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 June 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.

$146 Cheap Flights from Ontario to Bellingham in 2026

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.

11:52 am - 8:39 am

ONT

BLI

20h 47m

1 stop

3:42 pm - 3:14 pm

BLI

ONT

23h 32m

1 stop

$300Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

11:52 am - 8:39 am

ONT

BLI

20h 47m

1 stop

3:42 pm - 3:14 pm

BLI

ONT

23h 32m

1 stop

$303Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

6:02 am - 1:26 pm

ONT

BLI

7h 24m

1 stop

7:00 am - 5:18 pm

BLI

ONT

10h 18m

1 stop

$349Alaska Airlines

Sat, Sep 12 - Sat, Sep 26

11:52 am - 8:39 am

ONT

BLI

20h 47m

1 stop

3:42 pm - 10:04 am

BLI

ONT

18h 22m

2 stops

$371Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

11:52 am - 8:39 am

ONT

BLI

20h 47m

1 stop

3:42 pm - 10:04 am

BLI

ONT

18h 22m

2 stops

$373Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

5:26 pm - 11:59 pm

ONT

BLI

6h 33m

1 stop

1:49 pm - 8:30 pm

BLI

ONT

6h 41m

1 stop

$374Alaska Airlines

Thu, Aug 13 - Mon, Aug 17

5:26 pm - 11:59 pm

ONT

BLI

6h 33m

1 stop

5:26 pm - 11:11 pm

BLI

ONT

5h 45m

1 stop

$389Alaska Airlines

Mon, Jul 13 - Wed, Jul 15

12:12 pm - 6:46 pm

ONT

BLI

6h 34m

1 stop

2:06 pm - 4:10 pm

BLI

ONT

26h 04m

2 stops

$396Alaska Airlines

Sat, Sep 12 - Sat, Sep 26

5:26 pm - 11:59 pm

ONT

BLI

6h 33m

1 stop

5:26 pm - 11:11 pm

BLI

ONT

5h 45m

1 stop

$414Alaska Airlines

Fri, Jul 10 - Wed, Jul 15

5:26 pm - 11:59 pm

ONT

BLI

6h 33m

1 stop

5:26 pm - 11:11 pm

BLI

ONT

5h 45m

1 stop

$439Alaska Airlines

Fri, Jul 10 - Sat, Jul 18

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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 15

ONT6:56 pmOntario

4h 57m

1 stop

BLI11:53 pmBellingham

Oct 17

BLI7:18 pmBellingham

4h 27m

1 stop

ONT11:45 pmOntario

$349

Alaska Airlines

Aug 13

ONT5:26 pmOntario

6h 33m

1 stop

BLI11:59 pmBellingham

Aug 17

BLI1:49 pmBellingham

6h 41m

1 stop

ONT8:30 pmOntario

$374

Alaska Airlines

Jul 13

ONT5:26 pmOntario

6h 33m

1 stop

BLI11:59 pmBellingham

Jul 15

BLI5:26 pmBellingham

5h 45m

1 stop

ONT11:11 pmOntario

$389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 7/16

11:52 am-8:39 am

1 stop20h 47m

Bellingham

Mon 7/20

3:42 pm-3:14 pm

1 stop23h 32m

$300

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 7/16

11:52 am-8:39 am

1 stop20h 47m

Bellingham

Mon 7/20

3:42 pm-3:14 pm

1 stop23h 32m

$303

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Sat 9/12

6:02 am-1:26 pm

1 stop7h 24m

Bellingham

Sat 9/26

7:00 am-5:18 pm

1 stop10h 18m

$349

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 7/16

11:52 am-8:39 am

1 stop20h 47m

Bellingham

Mon 7/20

3:42 pm-10:04 am

2 stops18h 22m

$371

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 7/16

11:52 am-8:39 am

1 stop20h 47m

Bellingham

Mon 7/20

3:42 pm-10:04 am

2 stops18h 22m

$373

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Thu 8/13

5:26 pm-11:59 pm

1 stop6h 33m

Bellingham

Mon 8/17

1:49 pm-8:30 pm

1 stop6h 41m

$374

Quickest round-trip

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Mon 7/13

5:26 pm-11:59 pm

1 stop6h 33m

Bellingham

Wed 7/15

5:26 pm-11:11 pm

1 stop5h 45m

$389

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Sat 9/12

12:12 pm-6:46 pm

1 stop6h 34m

Bellingham

Sat 9/26

2:06 pm-4:10 pm

2 stops26h 04m

$396

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Fri 7/10

5:26 pm-11:59 pm

1 stop6h 33m

Bellingham

Wed 7/15

5:26 pm-11:11 pm

1 stop5h 45m

$414

OntarioBellingham

ONT - BLI

ONTBLI

Ontario

Fri 7/10

5:26 pm-11:59 pm

1 stop6h 33m

Bellingham

Sat 7/18

5:26 pm-11:11 pm

1 stop5h 45m

$439

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 $172. 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 $238.

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 $169. In the afternoon is when there is more demand to fly to Bellingham, so prices are often more expensive at around $228 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

Fastest flight time	4h 57m
Direct flights	None

The fastest flight from Ontario to Bellingham takes 4h 57m

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 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 June 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 12,534 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.