What is the cheapest airline that flies from Ontario to Bellingham?

Alaska Airlines is the most popular carrier operating from Ontario to Bellingham

When did momondo last update prices for flights from Ontario Airport to Bellingham Airport?

Prices for flights from Ontario Airport to Bellingham Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Bellingham Airport?

As of September 2026, there is 1 operator available to choose from for flights from Ontario Airport to Bellingham Airport.

How old do you have to be to fly from Ontario Airport to Bellingham Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bellingham Airport.

What documentation or ID do you need to fly to Bellingham Airport?

The required travel and health documents for your Bellingham Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bellingham Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$104 Cheap Flights from Ontario to Bellingham in 2026/27

Find the cheapest flights from Ontario to Bellingham

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 11:34 pmONT Ontario-BLI Bellingham

15h 34m1 stop Las Vegas Harry Reid Intl

6:00 am - 11:16 amBLI Bellingham-ONT Ontario

5h 16m1 stop Las Vegas Harry Reid Intl

$223Multiple Airlines

Fri, Oct 16 - Mon, Oct 19

8:00 am - 11:34 pmONT Ontario-BLI Bellingham

15h 34m1 stop Las Vegas Harry Reid Intl

4:58 pm - 11:16 amBLI Bellingham-ONT Ontario

18h 18m1 stop Las Vegas Harry Reid Intl

$223Multiple Airlines

Fri, Oct 16 - Sun, Oct 18

5:07 pm - 9:35 amONT Ontario-BLI Bellingham

16h 28m1 stop Las Vegas Harry Reid Intl

7:35 pm - 11:16 amBLI Bellingham-ONT Ontario

15h 41m1 stop Las Vegas Harry Reid Intl

$250Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

11:26 am - 1:40 pmONT Ontario-BLI Bellingham

26h 14m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:31 amBLI Bellingham-ONT Ontario

28h 31m1 stop Las Vegas Harry Reid Intl

$266Multiple Airlines

Wed, Oct 14 - Mon, Oct 19

8:00 am - 11:34 pmONT Ontario-BLI Bellingham

15h 34m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:31 amBLI Bellingham-ONT Ontario

28h 31m1 stop Las Vegas Harry Reid Intl

$272Multiple Airlines

Fri, Oct 16 - Mon, Oct 19

10:35 am - 9:35 amONT Ontario-BLI Bellingham

23h 00m1 stop Las Vegas Harry Reid Intl

7:35 pm - 7:28 pmBLI Bellingham-ONT Ontario

23h 53m2 stops Las Vegas Harry Reid Intl San Francisco

$302Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

2:30 pm - 1:40 pmONT Ontario-BLI Bellingham

23h 10m1 stop Las Vegas Harry Reid Intl

6:00 am - 11:22 amBLI Bellingham-ONT Ontario

5h 22m1 stop Las Vegas Harry Reid Intl

$339Multiple Airlines

Wed, Sep 30 - Mon, Oct 5

2:28 pm - 11:34 pmONT Ontario-BLI Bellingham

9h 06m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:31 amBLI Bellingham-ONT Ontario

28h 31m1 stop Las Vegas Harry Reid Intl

$342Multiple Airlines

Fri, Oct 9 - Mon, Oct 12

6:02 am - 1:37 pmONT Ontario-BLI Bellingham

7h 35m1 stop Seattle/Tacoma Intl

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

$393Alaska Airlines

Sat, Oct 24 - Mon, Oct 26

6:02 am - 1:37 pmONT Ontario-BLI Bellingham

7h 35m1 stop Seattle/Tacoma Intl

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

$406Alaska Airlines

Sat, Oct 24 - Mon, Oct 26

Cheap last minute flights

Enter your travel dates to find the best prices.

