What is the cheapest airline that flies from Idaho Falls Fanning Field to Chicago O'Hare Intl?

Alaska Airlines is the most popular carrier operating from Idaho Falls Fanning Field to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Idaho Falls according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport?

Prices for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport?

The number of operators available for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport is 3 as of April 2026.

How old do you have to be to fly from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$119 Cheap Flights from Idaho Falls to Chicago O'Hare Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Idaho Falls and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $704 to $498. The lowest price recently found on this route was $290.

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Find the cheapest flights from Idaho Falls to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:43 pm - 6:00 pm

IDA

ORD

3h 17mnonstop

9:40 am - 12:20 pm

ORD

IDA

3h 40mnonstop

$290American Airlines

Tue, Oct 6 - Thu, Oct 15

3:25 pm - 9:48 pm

IDA

ORD

5h 23m

1 stop

7:45 am - 2:41 pm

ORD

IDA

7h 56m

1 stop

$291Delta

Wed, Jul 22 - Sat, Jul 25

12:46 pm - 5:11 pm

IDA

ORD

3h 25mnonstop

9:40 am - 12:12 pm

ORD

IDA

3h 32mnonstop

$309American Airlines

Wed, Aug 26 - Wed, Sep 9

4:14 pm - 11:41 pm

IDA

ORD

6h 27m

1 stop

7:00 am - 1:08 pm

ORD

IDA

7h 08m

1 stop

$310Alaska Airlines

Sat, Sep 26 - Fri, Oct 2

12:46 pm - 5:11 pm

IDA

ORD

3h 25mnonstop

6:00 am - 1:42 pm

ORD

IDA

8h 42m

1 stop

$319American Airlines

Thu, Aug 13 - Tue, Aug 18

12:29 pm - 4:59 pm

IDA

ORD

3h 30mnonstop

10:48 am - 1:24 pm

ORD

IDA

3h 36mnonstop

$321American Airlines

Wed, Jul 29 - Tue, Aug 4

4:14 pm - 11:41 pm

IDA

ORD

6h 27m

1 stop

7:00 am - 1:08 pm

ORD

IDA

7h 08m

1 stop

$329Alaska Airlines

Mon, Sep 21 - Wed, Sep 23

5:33 pm - 5:44 am

IDA

ORD

11h 11m

1 stop

9:59 pm - 10:47 am

ORD

IDA

13h 48m

1 stop

$332Multiple Airlines

Fri, Aug 21 - Sun, Aug 23

4:10 pm - 12:44 am

IDA

ORD

7h 34m

1 stop

5:00 am - 9:50 am

ORD

IDA

5h 50m

1 stop

$337United Airlines

Wed, Jul 29 - Tue, Aug 4

3:25 pm - 9:57 pm

IDA

ORD

5h 32m

1 stop

5:00 pm - 10:31 pm

ORD

IDA

6h 31m

1 stop

$340Delta

Tue, Jun 30 - Sat, Jul 4

American Airlines flights from Idaho Falls to Chicago O'Hare Intl Airport

Our best American Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets

American Airlines

Oct 6

IDA1:43 pmIdaho Falls Fanning Field

3h 17m

ORD6:00 pmChicago O'Hare Intl

Oct 15

ORD9:40 amChicago O'Hare Intl

3h 40m

IDA12:20 pmIdaho Falls Fanning Field

$290

American Airlines

Aug 26

IDA12:46 pmIdaho Falls Fanning Field

3h 25m

ORD5:11 pmChicago O'Hare Intl

Sep 9

ORD9:40 amChicago O'Hare Intl

3h 32m

IDA12:12 pmIdaho Falls Fanning Field

$309

American Airlines

Aug 13

IDA12:46 pmIdaho Falls Fanning Field

3h 25m

ORD5:11 pmChicago O'Hare Intl

Aug 18

ORD6:00 amChicago O'Hare Intl

8h 42m

1 stop

IDA1:42 pmIdaho Falls Fanning Field

$319

United Airlines flights from Idaho Falls to Chicago O'Hare Intl Airport

Our best United Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets

United Airlines

Jul 29

IDA4:10 pmIdaho Falls Fanning Field

7h 34m

1 stop

ORD12:44 amChicago O'Hare Intl

Aug 4

ORD5:00 amChicago O'Hare Intl

5h 50m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$337

United Airlines

Jun 20

IDA5:54 pmIdaho Falls Fanning Field

5h 50m

1 stop

ORD12:44 amChicago O'Hare Intl

Jun 27

ORD5:00 amChicago O'Hare Intl

5h 50m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$346

United Airlines

Jun 3

IDA4:10 pmIdaho Falls Fanning Field

5h 39m

1 stop

ORD10:49 pmChicago O'Hare Intl

Jun 10

ORD5:00 amChicago O'Hare Intl

5h 50m

1 stop

IDA9:50 amIdaho Falls Fanning Field

$348

momondo Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 10/6

1:43 pm-6:00 pm

Nonstop3h 17m

Chicago O'Hare Intl

Thu 10/15

9:40 am-12:20 pm

Nonstop3h 40m

$290

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/22

3:25 pm-9:48 pm

1 stop5h 23m

Chicago O'Hare Intl

Sat 7/25

7:45 am-2:41 pm

1 stop7h 56m

$291

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 8/26

12:46 pm-5:11 pm

Nonstop3h 25m

Chicago O'Hare Intl

Wed 9/9

9:40 am-12:12 pm

Nonstop3h 32m

$309

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 9/26

4:14 pm-11:41 pm

1 stop6h 27m

Chicago O'Hare Intl

Fri 10/2

7:00 am-1:08 pm

1 stop7h 08m

$310

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 8/13

12:46 pm-5:11 pm

Nonstop3h 25m

Chicago O'Hare Intl

Tue 8/18

6:00 am-1:42 pm

1 stop8h 42m

$319

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/29

12:29 pm-4:59 pm

Nonstop3h 30m

Chicago O'Hare Intl

Tue 8/4

10:48 am-1:24 pm

Nonstop3h 36m

$321

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 9/21

4:14 pm-11:41 pm

1 stop6h 27m

Chicago O'Hare Intl

Wed 9/23

7:00 am-1:08 pm

1 stop7h 08m

$329

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 8/21

5:33 pm-5:44 am

1 stop11h 11m

Chicago O'Hare Intl

Sun 8/23

9:59 pm-10:47 am

1 stop13h 48m

$332

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/29

4:10 pm-12:44 am

1 stop7h 34m

Chicago O'Hare Intl

Tue 8/4

5:00 am-9:50 am

1 stop5h 50m

$337

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 6/30

