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 August 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.

$160 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.

2:13 pm - 6:38 pmONT Ontario-BLI Bellingham

4h 25m1 stop Seattle/Tacoma Intl

1:57 pm - 6:28 pmBLI Bellingham-ONT Ontario

4h 31m1 stop Seattle/Tacoma Intl

$361Alaska Airlines

Sat, Oct 31 - Wed, Nov 4

7:25 am - 10:35 pmONT Ontario-BLI Bellingham

15h 10m1 stop Portland

7:18 pm - 12:18 pmBLI Bellingham-ONT Ontario

17h 00m1 stop Seattle/Tacoma Intl

$361Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

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

8h 30m1 stop Seattle/Tacoma Intl

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

15h 50m1 stop Seattle/Tacoma Intl

$386Alaska Airlines

Wed, Sep 9 - Sun, Sep 13

7:12 am - 10:31 pmONT Ontario-BLI Bellingham

15h 19m1 stop Portland

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

15h 50m1 stop Seattle/Tacoma Intl

$391Alaska Airlines

Sun, Sep 6 - Wed, Sep 16

4:42 pm - 11:53 pmONT Ontario-BLI Bellingham

7h 11m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

7:18 pm - 12:18 pmBLI Bellingham-ONT Ontario

17h 00m1 stop Seattle/Tacoma Intl

$397Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

10:47 am - 10:31 pmONT Ontario-BLI Bellingham

11h 44m1 stop Portland

7:19 pm - 11:16 amBLI Bellingham-ONT Ontario

15h 57m1 stop Seattle/Tacoma Intl

$411Alaska Airlines

Mon, Aug 31 - Mon, Sep 7

2:13 pm - 6:38 pmONT Ontario-BLI Bellingham

4h 25m1 stop Seattle/Tacoma Intl

12:46 pm - 4:58 pmBLI Bellingham-ONT Ontario

4h 12m1 stop Portland

$411Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

11:47 am - 9:54 pmONT Ontario-BLI Bellingham

10h 07m1 stop Las Vegas Harry Reid Intl

7:00 am - 9:27 pmBLI Bellingham-ONT Ontario

14h 27m1 stop Las Vegas Harry Reid Intl

$448Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

11:47 am - 9:07 amONT Ontario-BLI Bellingham

21h 20m1 stop Las Vegas Harry Reid Intl

5:53 pm - 8:03 amBLI Bellingham-ONT Ontario

14h 10m1 stop Las Vegas Harry Reid Intl

$457Multiple Airlines

Sun, Aug 16 - Thu, Aug 20

11:47 am - 9:54 pmONT Ontario-BLI Bellingham

10h 07m1 stop Las Vegas Harry Reid Intl

7:00 am - 2:03 pmBLI Bellingham-ONT Ontario

31h 03m2 stops Las Vegas Harry Reid Intl San Francisco

$469Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

Cheap last minute flights

Enter your travel dates to find the best prices.

