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

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

What airlines fly to Idaho Falls?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport are updated daily.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$135 Cheap Flights from Chicago O'Hare Intl Airport to Idaho Falls in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Idaho Falls

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:29 pm - 4:43 pm

ORD

IDA

24h 14m

1 stop

5:20 pm - 2:11 pm

IDA

ORD

19h 51m

1 stop

$269Alaska Airlines

Wed, Mar 11 - Mon, Mar 16

7:40 am - 11:36 pm

ORD

IDA

16h 56m

2 stops

5:20 pm - 2:11 pm

IDA

ORD

19h 51m

1 stop

$311Alaska Airlines

Wed, Mar 11 - Mon, Mar 16

7:10 am - 1:30 pm

ORD

IDA

7h 20m

1 stop

5:33 pm - 11:59 pm

IDA

ORD

5h 26m

1 stop

$329United Airlines

Tue, Feb 17 - Sat, Feb 21

3:54 pm - 11:36 pm

ORD

IDA

8h 42m

1 stop

5:59 pm - 6:39 am

IDA

ORD

11h 40m

1 stop

$334Alaska Airlines

Tue, Mar 17 - Sun, Mar 22

6:05 am - 1:13 pm

ORD

IDA

8h 08m

1 stop

1:43 pm - 10:34 pm

IDA

ORD

7h 51m

1 stop

$345American Airlines

Fri, Apr 17 - Wed, Apr 22

3:07 pm - 4:43 pm

ORD

IDA

26h 36m

2 stops

5:20 pm - 2:58 pm

IDA

ORD

20h 38m

2 stops

$375Alaska Airlines

Wed, Mar 11 - Mon, Mar 16

7:00 am - 1:30 pm

ORD

IDA

7h 30m

1 stop

10:45 am - 7:50 pm

IDA

ORD

8h 05m

1 stop

$384United Airlines

Wed, Feb 11 - Sat, Feb 14

7:40 am - 11:36 pm

ORD

IDA

16h 56m

2 stops

5:59 pm - 6:39 am

IDA

ORD

11h 40m

1 stop

$396Alaska Airlines

Tue, Mar 17 - Sun, Mar 22

2:09 pm - 6:17 pm

ORD

IDA

5h 08m

1 stop

5:47 am - 11:51 am

IDA

ORD

5h 04m

1 stop

$424Delta

Fri, Apr 24 - Sun, Apr 26

3:07 pm - 4:43 pm

ORD

IDA

26h 36m

2 stops

8:00 am - 11:59 pm

IDA

ORD

14h 59m

2 stops

$433Alaska Airlines

Mon, Mar 2 - Thu, Mar 12

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

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

Alaska Airlines

Mar 11

ORD5:29 pmChicago O'Hare Intl

24h 14m

1 stop

IDA4:43 pmIdaho Falls Fanning Field

Mar 16

IDA5:20 pmIdaho Falls Fanning Field

19h 51m

1 stop

ORD2:11 pmChicago O'Hare Intl

$269

Alaska Airlines

Mar 11

ORD7:40 amChicago O'Hare Intl

16h 56m

2 stops

IDA11:36 pmIdaho Falls Fanning Field

Mar 16

IDA5:20 pmIdaho Falls Fanning Field

19h 51m

1 stop

ORD2:11 pmChicago O'Hare Intl

$311

Alaska Airlines

Mar 17

ORD3:54 pmChicago O'Hare Intl

8h 42m

1 stop

IDA11:36 pmIdaho Falls Fanning Field

Mar 22

IDA5:59 pmIdaho Falls Fanning Field

11h 40m

1 stop

ORD6:39 amChicago O'Hare Intl

$334

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

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

United Airlines

Jun 20

ORD5:00 amChicago O'Hare Intl

5h 55m

1 stop

IDA9:55 amIdaho Falls Fanning Field

Jun 27

IDA6:03 pmIdaho Falls Fanning Field

5h 41m

1 stop

ORD12:44 amChicago O'Hare Intl

$285

United Airlines

Feb 17

ORD7:10 amChicago O'Hare Intl

7h 20m

1 stop

IDA1:30 pmIdaho Falls Fanning Field

Feb 21

IDA5:33 pmIdaho Falls Fanning Field

5h 26m

1 stop

ORD11:59 pmChicago O'Hare Intl

$329

United Airlines

May 21

ORD5:00 amChicago O'Hare Intl

5h 55m

1 stop

IDA9:55 amIdaho Falls Fanning Field

May 30

IDA2:31 pmIdaho Falls Fanning Field

7h 13m

1 stop

ORD10:44 pmChicago O'Hare Intl

$384

momondo Fare Finder

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

Fly to

Route

Depart

Return

Price

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 3/11

5:29 pm-4:43 pm

1 stop24h 14m

Idaho Falls Fanning Field

Mon 3/16

5:20 pm-2:11 pm

1 stop19h 51m

$269

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 3/11

7:40 am-11:36 pm

2 stops16h 56m

Idaho Falls Fanning Field

Mon 3/16

5:20 pm-2:11 pm

1 stop19h 51m

$311

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 2/17

7:10 am-1:30 pm

1 stop7h 20m

Idaho Falls Fanning Field

Sat 2/21

5:33 pm-11:59 pm

1 stop5h 26m

$329

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 3/17

3:54 pm-11:36 pm

1 stop8h 42m

Idaho Falls Fanning Field

Sun 3/22

5:59 pm-6:39 am

1 stop11h 40m

$334

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Fri 4/17

6:05 am-1:13 pm

1 stop8h 08m

Idaho Falls Fanning Field

Wed 4/22

1:43 pm-10:34 pm

1 stop7h 51m

$345

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 3/11

3:07 pm-4:43 pm

2 stops26h 36m

Idaho Falls Fanning Field

Mon 3/16

5:20 pm-2:58 pm

2 stops20h 38m

$375

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 2/11

7:00 am-1:30 pm

1 stop7h 30m

Idaho Falls Fanning Field

Sat 2/14

10:45 am-7:50 pm

1 stop8h 05m

$384

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 3/17

7:40 am-11:36 pm

2 stops16h 56m

Idaho Falls Fanning Field

Sun 3/22

5:59 pm-6:39 am

1 stop11h 40m

$396

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Fri 4/24

2:09 pm-6:17 pm

1 stop5h 08m

Idaho Falls Fanning Field

Sun 4/26

5:47 am-11:51 am

1 stop5h 04m

$424

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Mon 3/2

3:07 pm-4:43 pm

2 stops26h 36m

Idaho Falls Fanning Field

Thu 3/12

8:00 am-11:59 pm

2 stops14h 59m

$433

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 Chicago O'Hare Intl Airport to Idaho Falls

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 cheapest day to depart on your flight to Idaho Falls?

