$148+ Cheap flights from Bellingham to Ontario (BLI - ONT)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ONT
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Bellingham to Ontario with Cheapflights
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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
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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 Bellingham to Ontario
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Cheapest flights from Bellingham to OntarioExplore the most affordable flight options available from Bellingham to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Bellingham to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Trip.com deal was found by Cheapflights users on 8/8. 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 10/237:18 pm -
1 stop4h 24m
Wed 10/285:30 pm -
1 stop5h 05m
Deal found 8/8![Alaska Airlines logo]()
$377
This Booking.com deal was found by Cheapflights users on 8/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:46 pm -
1 stop4h 29m
Mon 12/76:10 pm -
1 stop4h 41m
Deal found 8/10![Alaska Airlines logo]()
$386
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:14 am -
1 stop5h 55m
Tue 12/87:30 am -
1 stop4h 36m
Deal found 8/11![Alaska Airlines logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/137:18 pm -
1 stop17h 58m
Sat 10/176:02 am -
1 stop7h 35m
Deal found 8/13![Alaska Airlines logo]()
$432
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:06 pm -
1 stop4h 57m
Sun 10/46:02 am -
1 stop7h 35m
Deal found 8/10![Alaska Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Mon 10/197:18 pm -
1 stop4h 24m
Thu 10/226:56 pm -
1 stop4h 57m
Deal found 8/10![Alaska Airlines logo]()
$451
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:20 pm -
1 stop4h 36m
Wed 1/276:00 am -
1 stop6h 17m
Deal found 8/10![Alaska Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 8/275:53 pm -
1 stop14h 10m
Mon 8/313:40 pm -
1 stop5h 24m
Deal found 8/11![Multiple Airlines logo]()
$475
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:16 am -
1 stop5h 01m
Sun 10/116:02 am -
1 stop7h 35m
Deal found 8/11![Alaska Airlines logo]()
$478
This Booking.com deal was found by Cheapflights users on 8/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:26 pm -
1 stop15h 50m
Tue 9/2210:47 am -
1 stop11h 44m
Deal found 8/11![Alaska Airlines logo]()
$483
Best flights from Bellingham to OntarioDiscover carefully curated flight deals from Bellingham to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Bellingham to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/107:26 pm -
1 stop23h 37m
Fri 9/186:14 pm -
1 stop4h 17m
Deal found 8/8![Alaska Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 8/161:28 pm -
1 stop18h 35m
Sat 8/228:48 am -
2 stops32h 15m
Deal found 8/8![Multiple Airlines logo]()
$554
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 9/217:00 am -
2 stops31h 16m
Thu 9/246:14 pm -
1 stop4h 17m
Deal found 8/8![Alaska Airlines logo]()
$531
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:26 pm -
1 stop15h 50m
Fri 9/186:14 pm -
1 stop4h 17m
Deal found 8/12![Alaska Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 8/287:30 am -
1 stop9h 40m
Sun 8/303:07 pm -
1 stop8h 52m
Deal found 8/8![Alaska Airlines logo]()
$593
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 am -
1 stop26h 18m
Mon 9/76:02 am -
1 stop7h 10m
Deal found 8/12![Alaska Airlines logo]()
$594
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 10/35:16 am -
1 stop8h 00m
Sun 10/42:13 pm -
1 stop4h 25m
Deal found 8/10![Alaska Airlines logo]()
$611
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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.
