$101+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ORD
Mar 15 — Mar 221
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 February or August, booked 19 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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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 February 13, 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 February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:28 am
BOI
- ORD
1 stop6h 45m
Hawaiian Airlines
Tue 3/173:54 pm
ORD
- BOI
1 stop9h 05m
Hawaiian Airlines
Deal found 2/10![Hawaiian Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:45 pm
BOI
- ORD
1 stop7h 49m
Delta
Tue 3/317:10 pm
ORD
- BOI
1 stop5h 49m
Delta
Deal found 2/9![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/1110:35 am
BOI
- ORD
1 stop6h 30m
Delta
Wed 3/187:20 am
ORD
- BOI
2 stops12h 23m
Delta
Deal found 2/10![Delta logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:24 pm
BOI
- ORD
1 stop9h 36m
Alaska Airlines
Wed 9/236:00 am
ORD
- BOI
1 stop10h 05m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$229
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:36 pm
BOI
- ORD
1 stop9h 38m
Frontier
Thu 2/264:16 pm
ORD
- BOI
1 stop19h 55m
Frontier
Deal found 2/12![Frontier logo]()
$243
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:29 pm
BOI
- ORD
Nonstop3h 47m
American Airlines
Sat 4/119:54 am
ORD
- BOI
Nonstop3h 55m
American Airlines
Deal found 2/10![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 4/3010:45 am
BOI
- ORD
1 stop6h 22m
Delta
Thu 5/76:20 pm
ORD
- BOI
1 stop6h 35m
Delta
Deal found 2/10![Delta logo]()
$250
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:41 am
BOI
- ORD
2 stops9h 37m
Delta
Sat 5/28:50 am
ORD
- BOI
1 stop6h 36m
Delta
Deal found 2/9![Delta logo]()
$255
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:29 pm
BOI
- ORD
1 stop6h 01m
United Airlines
Sat 4/258:40 am
ORD
- BOI
Nonstop4h 09m
United Airlines
Deal found 2/10![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 3/65:31 pm
BOI
- ORD
1 stop5h 21m
United Airlines
Sat 3/77:40 pm
ORD
- BOI
Nonstop4h 16m
United Airlines
Deal found 2/11![United Airlines logo]()
$259
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 February 13, 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 February 13, 2026.
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:40 pm
BOI
- ORD
1 stop6h 12m
Delta
Tue 3/316:15 am
ORD
- BOI
1 stop8h 50m
Delta
Deal found 2/9![Delta logo]()
$221
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:29 pm
BOI
- ORD
1 stop6h 01m
United Airlines
Sat 4/258:40 am
ORD
- BOI
Nonstop4h 09m
United Airlines
Deal found 2/10![United Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 4/218:55 am
BOI
- ORD
2 stops9h 53m
Delta
Sat 4/2512:46 pm
ORD
- BOI
1 stop8h 09m
Delta
Deal found 2/10![Delta logo]()
$226
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 3/307:30 pm
BOI
- ORD
2 stops12h 10m
Delta
Fri 4/31:57 pm
ORD
- BOI
2 stops11h 02m
Delta
Deal found 2/10![Delta logo]()
$231
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 3/65:31 pm
BOI
- ORD
1 stop5h 21m
United Airlines
Sat 3/77:40 pm
ORD
- BOI
Nonstop4h 16m
United Airlines
Deal found 2/11![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:20 pm
BOI
- ORD
1 stop7h 39m
United Airlines
Sat 5/235:00 am
ORD
- BOI
