$231+ Cheap flights from Ontario to Bellingham (ONT - BLI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BLI
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Bellingham 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 Ontario to Bellingham
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Best
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Cheapest flights from Ontario to BellinghamExplore the most affordable flight options available from Ontario to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Ontario to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/115:07 pm -
1 stop16h 28m
Sun 11/157:35 pm -
1 stop15h 41m
Deal found 10/27![Multiple Airlines logo]()
$279
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:59 pm -
1 stop6h 20m
Sat 1/27:20 pm -
1 stop4h 39m
Deal found 10/27![Alaska Airlines logo]()
$401
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:59 pm -
1 stop6h 20m
Fri 1/112:36 pm -
1 stop7h 30m
Deal found 10/27![Alaska Airlines logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop7h 26m
Thu 11/2612:18 pm -
1 stop4h 59m
Deal found 10/26![Alaska Airlines logo]()
$439
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:00 am -
1 stop8h 04m
Mon 12/287:20 pm -
1 stop4h 39m
Deal found 10/29![Alaska Airlines logo]()
$441
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:59 pm -
1 stop19h 48m
Sun 11/297:24 pm -
1 stop15h 47m
Deal found 10/26![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop7h 26m
Tue 12/15:14 am -
1 stop5h 59m
Deal found 10/26![Alaska Airlines logo]()
$463
This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:01 pm -
1 stop6h 37m
Sun 12/67:31 pm -
1 stop15h 42m
Deal found 10/25![Alaska Airlines logo]()
$465
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:50 am -
1 stop12h 08m
Thu 12/317:00 am -
1 stop8h 03m
Deal found 10/29![Alaska Airlines logo]()
$466
Best flights from Ontario to BellinghamDiscover carefully curated flight deals from Ontario to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Ontario to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:59 pm -
1 stop17h 05m
Sat 1/22:44 pm -
1 stop9h 15m
Deal found 10/28![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop7h 26m
Tue 12/15:14 am -
1 stop5h 59m
Deal found 10/26![Alaska Airlines logo]()
$463
This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:01 pm -
1 stop6h 37m
Sun 12/67:31 pm -
1 stop15h 42m
Deal found 10/25![Alaska Airlines logo]()
$465
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/154:16 pm -
1 stop4h 45m
Fri 1/2912:32 pm -
2 stops10h 09m
Deal found 10/27![Alaska Airlines logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:59 pm -
1 stop6h 20m
Fri 1/12:44 pm -
2 stops7h 30m
Deal found 10/27![Alaska Airlines logo]()
$483
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
1 stop12h 44m
Fri 12/47:31 pm -
1 stop15h 42m
Deal found 10/28![Alaska Airlines logo]()
$488
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:02 pm -
1 stop6h 47m
Fri 12/117:31 pm -
2 stops21h 25m
Deal found 10/27![Alaska Airlines logo]()
$574
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop7h 18m
Mon 11/232:06 pm -
1 stop5h 57m
Deal found 10/29![Alaska Airlines logo]()
$592
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:55 am -
1 stop6h 49m
Mon 11/302:06 pm -
1 stop5h 57m
Deal found 10/26![Alaska Airlines logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop7h 26m
Mon 11/302:06 pm -
1 stop5h 57m
Deal found 10/26![Alaska Airlines logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop7h 26m
Fri 11/272:06 pm -
1 stop5h 57m
Deal found 10/26![Alaska Airlines logo]()
$600
Last-minute flights from Ontario to BellinghamDiscover last-minute flight deals from Ontario to Bellingham. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Bellingham. Data last updated October 30, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop7h 18m
Tue 11/107:29 pm -
1 stop15h 49m
Deal found 10/27![Alaska Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/115:07 pm -
1 stop16h 28m
Sun 11/157:35 pm -
1 stop15h 41m
Deal found 10/27![Multiple Airlines logo]()
$279
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:02 pm -
1 stop6h 47m
Fri 12/117:31 pm -
1 stop15h 42m
Deal found 10/27![Alaska Airlines logo]()
$556
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
1 stop7h 26m
Tue 12/15:14 am -
1 stop5h 59m
Deal found 10/26![Alaska Airlines logo]()
$566
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:07 pm -
1 stop5h 52m
Thu 11/2612:18 pm -
1 stop4h 59m
Deal found 10/26![Alaska Airlines logo]()
$548
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop7h 26m
Thu 11/2612:18 pm -
1 stop4h 59m
Deal found 10/26![Alaska Airlines logo]()
$439
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:59 pm -
