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Cheap flights from Boise to Chicago from $99

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 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Chicago

Cheap round-trip flights

Logo
9:26 pm - 11:51 amBOI-ORD
13h 25m1 stop
Logo
7:55 am - 8:31 pmORD-BOI
13h 36m2 stops
$234
Find Deal
vie., sep. 19 - lun., sep. 22
Delta Logo
5:42 am - 11:35 amBOI-ORD
4h 53m1 stop
Delta Logo
2:25 pm - 10:06 pmORD-BOI
8h 41m1 stop
$235Delta
Find Deal
dom., oct. 12 - jue., oct. 16
Alaska Airlines Logo
2:28 pm - 12:03 amBOI-ORD
8h 35m1 stop
Alaska Airlines Logo
7:59 pm - 11:34 amORD-BOI
16h 35m1 stop
$236Alaska Airlines
Find Deal
mar., sep. 30 - lun., oct. 6
Spirit Airlines Logo
9:26 pm - 11:51 amBOI-ORD
13h 25m1 stop
Spirit Airlines Logo
9:00 am - 8:31 pmORD-BOI
12h 31m1 stop
$237Spirit Airlines
Find Deal
vie., sep. 5 - lun., sep. 8
Spirit Airlines Logo
9:26 pm - 10:42 amBOI-ORD
12h 16m2 stops
Spirit Airlines Logo
9:00 am - 8:31 pmORD-BOI
12h 31m1 stop
$238Spirit Airlines
Find Deal
vie., sep. 19 - lun., sep. 22
American Airlines Logo
1:40 pm - 6:27 pmBOI-ORD
3h 47mnonstop
American Airlines Logo
9:55 am - 1:06 pmORD-BOI
4h 11mnonstop
$239American Airlines
Find Deal
jue., nov. 6 - lun., nov. 10
United Airlines Logo
2:12 pm - 11:15 pmBOI-ORD
8h 03m1 stop
United Airlines Logo
8:50 am - 11:39 amORD-BOI
3h 49mnonstop
$245United Airlines
Find Deal
jue., sep. 25 - sáb., sep. 27
Alaska Airlines Logo
4:34 pm - 12:03 amBOI-ORD
6h 29m1 stop
Alaska Airlines Logo
3:50 pm - 11:22 pmORD-BOI
8h 32m1 stop
$246Alaska Airlines
Find Deal
mié., oct. 1 - mié., oct. 8
United Airlines Logo
2:12 pm - 11:15 pmBOI-ORD
8h 03m1 stop
United Airlines Logo
6:15 am - 1:43 pmORD-BOI
8h 28m1 stop
$247United Airlines
Find Deal
jue., oct. 2 - mié., oct. 8
American Airlines Logo
1:40 pm - 6:27 pmBOI-ORD
3h 47mnonstop
American Airlines Logo
9:55 am - 1:06 pmORD-BOI
4h 11mnonstop
$255American Airlines
Find Deal
jue., nov. 6 - lun., nov. 10

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
Sep 30
BOI2:28 pmBoise Air Term. Gowen Fld
8h 35m
1 stop
ORD12:03 amChicago O'Hare Intl
Oct 6
ORD7:59 pmChicago O'Hare Intl
16h 35m
1 stop
BOI11:34 amBoise Air Term. Gowen Fld
$236
Find similar
Alaska Airlines
Oct 1
BOI4:34 pmBoise Air Term. Gowen Fld
6h 29m
1 stop
ORD12:03 amChicago O'Hare Intl
Oct 8
ORD3:50 pmChicago O'Hare Intl
8h 32m
1 stop
BOI11:22 pmBoise Air Term. Gowen Fld
$246
Find similar
Alaska Airlines
Sep 9
BOI2:28 pmBoise Air Term. Gowen Fld
8h 35m
1 stop
ORD12:03 amChicago O'Hare Intl
Sep 13
ORD2:07 pmChicago O'Hare Intl
10h 52m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$251
Find similar

