$166 Cheap Flights from San Diego (SAN) to Bellingham (BLI)

View $166 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Bellingham, WA (BLI-Bellingham Intl.)

Cheap Flights from San Diego to Bellingham (SAN-BLI)

Prices were available within the past 7 days and start at $166 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 24
SAN
San Diego
BLI
Bellingham
$241 Roundtrip, found 3 days ago
$241
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 10 from San Diego to Bellingham, returning Tue, Feb 24, priced at $241 found 3 days ago
Hawaiian Airlines
Tue, Feb 17 - Tue, Mar 3
SAN
San Diego
BLI
Bellingham
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 17 from San Diego to Bellingham, returning Tue, Mar 3, priced at $252 found 3 days ago
Hawaiian Airlines
Wed, Feb 18 - Tue, Mar 3
SAN
San Diego
BLI
Bellingham
$253 Roundtrip, found 3 days ago
$253
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 18 from San Diego to Bellingham, returning Tue, Mar 3, priced at $253 found 3 days ago
Hawaiian Airlines
Tue, Nov 18 - Sat, Dec 6
SAN
San Diego
BLI
Bellingham
$262 Roundtrip, found 3 days ago
$262
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 18 from San Diego to Bellingham, returning Sat, Dec 6, priced at $262 found 3 days ago
Hawaiian Airlines
Sat, Feb 21 - Tue, Mar 3
SAN
San Diego
BLI
Bellingham
$267 Roundtrip, found 3 days ago
$267
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 21 from San Diego to Bellingham, returning Tue, Mar 3, priced at $267 found 3 days ago
Hawaiian Airlines
Thu, Feb 19 - Tue, Mar 3
SAN
San Diego
BLI
Bellingham
$270 Roundtrip, found 3 days ago
$270
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Thu, Feb 19 from San Diego to Bellingham, returning Tue, Mar 3, priced at $270 found 3 days ago
Hawaiian Airlines
Mon, Feb 9 - Tue, Feb 24
SAN
San Diego
BLI
Bellingham
$272 Roundtrip, found 3 days ago
$272
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Feb 9 from San Diego to Bellingham, returning Tue, Feb 24, priced at $272 found 3 days ago
Hawaiian Airlines
Tue, Nov 18 - Fri, Dec 5
SAN
San Diego
BLI
Bellingham
$272 Roundtrip, found 3 days ago
$272
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 18 from San Diego to Bellingham, returning Fri, Dec 5, priced at $272 found 3 days ago
Alaska Airlines
Wed, Oct 15 - Wed, Oct 22
SAN
San Diego
BLI
Bellingham
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 15 from San Diego to Bellingham, returning Wed, Oct 22, priced at $282 found 1 day ago
American Airlines
Wed, Feb 4 - Tue, Feb 10
SAN
San Diego
BLI
Bellingham
$390 Roundtrip, found 6 days ago
$390
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Feb 4 from San Diego to Bellingham, returning Tue, Feb 10, priced at $390 found 6 days ago

Find the cheapest month to fly from San Diego (SAN) to Bellingham (BLI)

January is typically the cheapest month to fly

From $217 - $532 per traveler.

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI) cost?
Snag a cheap one-way flight from $166 or cheap return flight from $241 from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI)?
The cheapest month to fly from SAN to BLI is February, when demand is low. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI)?
To find the cheapest airline that'll fly you from SAN to BLI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI)?
You'll need to book a flight with a layover if you're traveling from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SAN to BLI?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI)?
To land at Bellingham Intl. Airport (BLI) without delays, opt for a flight that takes off from San Diego Intl. Airport (SAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Bellingham from San Diego Intl. Airport (SAN)?
Snohomish County - Paine Field Airport (PAE) is the only airport in Bellingham with direct flights from San Diego Intl. Airport (SAN). Browse your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI) last-minute?
Last-minute bookings from SAN to BLI are usually more expensive. To secure the cheapest rates, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a SAN to BLI flight and hotel package?
Securing a SAN to BLI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Bellingham Intl. Airport (BLI)?
It's usually possible to cancel or reschedule your SAN 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

Travel information

Origin airport
San Diego Intl.
Destination airport
Bellingham Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$240
Distance
1143 mi

Book with confidence

Book with confidence

San Diego to Bellingham Flights

The cheapest times to fly from San Diego 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 San Diego to Bellingham are during the month of February. You can find some of the cheapest flights from San Diego to Bellingham with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Bellingham

Sunday is one of the best days to book for cheap flights from San Diego 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 San Diego 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 San Diego to Bellingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $166 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 San Diego 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 San Diego 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.

 

San Diego to Bellingham Flights

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*Available to One Key members.