3:25 pm-9:57 pm

1 stop5h 32m

Chicago O'Hare Intl

Sat 7/4

5:00 pm-10:31 pm

1 stop6h 31m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho Falls to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Idaho Falls and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho Falls averaging around $354.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Idaho Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $746.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Idaho Falls at noon is the least expensive time of day to depart. momondo users have found prices as low as $449 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $458. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Idaho Falls Fanning Field to Chicago O'Hare Intl flight route?

Fly from Idaho Falls Fanning Field to Chicago O'Hare Intl for the best Idaho Falls Fanning Field - Chicago O'Hare Intl flight prices

What cabin class options are available on Idaho Falls Fanning Field to Chicago O'Hare Intl flights?

There are 2 cabin classes available to choose from on Idaho Falls Fanning Field to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to Chicago O'Hare Intl Airport.

When to book flights from Idaho Falls to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Idaho Falls to Chicago O'Hare Intl Airport (IDA to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Chicago O'Hare Intl Airport

Best Price Found	$174
Fastest flight time	3h 16m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Idaho Falls in the past 72 hours is $174. The best round-trip flight deal from Idaho Falls to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $506.

The fastest flight from Idaho Falls to Chicago O'Hare Intl Airport takes 3h 16m

Direct flights go from Idaho Falls to Chicago O'Hare Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Idaho Falls to Chicago O'Hare Intl Airport

How far is Idaho Falls Fanning Field to Chicago O'Hare Intl by plane?
The distance between Idaho Falls Fanning Field and Chicago O'Hare Intl is about 1223.9 mi. By plane, this route typically takes 3h 16m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport?
Prices for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport is 3 as of April 2026.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Idaho Falls to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Idaho Falls to Chicago O'Hare Intl Airport is Canadair (Bombardier) Regional Jet 700 (40.00% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (12.00%), Embraer 175 (Enhanced Winglets) (12.00%), and Boeing 737 MAX 9 (12.00%).
What is the most popular airline from Idaho Falls to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Idaho Falls and Chicago O'Hare Intl Airport, the leading airline is American Airlines, making up 62% of the total bookings. Other popular airlines include United Airlines with 24% and Delta with 13%.

Best airlines flying from Idaho Falls to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Idaho Falls to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $144	Free Cancellation	Rating 7.9 8,424 reviews	Search Delta flights
United Airlines	PriceFrom $311	Free Cancellation	Rating 7.4 9,605 reviews	Search United Airlines flights
American Airlines	PriceFrom $323	Free Cancellation	Rating 7.1 11,604 reviews	Search American Airlines flights

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Why should I use momondo to find a flight deal from Idaho Falls to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho Falls to Chicago with flexible booking policies on momondo?

Flights from Idaho Falls to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to Chicago?

Once all potential Idaho Falls to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho Falls to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Idaho Falls and alert you when they change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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Cheap flights from Idaho Falls to Chicago from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Chicago departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Idaho Falls to Chicago O'Hare Intl Airport

Our best American Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets

United Airlines flights from Idaho Falls to Chicago O'Hare Intl Airport

Our best United Airlines deals on Idaho Falls to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from Idaho Falls to Chicago O'Hare Intl Airport

What is the typical price of a round-trip flight between Idaho Falls and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Idaho Falls Fanning Field to Chicago O'Hare Intl flight route?

What cabin class options are available on Idaho Falls Fanning Field to Chicago O'Hare Intl flights?

Can stopping save me money on Idaho Falls to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from Idaho Falls Fanning Field to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

When to book flights from Idaho Falls to Chicago O'Hare Intl Airport

Cheap Idaho Falls to Chicago O'Hare Intl Airport (IDA to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Idaho Falls to Chicago O'Hare Intl Airport

Best airlines flying from Idaho Falls to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Idaho Falls to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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