$169 Cheap Flights from Ontario (ONT) to Bellingham (BLI)

View $169 flight on Thu, Jun 4, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham, WA (BLI-Bellingham Intl.)

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Cheap Flights from Ontario to Bellingham (ONT-BLI)

Prices were available within the past 7 days and start at $169 for one-way flights and $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Mon, Jan 26 - Sat, Jan 31
ONT
Ontario
BLI
Bellingham
$290 Roundtrip, found 5 days ago
$290
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Jan 26 from Ontario to Bellingham, returning Sat, Jan 31, priced at $290 found 5 days ago
Alaska Airlines
Wed, Dec 24 - Wed, Dec 31
ONT
Ontario
BLI
Bellingham
$292 Roundtrip, found 5 days ago
$292
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Dec 24 from Ontario to Bellingham, returning Wed, Dec 31, priced at $292 found 5 days ago
Alaska Airlines
Thu, Jun 4 - Mon, Jun 8
ONT
Ontario
BLI
Bellingham
$298 Roundtrip, found 1 hour ago
$298
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Jun 4 from Ontario to Bellingham, returning Mon, Jun 8, priced at $298 found 1 hour ago
Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
ONT
Ontario
BLI
Bellingham
$300 Roundtrip, found 5 hours ago
$300
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Ontario to Bellingham, returning Wed, Jan 21, priced at $300 found 5 hours ago
Hawaiian Airlines
Sun, Feb 1 - Fri, Feb 6
ONT
Ontario
BLI
Bellingham
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sun, Feb 1 from Ontario to Bellingham, returning Fri, Feb 6, priced at $301 found 1 day ago
Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
ONT
Ontario
BLI
Bellingham
$302 Roundtrip, found 5 hours ago
$302
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Ontario to Bellingham, returning Wed, Jan 21, priced at $302 found 5 hours ago
Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
ONT
Ontario
BLI
Bellingham
$303 Roundtrip, found 5 hours ago
$303
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Ontario to Bellingham, returning Wed, Jan 21, priced at $303 found 5 hours ago
Hawaiian Airlines
Sun, Dec 14 - Sat, Jan 3
ONT
Ontario
BLI
Bellingham
$306 Roundtrip, found 6 days ago
$306
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sun, Dec 14 from Ontario to Bellingham, returning Sat, Jan 3, priced at $306 found 6 days ago
Hawaiian Airlines
Thu, Dec 25 - Thu, Jan 8
ONT
Ontario
BLI
Bellingham
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Thu, Dec 25 from Ontario to Bellingham, returning Thu, Jan 8, priced at $308 found 3 days ago
American Airlines
Wed, Jan 14 - Wed, Jan 21
ONT
Ontario
BLI
Bellingham
$389 Roundtrip, found 5 hours ago
$389
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Jan 14 from Ontario to Bellingham, returning Wed, Jan 21, priced at $389 found 5 hours ago

Find the cheapest month to fly from Ontario (ONT) to Bellingham (BLI)

January is typically the cheapest month to fly

From $217 - $584 per traveler.

Alternative airports near Bellingham

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bellingham Intl. BLI. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $366
BLI
Bellingham Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $366

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI) cost?
Grab a cheap one-way flight from $169 or cheap return flight from $290 from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI)?
January is the least expensive month to fly from ONT to BLI. Planning your trip for the off-season is often the key to finding a great deal.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI)?
There aren't any direct flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Bellingham Intl. Airport (BLI). However, there are other airports with nonstop flights. Start your journey at Los Angeles Intl. Airport (LAX) and head straight to Bellingham without layovers.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI)?
To find the cheapest airline flying from ONT to BLI, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to BLI?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI) last-minute?
Last-minute bookings from ONT to BLI are generally more expensive. To lock in the lowest prices, start searching for flights well in advance. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book an ONT to BLI flight and hotel package?
Compared with arranging flights and hotels separately, booking an ONT to BLI flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Bellingham Intl. Airport (BLI)?
It's generally possible to cancel or reschedule your ONT to BLI flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Bellingham Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$290
Distance
1049 mi

Book with confidence

Ontario to Bellingham Flights

The cheapest times to fly from Ontario to Bellingham

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Bellingham are during the month of January. You can find some of the cheapest flights from Ontario to Bellingham with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Bellingham

Sunday is one of the best days to book for cheap flights from Ontario to Bellingham: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Bellingham

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Bellingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Bellingham flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Bellingham airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario to Bellingham Flights

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*Available to One Key members.