1 stop19h 48m
Sun 11/297:24 pm -
1 stop15h 47m
Deal found 10/26![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop7h 26m
Tue 12/15:14 am -
1 stop5h 59m
Deal found 10/26![Alaska Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
1 stop12h 44m
Fri 12/47:31 pm -
1 stop15h 42m
Deal found 10/28![Alaska Airlines logo]()
$488
One-way flights from Ontario to BellinghamSearch for one-way flight options from Ontario to Bellingham. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Ontario to Bellingham. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/193:59 pm -
1 stop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$231
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:02 pm -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:06 pm -
2 stops7h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$382
Find flight deals from Ontario to Bellingham
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Bellingham (BLI). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Kiwi.com) |
One-way from | $231 (Alaska Airlines) |
Popular in | February |
Cheapest in | March |
Average price | $397 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Bellingham 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 October 30, 2026.
Use the filters below to find and compare flights from Ontario to Bellingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Sat 12/19
3:59 pm-10:19 pm
1 stop6h 20m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$231
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Tue 11/17
12:02 pm-6:49 pm
1 stop6h 47m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$288
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Wed 11/18
4:06 pm-11:45 pm
2 stops7h 39m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$382
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Mon 12/21
8:59 pm-2:04 pm
1 stop17h 05m
Bellingham
Sat 1/2
2:44 pm-11:59 pm
1 stop9h 15m
$441
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Wed 11/25
6:00 am-1:26 pm
1 stop7h 26m
Bellingham
Tue 12/1
5:14 am-11:13 am
1 stop5h 59m
$463
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Fri 12/4
5:01 pm-11:38 pm
1 stop6h 37m
Bellingham
Sun 12/6
7:31 pm-11:13 am
1 stop15h 42m
$465
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Fri 1/15
4:16 pm-9:01 pm
1 stop4h 45m
Bellingham
Fri 1/29
12:32 pm-10:41 pm
2 stops10h 09m
$482
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Tue 12/22
3:59 pm-10:19 pm
1 stop6h 20m
Bellingham
Fri 1/1
2:44 pm-10:14 pm
2 stops7h 30m
$483
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Fri 11/27
6:00 am-6:44 pm
1 stop12h 44m
Bellingham
Fri 12/4
7:31 pm-11:13 am
1 stop15h 42m
$488
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Thu 11/19
12:02 pm-6:49 pm
1 stop6h 47m
Bellingham
Fri 12/11
7:31 pm-4:56 pm
2 stops21h 25m
$574
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Ontario to Bellingham
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 Ontario to Bellingham in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Bellingham flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Bellingham 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 Ontario-Bellingham 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 Ontario to Bellingham
Have a flexible travel schedule? Discover the best time to fly to Bellingham from Ontario with our price prediction graph.
ONT-BLI
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.
Reviews of airlines servicing Bellingham
Get insights into the airlines that provide service to Bellingham. 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 Bellingham. Reviews last updated October 30, 2026.
Read through reviews of airlines operating flights from Ontario to Bellingham, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
7.9
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Ontario to Bellingham. 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 Bellingham?
Book flights to Bellingham if you plan to visit one of these locationsMount Vernon
Ferndale
Blaine
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Bellingham
Explore flights to Bellingham departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Complete your trip
Complete your trip to Bellingham by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Bellingham by cabin class
Find flights from Ontario to Bellingham, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Bellingham flights
Browse other Ontario and Bellingham flight options. Last updated on October 30, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Ontario to Bellingham
Discover the top airline that operate flights from Ontario to Bellingham. 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$440 | FlexibilityNo cancel fee | On-time75% |