$221+ Cheap flights from Ontario to Bellingham (ONT - BLI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BLI
Sep 30 — Oct 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 August 31, 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 August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:35 pm -
1 stop26h 59m
Sun 10/114:58 pm -
1 stop14h 06m
Deal found 8/28![Multiple Airlines logo]()
$265
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.
Thu 9/248:24 pm -
1 stop16h 47m
Thu 10/14:58 pm -
1 stop14h 06m
Deal found 8/27![Multiple Airlines logo]()
$324
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:30 pm -
1 stop22h 41m
Mon 9/147:00 am -
1 stop26h 09m
Deal found 8/26![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:07 pm -
2 stops25h 04m
Sun 9/207:30 am -
1 stop23h 34m
Deal found 8/29![Multiple Airlines logo]()
$353
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.
Fri 9/112:30 pm -
1 stop5h 42m
Fri 9/257:00 am -
1 stop26h 09m
Deal found 8/27![Multiple Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 11/267:12 am -
1 stop4h 26m
Wed 12/212:46 pm -
1 stop4h 29m
Deal found 8/28![Alaska Airlines logo]()
$386
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:56 pm -
1 stop4h 57m
Mon 10/127:18 pm -
1 stop4h 24m
Deal found 8/27![Alaska Airlines logo]()
$411
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 August 31, 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 August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:07 pm -
2 stops25h 04m
Sun 9/207:30 am -
1 stop23h 34m
Deal found 8/29![Multiple Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:56 pm -
1 stop4h 57m
Mon 10/127:18 pm -
1 stop4h 24m
Deal found 8/30![Alaska Airlines logo]()
$411
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.
Fri 9/118:00 am -
1 stop12h 12m
Fri 9/257:00 am -
2 stops12h 36m
Deal found 8/27![Multiple Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:15 am -
1 stop4h 51m
Sun 11/85:14 am -
1 stop6h 04m
Deal found 8/29![Alaska Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 11/267:12 am -
1 stop4h 26m
Tue 12/112:46 pm -
1 stop4h 29m
Deal found 8/28![Alaska Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 9/216:02 am -
1 stop7h 24m
Sat 9/262:06 pm -
1 stop4h 57m
Deal found 8/31![Alaska Airlines logo]()
$460
Last-minute flights from Ontario to BellinghamDiscover last-minute flight deals from Ontario to Bellingham. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Bellingham. Data last updated August 31, 2026 and is based on user searches.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:02 am -
1 stop7h 10m
Thu 9/102:06 pm -
1 stop4h 57m
Deal found 8/27![Alaska Airlines logo]()
$480
This Travelocity deal was found by Cheapflights users on 8/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:14 pm -
1 stop8h 30m
Sat 9/197:26 pm -
1 stop15h 50m
Deal found 8/29![Alaska Airlines logo]()
$418
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:30 pm -
1 stop22h 41m
Mon 9/147:00 am -
1 stop26h 09m
Deal found 8/26![Multiple Airlines logo]()
$337
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.
Fri 9/112:30 pm -
1 stop5h 42m
Fri 9/257:00 am -
1 stop26h 09m
Deal found 8/27![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:07 pm -
2 stops25h 04m
Sun 9/207:30 am -
1 stop23h 34m
Deal found 8/29![Multiple Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 9/216:02 am -
1 stop7h 24m
Sat 9/262:06 pm -
1 stop4h 57m
Deal found 8/31![Alaska Airlines logo]()
$460
This Expedia deal was found by Cheapflights users on 8/31. 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 9/223:14 pm -
1 stop8h 30m
Sat 9/267:26 pm -
1 stop15h 50m
Deal found 8/31![Alaska Airlines logo]()
$435
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.
Thu 9/248:24 pm -
1 stop16h 47m
Thu 10/14:58 pm -
1 stop14h 06m
Deal found 8/27![Multiple Airlines logo]()
$324
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 August 31, 2026.
Search for one-way flight options from Ontario to Bellingham. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:02 am -
1 stop7h 10m
Deal found 8/26![Alaska Airlines logo]()
$221
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:14 pm -
1 stop4h 17m
Deal found 8/26![Alaska Airlines logo]()
$226
This Priceline deal was found by Cheapflights users on 8/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:56 pm -
1 stop4h 57m
Deal found 8/28![Alaska Airlines logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 9/512:00 pm -
1 stop6h 39m
Deal found 8/31![Alaska Airlines logo]()
$308
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:02 am -
1 stop7h 24m
Deal found 8/26![Alaska Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:17 pm -
2 stops10h 42m
Deal found 8/31![American Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/512:59 pm -
2 stops11h 00m
Deal found 8/31![American Airlines logo]()
$515
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $265 (Kiwi.com) |
One-way from | $221 (Booking.com) |
Popular in | February |
Cheapest in | September |
Average price | $382 |
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 August 31, 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
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Thu 9/17
12:07 pm-1:11 pm
2 stops25h 04m
Bellingham
Sun 9/20
7:30 am-7:04 am
1 stop23h 34m
$353
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Fri 9/11
8:00 am-8:12 pm
1 stop12h 12m
Bellingham
Fri 9/25
7:00 am-7:36 pm
2 stops12h 36m
$400
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Thu 10/8
6:56 pm-11:53 pm
1 stop4h 57m
Bellingham
Mon 10/12
7:18 pm-11:42 pm
1 stop4h 24m
$411
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Thu 11/5
7:15 am-12:06 pm
1 stop4h 51m
Bellingham
Sun 11/8
5:14 am-11:18 am
1 stop6h 04m
$411
Quickest round-trip
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Thu 11/26
7:12 am-11:38 am
1 stop4h 26m
Bellingham
Tue 12/1
12:46 pm-5:15 pm
1 stop4h 29m
$440
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Mon 9/21
6:02 am-1:26 pm
1 stop7h 24m
Bellingham
Sat 9/26
2:06 pm-7:03 pm
1 stop4h 57m
$460
Cheapest one-way
Quickest one-way
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Sun 9/27
6:14 pm-10:31 pm
1 stop4h 17m
$226
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Fri 10/9
6:56 pm-11:53 pm
1 stop4h 57m
$258
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Sat 9/5
12:00 pm-6:39 pm
1 stop6h 39m
$308
OntarioBellingham
ONT Ontario - BLI Bellingham
ONTBLI
Ontario
Sun 9/6
6:02 am-1:12 pm
1 stop7h 10m
$317
Showing 1-10 of 13 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 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 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 August 31, 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.
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
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.
Alternative routes
Bellingham flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Bellingham
See prices for flight routes from nearby airports that may be better suited for you.
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 August 31, 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 August 31, 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 August 31, 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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$440 | FlexibilityNo cancel fee | On-time75% |