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Cheap flights from Idaho to Chicago from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Chicago departing on 2/19. 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 Idaho to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
5:45 am - 2:38 pm
GEG
-
ORD
6h 53m1 stop
Hawaiian Airlines Logo
5:29 pm - 11:59 pm
ORD
-
GEG
8h 30m1 stop
$198Hawaiian Airlines
Tue, Feb 10 - Tue, Mar 3
Hawaiian Airlines Logo
5:40 am - 1:11 pm
BOI
-
ORD
6h 31m1 stop
Hawaiian Airlines Logo
3:54 pm - 10:40 pm
ORD
-
BOI
7h 46m1 stop
$210Hawaiian Airlines
Wed, Mar 4 - Mon, Mar 9
Alaska Airlines Logo
5:00 am - 1:11 pm
GEG
-
ORD
6h 11m1 stop
Alaska Airlines Logo
3:54 pm - 11:01 pm
ORD
-
GEG
9h 07m1 stop
$214Alaska Airlines
Sat, Feb 21 - Tue, Feb 24
Alaska Airlines Logo
1:55 pm - 11:50 pm
BOI
-
ORD
8h 55m1 stop
Alaska Airlines Logo
3:35 pm - 11:01 pm
ORD
-
BOI
8h 26m1 stop
$228Alaska Airlines
Tue, Jan 20 - Tue, Jan 27
United Airlines Logo
7:00 am - 12:50 pm
GEG
-
ORD
3h 50mnonstop
United Airlines Logo
4:00 pm - 6:16 pm
ORD
-
GEG
4h 16mnonstop
$235United Airlines
Sat, Feb 21 - Tue, Feb 24
Multiple Airlines Logo
12:07 pm - 8:57 pm
BOI
-
ORD
7h 50m1 stop
Multiple Airlines Logo
3:35 pm - 11:59 pm
ORD
-
BOI
9h 24m1 stop
$240Multiple Airlines
Sun, Jan 11 - Thu, Jan 15
United Airlines Logo
7:00 am - 12:50 pm
GEG
-
ORD
3h 50mnonstop
United Airlines Logo
8:40 am - 12:42 pm
ORD
-
GEG
6h 02m1 stop
$245United Airlines
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
3:18 pm - 7:59 pm
BOI
-
ORD
3h 41mnonstop
American Airlines Logo
11:41 am - 2:51 pm
ORD
-
BOI
4h 10mnonstop
$249American Airlines
Tue, Jan 20 - Sat, Jan 24
American Airlines Logo
3:18 pm - 7:59 pm
BOI
-
ORD
3h 41mnonstop
American Airlines Logo
11:41 am - 2:51 pm
ORD
-
BOI
4h 10mnonstop
$252American Airlines
Tue, Jan 20 - Sat, Jan 24
Multiple Airlines Logo
10:31 pm - 11:22 am
IDA
-
ORD
35h 51m2 stops
Multiple Airlines Logo
6:34 pm - 3:30 pm
ORD
-
IDA
21h 56m1 stop
$291Multiple Airlines
Mon, Feb 16 - Thu, Feb 26

Frontier flights from Idaho to Chicago O'Hare Intl Airport

Our best Frontier deals on Idaho to Chicago O'Hare Intl Airport flight tickets
Frontier
Dec 30
GEG12:02 pmSpokane
10h 10m
1 stop
ORD12:12 amChicago O'Hare Intl
Jan 8
ORD6:15 amChicago O'Hare Intl
11h 04m
1 stop
GEG3:19 pmSpokane
$282
Find similar
Frontier
Jan 11
BOI12:07 pmBoise Air Term. Gowen Fld
7h 50m
1 stop
ORD8:57 pmChicago O'Hare Intl
Jan 18
ORD7:55 amChicago O'Hare Intl
30h 30m
2 stops
BOI1:25 pmBoise Air Term. Gowen Fld
$292
Find similar
Frontier
Apr 9
GEG12:47 pmSpokane
9h 25m
1 stop
ORD12:12 amChicago O'Hare Intl
Apr 12
ORD7:00 amChicago O'Hare Intl
6h 47m
1 stop
GEG11:47 amSpokane
$342
Find similar

