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Cheap flights from Chicago O'Hare Intl Airport to Idaho from $127

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 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Delta Logo
2:00 pm - 6:20 pm
ORD
-
IDA
5h 20m
1 stop
Delta Logo
11:35 am - 6:19 pm
IDA
-
ORD
5h 44m
1 stop
$291Delta
Wed, Aug 12 - Wed, Aug 19
Delta Logo
2:00 pm - 6:20 pm
ORD
-
IDA
5h 20m
1 stop
Delta Logo
11:35 am - 9:47 pm
IDA
-
ORD
9h 12m
2 stops
$296Delta
Wed, Aug 12 - Tue, Aug 18
United Airlines Logo
5:55 am - 1:20 pm
ORD
-
WYS
8h 25m
1 stop
United Airlines Logo
4:44 pm - 10:46 pm
WYS
-
ORD
5h 02m
1 stop
$313United Airlines
Fri, Aug 14 - Fri, Aug 21
United Airlines Logo
9:00 am - 11:38 am
ORD
-
IDA
3h 38mnonstop
United Airlines Logo
4:04 pm - 10:46 pm
IDA
-
ORD
5h 42m
1 stop
$316United Airlines
Sat, Sep 5 - Mon, Sep 14
Alaska Airlines Logo
2:18 pm - 10:49 pm
ORD
-
GEG
10h 31m
1 stop
Alaska Airlines Logo
12:17 pm - 11:59 pm
GEG
-
ORD
9h 42m
1 stop
$328Alaska Airlines
Thu, Sep 3 - Tue, Sep 8
Multiple Airlines Logo
6:50 am - 9:19 am
ORD
-
GEG
28h 29m
1 stop
Multiple Airlines Logo
10:20 am - 9:35 pm
GEG
-
ORD
33h 15m
2 stops
$330Multiple Airlines
Wed, Sep 16 - Mon, Sep 21
Alaska Airlines Logo
6:42 pm - 11:59 pm
ORD
-
GEG
7h 17m
1 stop
Alaska Airlines Logo
8:15 am - 6:57 pm
GEG
-
ORD
8h 42m
1 stop
$331Alaska Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
11:30 am - 1:37 pm
ORD
-
GEG
4h 07mnonstop
American Airlines Logo
2:27 pm - 8:28 pm
GEG
-
ORD
4h 01mnonstop
$336American Airlines
Thu, Aug 6 - Sat, Aug 8
Multiple Airlines Logo
6:00 am - 12:26 pm
ORD
-
BOI
7h 26m
1 stop
Multiple Airlines Logo
12:24 pm - 1:36 pm
BOI
-
ORD
24h 12m
1 stop
$338Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
American Airlines Logo
11:39 am - 2:29 pm
ORD
-
BOI
3h 50mnonstop
American Airlines Logo
1:55 pm - 12:28 am
BOI
-
ORD
9h 33m
1 stop
$340American Airlines
Mon, Aug 10 - Tue, Aug 11

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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
Aug 12
ORD9:57 pmChicago O'Hare Intl
15h 32m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Aug 18
BOI1:24 pmBoise Air Term. Gowen Fld
17h 29m
2 stops
ORD7:53 amChicago O'Hare Intl
$341
Frontier
Jul 27
ORD9:57 pmChicago O'Hare Intl
15h 32m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Aug 4
BOI1:24 pmBoise Air Term. Gowen Fld
6h 28m
1 stop
ORD8:52 pmChicago O'Hare Intl
$355
Frontier
Jul 25
ORD9:57 pmChicago O'Hare Intl
15h 32m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Aug 4
BOI1:24 pmBoise Air Term. Gowen Fld
6h 28m
1 stop
ORD8:52 pmChicago O'Hare Intl
$362

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
Sep 3
ORD2:18 pmChicago O'Hare Intl
10h 31m
1 stop
GEG10:49 pmSpokane
Sep 8
GEG12:17 pmSpokane
9h 42m
1 stop
ORD11:59 pmChicago O'Hare Intl
$328
Alaska Airlines
Aug 6
ORD6:42 pmChicago O'Hare Intl
7h 17m
1 stop
GEG11:59 pmSpokane
Aug 10
GEG8:15 amSpokane
8h 42m
1 stop
ORD6:57 pmChicago O'Hare Intl
$331
Alaska Airlines
Jul 31
ORD8:20 pmChicago O'Hare Intl
14h 17m
1 stop
BOI9:37 amBoise Air Term. Gowen Fld
Aug 8
BOI8:00 pmBoise Air Term. Gowen Fld
16h 21m
1 stop
ORD1:21 pmChicago O'Hare Intl
$335

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 July 3, 2026.
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

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 8/12

2:00 pm-6:20 pm

1 stop5h 20m

Idaho Falls Fanning Field

Wed 8/19

11:35 am-6:19 pm

1 stop5h 44m

$291

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 8/12

2:00 pm-6:20 pm

1 stop5h 20m

Idaho Falls Fanning Field

Tue 8/18

11:35 am-9:47 pm

2 stops9h 12m

$296

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 8/14

5:55 am-1:20 pm

1 stop8h 25m

West Yellowstone

Fri 8/21

4:44 pm-10:46 pm

1 stop5h 02m

$313

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sat 9/5

9:00 am-11:38 am

Nonstop3h 38m

Idaho Falls Fanning Field

Mon 9/14

4:04 pm-10:46 pm

1 stop5h 42m

$316

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Thu 9/3

2:18 pm-10:49 pm

1 stop10h 31m

Spokane

Tue 9/8

12:17 pm-11:59 pm

1 stop9h 42m

$328

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 9/16

6:50 am-9:19 am

1 stop28h 29m

Spokane

Mon 9/21

10:20 am-9:35 pm

2 stops33h 15m

$330

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Thu 8/6

6:42 pm-11:59 pm

1 stop7h 17m

Spokane

Mon 8/10

8:15 am-6:57 pm

1 stop8h 42m

$331
Quickest round-trip

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Thu 8/6

11:30 am-1:37 pm

Nonstop4h 07m

Spokane

Sat 8/8

2:27 pm-8:28 pm

Nonstop4h 01m

$336

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sun 8/16

6:00 am-12:26 pm

1 stop7h 26m

Boise Air Term. Gowen Fld

Sun 8/23

12:24 pm-1:36 pm

1 stop24h 12m

$338

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Mon 8/10

11:39 am-2:29 pm

Nonstop3h 50m

Boise Air Term. Gowen Fld

Tue 8/11

1:55 pm-12:28 am

1 stop9h 33m

$340

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, 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 $345. 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 $587.

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 $398. 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 $564 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 $449 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 $320 on momondo.

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

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

You could potentially save up to 19% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Idaho flight.

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

$225

Fastest flight time

3h 18m

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 $225. The best round-trip flight deal from Chicago O'Hare Intl Airport to Idaho found on momondo in the last 72 hours is $345.
The fastest flight from Chicago O'Hare Intl Airport to Idaho takes 3h 18m
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?

  • 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
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.8
8,453 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $348Free CancellationRating
7.9
12,607 reviews
Search Alaska 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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