5:26 pm - 11:59 pmONT Ontario-BLI Bellingham

6h 33m1 stop Seattle/Tacoma Intl

5:26 pm - 11:11 pmBLI Bellingham-ONT Ontario

5h 45m1 stop Seattle/Tacoma Intl

$859Alaska Airlines

Mon, Aug 10 - Fri, Aug 14

5:26 pm - 11:59 pmONT Ontario-BLI Bellingham

6h 33m1 stop Seattle/Tacoma Intl

6:00 am - 11:14 amBLI Bellingham-ONT Ontario

5h 14m1 stop Seattle/Tacoma Intl

$874Alaska Airlines

Mon, Aug 10 - Tue, Aug 11

2:05 pm - 12:06 amONT Ontario-BLI Bellingham

10h 01m1 stop Seattle/Tacoma Intl

5:26 pm - 1:09 pmBLI Bellingham-ONT Ontario

19h 43m1 stop Seattle/Tacoma Intl

$904Alaska Airlines

Sat, Aug 8 - Mon, Aug 10

9:20 pm - 1:09 pmONT Ontario-BLI Bellingham

15h 49m1 stop Seattle/Tacoma Intl

5:26 pm - 11:11 pmBLI Bellingham-ONT Ontario

5h 45m1 stop Seattle/Tacoma Intl

$919Alaska Airlines

Fri, Aug 7 - Mon, Aug 10

5:26 pm - 11:59 pmONT Ontario-BLI Bellingham

6h 33m1 stop Seattle/Tacoma Intl

5:26 pm - 9:56 amBLI Bellingham-ONT Ontario

16h 30m2 stops Seattle/Tacoma Intl Portland

$921Alaska Airlines

Mon, Aug 10 - Tue, Aug 11

2:05 pm - 12:06 amONT Ontario-BLI Bellingham

10h 01m1 stop Seattle/Tacoma Intl

5:26 pm - 9:56 amBLI Bellingham-ONT Ontario

16h 30m2 stops Seattle/Tacoma Intl Portland

$949Alaska Airlines

Sat, Aug 8 - Mon, Aug 10

4:18 pm - 11:59 pmONT Ontario-BLI Bellingham

7h 41m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

5:26 pm - 11:11 pmBLI Bellingham-ONT Ontario

5h 45m1 stop Seattle/Tacoma Intl

$1,003Alaska Airlines

Mon, Aug 10 - Fri, Aug 14

9:20 pm - 1:09 pmONT Ontario-BLI Bellingham

15h 49m1 stop Seattle/Tacoma Intl

5:26 pm - 9:56 amBLI Bellingham-ONT Ontario

16h 30m2 stops Seattle/Tacoma Intl Portland

$1,081Alaska Airlines

Fri, Aug 7 - Mon, Aug 10

4:18 pm - 11:59 pmONT Ontario-BLI Bellingham

7h 41m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

1:49 pm - 11:52 pmBLI Bellingham-ONT Ontario

10h 03m2 stops Seattle/Tacoma Intl Portland

$1,168Alaska Airlines

Mon, Aug 10 - Tue, Aug 11

5:32 pm - 11:59 pmONT Ontario-BLI Bellingham

6h 27m2 stops Portland Seattle/Tacoma Intl

1:49 pm - 11:52 pmBLI Bellingham-ONT Ontario

10h 03m2 stops Seattle/Tacoma Intl Portland

$1,283Alaska Airlines

Mon, Aug 10 - Fri, Aug 14

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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 27

ONT7:25 amOntario

15h 10m

1 stop

BLI10:35 pmBellingham

Oct 31

BLI7:18 pmBellingham

17h 00m

1 stop

ONT12:18 pmOntario

$361

Alaska Airlines

Sep 9

ONT3:14 pmOntario

8h 30m

1 stop

BLI11:44 pmBellingham

Sep 13

BLI7:26 pmBellingham

15h 50m

1 stop

ONT11:16 amOntario

$386

Alaska Airlines

Sep 6

ONT7:12 amOntario

15h 19m

1 stop

BLI10:31 pmBellingham

Sep 16

BLI7:26 pmBellingham

15h 50m

1 stop

ONT11:16 amOntario

$391

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Sat 10/31

2:13 pm-6:38 pm

1 stop4h 25m

Bellingham

Wed 11/4

1:57 pm-6:28 pm

1 stop4h 31m

$361

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Tue 10/27

7:25 am-10:35 pm

1 stop15h 10m

Bellingham

Sat 10/31

7:18 pm-12:18 pm

1 stop17h 00m

$361

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Wed 9/9

3:14 pm-11:44 pm

1 stop8h 30m

Bellingham

Sun 9/13

7:26 pm-11:16 am

1 stop15h 50m

$386

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Sun 9/6

7:12 am-10:31 pm

1 stop15h 19m

Bellingham

Wed 9/16

7:26 pm-11:16 am

1 stop15h 50m

$391

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Tue 10/27

4:42 pm-11:53 pm

2 stops7h 11m

Bellingham

Sat 10/31

7:18 pm-12:18 pm

1 stop17h 00m

$397

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Mon 8/31

10:47 am-10:31 pm

1 stop11h 44m

Bellingham

Mon 9/7

7:19 pm-11:16 am

1 stop15h 57m

$411

Quickest round-trip

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Thu 10/29

2:13 pm-6:38 pm

1 stop4h 25m

Bellingham

Mon 11/2

12:46 pm-4:58 pm

1 stop4h 12m

$411

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Mon 8/17

11:47 am-9:54 pm

1 stop10h 07m

Bellingham

Mon 8/24

7:00 am-9:27 pm

1 stop14h 27m

$448

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Sun 8/16

11:47 am-9:07 am

1 stop21h 20m

Bellingham

Thu 8/20

5:53 pm-8:03 am

1 stop14h 10m

$457

OntarioBellingham

ONT Ontario - BLI Bellingham

ONTBLI

Ontario

Mon 8/17

11:47 am-9:54 pm

1 stop10h 07m

Bellingham

Mon 8/24

7:00 am-2:03 pm

2 stops31h 03m

$469

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $187. 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 $172. In the afternoon is when there is more demand to fly to Bellingham, so prices are often more expensive at around $245 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 25m
Direct flights	None

The fastest flight from Ontario to Bellingham takes 4h 25m

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 25m.
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 August 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 12,772 reviews		Search Alaska Airlines flights

Burlington

Mount Vernon

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.