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O'Hare Intl

$51+ Cheap flights from Boise (BOI) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ORD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Chicago O'Hare Intl are usually found in February or September, booked 19 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from Boise to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$235
(Delta)

One-way from

$51
(Cheapflightsfares)

Popular in

November

Cheapest in

February

Average price

$336

Good round-trip deal

$361 or less

Good one-way deal

$208 or less
From Boise Air Term. Gowen Fld to Chicago O'Hare Intl
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One-way flight from Boise Air Term. Gowen Fld to Chicago O'Hare Intl
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Highest demand for flights based on searches. 17% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Chicago O'Hare Intl.
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Find flight deals from Boise to O'Hare Intl

Cheapest flights from Boise to O'Hare Intl
Explore the most affordable flight options available from Boise to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:45 pmBOI - ORD
2 stops11h 43mDelta
Tue 10/71:25 pmORD - BOI
2 stops11h 29mDelta
Deal found 8/17$235
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:22 pmBOI - ORD
1 stop10h 37mMultiple Airlines
Mon 10/66:35 amORD - BOI
1 stop14h 21mMultiple Airlines
Deal found 8/17$236
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:00 pmBOI - ORD
1 stop7h 43mDelta
Mon 11/106:00 pmORD - BOI
1 stop6h 59mDelta
Deal found 8/18$237
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:22 pmBOI - ORD
1 stop20h 15mMultiple Airlines
Sun 9/218:01 pmORD - BOI
1 stop25h 30mMultiple Airlines
Deal found 8/17$239
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:25 pmBOI - ORD
1 stop29h 29mMultiple Airlines
Mon 10/136:50 amORD - BOI
2 stops14h 06mMultiple Airlines
Deal found 8/17$240
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:26 pmBOI - ORD
1 stop20h 25mMultiple Airlines
Mon 9/226:00 amORD - BOI
2 stops15h 31mMultiple Airlines
Deal found 8/16$241
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:20 pmBOI - ORD
1 stop6h 35mDelta
Tue 10/71:25 pmORD - BOI
2 stops11h 29mDelta
Deal found 8/16$242
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:44 pmBOI - ORD
1 stop9h 10mUnited Airlines
Sat 10/48:50 amORD - BOI
Nonstop3h 49mUnited Airlines
Deal found 8/18$245
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:34 pmBOI - ORD
1 stop6h 29mAlaska Airlines
Mon 10/67:59 pmORD - BOI
1 stop16h 35mAlaska Airlines
Deal found 8/18$246
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:26 pmBOI - ORD
2 stops12h 16mSpirit Airlines
Sun 9/218:01 pmORD - BOI
1 stop25h 30mSpirit Airlines
Deal found 8/17$247

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 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

Boise

Fly to

O'Hare Intl

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 10/3

7:45 pm-8:28 am

2 stops11h 43m

Chicago O'Hare Intl

Tue 10/7

1:25 pm-11:54 pm

2 stops11h 29m

$235

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 10/2

12:22 pm-11:59 pm

1 stop10h 37m

Chicago O'Hare Intl

Mon 10/6

6:35 am-7:56 pm

1 stop14h 21m

$236

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 9/30

2:28 pm-10:07 pm

1 stop6h 39m

Chicago O'Hare Intl

Mon 10/6

7:59 pm-11:34 am

1 stop16h 35m

$236

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 10/3

12:22 pm-11:59 pm

1 stop10h 37m

Chicago O'Hare Intl

Mon 10/6

6:35 am-7:56 pm

1 stop14h 21m

$236

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 11/8

1:00 pm-9:43 pm

1 stop7h 43m

Chicago O'Hare Intl

Mon 11/10

6:00 pm-11:59 pm

1 stop6h 59m

$237

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 9/20

2:16 pm-9:32 pm

1 stop6h 16m

$51

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 9/12

9:26 pm-11:51 am

1 stop13h 25m

$79

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 9/19

12:22 pm-11:59 pm

1 stop10h 37m

$81

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 10/5

12:22 pm-11:59 pm

1 stop10h 37m

$81

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 9/25

12:22 pm-11:59 pm

1 stop10h 37m

$81

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 13 results
1
2

Best time to book a flight from Boise to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to O'Hare Intl. Price data was last updated on August 8, 2025.

The best time to book flights from Boise to Chicago O'Hare Intl Airport is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boise to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Boise to Chicago O'Hare Intl Airport (average of $245). Flying from Boise to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to ORD?

Find hourly flight availability from Boise to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Boise to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Boise to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boise to O'Hare Intl. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Boise to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boise to Chicago O'Hare Intl Airport

Explore weekly flight availability from Boise to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2025.

The most flights from BOI to ORD are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated August 18, 2025.
Read through reviews of airlines operating flights from Boise to Chicago O'Hare Intl Airport, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from Boise to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Chicago O'Hare Intl?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Chicago O'Hare Intl. On average, Air Term. Gowen Fld has 7 outbound flights to Chicago O'Hare Intl per day from 5 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • How long is the flight from Boise to Chicago O'Hare Intl Airport?

    For as low as $235, Delta can have you in Chicago O'Hare Intl Airport from Boise in 11h 43m. There are 1432 mi between Boise and Chicago O'Hare Intl Airport.

  • What are the cheapest airlines flying from Boise to Chicago O'Hare Intl Airport round-trip?

    Flying on Delta is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $139. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $224 and $234, respectively. These flights start at 64% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Boise to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Boise to Chicago O'Hare Intl Airport consider choosing SkyWest Airlines (82%), United Airlines (76%) or Air Canada (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boise to Chicago O'Hare Intl Airport?

    While on average a flight from Boise to Chicago O'Hare Intl Airport is generally $972, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), you can expect to pay $181 for that flight.

  • Can I find deals for flights from Boise to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Boise to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to O'Hare Intl.

  • Can I find deals for business class flights from Boise to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Boise to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Boise to Chicago O'Hare Intl Airport (average of $245). Flying from Boise to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Des Plaines
Elgin
Gurnee
Arlington Heights
Racine
Rockford
Great Lakes
Orland Park
Merrillville
Naperville
Waukegan
Elk Grove Village
Downers Grove
Tinley Park
Evanston

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Top 5 airlines flying from Boise to O'Hare Intl

Discover the top 5 airlines that operate flights from Boise to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$303FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$217Average$327FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$238Average$502FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$242Average$393FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$247Average$391FlexibilityNo cancel feeOn-time71%

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