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Cheap flights from Chicago to Idaho from $93

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 to Idaho departing on 11/6. 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
0 bags

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Find the cheapest flights from Chicago to Idaho

Cheap round-trip flights

Frontier Logo
6:50 am - 11:43 amORD-BOI
5h 53m1 stop
Frontier Logo
12:28 pm - 11:53 pmBOI-ORD
10h 25m1 stop
$188Frontier
Find Deal
sex, out 24 - dom, out 26
Frontier Logo
6:50 am - 11:43 amORD-BOI
5h 53m1 stop
Frontier Logo
12:28 pm - 9:36 amBOI-ORD
20h 08m1 stop
$193Frontier
Find Deal
sex, out 24 - dom, out 26
United Airlines Logo
9:30 am - 11:42 amORD-GEG
4h 12mnonstop
United Airlines Logo
11:25 am - 5:02 pmGEG-ORD
3h 37mnonstop
$215United Airlines
Find Deal
ter, out 21 - ter, out 28
Delta Logo
9:20 am - 1:05 pmMDW-GEG
5h 45m1 stop
Delta Logo
5:45 am - 1:08 pmGEG-MDW
5h 23m1 stop
$215Delta
Find Deal
ter, out 21 - ter, out 28
Delta Logo
8:57 am - 3:53 pmORD-GEG
8h 56m2 stops
Delta Logo
1:15 pm - 11:50 pmGEG-ORD
8h 35m1 stop
$220Delta
Find Deal
ter, out 21 - ter, out 28
American Airlines Logo
10:30 am - 12:20 pmORD-GEG
3h 50mnonstop
American Airlines Logo
1:12 pm - 7:04 pmGEG-ORD
3h 52mnonstop
$246American Airlines
Find Deal
ter, out 14 - sáb, out 18
United Airlines Logo
4:05 pm - 6:47 pmORD-BOI
3h 42mnonstop
United Airlines Logo
12:35 pm - 5:08 pmBOI-ORD
3h 33mnonstop
$249United Airlines
Find Deal
sáb, out 18 - qui, out 23
American Airlines Logo
10:30 am - 12:32 pmORD-GEG
4h 02mnonstop
American Airlines Logo
1:14 pm - 7:12 pmGEG-ORD
3h 58mnonstop
$255American Airlines
Find Deal
qui, nov 6 - seg, nov 10
Southwest Logo
8:25 am - 3:05 pmMDW-BOI
7h 40m1 stop
Southwest Logo
8:10 pm - 5:05 amBOI-MDW
7h 55m1 stop
$257Southwest
Find Deal
sáb, nov 1 - sex, nov 14
Southwest Logo
7:50 am - 4:35 pmMDW-GEG
10h 45m2 stops
Southwest Logo
12:55 pm - 10:35 pmGEG-MDW
7h 40m1 stop
$260Southwest
Find Deal
qui, out 30 - sáb, nov 1

Southwest flights from Chicago to Idaho

Our best Southwest deals on Chicago to Idaho flight tickets
Southwest
Nov 1
MDW8:25 amChicago Midway
7h 40m
1 stop
BOI3:05 pmBoise Air Term. Gowen Fld
Nov 14
BOI8:10 pmBoise Air Term. Gowen Fld
7h 55m
1 stop
MDW5:05 amChicago Midway
$257
Find similar
Southwest
Oct 30
MDW7:50 amChicago Midway
10h 45m
2 stops
GEG4:35 pmSpokane
Nov 1
GEG12:55 pmSpokane
7h 40m
1 stop
MDW10:35 pmChicago Midway
$260
Find similar
Southwest
Oct 24
MDW6:25 pmChicago Midway
6h 55m
1 stop
BOI12:20 amBoise Air Term. Gowen Fld
Oct 27
BOI5:40 pmBoise Air Term. Gowen Fld
4h 50m
1 stop
MDW11:30 pmChicago Midway
$269
Find similar

