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

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Idaho

How many flights depart from Chicago O'Hare Intl Airport to Idaho on average per day?

8 flights are operational daily from Chicago O'Hare Intl Airport to Idaho as of May 2026. The most popular departure time for this route is 7:00PM, with 47% of flights per day taking off in the evening.

How many flights depart from Chicago O'Hare Intl Airport to Idaho on average per week?

As of May 2026, 59 flights take off from Chicago O'Hare Intl Airport and land in Idaho each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

What airlines fly to Idaho?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho 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?

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

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

There are 4 operators available for flights from Chicago O'Hare Intl Airport to Idaho as of May 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents you'll need for your trip to Idaho 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$116 Cheap Flights from Chicago O'Hare Intl Airport to Idaho in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:37 pm - 11:38 am

ORD

GEG

16h 01m

1 stop

12:33 pm - 8:32 pm

GEG

ORD

5h 59m

1 stop

$261Frontier

Tue, Jun 2 - Fri, Jun 5

9:40 am - 12:20 pm

ORD

IDA

3h 40mnonstop

1:43 pm - 6:00 pm

IDA

ORD

3h 17mnonstop

$271American Airlines

Tue, Oct 20 - Sat, Oct 24

5:52 pm - 10:36 pm

ORD

GEG

6h 44m

1 stop

12:33 pm - 8:32 pm

GEG

ORD

5h 59m

1 stop

$288Multiple Airlines

Sat, Jun 6 - Mon, Jun 8

5:00 am - 9:50 am

ORD

IDA

5h 50m

1 stop

5:54 pm - 12:44 am

IDA

ORD

5h 50m

1 stop

$291United Airlines

Tue, Aug 4 - Sat, Aug 8

9:00 am - 2:40 pm

ORD

GEG

7h 40m

1 stop

7:16 am - 6:53 pm

GEG

ORD

9h 37m

1 stop

$303Alaska Airlines

Sat, Oct 10 - Tue, Oct 13

7:45 am - 12:25 pm

ORD

WYS

5h 40m

1 stop

1:10 pm - 9:57 pm

WYS

ORD

7h 47m

1 stop

$304Delta

Sat, Jun 6 - Thu, Jun 11

5:00 am - 9:53 am

ORD

IDA

5h 53m

1 stop

5:53 pm - 11:57 pm

IDA

ORD

5h 04m

1 stop

$306United Airlines

Sat, Oct 3 - Tue, Oct 6

9:00 am - 9:45 pm

ORD

GEG

14h 45m

1 stop

1:59 pm - 10:59 pm

GEG

ORD

7h 00m

1 stop

$308Alaska Airlines

Wed, Jun 3 - Sat, Jun 6

7:45 am - 12:28 pm

ORD

WYS

5h 43m

1 stop

1:10 pm - 11:59 pm

WYS

ORD

9h 49m

2 stops

$314Delta

Sat, Jun 13 - Tue, Jun 23

7:20 am - 4:00 pm

ORD

IDA

9h 40m

1 stop

10:47 pm - 12:49 am

IDA

ORD

25h 02m

2 stops

$335Multiple Airlines

Fri, Jul 3 - Mon, Jul 13

Frontier flights from Chicago O'Hare Intl Airport to Idaho

Our best Frontier deals on Chicago O'Hare Intl Airport to Idaho flight tickets

Frontier

May 28

ORD9:37 pmChicago O'Hare Intl

16h 01m

1 stop

GEG11:38 amSpokane

Jun 1

GEG12:33 pmSpokane

5h 59m

1 stop

ORD8:32 pmChicago O'Hare Intl

$301

Frontier

May 28

ORD9:37 pmChicago O'Hare Intl

16h 01m

1 stop

GEG11:38 amSpokane

Jun 1

GEG12:33 pmSpokane

5h 59m

1 stop

ORD8:32 pmChicago O'Hare Intl

$321

Frontier

Jul 14

ORD9:57 pmChicago O'Hare Intl

15h 40m

1 stop

GEG11:37 amSpokane

Jul 20

GEG12:32 pmSpokane

6h 20m

1 stop

ORD8:52 pmChicago O'Hare Intl

$347

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

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

American Airlines

Aug 5

ORD11:30 amChicago O'Hare Intl

3h 49m

GEG1:19 pmSpokane

Aug 12

GEG2:09 pmSpokane

4h 06m

ORD8:15 pmChicago O'Hare Intl

$311

American Airlines

Aug 11

ORD12:59 pmChicago O'Hare Intl

3h 13m

JAC3:12 pmJackson Hole

Aug 18

JAC3:39 pmJackson Hole

3h 26m

ORD8:05 pmChicago O'Hare Intl

$319

American Airlines

Jul 6

ORD1:20 pmChicago O'Hare Intl

3h 19m

JAC3:39 pmJackson Hole

Jul 15

JAC3:39 pmJackson Hole

3h 28m

ORD8:07 pmChicago O'Hare Intl

$320

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/2

9:37 pm-11:38 am

1 stop16h 01m

Spokane

Fri 6/5

12:33 pm-8:32 pm

1 stop5h 59m

$261

Quickest round-trip

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 10/20

9:40 am-12:20 pm

Nonstop3h 40m

Idaho Falls Fanning Field

Sat 10/24

1:43 pm-6:00 pm

Nonstop3h 17m

$271

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 6/6

5:52 pm-10:36 pm

1 stop6h 44m

Spokane

Mon 6/8

12:33 pm-8:32 pm

1 stop5h 59m

$288

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 8/4

5:00 am-9:50 am

1 stop5h 50m

Idaho Falls Fanning Field

Sat 8/8

5:54 pm-12:44 am

1 stop5h 50m

$291

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 10/10

9:00 am-2:40 pm

1 stop7h 40m

Spokane

Tue 10/13

7:16 am-6:53 pm

1 stop9h 37m

$303

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 6/6

7:45 am-12:25 pm

1 stop5h 40m

West Yellowstone

Thu 6/11

1:10 pm-9:57 pm

1 stop7h 47m

$304

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 10/3

5:00 am-9:53 am

1 stop5h 53m

Idaho Falls Fanning Field

Tue 10/6

5:53 pm-11:57 pm

1 stop5h 04m

$306

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 6/3

9:00 am-9:45 pm

1 stop14h 45m

Spokane

Sat 6/6

1:59 pm-10:59 pm

1 stop7h 00m

$308

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 6/13

7:45 am-12:28 pm

1 stop5h 43m

West Yellowstone

Tue 6/23

1:10 pm-11:59 pm

2 stops9h 49m

$314

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Fri 7/3

7:20 am-4:00 pm

1 stop9h 40m

Idaho Falls Fanning Field

Mon 7/13

10:47 pm-12:49 am

2 stops25h 02m

$335

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

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

Other information

What is the cheapest month to fly to Idaho?