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

Our best American Airlines deals on Boise to Chicago O'Hare Intl Airport flight tickets
American Airlines
Nov 6
BOI1:40 pmBoise Air Term. Gowen Fld
3h 47m
ORD6:27 pmChicago O'Hare Intl
Nov 10
ORD9:55 amChicago O'Hare Intl
4h 11m
BOI1:06 pmBoise Air Term. Gowen Fld
$239
Find similar
American Airlines
Nov 6
BOI1:40 pmBoise Air Term. Gowen Fld
3h 47m
ORD6:27 pmChicago O'Hare Intl
Nov 10
ORD9:55 amChicago O'Hare Intl
4h 11m
BOI1:06 pmBoise Air Term. Gowen Fld
$255
Find similar
American Airlines
Oct 22
BOI1:26 pmBoise Air Term. Gowen Fld
3h 48m
ORD6:14 pmChicago O'Hare Intl
Oct 26
ORD9:56 amChicago O'Hare Intl
3h 50m
BOI12:46 pmBoise Air Term. Gowen Fld
$276
Find similar

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 agosto 26, 2025.
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

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

vie. 9/19

9:26 pm-11:51 am

1 stop13h 25m

Chicago O'Hare Intl

lun. 9/22

7:55 am-8:31 pm

2 stops13h 36m

$234

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

dom. 10/12

5:42 am-11:35 am

1 stop4h 53m

Chicago O'Hare Intl

jue. 10/16

2:25 pm-10:06 pm

1 stop8h 41m

$235

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

mar. 9/30

2:28 pm-12:03 am

1 stop8h 35m

Chicago O'Hare Intl

lun. 10/6

7:59 pm-11:34 am

1 stop16h 35m

$236

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

vie. 9/5

9:26 pm-11:51 am

1 stop13h 25m

Chicago O'Hare Intl

lun. 9/8

9:00 am-8:31 pm

1 stop12h 31m

$237

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

vie. 9/19

9:26 pm-10:42 am

2 stops12h 16m

Chicago O'Hare Intl

lun. 9/22

9:00 am-8:31 pm

1 stop12h 31m

$238

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 11/6

1:40 pm-6:27 pm

Nonstop3h 47m

Chicago O'Hare Intl

lun. 11/10

9:55 am-1:06 pm

Nonstop4h 11m

$239

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 9/25

2:12 pm-11:15 pm

1 stop8h 03m

Chicago O'Hare Intl

sáb. 9/27

8:50 am-11:39 am

Nonstop3h 49m

$245

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

mié. 10/1

4:34 pm-12:03 am

1 stop6h 29m

Chicago O'Hare Intl

mié. 10/8

3:50 pm-11:22 pm

1 stop8h 32m

$246

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 10/2

2:12 pm-11:15 pm

1 stop8h 03m

Chicago O'Hare Intl

mié. 10/8

6:15 am-1:43 pm

1 stop8h 28m

$247

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 11/6

1:40 pm-6:27 pm

Nonstop3h 47m

Chicago O'Hare Intl

lun. 11/10

9:55 am-1:06 pm

Nonstop4h 11m

$255

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 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 $326.

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 $576. 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 $960.

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 $368 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $774. 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 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 $393 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 $251 on momondo.

What cabin class options are available on Boise Air Term. Gowen Fld to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Boise Air Term. Gowen Fld 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 Boise to Chicago O'Hare Intl Airport flights?

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

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

As of August 2025, prices for Boise to Chicago O'Hare Intl Airport flights are approximately 18% 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

$203

Fastest flight time

3h 24m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Boise in the past 72 hours is $203. The best round-trip flight deal from Boise to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $363.
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 on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • 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 33m 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 $139Free CancellationRating
7.9
7,979 reviews
Search Delta flights
Alaska AirlinesPriceFrom $224Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $231Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $247Free CancellationRating
7.2
10,000 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 14 flights/week on average for this route. A good United Airlines flight deal for Boise to Chicago O'Hare Intl Airport starts from $231 round-trip, up to an average price of $505. 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 $247 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $394. American Airlines operates 3 flights to Chicago O'Hare Intl Airport from Boise in an average week. Users have rated it 7.2/10 across 10,000 reviews.

Traveling to a place near Chicago?

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

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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