from O'Hare Intl to Idaho Falls

Discover the top 3 airlines that operate flights from O'Hare Intl 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 2,558,603 searches. Data last updated July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$391FlexibilityNo cancel feeOn-time71%
DeltaCheapest$342Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$363Average$603FlexibilityNo cancel feeOn-time69%

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