1 stop5h 49m
United Airlines
Deal found 2/12![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:41 am
BOI
- ORD
2 stops9h 37m
Delta
Sat 5/28:50 am
ORD
- BOI
1 stop6h 36m
Delta
Deal found 2/9![Delta logo]()
$255
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:43 pm
BOI
- ORD
1 stop7h 01m
United Airlines
Sat 7/115:00 am
ORD
- BOI
1 stop5h 49m
United Airlines
Deal found 2/10![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 4/155:29 pm
BOI
- ORD
1 stop6h 01m
United Airlines
Wed 4/222:05 pm
ORD
- BOI
1 stop8h 17m
United Airlines
Deal found 2/11![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:45 am
BOI
- ORD
1 stop6h 22m
Delta
Sun 5/37:15 am
ORD
- BOI
1 stop6h 56m
Delta
Deal found 2/12![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:59 pm
BOI
- ORD
1 stop9h 09m
United Airlines
Sat 7/185:00 am
ORD
- BOI
1 stop5h 49m
United Airlines
Deal found 2/12![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:40 pm
BOI
- ORD
1 stop7h 00m
Delta
Sat 4/117:25 am
ORD
- BOI
1 stop6h 40m
Delta
Deal found 2/11![Delta logo]()
$269
Last-minute flights from Boise to O'Hare IntlDiscover last-minute flight deals from Boise to O'Hare Intl. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to O'Hare Intl. Data last updated February 13, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:36 pm
BOI
- ORD
1 stop9h 38m
Frontier
Thu 2/264:16 pm
ORD
- BOI
1 stop19h 55m
Frontier
Deal found 2/12![Frontier logo]()
$243
This Expedia deal was found by Cheapflights users on 2/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:30 am
BOI
- ORD
1 stop7h 03m
Alaska Airlines
Thu 3/53:54 pm
ORD
- BOI
1 stop9h 05m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:38 pm
BOI
- ORD
1 stop9h 36m
Frontier
Wed 3/184:40 pm
ORD
- BOI
2 stops19h 40m
Frontier
Deal found 2/12![Frontier logo]()
$265
This Expedia deal was found by Cheapflights users on 2/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
BOI
- ORD
1 stop15h 59m
Alaska Airlines
Wed 3/182:09 pm
ORD
- BOI
1 stop6h 37m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:28 am
BOI
- ORD
1 stop9h 05m
Alaska Airlines
Sat 3/72:07 pm
ORD
- BOI
1 stop10h 52m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 3/65:31 pm
BOI
- ORD
1 stop5h 21m
United Airlines
Sat 3/77:40 pm
ORD
- BOI
Nonstop4h 16m
United Airlines
Deal found 2/11![United Airlines logo]()
$259
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:28 am
BOI
- ORD
1 stop6h 45m
Hawaiian Airlines
Tue 3/173:54 pm
ORD
- BOI
1 stop9h 05m
Hawaiian Airlines
Deal found 2/10![Hawaiian Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/1110:35 am
BOI
- ORD
1 stop6h 30m
Delta
Wed 3/187:20 am
ORD
- BOI
2 stops12h 23m
Delta
Deal found 2/10![Delta logo]()
$226
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/204:40 pm
BOI
- ORD
1 stop6h 12m
Delta
Wed 3/252:20 pm
ORD
- BOI
1 stop8h 44m
Delta
Deal found 2/12![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:45 pm
BOI
- ORD
1 stop7h 49m
Delta
Tue 3/317:10 pm
ORD
- BOI
1 stop5h 49m
Delta
Deal found 2/9![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:00 am
BOI
- ORD
2 stops9h 34m
Delta
Sat 4/47:25 am
ORD
- BOI
1 stop6h 40m
Delta
Deal found 2/12![Delta logo]()
$274
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 February 13, 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 February 13, 2026.
