$122+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ORD
Aug 1 — Aug 81
Round-trip
1 adult, Economy
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Find cheap flights from Boise to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Chicago O'Hare Intl are usually found in August or September, booked 78 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Boise to O'Hare Intl
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Best
Last-minute
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Cheapest flights from Boise to O'Hare IntlExplore 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 July 2, 2026.
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 July 2, 2026.
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/101:59 pm
BOI
- ORD
1 stop8h 58m
Delta
Wed 8/267:44 pm
ORD
- BOI
1 stop5h 15m
Delta
Deal found 6/28![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/28. 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 8/126:49 am
BOI
- ORD
2 stops10h 30m
Delta
Wed 8/192:00 pm
ORD
- BOI
2 stops9h 30m
Delta
Deal found 6/28![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 6/28. 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 8/126:49 am
BOI
- ORD
2 stops10h 30m
Delta
Mon 8/245:56 pm
ORD
- BOI
1 stop6h 57m
Delta
Deal found 6/28![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/101:59 pm
BOI
- ORD
1 stop8h 58m
Delta
Mon 8/245:57 pm
ORD
- BOI
1 stop7h 02m
Delta
Deal found 6/28![Delta logo]()
$339
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:52 pm
BOI
- ORD
1 stop12h 50m
Frontier
Mon 10/126:50 am
ORD
- BOI
1 stop9h 07m
Frontier
Deal found 6/28![Frontier logo]()
$340
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 9/102:11 pm
BOI
- ORD
1 stop8h 48m
Delta
Mon 9/141:55 pm
ORD
- BOI
2 stops11h 04m
Delta
Deal found 6/28![Delta logo]()
$344
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:49 pm
BOI
- ORD
1 stop17h 33m
Alaska Airlines
Wed 9/97:00 pm
ORD
- BOI
1 stop15h 56m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 6/29. 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.
Mon 10/511:10 pm
BOI
- ORD
2 stops10h 29m
Delta
Thu 10/82:00 pm
ORD
- BOI
2 stops10h 59m
Delta
Deal found 6/29![Delta logo]()
$349
This deal was found by Cheapflights users on 6/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:29 pm
BOI
- ORD
1 stop7h 00m
Delta
Mon 8/247:48 am
ORD
- BOI
1 stop5h 26m
Delta
Deal found 6/30![Delta logo]()
$350
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 9/43:19 pm
BOI
- ORD
Nonstop3h 51m
American Airlines
Wed 9/911:35 am
ORD
- BOI
Nonstop3h 56m
American Airlines
Deal found 7/2![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 9/103:21 pm
BOI
- ORD
Nonstop3h 55m
American Airlines
Mon 9/1411:35 am
ORD
- BOI
Nonstop3h 56m
American Airlines
Deal found 7/1![American Airlines logo]()
$353
Best flights from Boise to O'Hare IntlDiscover carefully curated flight deals from Boise to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
Discover carefully curated flight deals from Boise to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
This Delta deal was found by Cheapflights users on 6/27. 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 10/710:34 am
BOI
- ORD
2 stops10h 26m
Delta
Tue 10/203:39 pm
ORD
- BOI
2 stops9h 20m
Delta
Deal found 6/27![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 10/224:19 pm
BOI
- ORD
1 stop6h 40m
Alaska Airlines
Sun 10/256:00 am
ORD
- BOI
1 stop7h 35m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 7/212:40 pm
BOI
- ORD
1 stop7h 09m
United Airlines
Fri 7/318:40 am
ORD
- BOI
Nonstop3h 52m
United Airlines
Deal found 6/28![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/27. 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 8/126:49 am
BOI
- ORD
2 stops10h 30m
Delta
Wed 8/193:25 pm
ORD
- BOI
2 stops9h 34m
Delta
Deal found 6/27![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/2012:24 pm
BOI
- ORD
Nonstop3h 39m
United Airlines
Sun 8/238:40 am
ORD
- BOI
Nonstop3h 48m
United Airlines
Deal found 6/30![United Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 8/117:04 am
BOI
- ORD
2 stops10h 53m
Alaska Airlines
Tue 8/118:20 pm
ORD
- BOI
1 stop14h 17m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 8/2311:10 pm
BOI
- ORD
2 stops10h 32m
Delta
Tue 8/257:48 am
ORD
- BOI
2 stops12h 00m
Delta
Deal found 6/28![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 10/2012:26 pm
BOI
- ORD
Nonstop3h 39m
United Airlines
Wed 10/218:40 am
ORD
- BOI
Nonstop3h 48m
United Airlines
Deal found 6/28![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/27. 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.
