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Cheap flights from Chicago O'Hare Intl Airport to Idaho from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Idaho departing on 2/21. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:54 pm - 9:37 pm
ORD
-
GEG
7h 43m1 stop
Alaska Airlines Logo
8:29 pm - 12:01 pm
GEG
-
ORD
13h 32m1 stop
$214Alaska Airlines
Wed, Feb 18 - Wed, Feb 25
Frontier Logo
6:15 am - 3:19 pm
ORD
-
GEG
11h 04m1 stop
Frontier Logo
11:22 am - 9:24 pm
GEG
-
ORD
8h 02m1 stop
$217Frontier
Sun, Jan 11 - Thu, Jan 15
Frontier Logo
7:50 pm - 11:17 am
ORD
-
BOI
16h 27m1 stop
Frontier Logo
12:07 pm - 6:45 pm
BOI
-
ORD
5h 38m1 stop
$221Frontier
Thu, Jan 8 - Mon, Jan 12
Hawaiian Airlines Logo
6:06 pm - 11:04 pm
ORD
-
GEG
6h 58m1 stop
Hawaiian Airlines Logo
5:00 am - 1:10 pm
GEG
-
ORD
6h 10m1 stop
$230Hawaiian Airlines
Thu, Jan 22 - Thu, Jan 29
United Airlines Logo
4:00 pm - 6:16 pm
ORD
-
GEG
4h 16mnonstop
United Airlines Logo
7:00 am - 12:50 pm
GEG
-
ORD
3h 50mnonstop
$235United Airlines
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
4:00 pm - 6:16 pm
ORD
-
GEG
4h 16mnonstop
United Airlines Logo
4:02 pm - 11:59 pm
GEG
-
ORD
5h 57m1 stop
$245United Airlines
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
10:43 am - 1:53 pm
ORD
-
BOI
4h 10mnonstop
American Airlines Logo
3:18 pm - 7:59 pm
BOI
-
ORD
3h 41mnonstop
$249American Airlines
Fri, Jan 23 - Fri, Jan 30
Delta Logo
5:25 am - 11:35 am
ORD
-
GEG
8h 10m1 stop
Delta Logo
5:00 am - 1:22 pm
GEG
-
ORD
6h 22m1 stop
$255Delta
Sat, Feb 14 - Tue, Feb 17
Delta Logo
2:20 pm - 8:15 pm
ORD
-
BOI
6h 55m1 stop
Delta Logo
1:51 pm - 11:52 pm
BOI
-
ORD
9h 01m1 stop
$265Delta
Thu, Feb 12 - Sun, Feb 15
American Airlines Logo
9:40 am - 12:46 pm
ORD
-
SUN
4h 06mnonstop
American Airlines Logo
1:16 pm - 5:51 pm
SUN
-
ORD
3h 35mnonstop
$306American Airlines
Mon, Jan 12 - Thu, Jan 15

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
Jan 11
ORD6:15 amChicago O'Hare Intl
11h 04m
1 stop
GEG3:19 pmSpokane
Jan 15
GEG11:22 amSpokane
8h 02m
1 stop
ORD9:24 pmChicago O'Hare Intl
$217
Find similar
Frontier
Jan 8
ORD7:50 pmChicago O'Hare Intl
16h 27m
1 stop
BOI11:17 amBoise Air Term. Gowen Fld
Jan 12
BOI12:07 pmBoise Air Term. Gowen Fld
5h 38m
1 stop
ORD6:45 pmChicago O'Hare Intl
$221
Find similar
Frontier
Feb 19
ORD4:16 pmChicago O'Hare Intl
19h 55m
1 stop
BOI11:11 amBoise Air Term. Gowen Fld
Feb 27
BOI11:56 amBoise Air Term. Gowen Fld
27h 57m
2 stops
ORD4:53 pmChicago O'Hare Intl
$226
Find similar