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:38 pm
BOI
- ORD
1 stop9h 36m
Frontier
Deal found 2/11![Frontier logo]()
$101
This CheapOair deal was found by Cheapflights users on 2/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:53 am
BOI
- ORD
1 stop20h 57m
Frontier
Deal found 2/10![Frontier logo]()
$107
This WAYA deal was found by Cheapflights users on 2/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:38 pm
BOI
- ORD
1 stop9h 36m
Frontier
Deal found 2/10![Frontier logo]()
$108
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:30 pm
BOI
- ORD
1 stop9h 30m
Delta
Deal found 2/9![Delta logo]()
$111
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:32 pm
BOI
- ORD
1 stop7h 28m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 3/2410:35 am
BOI
- ORD
2 stops9h 59m
Delta
Deal found 2/10![Delta logo]()
$116
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:04 pm
BOI
- ORD
1 stop11h 35m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:03 pm
BOI
- ORD
1 stop24h 16m
Frontier
Deal found 2/11![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:53 am
BOI
- ORD
1 stop20h 57m
Frontier
Deal found 2/9![Frontier logo]()
$127
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:53 am
BOI
- ORD
1 stop20h 57m
Frontier
Deal found 2/12![Frontier logo]()
$128
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 5/77:43 am
BOI
- ORD
1 stop10h 20m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$135
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:29 pm
BOI
- ORD
Nonstop3h 47m
American Airlines
Deal found 2/10![American Airlines logo]()
$136
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Trip.com) |
One-way from | $101 (Frontier) |
Popular in | December |
Cheapest in | February |
Average price | $319 |
Good round-trip deal | $406 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 February 13, 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
Boise
Fly to
O'Hare Intl
Route
Depart
Return
Price
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Wed 3/25
4:40 pm-11:52 pm
1 stop6h 12m
Chicago O'Hare Intl
Tue 3/31
6:15 am-2:05 pm
1 stop8h 50m
$221
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 4/21
8:55 am-7:48 pm
2 stops9h 53m
Chicago O'Hare Intl
Sat 4/25
12:46 pm-7:55 pm
1 stop8h 09m
$226
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Mon 3/30
7:30 pm-8:40 am
2 stops12h 10m
Chicago O'Hare Intl
Fri 4/3
1:57 pm-11:59 pm
2 stops11h 02m
$231
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Mon 4/20
10:41 am-9:18 pm
2 stops9h 37m
Chicago O'Hare Intl
Sat 5/2
8:50 am-2:26 pm
1 stop6h 36m
$255
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 4/21
5:29 pm-12:30 am
1 stop6h 01m
Chicago O'Hare Intl
Sat 4/25
8:40 am-11:49 am
Nonstop4h 09m
$258
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Fri 3/6
5:31 pm-11:52 pm
1 stop5h 21m
Chicago O'Hare Intl
Sat 3/7
7:40 pm-10:56 pm
Nonstop4h 16m
$259
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 5/19
4:20 pm-12:59 am
1 stop7h 39m
Chicago O'Hare Intl
Sat 5/23
5:00 am-9:49 am
1 stop5h 49m
$269
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Sat 7/4
2:43 pm-10:44 pm
1 stop7h 01m
Chicago O'Hare Intl
Sat 7/11
5:00 am-9:49 am
1 stop5h 49m
$269
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Wed 4/15
5:29 pm-12:30 am
1 stop6h 01m
Chicago O'Hare Intl
Wed 4/22
2:05 pm-9:22 pm
1 stop8h 17m
$269
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 4/30
10:45 am-6:07 pm
1 stop6h 22m
Chicago O'Hare Intl
Sun 5/3
7:15 am-1:11 pm
1 stop6h 56m
$269
Showing 1-10 of 24 results
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 February.
| 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?
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 February 6, 2026.
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, May is the cheapest month in which you can book a flight from Boise to Chicago O'Hare Intl Airport (average of $87). Flying from Boise to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $288). 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 February 13, 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 52% 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 February 13, 2026.
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.
Overall
8.0
Entertainment
7.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Entertainment
7.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Entertainment
7.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Entertainment
7.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Entertainment
7.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Entertainment
7.0
Food
7.1
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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 locationsSchaumburg
Rosemont
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora
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Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to O'Hare Intl by cabin class
Find flights from Boise to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 February 13, 2026.
Boise and O'Hare Intl flights
Browse other Boise and O'Hare Intl flight options. Last updated on February 13, 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 February 13, 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$219 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$242 | Average$418 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$255 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$260 | Average$358 | FlexibilityNo cancel fee | On-time75% |