Thu 8/138:59 am
BOI
- ORD
1 stop7h 01m
Delta
Sun 8/236:00 am
ORD
- BOI
2 stops7h 14m
Delta
Deal found 6/27![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/30. 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 11/132:39 pm
BOI
- ORD
1 stop5h 34m
United Airlines
Mon 11/166:15 pm
ORD
- BOI
1 stop5h 27m
United Airlines
Deal found 6/30![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/29. 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.
Sun 8/2311:10 pm
BOI
- ORD
1 stop10h 03m
Delta
Thu 8/273:25 pm
ORD
- BOI
2 stops9h 34m
Delta
Deal found 6/29![Delta logo]()
$382
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 9/36:49 am
BOI
- ORD
2 stops10h 30m
Delta
Sat 9/58:28 am
ORD
- BOI
2 stops10h 24m
Delta
Deal found 6/28![Delta logo]()
$393
Last-minute flights from Boise to O'Hare IntlDiscover last-minute flight deals from Boise to O'Hare Intl. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to O'Hare Intl. Data last updated July 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:24 pm
BOI
- ORD
1 stop6h 28m
Multiple Airlines
Tue 8/48:20 pm
ORD
- BOI
1 stop14h 17m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$355
This Booking.com deal was found by Cheapflights users on 6/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:00 pm
BOI
- ORD
1 stop16h 21m
Alaska Airlines
Thu 8/68:20 pm
ORD
- BOI
1 stop14h 17m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 8/412:34 pm
BOI
- ORD
Nonstop3h 31m
United Airlines
Sat 8/88:40 am
ORD
- BOI
Nonstop3h 52m
United Airlines
Deal found 6/30![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 8/73:19 pm
BOI
- ORD
Nonstop3h 51m
American Airlines
Mon 8/1011:39 am
ORD
- BOI
Nonstop3h 50m
American Airlines
Deal found 6/28![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sun 8/93:19 pm
BOI
- ORD
Nonstop3h 51m
American Airlines
Sat 8/1511:12 am
ORD
- BOI
Nonstop3h 50m
American Airlines
Deal found 6/30![American Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/101:59 pm
BOI
- ORD
1 stop8h 58m
Delta
Wed 8/267:44 pm
ORD
- BOI
1 stop5h 15m
Delta
Deal found 6/28![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/101:59 pm
BOI
- ORD
1 stop8h 58m
Delta
Mon 8/245:57 pm
ORD
- BOI
1 stop7h 02m
Delta
Deal found 6/28![Delta logo]()
$339
This deal was found by Cheapflights users on 6/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:29 pm
BOI
- ORD
1 stop7h 00m
Delta
Mon 8/247:48 am
ORD
- BOI
1 stop5h 26m
Delta
Deal found 6/30![Delta logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 8/111:24 pm
BOI
- ORD
1 stop6h 28m
Frontier
Mon 8/248:11 pm
ORD
- BOI
2 stops17h 18m
Frontier
Deal found 6/28![Frontier logo]()
$358
This Delta deal was found by Cheapflights users on 6/28. 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 8/126:49 am
BOI
- ORD
2 stops10h 30m
Delta
Wed 8/192:00 pm
ORD
- BOI
2 stops9h 30m
Delta
Deal found 6/28![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 6/28. 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 8/126:49 am
BOI
- ORD
2 stops10h 30m
Delta
Mon 8/245:56 pm
ORD
- BOI
1 stop6h 57m
Delta
Deal found 6/28![Delta logo]()
$338
One-way flights from Boise to O'Hare IntlSearch for one-way flight options from Boise to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
Search for one-way flight options from Boise to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 9/2912:59 pm
BOI
- ORD
1 stop7h 36m
Frontier
Deal found 7/1![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 8/111:24 pm
BOI
- ORD
1 stop30h 28m
Frontier
Deal found 7/1![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 9/11:24 pm
BOI
- ORD
1 stop23h 12m
Frontier
Deal found 7/1![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 7/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
- ORD
1 stop6h 28m
Frontier
Deal found 7/2![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 7/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:52 pm
BOI
- ORD
1 stop12h 50m
Frontier
Deal found 7/1![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 6/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:24 pm
BOI
- ORD
1 stop19h 37m
Frontier
Deal found 6/28![Frontier logo]()
$136
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:24 pm
BOI
- ORD
1 stop6h 28m
