$139 Cheap Flights from San Francisco (SFO) to Bellingham (BLI)

View $139 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Bellingham, WA (BLI-Bellingham Intl.)

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Cheap Flights from San Francisco to Bellingham (SFO-BLI)

Prices were available within the past 7 days and start at $139 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Sep 16 - Sat, Sep 20
SFO
San Francisco
BLI
Bellingham
$238 Roundtrip, just found
$238
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Sep 16 from San Francisco to Bellingham, returning Sat, Sep 20, priced at $238 just found
Alaska Airlines
Wed, Sep 17 - Sat, Sep 20
SFO
San Francisco
BLI
Bellingham
$240 Roundtrip, found 4 hours ago
$240
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from San Francisco to Bellingham, returning Sat, Sep 20, priced at $240 found 4 hours ago
Alaska Airlines
Wed, Oct 22 - Sat, Oct 25
SFO
San Francisco
BLI
Bellingham
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from San Francisco to Bellingham, returning Sat, Oct 25, priced at $242 found 5 days ago
Hawaiian Airlines
Tue, Sep 16 - Thu, Sep 25
SFO
San Francisco
BLI
Bellingham
$243 Roundtrip, just found
$243
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Sep 16 from San Francisco to Bellingham, returning Thu, Sep 25, priced at $243 just found
Hawaiian Airlines
Wed, Aug 20 - Thu, Aug 28
SFO
San Francisco
BLI
Bellingham
$245 Roundtrip, found 2 days ago
$245
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Aug 20 from San Francisco to Bellingham, returning Thu, Aug 28, priced at $245 found 2 days ago
Alaska Airlines
Wed, May 20 - Sun, May 24
SFO
San Francisco
BLI
Bellingham
$248 Roundtrip, found 3 hours ago
$248
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, May 20 from San Francisco to Bellingham, returning Sun, May 24, priced at $248 found 3 hours ago
Hawaiian Airlines
Tue, Sep 2 - Mon, Sep 8
SFO
San Francisco
BLI
Bellingham
$250 Roundtrip, found 3 days ago
$250
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from San Francisco to Bellingham, returning Mon, Sep 8, priced at $250 found 3 days ago
Hawaiian Airlines
Tue, Aug 26 - Mon, Sep 8
SFO
San Francisco
BLI
Bellingham
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from San Francisco to Bellingham, returning Mon, Sep 8, priced at $252 found 3 days ago
Alaska Airlines
Sat, Sep 6 - Fri, Sep 12
SFO
San Francisco
BLI
Bellingham
$255 Roundtrip, found 5 hours ago
$255
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Sep 6 from San Francisco to Bellingham, returning Fri, Sep 12, priced at $255 found 5 hours ago
American Airlines
Sat, Sep 6 - Fri, Sep 12
SFO
San Francisco
BLI
Bellingham
$468 Roundtrip, found 5 hours ago
$468
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Sep 6 from San Francisco to Bellingham, returning Fri, Sep 12, priced at $468 found 5 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Bellingham (BLI)

February is typically the cheapest month to fly

From $208 - $464 per traveler.

Graph displaying average flight prices per month

Flights from San Francisco (SFO) to Bellingham (BLI)
Origin airport
San Francisco Intl.
Destination airport
Bellingham Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$238
Distance
772 mi

San Francisco to Bellingham Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Francisco 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 Francisco 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 Francisco to Bellingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 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 Francisco 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 Francisco 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.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI) cost?
Discover the latest flight deals from SFO to BLI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to BLI?
The cheapest flights from SFO to BLI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to BLI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SFO to BLI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI)?
Direct flights from San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SFO to BLI?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, airline 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 San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Francisco Intl. Airport (SFO)?
Browse your flight options from San Francisco Intl. Airport (SFO) to Snohomish County - Paine Field Airport (PAE). This is the only airport in Bellingham you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI) last-minute?
Booking your ticket from SFO to BLI right before your journey is typically more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a SFO to BLI flight and hotel package?
You can save money by securing a SFO to BLI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your preferred flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Bellingham Intl. Airport (BLI)?
In most instances, you can modify or cancel your SFO to BLI flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.