$159+ Cheap flights from Billings (BIL) 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Billings 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.Cheap flight deals from Billings to O'Hare Intl
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Cheapest flights from Billings to O'Hare IntlExplore the most affordable flight options available from Billings to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
Explore the most affordable flight options available from Billings to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/212:28 pm -
1 stop7h 18m
Sat 10/318:40 am -
1 stop5h 49m
Deal found 8/25![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 8/22. 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 9/266:23 am -
1 stop7h 06m
Wed 9/3012:29 pm -
2 stops11h 05m
Deal found 8/22![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 8/26. 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 9/265:20 am -
1 stop5h 35m
Sat 10/33:29 pm -
1 stop5h 38m
Deal found 8/26![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 8/25. 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 10/216:30 am -
1 stop4h 10m
Sat 10/2411:19 am -
2 stops9h 56m
Deal found 8/25![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 8/25. 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 11/412:58 pm -
2 stops9h 59m
Wed 11/118:04 am -
2 stops10h 45m
Deal found 8/25![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 8/23. 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 9/305:20 am -
1 stop5h 35m
Mon 10/55:50 pm -
1 stop6h 25m
Deal found 8/23![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/25. 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 9/295:20 am -
1 stop5h 35m
Sat 10/33:29 pm -
1 stop5h 38m
Deal found 8/25![Delta logo]()
$330
This Delta deal was found by Cheapflights users on 8/25. 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 10/215:20 am -
1 stop5h 35m
Sun 11/17:35 am -
1 stop5h 43m
Deal found 8/25![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/265:00 am -
1 stop5h 28m
Tue 9/292:30 pm -
1 stop7h 40m
Deal found 8/22![United Airlines logo]()
$338
Best flights from Billings to O'Hare IntlDiscover carefully curated flight deals from Billings to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Billings to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 9/265:20 am -
2 stops10h 39m
Wed 9/3012:29 pm -
2 stops11h 05m
Deal found 8/22![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/94:00 pm -
1 stop6h 59m
Sun 10/115:00 am -
1 stop5h 46m
Deal found 8/25![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 8/22. 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 9/255:20 am -
1 stop5h 35m
Mon 9/285:50 pm -
1 stop6h 25m
Deal found 8/22![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/252:28 pm -
1 stop6h 24m
Sun 9/275:00 am -
1 stop5h 46m
Deal found 8/22![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 8/23. 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 9/236:23 am -
1 stop7h 42m
Wed 9/3012:29 pm -
2 stops11h 05m
Deal found 8/23![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 8/24. 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 9/36:26 am -
1 stop7h 33m
Tue 9/86:24 pm -
1 stop5h 51m
Deal found 8/24![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:29 pm -
1 stop6h 00m
Wed 9/165:00 am -
1 stop5h 41m
Deal found 8/27![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 8/24. 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 9/125:20 am -
1 stop5h 35m
Wed 9/168:25 am -
1 stop15h 50m
Deal found 8/24![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 8/26. 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 10/106:16 am -
2 stops11h 55m
Sat 10/177:00 am -
2 stops11h 49m
Deal found 8/26![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 8/26. 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 9/95:20 am -
2 stops9h 53m
Sat 9/122:00 pm -
2 stops9h 41m
Deal found 8/26![Delta logo]()
$488
Last-minute flights from Billings to O'Hare IntlDiscover last-minute flight deals from Billings to O'Hare Intl. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to O'Hare Intl. Data last updated August 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/24. 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 9/36:26 am -
1 stop7h 33m
Tue 9/86:24 pm -
1 stop5h 51m
Deal found 8/24![Delta logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:22 pm -
Nonstop3h 01m
Mon 9/79:40 am -
Nonstop3h 10m
Deal found 8/27![American Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 8/23. 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 9/46:26 am -
1 stop7h 33m
Sat 9/58:05 am -
2 stops10h 39m
Deal found 8/23![Delta logo]()
$426
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/412:22 pm -
Nonstop3h 01m
Sat 9/51:50 pm -
1 stop9h 19m
Deal found 8/23![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/412:22 pm -
Nonstop3h 01m
Sun 9/69:40 am -
Nonstop3h 10m
Deal found 8/23![American Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/44:40 pm -
1 stop6h 19m
Sun 9/63:56 pm -
1 stop6h 04m
Deal found 8/23![United Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/41:13 pm -
1 stop7h 03m
Mon 9/79:40 am -
Nonstop3h 10m
Deal found 8/25![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/512:22 pm -
Nonstop3h 01m
Mon 9/79:40 am -
Nonstop3h 10m
Deal found 8/23![American Airlines logo]()
$466
One-way flights from Billings to O'Hare IntlSearch for one-way flight options from Billings to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Billings to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/128:52 pm -
2 stops32h 42m
Deal found 8/24![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/285:22 pm -
1 stop11h 16m
Deal found 8/23![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:59 pm -
1 stop8h 17m
Deal found 8/27![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/215:22 pm -
1 stop11h 16m
Deal found 8/24![Multiple Airlines logo]()
$178
This Trip.com deal was found by Cheapflights users on 8/25. 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.