Frontier
Deal found 7/2![Frontier logo]()
$140
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:24 pm
BOI
- ORD
1 stop6h 28m
Frontier
Deal found 7/2![Frontier logo]()
$142
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:24 pm
BOI
- ORD
1 stop24h 12m
Frontier
Deal found 7/2![Frontier logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 9/83:19 pm
BOI
- ORD
Nonstop3h 51m
American Airlines
Deal found 6/28![American Airlines logo]()
$154
Find 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 July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Delta) |
One-way from | $122 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $402 |
Good round-trip deal | $410 or less |
Good one-way deal | $293 or less |
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 July 2, 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
Cheapest round-trip
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Wed 10/7
10:34 am-10:00 pm
2 stops10h 26m
Chicago O'Hare Intl
Tue 10/20
3:39 pm-11:59 pm
2 stops9h 20m
$337
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Wed 8/12
6:49 am-6:19 pm
2 stops10h 30m
Chicago O'Hare Intl
Wed 8/19
3:25 pm-11:59 pm
2 stops9h 34m
$337
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 10/22
4:19 pm-11:59 pm
1 stop6h 40m
Chicago O'Hare Intl
Sun 10/25
6:00 am-12:35 pm
1 stop7h 35m
$344
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 7/21
2:40 pm-10:49 pm
1 stop7h 09m
Chicago O'Hare Intl
Fri 7/31
8:40 am-11:32 am
Nonstop3h 52m
$361
Quickest round-trip
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 8/20
12:24 pm-5:03 pm
Nonstop3h 39m
Chicago O'Hare Intl
Sun 8/23
8:40 am-11:28 am
Nonstop3h 48m
$374
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Sun 8/23
11:10 pm-10:42 am
2 stops10h 32m
Chicago O'Hare Intl
Tue 8/25
7:48 am-6:48 pm
2 stops12h 00m
$381
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 8/13
8:59 am-5:00 pm
1 stop7h 01m
Chicago O'Hare Intl
Sun 8/23
6:00 am-12:14 pm
2 stops7h 14m
$382
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Sun 8/23
11:10 pm-10:13 am
1 stop10h 03m
Chicago O'Hare Intl
Thu 8/27
3:25 pm-11:59 pm
2 stops9h 34m
$382
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 9/3
6:49 am-6:19 pm
2 stops10h 30m
Chicago O'Hare Intl
Sat 9/5
8:28 am-5:52 pm
2 stops10h 24m
$393
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 10/20
12:26 pm-5:05 pm
Nonstop3h 39m
Chicago O'Hare Intl
Wed 10/21
8:40 am-11:28 am
Nonstop3h 48m
$397
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Boise to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to O'Hare Intl in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BOI-ORD
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
Prices
Airlines
How far ahead should I book a flight from Boise to Chicago O'Hare Intl Airport?
The best time to book flights from Boise to Chicago O'Hare Intl Airport is 90 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 $355). Flying from Boise to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $474). 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 July 2, 2026.
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 37% on your trip compared to booking a flight in the evening.
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 July 2, 2026.
Read through reviews of airlines operating flights from Boise to Chicago O'Hare Intl Airport, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
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.
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 locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
South Holland
Libertyville
Hoffman Estates
Warrenville
Rockford
Racine
Great Lakes
Northbrook
Waukegan
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 2, 2026.
Boise and O'Hare Intl flights
Browse other Boise and O'Hare Intl flight options. Last updated on July 2, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on July 2, 2026.
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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 July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$243 | Average$465 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$390 | FlexibilityNo cancel fee | On-time75% |