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

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Idaho flight tickets
Alaska Airlines
Feb 18
ORD3:54 pmChicago O'Hare Intl
7h 43m
1 stop
GEG9:37 pmSpokane
Feb 25
GEG8:29 pmSpokane
13h 32m
1 stop
ORD12:01 pmChicago O'Hare Intl
$214
Find similar
Alaska Airlines
Jan 12
ORD3:35 pmChicago O'Hare Intl
9h 24m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Jan 21
BOI6:23 amBoise Air Term. Gowen Fld
9h 47m
1 stop
ORD5:10 pmChicago O'Hare Intl
$227
Find similar
Alaska Airlines
Feb 19
ORD3:54 pmChicago O'Hare Intl
7h 46m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
Feb 23
BOI8:27 pmBoise Air Term. Gowen Fld
16h 44m
1 stop
ORD2:11 pmChicago O'Hare Intl
$228
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Idaho 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, momondo users made 832,500 searches. Data last updated December 26, 2025.
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

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 2/18

3:54 pm-9:37 pm

1 stop7h 43m

Spokane

Wed 2/25

8:29 pm-12:01 pm

1 stop13h 32m

$214

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sun 1/11

6:15 am-3:19 pm

1 stop11h 04m

Spokane

Thu 1/15

11:22 am-9:24 pm

1 stop8h 02m

$217

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 1/8

7:50 pm-11:17 am

1 stop16h 27m

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-6:45 pm

1 stop5h 38m

$221

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Thu 1/22

6:06 pm-11:04 pm

1 stop6h 58m

Spokane

Thu 1/29

5:00 am-1:10 pm

1 stop6h 10m

$230

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 2/18

4:00 pm-6:16 pm

Nonstop4h 16m

Spokane

Wed 2/25

7:00 am-12:50 pm

Nonstop3h 50m

$235

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 2/18

4:00 pm-6:16 pm

Nonstop4h 16m

Spokane

Wed 2/25

4:02 pm-11:59 pm

1 stop5h 57m

$245

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Fri 1/23

10:43 am-1:53 pm

Nonstop4h 10m

Boise Air Term. Gowen Fld

Fri 1/30

3:18 pm-7:59 pm

Nonstop3h 41m

$249

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 2/14

5:25 am-11:35 am

1 stop8h 10m

Spokane

Tue 2/17

5:00 am-1:22 pm

1 stop6h 22m

$255

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 2/12

2:20 pm-8:15 pm

1 stop6h 55m

Boise Air Term. Gowen Fld

Sun 2/15

1:51 pm-11:52 pm

1 stop9h 01m

$265

ChicagoHailey

ORD - SUN

ORDSUN

Chicago O'Hare Intl

Mon 1/12

9:40 am-12:46 pm

Nonstop4h 06m

Hailey Sun Valley-Friedman

Thu 1/15

1:16 pm-5:51 pm

Nonstop3h 35m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

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

What is the cheapest month to fly to Idaho?

In general, April 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 $306. If you don’t want to visit Idaho in April, then you should wait until May to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $307.

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 $372. 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 $483.

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 at noon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Idaho at noon for as low as $327. 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 $552 per ticket.

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

Fly from Chicago O'Hare Intl to Hailey Sun Valley-Friedman for the best Chicago O'Hare Intl - Idaho flight prices

How far in advance should I book a flight 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 $393 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 $241 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Idaho 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 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

$127

Fastest flight time

3h 06m

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 $127. The best round-trip flight deal from Chicago O'Hare Intl Airport to Idaho found on momondo in the last 72 hours is $368.
The fastest flight from Chicago O'Hare Intl Airport to Idaho takes 3h 06m
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), Spokane (GEG), Jackson Hole (JAC), Boise Air Term. Gowen Fld (BOI) and 1 more.
Search flight deals

  • 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?

  • 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?

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
DeltaPriceFrom $174Free CancellationRating
7.9
8,018 reviews
Search Delta flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,067 reviews
Search American Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,116 reviews
Search United 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.

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