Our data shows that Friday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $323. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $396.

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

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

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

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Idaho Falls Fanning Field 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 Chicago O'Hare Intl Airport to Idaho Falls flights?

You could potentially save up to 39% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Idaho Falls flight.

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

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

Estimated round-trip price

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

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

Fastest flight time	3h 15m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Idaho Falls	1 airport

The fastest flight from Chicago O'Hare Intl Airport to Idaho Falls takes 3h 15m

Direct flights go from Chicago O'Hare Intl Airport to Idaho Falls on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Idaho Falls. From Chicago O'Hare Intl Airport there are direct flights to Idaho Falls Fanning Field (IDA).

Search flight deals

How far is Chicago O'Hare Intl to Idaho Falls Fanning Field by plane?
There are 1223.9 mi between Chicago O'Hare Intl and Idaho Falls Fanning Field. 3h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport is 1 as of February 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Idaho Falls Fanning Field 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 Chicago O'Hare Intl Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Idaho Falls?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Idaho Falls, the leading plane model is Canadair (Bombardier) Regional Jet 700, making up 50.00% of the total bookings. Other popular models include Airbus A319 with 33.33% and Boeing 737-700 with 16.67%.
What is the most popular airline from Chicago O'Hare Intl Airport to Idaho Falls?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Idaho Falls is American Airlines, representing 100% of all bookings.

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

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $323	Free Cancellation	Rating 7.2 11,211 reviews		Search American Airlines flights

Rexburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Chicago.

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

Flights from Chicago to Idaho Falls 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 Chicago to Idaho Falls?

Once you have performed a search for Chicago to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Idaho Falls from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Idaho Falls trip

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Cheap flights from Chicago O'Hare Intl Airport to Idaho Falls from $135

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Filter for what you want

Filter for what you want

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Find the cheapest flights from Chicago O'Hare Intl Airport to Idaho Falls

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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

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

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

momondo Fare Finder

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

See travel insights to Idaho Falls from

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

What is the cheapest day to depart on your flight to Idaho Falls?

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

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

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

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Idaho Falls Fanning Field 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 Chicago O'Hare Intl Airport to Idaho Falls flights?

You could potentially save up to 39% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Idaho Falls flight.

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

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

What airlines fly to Idaho Falls?

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

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

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

Fastest flight time

Direct flights

Airports in Idaho Falls

How far is Chicago O'Hare Intl to Idaho Falls Fanning Field by plane?

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

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

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

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

What is the most popular plane model from Chicago O'Hare Intl Airport to Idaho Falls?

What is the most popular airline from Chicago O'Hare Intl Airport to Idaho Falls?

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

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

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Idaho Falls 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.

Get notified when prices go down

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

Find better results for your trip to the United States

Airports servicing Idaho