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Bellingham

$105+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BLI
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 20, 2025.

Round-trip from

$212
(Kiwi.com)

One-way from

$105
(Trip.com)

Popular in

November

Cheapest in

May

Average price

$118
From Ontario to Bellingham
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One-way flight from Ontario to Bellingham
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Highest demand for flights based on searches. 26% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/108:00 amONT - BLI
1 stop7h 11mMultiple Airlines
Thu 9/113:31 pmBLI - ONT
1 stop5h 25mMultiple Airlines
Deal found 8/18$212
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/189:16 amONT - BLI
1 stop5h 25mMultiple Airlines
Thu 9/253:31 pmBLI - ONT
1 stop5h 25mMultiple Airlines
Deal found 8/19$219
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 12/247:18 pmONT - BLI
1 stop4h 58mAlaska Airlines
Wed 1/73:30 pmBLI - ONT
1 stop7h 07mAlaska Airlines
Deal found 8/17$278
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/156:00 amONT - BLI
1 stop6h 22mAlaska Airlines
Tue 10/214:14 pmBLI - ONT
1 stop7h 49mAlaska Airlines
Deal found 8/19$279
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/166:00 amONT - BLI
1 stop6h 22mAlaska Airlines
Sat 10/184:14 pmBLI - ONT
1 stop7h 49mAlaska Airlines
Deal found 8/19$280
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/111:39 amONT - BLI
1 stop12h 32mAlaska Airlines
Sat 10/44:14 pmBLI - ONT
1 stop7h 49mAlaska Airlines
Deal found 8/19$282
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/156:00 amONT - BLI
1 stop6h 22mAlaska Airlines
Wed 10/221:02 pmBLI - ONT
1 stop5h 31mAlaska Airlines
Deal found 8/19$286
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/166:00 amONT - BLI
1 stop6h 22mAlaska Airlines
Wed 10/221:02 pmBLI - ONT
1 stop5h 31mAlaska Airlines
Deal found 8/19$287

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 August 20, 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

Wed 9/10

8:00 am-3:11 pm

1 stop7h 11m

Bellingham

Thu 9/11

3:31 pm-8:56 pm

1 stop5h 25m

$212

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 9/18

9:16 am-2:41 pm

1 stop5h 25m

Bellingham

Thu 9/25

3:31 pm-8:56 pm

1 stop5h 25m

$219

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 12/24

7:18 pm-12:16 am

1 stop4h 58m

Bellingham

Fri 1/9

5:20 am-10:39 am

1 stop5h 19m

$278

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 12/24

7:18 pm-12:16 am

1 stop4h 58m

Bellingham

Thu 1/8

3:30 pm-10:37 pm

1 stop7h 07m

$278

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 12/24

7:18 pm-12:16 am

1 stop4h 58m

Bellingham

Wed 1/7

3:30 pm-10:37 pm

1 stop7h 07m

$278

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 10/15

6:00 am-12:22 pm

1 stop6h 22m

Bellingham

Tue 10/21

4:14 pm-12:03 am

1 stop7h 49m

$279

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 10/15

6:00 am-12:22 pm

1 stop6h 22m

Bellingham

Sat 10/18

4:14 pm-12:03 am

1 stop7h 49m

$279

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 10/16

6:00 am-12:22 pm

1 stop6h 22m

Bellingham

Sat 10/18

4:14 pm-12:03 am

1 stop7h 49m

$280

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 9/17

8:00 am-3:11 pm

1 stop7h 11m

$105

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Wed 9/10

8:00 am-3:11 pm

1 stop7h 11m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 19 results
1
2

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, February is the cheapest month in which you can book a flight from Ontario to Bellingham (average of $317). Flying from Ontario to Bellingham in November is currently the most expensive (average of $470). 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 August 20, 2025.

It’s optimal to fly from Ontario to Bellingham in the afternoon. By choosing this option you can save up to 15% 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 August 20, 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
10,000 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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.

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

    According to our current data, Alaska Airlines ($271), offers the cheapest pricing from Ontario to Bellingham. Alaska Airlines is currently priced 19% 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, February is the cheapest month in which you can book a flight from Ontario to Bellingham (average of $317). Flying from Ontario to Bellingham in November is currently the most expensive (average of $470). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$271Average$446FlexibilityNo cancel feeOn-time75%

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