Hawaiian Airlines flights from Chicago to Idaho

Our best Hawaiian Airlines deals on Chicago to Idaho flight tickets
Hawaiian Airlines
Mar 3
ORD7:45 amChicago O'Hare Intl
9h 35m
1 stop
BOI4:20 pmBoise Air Term. Gowen Fld
Mar 4
BOI8:30 pmBoise Air Term. Gowen Fld
7h 34m
1 stop
ORD5:04 amChicago O'Hare Intl
$214
Find similar
Hawaiian Airlines
Oct 22
ORD6:00 amChicago O'Hare Intl
8h 37m
1 stop
GEG12:37 pmSpokane
Oct 26
GEG8:59 pmSpokane
7h 23m
1 stop
ORD6:22 amChicago O'Hare Intl
$231
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 setembro 23, 2025.
Use the filters below to find and compare flights from Chicago to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

sex 10/24

6:50 am-11:43 am

1 stop5h 53m

Boise Air Term. Gowen Fld

dom 10/26

12:28 pm-11:53 pm

1 stop10h 25m

$188

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

sex 10/24

6:50 am-11:43 am

1 stop5h 53m

Boise Air Term. Gowen Fld

dom 10/26

12:28 pm-9:36 am

1 stop20h 08m

$193

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

ter 10/21

9:30 am-11:42 am

Nonstop4h 12m

Spokane

ter 10/28

11:25 am-5:02 pm

Nonstop3h 37m

$215

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

ter 10/21

9:20 am-1:05 pm

1 stop5h 45m

Spokane

ter 10/28

5:45 am-1:08 pm

1 stop5h 23m

$215

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

ter 10/21

8:57 am-3:53 pm

2 stops8h 56m

Spokane

ter 10/28

1:15 pm-11:50 pm

1 stop8h 35m

$220

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

ter 10/14

10:30 am-12:20 pm

Nonstop3h 50m

Spokane

sáb 10/18

1:12 pm-7:04 pm

Nonstop3h 52m

$246

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

sáb 10/18

4:05 pm-6:47 pm

Nonstop3h 42m

Boise Air Term. Gowen Fld

qui 10/23

12:35 pm-5:08 pm

Nonstop3h 33m

$249

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

qui 11/6

10:30 am-12:32 pm

Nonstop4h 02m

Spokane

seg 11/10

1:14 pm-7:12 pm

Nonstop3h 58m

$255

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

sáb 11/1

8:25 am-3:05 pm

1 stop7h 40m

Boise Air Term. Gowen Fld

sex 11/14

8:10 pm-5:05 am

1 stop7h 55m

$257

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

qui 10/30

7:50 am-4:35 pm

2 stops10h 45m

Spokane

sáb 11/1

12:55 pm-10:35 pm

1 stop7h 40m

$260

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 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, September is the cheapest month to fly from Chicago to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $326. If you don’t want to visit Idaho in September, then you should wait until August to fly from Chicago, when ticket prices are also cheap, with an average price of $334.

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 $384. On the other hand, Monday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $552.

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 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 $589 per ticket.

What is the cheapest Chicago to Idaho flight route?

Fly from Chicago O'Hare Intl to Boise Air Term. Gowen Fld for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Chicago for as low as $254 on momondo.

What cabin class options are available on Chicago to Idaho flights?

There are 4 cabin classes available to choose from on Chicago 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 to Idaho flights?

You could potentially save up to 27% on your flight if you consider stops on a Chicago to Idaho flight.

Cheap Chicago to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Idaho

Best Price Found

$145

Fastest flight time

3h 08m

Direct flights

Every day

Airports in Idaho

3 airports
The best one-way flight to Idaho from Chicago in the past 72 hours is $145. The best round-trip flight deal from Chicago to Idaho found on momondo in the last 72 hours is $269.
The fastest flight from Chicago to Idaho takes 3h 08m
Direct flights go from Chicago to Idaho every day.
There are 3 airports near Idaho: Idaho Falls Fanning Field (IDA), Jackson Hole (JAC), Boise Air Term. Gowen Fld (BOI)
Search flight deals

  • When did momondo last update prices for flights from Chicago to Idaho?

    Prices for flights from Chicago to Idaho were last updated today.

  • How many operators does momondo search for flights from Chicago to Idaho?

  • How old do you have to be to fly from Chicago to Idaho?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Idaho.

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

    The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Idaho?

Best airlines flying from Chicago to Idaho

Compare and see reviews for airlines that fly from Chicago to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $174Free CancellationRating
7.9
7,974 reviews
Search Delta flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $239Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $261Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Idaho for you.

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

All flight searches from Chicago to Idaho on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Chicago.

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

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

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.
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