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Bellingham

$118+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BLI
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheap flight deals from Ontario to Bellingham

Cheapest flights from Ontario to Bellingham
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 December 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
Sat 12/206:00 amONT - BLI
1 stop15h 44mMultiple Airlines
Sun 12/217:30 amBLI - ONT
1 stop10h 12mMultiple Airlines
Deal found 12/6$335
This Alaska Airlines deal was found by Cheapflights users on 12/5. 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 12/286:00 amONT - BLI
1 stop18h 16mAlaska Airlines
Fri 1/212:56 pmBLI - ONT
1 stop21h 04mAlaska Airlines
Deal found 12/5$533
This Alaska Airlines deal was found by Cheapflights users on 12/6. 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 12/214:36 pmONT - BLI
1 stop5h 46mAlaska Airlines
Tue 12/304:06 pmBLI - ONT
1 stop17h 44mAlaska Airlines
Deal found 12/6$560
This Alaska Airlines deal was found by Cheapflights users on 12/4. 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 12/204:36 pmONT - BLI
1 stop7h 40mAlaska Airlines
Fri 12/265:20 amBLI - ONT
1 stop18h 54mAlaska Airlines
Deal found 12/4$561
This KAYAK deal was found by Cheapflights users on 12/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:36 pmONT - BLI
1 stop7h 40mAlaska Airlines
Mon 12/2912:56 pmBLI - ONT
1 stop5h 29mAlaska Airlines
Deal found 12/5$616
This Alaska Airlines deal was found by Cheapflights users on 12/6. 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 12/244:36 pmONT - BLI
1 stop5h 46mAlaska Airlines
Sat 12/275:20 amBLI - ONT
1 stop18h 54mAlaska Airlines
Deal found 12/6$621
This Alaska Airlines deal was found by Cheapflights users on 12/6. 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 12/1810:44 amONT - BLI
1 stop4h 42mAlaska Airlines
Mon 12/2912:56 pmBLI - ONT
1 stop11h 18mAlaska Airlines
Deal found 12/6$630
This American Airlines deal was found by Cheapflights users on 12/6. 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 12/2012:55 pmONT - BLI
2 stops11h 21mAmerican Airlines
Sun 12/215:20 amBLI - ONT
2 stops10h 30mAmerican Airlines
Deal found 12/6$800

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 December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(Alaska Airlines)

One-way from

$118
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$734
Provider with most accurate pricing for Ontario-Bellingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Bellingham flights.
Search Deals
From Ontario to Bellingham
Search Deals
One-way flight from Ontario to Bellingham
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 2,558,603 searches. Data last updated December 7, 2025.
Use the filters below to find and compare flights from Ontario to Bellingham that are best for you.

Fly from

Ontario

Fly to

Bellingham

Route

Depart

Return

Price

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Tue 1/13

11:53 am-12:06 am

1 stop12h 13m

Bellingham

Tue 1/20

9:15 am-8:36 pm

1 stop11h 21m

$244

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 1/8

11:53 am-12:06 am

1 stop12h 13m

Bellingham

Sun 1/11

1:03 pm-3:08 pm

1 stop26h 05m

$255

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Sat 1/10

4:03 pm-9:20 pm

1 stop5h 17m

Bellingham

Wed 1/14

1:03 pm-8:36 pm

1 stop7h 33m

$258

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 1/14

4:03 pm-9:20 pm

1 stop5h 17m

Bellingham

Thu 1/22

5:15 am-10:59 am

1 stop5h 44m

$289

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 1/7

4:03 pm-9:20 pm

1 stop5h 17m

Bellingham

Sat 1/10

1:03 pm-8:36 pm

1 stop7h 33m

$292

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 5/13

7:20 pm-12:05 am

1 stop4h 45m

Bellingham

Wed 5/27

6:00 am-10:57 am

1 stop4h 57m

$298

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Tue 1/6

6:00 am-12:16 pm

1 stop6h 16m

Bellingham

Sat 1/10

1:03 pm-8:36 pm

1 stop7h 33m

$302

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 1/8

4:03 pm-12:06 am

1 stop8h 03m

Bellingham

Sat 1/10

1:03 pm-8:36 pm

1 stop7h 33m

$315

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Mon 12/15

6:15 am-10:14 pm

1 stop15h 59m

$118

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 1/21

4:03 pm-9:20 pm

1 stop5h 17m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 17 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Bellingham flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Bellingham flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 Ontario to Bellingham

What is the cheapest month to book a flight from Ontario to Bellingham?

Currently, April is the cheapest month in which you can book a flight from Ontario to Bellingham (average of $48). Flying from Ontario to Bellingham in December is currently the most expensive (average of $189). 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 ONT to BLI?

Find hourly flight availability from Ontario to Bellingham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2025.

It’s optimal to fly from Ontario to Bellingham in the evening. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

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 December 7, 2025.
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.
Alaska Airlines
8.0
Very good
11,408 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,408 reviews
Alaska Airlines
8.0
Very good
11,408 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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.

  • How long is the flight from Ontario to Bellingham?

    There are many flights that can get you from Ontario to Bellingham in 12h 13m. Fly via Alaska Airlines to get the fastest option. Airlines will cover a distance of 1049 mi.

  • What is the cheapest airline to fly from Ontario to Bellingham round-trip?

    According to our current data, Alaska Airlines ($291), offers the cheapest pricing from Ontario to Bellingham. Alaska Airlines is currently priced 17% below the average price you’ll pay for this route.

  • Can I find deals for flights from Ontario to Bellingham that include hotel bookings?

    Yes. In addition to deals on Ontario to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Bellingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Bellingham.

  • Can I find deals for business class flights from Ontario to Bellingham?

    Yes. Cheapflights offers flight deals from Ontario to Bellingham by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Bellingham?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Bellingham (average of $48). Flying from Ontario to Bellingham in December is currently the most expensive (average of $189). 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.

See more FAQs

Traveling to a place near Bellingham?

Book flights to Bellingham if you plan to visit one of these locations
Mount Vernon
Burlington
Ferndale
Blaine

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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 2,558,603 searches. Data last updated December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$291Average$461FlexibilityNo cancel feeOn-time75%

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