Fri 9/185:11 pm -
1 stop11h 27m
Deal found 8/25![Multiple Airlines logo]()
$205
Find flight deals from Billings to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (United Airlines) |
One-way from | $159 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $517 |
Good round-trip deal | $472 or less |
Good one-way deal | $328 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Billings 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 7,457,451 searches. Data last updated August 27, 2026.
Use the filters below to find and compare flights from Billings to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Sat 9/26
5:20 am-4:59 pm
2 stops10h 39m
Chicago O'Hare Intl
Wed 9/30
12:29 pm-10:34 pm
2 stops11h 05m
$291
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Fri 9/25
5:20 am-11:55 am
1 stop5h 35m
Chicago O'Hare Intl
Mon 9/28
5:50 pm-11:15 pm
1 stop6h 25m
$343
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Fri 10/9
4:00 pm-11:59 pm
1 stop6h 59m
Chicago O'Hare Intl
Sun 10/11
5:00 am-9:46 am
1 stop5h 46m
$387
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Wed 9/23
6:23 am-3:05 pm
1 stop7h 42m
Chicago O'Hare Intl
Wed 9/30
12:29 pm-10:34 pm
2 stops11h 05m
$405
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Fri 9/25
2:28 pm-9:52 pm
1 stop6h 24m
Chicago O'Hare Intl
Sun 9/27
5:00 am-9:46 am
1 stop5h 46m
$418
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Thu 9/3
6:26 am-2:59 pm
1 stop7h 33m
Chicago O'Hare Intl
Tue 9/8
6:24 pm-11:15 pm
1 stop5h 51m
$421
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Sat 9/12
5:20 am-11:55 am
1 stop5h 35m
Chicago O'Hare Intl
Wed 9/16
8:25 am-11:15 pm
1 stop15h 50m
$441
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Sat 10/10
6:16 am-7:11 pm
2 stops11h 55m
Chicago O'Hare Intl
Sat 10/17
7:00 am-5:49 pm
2 stops11h 49m
$459
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Wed 9/9
5:20 am-4:13 pm
2 stops9h 53m
Chicago O'Hare Intl
Sat 9/12
2:00 pm-10:41 pm
2 stops9h 41m
$488
Quickest round-trip
BillingsChicago
BIL Billings Logan Intl - ORD Chicago O'Hare Intl
BILORD
Billings Logan Intl
Sat 9/12
2:29 pm-9:29 pm
1 stop6h 00m
Chicago O'Hare Intl
Wed 9/16
5:00 am-9:41 am
1 stop5h 41m
$515
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Billings 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 Billings to O'Hare Intl in August.
| 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 Billings-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 Billings-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-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 Billings-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 Billings to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Billings with our price prediction graph.
BIL-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 Billings to Chicago O'Hare Intl Airport
Prices
Airlines
What is the cheapest month to book a flight from Billings to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $279). Flying from Billings to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $658). 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 BIL to ORD?
Find hourly flight availability from Billings 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 27, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Billings to Chicago O'Hare Intl Airport as you normally would.
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 27, 2026.
Read through reviews of airlines operating flights from Billings to Chicago O'Hare Intl Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Billings 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
Naperville
Lake Geneva
Schaumburg
Oak Brook
Oakbrook Terrace
Delavan
South Holland
Libertyville
Glenview
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
Racine
Great Lakes
Janesville
Gurnee
Browse thousands of different options on Cheapflights for your next trip
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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 August 27, 2026.
Billings and O'Hare Intl flights
Browse other Billings and O'Hare Intl flight options. Last updated on August 27, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Billings to O'Hare Intl
Discover the top 3 airlines that operate flights from Billings 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$311 | Average$473 | FlexibilityNo cancel fee | On-time71% |