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Cheap flights from Idaho to Chicago from $115

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 8/11. 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.
Frontier Logo
12:33 pm - 8:32 pm
GEG
-
ORD
5h 59m
1 stop
Frontier Logo
9:37 pm - 11:38 am
ORD
-
GEG
16h 01m
1 stop
$252Frontier
Fri, May 29 - Tue, Jun 2
American Airlines Logo
1:44 pm - 6:00 pm
IDA
-
ORD
3h 16mnonstop
American Airlines Logo
9:40 am - 12:20 pm
ORD
-
IDA
3h 40mnonstop
$271American Airlines
Sat, Oct 3 - Tue, Oct 6
Frontier Logo
12:33 pm - 8:32 pm
GEG
-
ORD
5h 59m
1 stop
Frontier Logo
9:48 pm - 11:36 am
ORD
-
GEG
15h 48m
1 stop
$272Frontier
Mon, Jun 1 - Tue, Jun 9
American Airlines Logo
1:44 pm - 6:00 pm
IDA
-
ORD
3h 16mnonstop
American Airlines Logo
3:00 pm - 9:22 pm
ORD
-
IDA
7h 22m
1 stop
$281American Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
4:04 pm - 11:57 pm
IDA
-
ORD
6h 53m
1 stop
United Airlines Logo
5:00 am - 9:53 am
ORD
-
IDA
5h 53m
1 stop
$291United Airlines
Sat, Oct 3 - Tue, Oct 6
Alaska Airlines Logo
5:00 am - 1:22 pm
GEG
-
ORD
6h 22m
1 stop
Alaska Airlines Logo
9:00 am - 9:45 pm
ORD
-
GEG
14h 45m
1 stop
$293Alaska Airlines
Fri, May 29 - Wed, Jun 3
Delta Logo
11:25 am - 6:58 pm
IDA
-
ORD
6h 33m
1 stop
Delta Logo
6:00 am - 12:27 pm
ORD
-
IDA
7h 27m
2 stops
$296Delta
Wed, Jul 1 - Tue, Nov 3
Delta Logo
11:25 am - 9:25 pm
IDA
-
ORD
9h 00m
2 stops
Delta Logo
6:00 am - 12:27 pm
ORD
-
IDA
7h 27m
2 stops
$301Delta
Wed, Jul 1 - Tue, Nov 3
Alaska Airlines Logo
3:41 pm - 11:59 pm
GEG
-
ORD
6h 18m
1 stop
Alaska Airlines Logo
7:00 am - 11:52 am
ORD
-
GEG
6h 52m
1 stop
$303Alaska Airlines
Wed, Sep 2 - Tue, Sep 8
United Airlines Logo
4:04 pm - 10:46 pm
IDA
-
ORD
5h 42m
1 stop
United Airlines Logo
7:00 am - 1:29 pm
ORD
-
IDA
7h 29m
1 stop
$308United Airlines
Wed, Aug 19 - Sat, Aug 22

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

Our best United Airlines deals on Idaho to Chicago O'Hare Intl Airport flight tickets
United Airlines
Oct 3
IDA4:04 pmIdaho Falls Fanning Field
6h 53m
1 stop
ORD11:57 pmChicago O'Hare Intl
Oct 6
ORD5:00 amChicago O'Hare Intl
5h 53m
1 stop
IDA9:53 amIdaho Falls Fanning Field
$291
United Airlines
Aug 19
IDA4:04 pmIdaho Falls Fanning Field
5h 42m
1 stop
ORD10:46 pmChicago O'Hare Intl
Aug 22
ORD7:00 amChicago O'Hare Intl
7h 29m
1 stop
IDA1:29 pmIdaho Falls Fanning Field
$308
United Airlines
Jul 1
IDA5:54 pmIdaho Falls Fanning Field
5h 50m
1 stop
ORD12:44 amChicago O'Hare Intl
Jul 6
ORD5:00 amChicago O'Hare Intl
5h 50m
1 stop
IDA9:50 amIdaho Falls Fanning Field
$310

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
May 29
GEG12:33 pmSpokane
5h 59m
1 stop
ORD8:32 pmChicago O'Hare Intl
Jun 2
ORD9:37 pmChicago O'Hare Intl
16h 01m
1 stop
GEG11:38 amSpokane
$252
Frontier
Jun 1
GEG12:33 pmSpokane
5h 59m
1 stop
ORD8:32 pmChicago O'Hare Intl
Jun 9
ORD9:48 pmChicago O'Hare Intl
15h 48m
1 stop
GEG11:36 amSpokane
$272
Frontier
May 29
GEG12:33 pmSpokane
5h 59m
1 stop
ORD8:32 pmChicago O'Hare Intl
May 31
ORD9:37 pmChicago O'Hare Intl
16h 01m
1 stop
GEG11:38 amSpokane
$282

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 May 16, 2026.
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

Cheapest round-trip

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Fri 5/29

12:33 pm-8:32 pm

1 stop5h 59m

Chicago O'Hare Intl

Tue 6/2

9:37 pm-11:38 am

1 stop16h 01m

$252
Quickest round-trip

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 10/3

1:44 pm-6:00 pm

Nonstop3h 16m

Chicago O'Hare Intl

Tue 10/6

9:40 am-12:20 pm

Nonstop3h 40m

$271

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Mon 6/1

12:33 pm-8:32 pm

1 stop5h 59m

Chicago O'Hare Intl

Tue 6/9

9:48 pm-11:36 am

1 stop15h 48m

$272

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 10/3

1:44 pm-6:00 pm

Nonstop3h 16m

Chicago O'Hare Intl

Tue 10/6

3:00 pm-9:22 pm

1 stop7h 22m

$281

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 10/3

4:04 pm-11:57 pm

1 stop6h 53m

Chicago O'Hare Intl

Tue 10/6

5:00 am-9:53 am

1 stop5h 53m

$291

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Fri 5/29

5:00 am-1:22 pm

1 stop6h 22m

Chicago O'Hare Intl

Wed 6/3

9:00 am-9:45 pm

1 stop14h 45m

$293

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/1

11:25 am-6:58 pm

1 stop6h 33m

Chicago O'Hare Intl

Tue 11/3

6:00 am-12:27 pm

2 stops7h 27m

$296

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 7/1

11:25 am-9:25 pm

2 stops9h 00m

Chicago O'Hare Intl

Tue 11/3

6:00 am-12:27 pm

2 stops7h 27m

$301

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 9/2

3:41 pm-11:59 pm

1 stop6h 18m

Chicago O'Hare Intl

Tue 9/8

7:00 am-11:52 am

1 stop6h 52m

$303

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 8/19

4:04 pm-10:46 pm

1 stop5h 42m

Chicago O'Hare Intl

Sat 8/22

7:00 am-1:29 pm

1 stop7h 29m

$308

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 October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Idaho averaging around $109.

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 $470. 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 $740.

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 $433 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $628. 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 from Idaho 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 $401 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 $138 on momondo.

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

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

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

$174

Fastest flight time

3h 09m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Idaho in the past 72 hours is $174. The best round-trip flight deal from Idaho to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $481.
The fastest flight from Idaho to Chicago O'Hare Intl Airport takes 3h 09m
Direct flights go from Idaho to Chicago O'Hare Intl Airport every day.
Search flight deals

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

  • 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 $123Free CancellationRating
7.9
8,455 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,726 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,295 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $260Free CancellationRating
7.9
12,370 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.1
11,662 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
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
New Buffalo
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Elgin
Tinley Park

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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