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

Alaska Airlines and American Airlines are the most popular carriers operating from Ontario to Bellingham

What airlines fly to Bellingham?

Allegiant Air, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Bellingham from Ontario according to our data. Allegiant Air is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Bellingham. Keep in mind that there are 3 different airlines that fly to Bellingham on a routine basis, so you have a few additional options to choose from.

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 November 2025, 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.

$145 Cheap Flights from Ontario to Bellingham in 2025/26

1 adult

0 bags

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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.

6:30 am - 10:06 pmONT-BLI

15h 36m1 stop

9:00 am - 9:17 pmBLI-ONT

12h 17m1 stop

$253Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

6:00 am - 12:18 pmONT-BLI

6h 18m1 stop

5:20 am - 10:39 amBLI-ONT

5h 19m1 stop

$298Alaska Airlines

Find Deal

Thu, Feb 26 - Sun, Mar 1

11:53 am - 9:20 pmONT-BLI

9h 27m1 stop

1:03 pm - 8:36 pmBLI-ONT

7h 33m1 stop

$311Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

4:03 pm - 9:20 pmONT-BLI

5h 17m1 stop

1:03 pm - 8:15 pmBLI-ONT

7h 12m2 stops

$333Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

7:00 am - 2:43 pmONT-BLI

7h 43m2 stops

5:20 am - 10:39 amBLI-ONT

5h 19m1 stop

$356Alaska Airlines

Find Deal

Thu, Feb 26 - Sun, Mar 1

6:55 pm - 12:01 amONT-BLI

5h 06m1 stop

5:20 am - 5:42 pmBLI-ONT

12h 22m2 stops

$359Alaska Airlines

Find Deal

Thu, Feb 26 - Sun, Mar 1

1:46 pm - 9:20 pmONT-BLI

7h 34m2 stops

1:03 pm - 8:15 pmBLI-ONT

7h 12m2 stops

$360Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

7:00 am - 2:43 pmONT-BLI

7h 43m2 stops

8:10 am - 7:47 pmBLI-ONT

11h 37m2 stops

$394Alaska Airlines

Find Deal

Thu, Feb 26 - Sun, Mar 1

4:03 pm - 9:20 pmONT-BLI

5h 17m1 stop

1:03 pm - 8:15 pmBLI-ONT

7h 12m2 stops

$421Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

6:30 am - 10:06 pmONT-BLI

15h 36m1 stop

9:00 am - 11:31 pmBLI-ONT

14h 31m2 stops

$581Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

Alaska Airlines flights from Ontario to Bellingham

Our best Alaska Airlines deals on Ontario to Bellingham flight tickets

Alaska Airlines

Feb 26

ONT6:00 amOntario

6h 18m

1 stop

BLI12:18 pmBellingham

Mar 1

BLI5:20 amBellingham

5h 19m

1 stop

ONT10:39 amOntario

$298

Find similar

Alaska Airlines

Jan 9

ONT11:53 amOntario

9h 27m

1 stop

BLI9:20 pmBellingham

Jan 13

BLI1:03 pmBellingham

7h 33m

1 stop

ONT8:36 pmOntario

$311

Find similar

Alaska Airlines

Jan 9

ONT4:03 pmOntario

5h 17m

1 stop

BLI9:20 pmBellingham

Jan 13

BLI1:03 pmBellingham

7h 12m

2 stops

ONT8:15 pmOntario

$333

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Mon 12/1

6:30 am-10:06 pm

1 stop15h 36m

Bellingham

Mon 12/8

9:00 am-9:17 pm

1 stop12h 17m

$253

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 2/26

6:00 am-12:18 pm

1 stop6h 18m

Bellingham

Sun 3/1

5:20 am-10:39 am

1 stop5h 19m

$298

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Fri 1/9

11:53 am-9:20 pm

1 stop9h 27m

Bellingham

Tue 1/13

1:03 pm-8:36 pm

1 stop7h 33m

$311

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Fri 1/9

4:03 pm-9:20 pm

1 stop5h 17m

Bellingham

Tue 1/13

1:03 pm-8:15 pm

2 stops7h 12m

$333

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 2/26

7:00 am-2:43 pm

2 stops7h 43m

Bellingham

Sun 3/1

5:20 am-10:39 am

1 stop5h 19m

$356

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 2/26

6:55 pm-12:01 am

1 stop5h 06m

Bellingham

Sun 3/1

5:20 am-5:42 pm

2 stops12h 22m

$359

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Fri 1/9

1:46 pm-9:20 pm

2 stops7h 34m

Bellingham

Tue 1/13

1:03 pm-8:15 pm

2 stops7h 12m

$360

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 2/26

7:00 am-2:43 pm

2 stops7h 43m

Bellingham

Sun 3/1

8:10 am-7:47 pm

2 stops11h 37m

$394

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Fri 1/9

4:03 pm-9:20 pm

1 stop5h 17m

Bellingham

Tue 1/13

1:03 pm-8:15 pm

2 stops7h 12m

$421

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Mon 12/1

6:30 am-10:06 pm

1 stop15h 36m

Bellingham

Mon 12/8

9:00 am-11:31 pm

2 stops14h 31m

$581

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 month to fly to Bellingham?

The cheapest month to fly to Bellingham from Ontario is in May. Flight prices, which tend to average around $58, are often lower during this time because this is during the off-season. If you are unable to visit Bellingham during the month of May, then departing from Ontario during the month September is also very affordable. Most momondo users find prices during this month for around $96.

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 $141. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Bellingham for around $177.

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

The cheapest time of day to fly to Bellingham is in the morning when flights can be purchased for as low as $116. In the evening is when there is more demand to fly to Bellingham, so prices are often more expensive at around $327 per ticket.

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

Direct flights	None

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

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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 4h 57m.
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 November 2025, 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 $279	Free Cancellation	Rating 8.0 11,234 reviews		Search Alaska Airlines flights

Mount Vernon

Burlington

Ferndale

Blaine

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.