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Cheap flights from Boise to Chicago from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Chicago departing on 9/8. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:59 pm - 9:35 pm
BOI
-
ORD
7h 36m
1 stop
Frontier Logo
10:40 pm - 12:04 pm
ORD
-
BOI
14h 24m
1 stop
$334Frontier
Thu, Sep 10 - Mon, Sep 14
Alaska Airlines Logo
8:00 pm - 1:21 pm
BOI
-
ORD
16h 21m
1 stop
Alaska Airlines Logo
8:20 pm - 9:40 am
ORD
-
BOI
14h 20m
1 stop
$335Alaska Airlines
Wed, Jul 8 - Tue, Jul 14
Frontier Logo
1:24 pm - 8:02 am
BOI
-
ORD
17h 38m
2 stops
Frontier Logo
9:57 pm - 12:09 pm
ORD
-
BOI
15h 12m
1 stop
$336Frontier
Thu, Aug 13 - Mon, Aug 17
Frontier Logo
1:25 pm - 8:43 pm
BOI
-
ORD
6h 18m
1 stop
Frontier Logo
9:48 pm - 12:30 pm
ORD
-
BOI
15h 42m
1 stop
$337Frontier
Thu, Jun 25 - Sat, Jun 27
Frontier Logo
1:25 pm - 8:43 pm
BOI
-
ORD
6h 18m
1 stop
Frontier Logo
9:57 pm - 12:29 pm
ORD
-
BOI
15h 32m
1 stop
$339Frontier
Tue, Jun 30 - Mon, Jul 6
Delta Logo
8:50 am - 9:58 pm
BOI
-
ORD
12h 08m
2 stops
Delta Logo
7:44 pm - 11:59 pm
ORD
-
BOI
5h 15m
1 stop
$340Delta
Wed, Aug 12 - Wed, Aug 19
Delta Logo
6:00 am - 6:29 pm
BOI
-
ORD
11h 29m
2 stops
Delta Logo
6:55 am - 3:11 pm
ORD
-
BOI
9h 16m
1 stop
$341Delta
Thu, Jul 9 - Tue, Jul 14
Alaska Airlines Logo
4:27 pm - 11:59 pm
BOI
-
ORD
6h 32m
1 stop
Alaska Airlines Logo
6:00 am - 12:47 pm
ORD
-
BOI
7h 47m
1 stop
$342Alaska Airlines
Wed, Jun 17 - Sat, Jun 20
Frontier Logo
1:24 pm - 7:53 am
BOI
-
ORD
17h 29m
2 stops
Frontier Logo
9:57 pm - 12:29 pm
ORD
-
BOI
15h 32m
1 stop
$343Frontier
Tue, Jul 14 - Wed, Jul 15
Alaska Airlines Logo
6:49 pm - 1:22 pm
BOI
-
ORD
17h 33m
1 stop
Alaska Airlines Logo
6:00 am - 2:22 pm
ORD
-
BOI
9h 22m
1 stop
$345Alaska Airlines
Fri, Sep 4 - Wed, Sep 9

Frontier flights from Boise to Chicago O'Hare Intl Airport

Our best Frontier deals on Boise to Chicago O'Hare Intl Airport flight tickets
Frontier
Sep 10
BOI12:59 pmBoise Air Term. Gowen Fld
7h 36m
1 stop
ORD9:35 pmChicago O'Hare Intl
Sep 14
ORD10:40 pmChicago O'Hare Intl
14h 24m
1 stop
BOI12:04 pmBoise Air Term. Gowen Fld
$334
Frontier
Aug 13
BOI1:24 pmBoise Air Term. Gowen Fld
17h 38m
2 stops
ORD8:02 amChicago O'Hare Intl
Aug 17
ORD9:57 pmChicago O'Hare Intl
15h 12m
1 stop
BOI12:09 pmBoise Air Term. Gowen Fld
$336
Frontier
Jun 25
BOI1:25 pmBoise Air Term. Gowen Fld
6h 18m
1 stop
ORD8:43 pmChicago O'Hare Intl
Jun 27
ORD9:48 pmChicago O'Hare Intl
15h 42m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
$337

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

Our best Alaska Airlines deals on Boise to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Jul 8
BOI8:00 pmBoise Air Term. Gowen Fld
16h 21m
1 stop
ORD1:21 pmChicago O'Hare Intl
Jul 14
ORD8:20 pmChicago O'Hare Intl
14h 20m
1 stop
BOI9:40 amBoise Air Term. Gowen Fld
$335
Alaska Airlines
Jun 17
BOI4:27 pmBoise Air Term. Gowen Fld
6h 32m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jun 20
ORD6:00 amChicago O'Hare Intl
7h 47m
1 stop
BOI12:47 pmBoise Air Term. Gowen Fld
$342
Alaska Airlines
Sep 4
BOI6:49 pmBoise Air Term. Gowen Fld
17h 33m
1 stop
ORD1:22 pmChicago O'Hare Intl
Sep 9
ORD6:00 amChicago O'Hare Intl
9h 22m
1 stop
BOI2:22 pmBoise Air Term. Gowen Fld
$345

