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O'Hare Intl

$91+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 April, booked 52 days in advance, depart on a Saturday 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 June 12, 2025.

Round-trip from

$191
(Cheapflightsfares)

One-way from

$91
(Delta)

Popular in

November

Cheapest in

February

Average price

$411

Good round-trip deal

$385 or less

Good one-way deal

$214 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. 16% potential increase in price ($76 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 June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:49 pmBOI - ORD
1 stop15h 27mSpirit Airlines
Mon 10/66:00 amORD - BOI
1 stop15h 44mSpirit Airlines
Deal found 6/11$189
This Delta deal was found by Cheapflights users on 6/10. 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 10/311:30 pmBOI - ORD
1 stop8h 04mDelta
Sat 10/117:30 amORD - BOI
1 stop9h 59mDelta
Deal found 6/10$195
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:00 pmBOI - ORD
1 stop6h 39mHawaiian Airlines
Wed 8/66:00 amORD - BOI
1 stop10h 04mHawaiian Airlines
Deal found 6/11$229
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 10/24:00 pmBOI - ORD
1 stop12h 00mAlaska Airlines
Tue 10/78:20 amORD - BOI
1 stop15h 51mAlaska Airlines
Deal found 6/9$253
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:08 pmBOI - ORD
1 stop21h 09mMultiple Airlines
Mon 8/183:21 pmORD - BOI
1 stop6h 23mMultiple Airlines
Deal found 6/10$262
This FlightHub deal was found by Cheapflights users on 6/11. 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 6/2612:36 pmBOI - ORD
1 stop10h 23mFrontier
Sun 6/295:40 amORD - BOI
1 stop7h 07mFrontier
Deal found 6/11$270
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:07 pmBOI - ORD
Nonstop3h 33mAmerican Airlines
Tue 9/29:40 amORD - BOI
Nonstop3h 39mAmerican Airlines
Deal found 6/12$274
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/127:15 pmBOI - ORD
1 stop9h 24mUnited Airlines
Sat 7/198:45 amORD - BOI
Nonstop3h 58mUnited Airlines
Deal found 6/11$277
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:05 pmBOI - ORD
2 stops9h 00mSouthwest
Tue 10/712:40 pmORD - BOI
2 stops10h 30mSouthwest
Deal found 6/12$363

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 June 12, 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

Sat 9/6

9:49 pm-2:16 pm

1 stop15h 27m

Chicago O'Hare Intl

Sat 9/13

6:00 am-8:44 pm

1 stop15h 44m

$191

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 7/15

4:20 pm-11:56 pm

1 stop6h 36m

Chicago O'Hare Intl

Tue 7/22

7:20 pm-12:09 am

1 stop5h 49m

$195

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 8/5

4:00 pm-11:39 pm

1 stop6h 39m

Chicago O'Hare Intl

Wed 8/6

6:00 am-3:04 pm

1 stop10h 04m

$229

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 8/7

7:08 pm-5:17 pm

1 stop21h 09m

Chicago O'Hare Intl

Mon 8/18

3:21 pm-8:44 pm

1 stop6h 23m

$262

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 9/1

5:45 pm-10:04 pm

1 stop27h 19m

Chicago O'Hare Intl

Tue 9/9

10:00 am-5:18 pm

1 stop8h 18m

$264

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 6/26

12:36 pm-11:59 pm

1 stop10h 23m

Chicago O'Hare Intl

Sun 6/29

5:40 am-11:47 am

1 stop7h 07m

$270

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 8/30

1:07 pm-5:40 pm

Nonstop3h 33m

Chicago O'Hare Intl

Tue 9/2

9:40 am-12:19 pm

Nonstop3h 39m

$274

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 7/12

7:15 pm-5:39 am

1 stop9h 24m

Chicago O'Hare Intl

Sat 7/19

8:45 am-11:43 am

Nonstop3h 58m

$277

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 7/30

1:35 pm-11:05 pm

2 stops8h 30m

Chicago O'Hare Intl

Thu 8/7

5:25 pm-12:25 am

1 stop8h 00m

$371

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 9/2

4:20 pm-11:51 pm

1 stop6h 31m

$91

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 18 results
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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 June 9, 2025.

The best time to book flights from Boise to Chicago O'Hare Intl Airport is 52 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 June 12, 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 evening. If you’re flexible enough to do this you can expect to save up to 64% 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 June 8, 2025.

Travelers seeking maximum savings on their Boise to Chicago O'Hare Intl Airport flight should consider departing on Tuesday 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 June 12, 2025.

The most flights from BOI to ORD are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Boise to Chicago, 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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 9 outbound flights to Chicago O'Hare Intl per day from 4 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

    Flying on Spirit Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $191. Additional round-trip tickets that might be worth considering are offered by Delta and Hawaiian Airlines, with the lowest prices starting at $195 and $229, respectively. These flights start at 52% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boise to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as $91 on Delta. Other airlines that offer cheap prices include Spirit Airlines from $95 and Southwest from $96 one-way.

  • 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 (92%), Air Canada (91%) or Lufthansa (91%) 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 $1,292, our data shows the cheapest flight currently is $167. When looking at the most popular route, (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), you can expect to pay $182 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

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Top 4 airlines flying from Boise to O'Hare Intl

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$289FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$382FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$217Average$327FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$248Average$500FlexibilityNo cancel feeOn-time69%

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