Sun 9/65:26 am -
1 stop5h 38m
Sun 9/1312:12 pm -
2 stops10h 19m
Deal found 8/9![Alaska Airlines logo]()
$615
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 9/137:26 pm -
2 stops24h 58m
Thu 9/1710:47 am -
2 stops12h 57m
Deal found 8/10![Alaska Airlines logo]()
$649
Last-minute flights from Bellingham to OntarioDiscover last-minute flight deals from Bellingham to Ontario. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Bellingham to Ontario. Data last updated August 13, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 8/145:26 pm -
1 stop5h 45m
Wed 8/1912:00 pm -
1 stop6h 39m
Deal found 8/10![Alaska Airlines logo]()
$559
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/155:26 pm -
1 stop5h 45m
Wed 8/1912:00 pm -
1 stop6h 39m
Deal found 8/10![Alaska Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 8/275:53 pm -
1 stop14h 10m
Mon 8/313:40 pm -
1 stop5h 24m
Deal found 8/11![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:27 pm -
1 stop7h 00m
Tue 9/13:13 pm -
2 stops46h 28m
Deal found 8/13![Multiple Airlines logo]()
$498
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/41:52 pm -
1 stop5h 11m
Mon 9/76:02 am -
1 stop7h 10m
Deal found 8/10![Alaska Airlines logo]()
$538
This Priceline deal was found by Cheapflights users on 8/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:26 am -
1 stop5h 38m
Sun 9/136:14 pm -
1 stop4h 17m
Deal found 8/9![Alaska Airlines logo]()
$541
This Booking.com deal was found by Cheapflights users on 8/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:26 pm -
1 stop15h 50m
Tue 9/153:14 pm -
1 stop8h 30m
Deal found 8/11![Alaska Airlines logo]()
$483
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/107:26 pm -
1 stop23h 37m
Fri 9/186:14 pm -
1 stop4h 17m
Deal found 8/8![Alaska Airlines logo]()
$524
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 9/217:00 am -
2 stops31h 16m
Thu 9/246:14 pm -
1 stop4h 17m
Deal found 8/8![Alaska Airlines logo]()
$531
One-way flights from Bellingham to OntarioSearch for one-way flight options from Bellingham to Ontario. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Bellingham to Ontario. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 10/14:58 pm -
1 stop18h 24m
Deal found 8/11![Multiple Airlines logo]()
$148
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Thu 8/275:53 pm -
1 stop14h 10m
Deal found 8/10![Multiple Airlines logo]()
$176
This Trip.com deal was found by Cheapflights users on 8/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am -
1 stop14h 27m
Deal found 8/9![Multiple Airlines logo]()
$189
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:06 pm -
1 stop4h 57m
Deal found 8/11![Alaska Airlines logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/157:26 pm -
2 stops20h 21m
Deal found 8/13![Alaska Airlines logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/147:26 pm -
2 stops20h 21m
Deal found 8/13![Alaska Airlines logo]()
$273
Find flight deals from Bellingham to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to Ontario (ONT). 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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 (Trip.com) |
One-way from | $148 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $330 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bellingham to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Bellingham to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Thu 9/10
7:26 pm-7:03 pm
1 stop23h 37m
Ontario
Fri 9/18
6:14 pm-10:31 pm
1 stop4h 17m
$524
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Mon 9/21
7:00 am-2:16 pm
2 stops31h 16m
Ontario
Thu 9/24
6:14 pm-10:31 pm
1 stop4h 17m
$531
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Sun 8/16
1:28 pm-8:03 am
1 stop18h 35m
Ontario
Sat 8/22
8:48 am-5:03 pm
2 stops32h 15m
$554
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Fri 9/11
7:26 pm-11:16 am
1 stop15h 50m
Ontario
Fri 9/18
6:14 pm-10:31 pm
1 stop4h 17m
$561
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Fri 8/28
7:30 am-5:10 pm
1 stop9h 40m
Ontario
Sun 8/30
3:07 pm-11:59 pm
1 stop8h 52m
$593
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Fri 9/4
7:30 am-9:48 am
1 stop26h 18m
Ontario
Mon 9/7
6:02 am-1:12 pm
1 stop7h 10m
$594
Quickest round-trip
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Sat 10/3
5:16 am-1:16 pm
1 stop8h 00m
Ontario
Sun 10/4
2:13 pm-6:38 pm
1 stop4h 25m
$611
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Sun 9/6
5:26 am-11:04 am
1 stop5h 38m
Ontario
Sun 9/13
12:12 pm-10:31 pm
2 stops10h 19m
$615
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Sun 9/13
7:26 pm-8:24 pm
2 stops24h 58m
Ontario
Thu 9/17
10:47 am-11:44 pm
2 stops12h 57m
$649
Cheapest one-way
BellinghamOntario
BLI Bellingham - ONT Ontario
BLIONT
Bellingham
Thu 10/1
4:58 pm-11:22 am
1 stop18h 24m
$151
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Bellingham to Ontario
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 Bellingham to Ontario in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Bellingham-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bellingham-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bellingham-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bellingham-Ontario 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 Bellingham-Ontario 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 Bellingham to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Bellingham with our price prediction graph.
BLI-ONT
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.
Related info for your journey
Find useful and relevant information for your journey from Bellingham to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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