12:12 pm - 6:46 pmONT Ontario-BLI Bellingham

6h 34m1 stop Seattle/Tacoma Intl

7:26 pm - 11:16 amBLI Bellingham-ONT Ontario

15h 50m1 stop Seattle/Tacoma Intl

$560Alaska Airlines

Sat, Sep 19 - Tue, Sep 22

3:14 pm - 11:44 pmONT Ontario-BLI Bellingham

8h 30m1 stop Seattle/Tacoma Intl

7:26 pm - 11:14 amBLI Bellingham-ONT Ontario

15h 48m1 stop Seattle/Tacoma Intl

$630Alaska Airlines

Thu, Sep 24 - Sun, Sep 27

6:02 am - 1:26 pmONT Ontario-BLI Bellingham

7h 24m1 stop Seattle/Tacoma Intl

2:06 pm - 5:18 pmBLI Bellingham-ONT Ontario

27h 12m2 stops Seattle/Tacoma Intl Portland

$788Alaska Airlines

Thu, Sep 24 - Tue, Sep 29

6:02 am - 1:26 pmONT Ontario-BLI Bellingham

7h 24m1 stop Seattle/Tacoma Intl

2:06 pm - 11:16 amBLI Bellingham-ONT Ontario

21h 10m1 stop Seattle/Tacoma Intl

$791Alaska Airlines

Thu, Sep 24 - Tue, Sep 29

12:12 pm - 6:46 pmONT Ontario-BLI Bellingham

6h 34m1 stop Seattle/Tacoma Intl

7:26 pm - 9:51 amBLI Bellingham-ONT Ontario

14h 25m2 stops Seattle/Tacoma Intl Portland

$829Alaska Airlines

Sat, Sep 19 - Tue, Sep 22

12:12 pm - 6:46 pmONT Ontario-BLI Bellingham

6h 34m1 stop Seattle/Tacoma Intl

5:26 am - 3:47 pmBLI Bellingham-ONT Ontario

10h 21m2 stops Seattle/Tacoma Intl Santa Rosa Sonoma County

$865Alaska Airlines

Thu, Sep 24 - Sun, Sep 27

12:12 pm - 6:46 pmONT Ontario-BLI Bellingham

6h 34m1 stop Seattle/Tacoma Intl

7:26 pm - 11:14 amBLI Bellingham-ONT Ontario

15h 48m1 stop Seattle/Tacoma Intl

$939Alaska Airlines

Tue, Sep 22 - Sun, Sep 27

12:12 pm - 6:46 pmONT Ontario-BLI Bellingham

6h 34m1 stop Seattle/Tacoma Intl

7:26 pm - 11:14 amBLI Bellingham-ONT Ontario

15h 48m1 stop Seattle/Tacoma Intl

$939Alaska Airlines

Wed, Sep 23 - Sun, Sep 27

10:47 am - 6:46 pmONT Ontario-BLI Bellingham

7h 59m2 stops Portland Seattle/Tacoma Intl

7:00 am - 2:16 pmBLI Bellingham-ONT Ontario

7h 16m2 stops Portland Seattle/Tacoma Intl

$1,151Alaska Airlines

Thu, Sep 24 - Sun, Sep 27

10:47 am - 6:46 pmONT Ontario-BLI Bellingham

7h 59m2 stops Portland Seattle/Tacoma Intl

7:00 am - 7:03 pmBLI Bellingham-ONT Ontario

12h 03m2 stops Portland Seattle/Tacoma Intl

$1,167Alaska Airlines

Thu, Sep 24 - Tue, Sep 29

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Alaska Airlines flights from Ontario to Bellingham