In general, July is the cheapest month to fly from Chicago O'Hare Intl Airport to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $91. If you don’t want to visit Idaho in July, then you should wait until September to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $115.

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

Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $363. On the other hand, Sunday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $551.

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

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to Idaho in the morning for as low as $397. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $477 per ticket.

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

Fly from Chicago O'Hare Intl to Boise Air Term. Gowen Fld for the best Chicago O'Hare Intl - Idaho flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Idaho?

You are more likely to see cheaper flights to Idaho from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Chicago O'Hare Intl Airport for as low as $302 on momondo.

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

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

Cheap Chicago O'Hare Intl Airport to Idaho flight deals and tips

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

Best Price Found	$222
Fastest flight time	3h 14m
Direct flights	Every day
Airports in Idaho	27 airports

The best one-way flight to Idaho from Chicago O'Hare Intl Airport in the past 72 hours is $222. The best round-trip flight deal from Chicago O'Hare Intl Airport to Idaho found on momondo in the last 72 hours is $375.

The fastest flight from Chicago O'Hare Intl Airport to Idaho takes 3h 14m

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

There are 27 airports in Idaho. From Chicago O'Hare Intl Airport there are direct flights to Idaho Falls Fanning Field (IDA), Jackson Hole (JAC).

Search flight deals

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

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Idaho?
Prices for flights from Chicago O'Hare Intl Airport to Idaho are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Idaho?
There are 4 operators available for flights from Chicago O'Hare Intl Airport to Idaho as of May 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho 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. 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?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Idaho is Embraer 175 (Enhanced Winglets), representing 33.33% of all bookings. The subsequent popular models are Airbus A319 at 17.46%, Boeing 737-800 at 15.52%, and Boeing 737-700 at 9.17%.

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $174	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 9,730 reviews	Search United Airlines flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,654 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Idaho from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Chicago to Idaho flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Chicago and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Idaho 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 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 6/16

Tue 6/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Idaho

Popular cities

Other flights from Chicago O'Hare Intl Airport

Other flights to Idaho

Airlines

Complete your trip

Feeling lucky

Popular cities in Idaho

Flights to New Yorkfrom $83

Flights to Los Angelesfrom $51

Flights to Orlandofrom $53

Flights to Miamifrom $56

Flights to Chicagofrom $60

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $55

Flights to Bostonfrom $74

Flights to Atlantafrom $54

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $88

Cheap flights from Chicago O'Hare Intl Airport to Idaho from $116

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Chicago O'Hare Intl Airport to Idaho

Our best Frontier deals on Chicago O'Hare Intl Airport to Idaho flight tickets

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

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

momondo Fare Finder

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

See travel insights to Idaho from

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

What is the cheapest month to fly to Idaho?

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

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

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

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Idaho?

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

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

What airlines fly to Idaho?

How many flights depart from Chicago O'Hare Intl Airport to Idaho on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Idaho on average per week?

Cheap Chicago O'Hare Intl Airport to Idaho flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

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

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

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

Why use momondo?

An easier way to manage your Idaho 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 Idaho

Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo

Chicago O'Hare Intl Airport flight routes

According to popular flight searches on momondo this year

Idaho flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Idaho

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Idaho

Explore popular destinations other users love

According to popular flight searches on momondo this year