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

Our best Alaska Airlines deals on Idaho to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Feb 21
GEG5:00 amSpokane
6h 11m
1 stop
ORD1:11 pmChicago O'Hare Intl
Feb 24
ORD3:54 pmChicago O'Hare Intl
9h 07m
1 stop
GEG11:01 pmSpokane
$214
Find similar
Alaska Airlines
Jan 20
BOI3:43 pmBoise Air Term. Gowen Fld
7h 07m
1 stop
ORD11:50 pmChicago O'Hare Intl
Jan 24
ORD3:35 pmChicago O'Hare Intl
8h 26m
1 stop
BOI11:01 pmBoise Air Term. Gowen Fld
$228
Find similar
Alaska Airlines
Feb 5
GEG7:30 amSpokane
7h 40m
1 stop
ORD5:10 pmChicago O'Hare Intl
Feb 7
ORD3:35 pmChicago O'Hare Intl
7h 50m
1 stop
GEG9:25 pmSpokane
$231
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Chicago O'Hare Intl Airport 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 25, 2025.
Use the filters below to find and compare flights from Idaho to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 2/10

5:45 am-2:38 pm

1 stop6h 53m

Chicago O'Hare Intl

Tue 3/3

5:29 pm-11:59 pm

1 stop8h 30m

$198

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 3/4

5:40 am-1:11 pm

1 stop6h 31m

Chicago O'Hare Intl

Mon 3/9

3:54 pm-10:40 pm

1 stop7h 46m

$210

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 2/21

5:00 am-1:11 pm

1 stop6h 11m

Chicago O'Hare Intl

Tue 2/24

3:54 pm-11:01 pm

1 stop9h 07m

$214

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 1/20

1:55 pm-11:50 pm

1 stop8h 55m

Chicago O'Hare Intl

Tue 1/27

3:35 pm-11:01 pm

1 stop8h 26m

$228

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 2/21

7:00 am-12:50 pm

Nonstop3h 50m

Chicago O'Hare Intl

Tue 2/24

4:00 pm-6:16 pm

Nonstop4h 16m

$235

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 1/11

12:07 pm-8:57 pm

1 stop7h 50m

Chicago O'Hare Intl

Thu 1/15

3:35 pm-11:59 pm

1 stop9h 24m

$240

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 2/21

7:00 am-12:50 pm

Nonstop3h 50m

Chicago O'Hare Intl

Tue 2/24

8:40 am-12:42 pm

1 stop6h 02m

$245

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 1/20

3:18 pm-7:59 pm

Nonstop3h 41m

Chicago O'Hare Intl

Sat 1/24

11:41 am-2:51 pm

Nonstop4h 10m

$249

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 1/20

3:18 pm-7:59 pm

Nonstop3h 41m

Chicago O'Hare Intl

Sat 1/24

11:41 am-2:51 pm

Nonstop4h 10m

$252

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-11:22 am

2 stops35h 51m

Chicago O'Hare Intl

Thu 2/26

6:34 pm-3:30 pm

1 stop21h 56m

$291

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 Chicago from

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

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 Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho averaging around $335.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $483. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $814.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Idaho in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $308 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $682. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Idaho for as low as $267 on momondo.

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

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

You could potentially save up to 6% on your flight if you consider stops on a Idaho to Chicago O'Hare Intl Airport flight.

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

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

Best Price Found

$233

Fastest flight time

3h 10m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Idaho in the past 72 hours is $233. The best round-trip flight deal from Idaho to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $403.
The fastest flight from Idaho to Chicago O'Hare Intl Airport takes 3h 10m
Direct flights go from Idaho to Chicago O'Hare Intl Airport every day.
Search flight deals

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

    Prices for flights from Idaho to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. 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 Idaho to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Idaho to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $134Free CancellationRating
7.9
8,013 reviews
Search Delta flights
Alaska AirlinesPriceFrom $224Free CancellationRating
8.0
11,534 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
11,061 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Aurora
Elgin
Benton Harbor

Why use momondo?

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

Finding the right flight to Chicago from Idaho 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 Chicago quick and easy, saving you time and money.

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

Yes. All flights to Chicago from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Idaho to Chicago 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 Idaho to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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