Our best Alaska Airlines deals on Ontario to Bellingham flight tickets

Alaska Airlines

Oct 24

ONT6:02 amOntario

7h 35m

1 stop

BLI1:37 pmBellingham

Oct 26

BLI7:18 pmBellingham

4h 24m

1 stop

ONT11:42 pmOntario

$393

Alaska Airlines

Oct 24

ONT6:02 amOntario

7h 35m

1 stop

BLI1:37 pmBellingham

Oct 26

BLI7:18 pmBellingham

4h 24m

1 stop

ONT11:42 pmOntario

$406

Alaska Airlines

Mar 13

ONT6:00 amOntario

6h 17m

1 stop

BLI12:17 pmBellingham

Mar 20

BLI5:14 amBellingham

5h 55m

1 stop

ONT11:09 amOntario

$426

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Fri 10/16

8:00 am-11:34 pm

1 stop15h 34m

Bellingham

Mon 10/19

6:00 am-11:16 am

1 stop5h 16m

$223

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Fri 10/16

8:00 am-11:34 pm

1 stop15h 34m

Bellingham

Sun 10/18

4:58 pm-11:16 am

1 stop18h 18m

$223

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Wed 11/11

5:07 pm-9:35 am

1 stop16h 28m

Bellingham

Sun 11/15

7:35 pm-11:16 am

1 stop15h 41m

$250

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Wed 10/14

11:26 am-1:40 pm

1 stop26h 14m

Bellingham

Mon 10/19

6:00 am-10:31 am

1 stop28h 31m

$266

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Fri 10/16

8:00 am-11:34 pm

1 stop15h 34m

Bellingham

Mon 10/19

6:00 am-10:31 am

1 stop28h 31m

$272

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Wed 11/11

10:35 am-9:35 am

1 stop23h 00m

Bellingham

Sun 11/15

7:35 pm-7:28 pm

2 stops23h 53m

$302

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Wed 9/30

2:30 pm-1:40 pm

1 stop23h 10m

Bellingham

Mon 10/5

6:00 am-11:22 am

1 stop5h 22m

$339

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Fri 10/9

2:28 pm-11:34 pm

1 stop9h 06m

Bellingham

Mon 10/12

6:00 am-10:31 am

1 stop28h 31m

$342

Quickest round-trip

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Sat 10/24

6:02 am-1:37 pm

1 stop7h 35m

Bellingham

Mon 10/26

7:18 pm-11:42 pm

1 stop4h 24m

$393

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Sat 10/24

6:02 am-1:37 pm

1 stop7h 35m

Bellingham

Mon 10/26

7:18 pm-11:42 pm

1 stop4h 24m

$406

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Bellingham

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Bellingham?

On average, the least expensive day to fly to Bellingham from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $169. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Bellingham for around $310.

When to book flights from Ontario to Bellingham

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Bellingham according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Bellingham (ONT to BLI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Bellingham

Best Price Found	$104
Fastest flight time	6h 17m
Direct flights	None

The best one-way flight to Bellingham from Ontario in the past 72 hours is $104. The best round-trip flight deal from Ontario to Bellingham found on momondo in the last 72 hours is $223.

The fastest flight from Ontario to Bellingham takes 6h 17m

There are no direct flights from Ontario to Bellingham. There are no popular flight routes from Ontario to Bellingham.

Search flight deals

Frequently asked questions about flying from Ontario to Bellingham

How far is Ontario to Bellingham by plane?
Ontario and Bellingham are 1044.6 mi apart from one another. By plane, this route typically takes 6h 17m.
When did momondo last update prices for flights from Ontario Airport to Bellingham Airport?
Prices for flights from Ontario Airport to Bellingham Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Bellingham Airport?
As of September 2026, there is 1 operator available to choose from for flights from Ontario Airport to Bellingham Airport.
How old do you have to be to fly from Ontario Airport to Bellingham Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bellingham Airport.
What documentation or ID do you need to fly to Bellingham Airport?
The required travel and health documents for your Bellingham Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bellingham Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Bellingham?
Based on momondo bookings for flights between Ontario and Bellingham, the leading airline is Alaska Airlines, making up 100% of the total bookings.

Best airlines flying from Ontario to Bellingham

Compare and see reviews for airlines that fly from Ontario to Bellingham with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $236	Free Cancellation	Rating 7.9 12,940 reviews		Search Alaska Airlines flights

Burlington

Mount Vernon

Blaine

Ferndale

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Bellingham?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Bellingham for you.

Can I find flights from Ontario to Bellingham with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bellingham from Ontario with this policy.

How can momondo help me find flights from Ontario to Bellingham?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bellingham from Ontario.

I’m not ready to book a flight from Ontario to Bellingham right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Bellingham now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bellingham and let you know when they change.