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 June 6, 2026.
Use the filters below to find and compare flights from Boise to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 9/10

12:59 pm-9:35 pm

1 stop7h 36m

Chicago O'Hare Intl

Mon 9/14

10:40 pm-12:04 pm

1 stop14h 24m

$334

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 7/8

8:00 pm-1:21 pm

1 stop16h 21m

Chicago O'Hare Intl

Tue 7/14

8:20 pm-9:40 am

1 stop14h 20m

$335

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 8/13

1:24 pm-8:02 am

2 stops17h 38m

Chicago O'Hare Intl

Mon 8/17

9:57 pm-12:09 pm

1 stop15h 12m

$336

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 6/25

1:25 pm-8:43 pm

1 stop6h 18m

Chicago O'Hare Intl

Sat 6/27

9:48 pm-12:30 pm

1 stop15h 42m

$337

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 6/30

1:25 pm-8:43 pm

1 stop6h 18m

Chicago O'Hare Intl

Mon 7/6

9:57 pm-12:29 pm

1 stop15h 32m

$339

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 8/12

8:50 am-9:58 pm

2 stops12h 08m

Chicago O'Hare Intl

Wed 8/19

7:44 pm-11:59 pm

1 stop5h 15m

$340

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 7/9

6:00 am-6:29 pm

2 stops11h 29m

Chicago O'Hare Intl

Tue 7/14

6:55 am-3:11 pm

1 stop9h 16m

$341
Quickest round-trip

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 6/17

4:27 pm-11:59 pm

1 stop6h 32m

Chicago O'Hare Intl

Sat 6/20

6:00 am-12:47 pm

1 stop7h 47m

$342

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 7/14

1:24 pm-7:53 am

2 stops17h 29m

Chicago O'Hare Intl

Wed 7/15

9:57 pm-12:29 pm

1 stop15h 32m

$343

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 9/4

6:49 pm-1:22 pm

1 stop17h 33m

Chicago O'Hare Intl

Wed 9/9

6:00 am-2:22 pm

1 stop9h 22m

$345

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 Boise 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 typical price of a round-trip flight between Boise and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Boise averaging around $357.

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 $479. 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 Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $710.

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 Boise in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $431 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $643. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boise Air Term. Gowen Fld to Chicago O'Hare Intl flight route?

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

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Boise 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 Boise for as low as $138 on momondo.

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

There are 4 cabin classes available to choose from on Boise to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boise to Chicago O'Hare Intl Airport flight prices changed over time?

As of June 2026, prices for Boise to Chicago O'Hare Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Chicago O'Hare Intl Airport (BOI to ORD) flight deals and tips

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

Best Price Found

$236

Fastest flight time

3h 24m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Boise in the past 72 hours is $236. The best round-trip flight deal from Boise to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $434.
The fastest flight from Boise to Chicago O'Hare Intl Airport takes 3h 24m
Direct flights go from Boise to Chicago O'Hare Intl Airport every day.
Search flight deals

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

  • How far is Boise Air Term. Gowen Fld to Chicago O'Hare Intl by plane?

    The straight-line distance from Boise Air Term. Gowen Fld to Chicago O'Hare Intl is 1431.2 mi. 3h 24m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Chicago O'Hare Intl Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport 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 Boise Air Term. Gowen Fld Airport to Chicago O'Hare Intl Airport.

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

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Boise to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Boise to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Boise to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $168Free CancellationRating
7.8
8,395 reviews
Search Delta flights
Alaska AirlinesPriceFrom $224Free CancellationRating
7.9
12,469 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,775 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $269Free CancellationRating
7.1
11,651 reviews
Search American Airlines flights

  • United Airlines Flights From Boise to Chicago O'Hare Intl Airport

    United Airlines is one of the most popular airlines flying from Boise to Chicago O'Hare Intl Airport, operating 13 flights/week on average for this route. A good United Airlines flight deal for Boise to Chicago O'Hare Intl Airport starts from $239 round-trip, up to an average price of $464. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Boise to Chicago O'Hare Intl Airport

    American Airlines is also a popular choice for this route. American Airlines flight deals for Boise to Chicago O'Hare Intl Airport start from as low as $269 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $380. American Airlines operates 7 flights to Chicago O'Hare Intl Airport from Boise in an average week. Users have rated it 7.1/10 across 11,651 reviews.

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 Boise to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Boise.

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

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

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

Once all potential Boise to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Boise to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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