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$103+ Cheap flights from Bellingham to San Francisco (BLI - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SFO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Bellingham to San Francisco

Cheapest flights from Bellingham to San Francisco
Explore the most affordable flight options available from Bellingham to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:04 pm
BLI
-
SFO
1 stop5h 52m
Hawaiian Airlines
Sat 2/286:30 am
SFO
-
BLI
1 stop4h 43m
Hawaiian Airlines
Deal found 1/28$220
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:04 pm
BLI
-
SFO
1 stop4h 51m
Alaska Airlines
Mon 3/166:30 am
SFO
-
BLI
1 stop4h 43m
Alaska Airlines
Deal found 1/27$255
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:19 pm
BLI
-
SFO
1 stop6h 37m
Alaska Airlines
Mon 3/166:30 am
SFO
-
BLI
1 stop4h 43m
Alaska Airlines
Deal found 1/27$265
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:04 pm
BLI
-
SFO
1 stop5h 52m
Alaska Airlines
Tue 3/176:30 am
SFO
-
BLI
1 stop4h 43m
Alaska Airlines
Deal found 1/27$275
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:00 am
BLI
-
SFO
1 stop25h 01m
Alaska Airlines
Tue 5/1911:56 am
SFO
-
BLI
1 stop10h 50m
Alaska Airlines
Deal found 1/27$283
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:19 pm
BLI
-
SFO
1 stop5h 36m
Alaska Airlines
Sun 3/156:30 am
SFO
-
BLI
1 stop4h 43m
Alaska Airlines
Deal found 1/27$287
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:55 pm
BLI
-
SFO
1 stop6h 00m
Hawaiian Airlines
Wed 3/1811:28 am
SFO
-
BLI
1 stop6h 11m
Hawaiian Airlines
Deal found 1/27$305
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:19 pm
BLI
-
SFO
1 stop6h 37m
Alaska Airlines
Wed 3/1811:28 am
SFO
-
BLI
1 stop6h 11m
Alaska Airlines
Deal found 1/27$309
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:04 pm
BLI
-
SFO
1 stop5h 52m
Alaska Airlines
Sat 3/218:59 pm
SFO
-
BLI
1 stop15h 17m
Alaska Airlines
Deal found 1/27$325
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:04 pm
BLI
-
SFO
1 stop5h 52m
Alaska Airlines
Fri 3/208:00 am
SFO
-
BLI
1 stop14h 50m
Alaska Airlines
Deal found 1/27$330

Find flight deals from Bellingham to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$220
(Trip.com)

One-way from

$103
(Trip.com)

Popular in

September

Cheapest in

July

Average price

$356
Provider with most accurate pricing for Bellingham-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bellingham-San Francisco flights.
Search Deals
From Bellingham to San Francisco
Search Deals
One-way flight from Bellingham to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Bellingham to San Francisco that are best for you.

Fly from

Bellingham

Fly to

San Francisco

Route

Depart

Return

Price

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sat 2/21

5:04 pm-10:56 pm

1 stop5h 52m

San Francisco

Sat 2/28

6:30 am-11:13 am

1 stop4h 43m

$220

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sat 2/21

5:04 pm-10:56 pm

1 stop5h 52m

San Francisco

Sun 3/15

6:30 am-11:13 am

1 stop4h 43m

$275

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Fri 5/15

8:00 am-9:01 am

1 stop25h 01m

San Francisco

Tue 5/19

11:56 am-10:46 pm

1 stop10h 50m

$283

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Thu 2/19

4:19 pm-9:55 pm

1 stop5h 36m

San Francisco

Sun 3/15

6:30 am-11:13 am

1 stop4h 43m

$287

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Fri 2/20

4:19 pm-10:56 pm

1 stop6h 37m

San Francisco

Mon 2/23

6:30 am-11:13 am

1 stop4h 43m

$287

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Fri 2/20

4:19 pm-8:36 pm

1 stop4h 17m

San Francisco

Mon 3/16

6:30 am-11:13 am

1 stop4h 43m

$287

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Thu 2/19

4:19 pm-9:55 pm

1 stop5h 36m

San Francisco

Tue 3/17

6:30 am-11:13 am

1 stop4h 43m

$287

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sat 2/21

5:04 pm-10:56 pm

1 stop5h 52m

San Francisco

Wed 3/18

10:16 am-5:39 pm

2 stops7h 23m

$300

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sat 2/21

5:04 pm-10:56 pm

1 stop5h 52m

San Francisco

Tue 3/17

12:30 pm-11:57 pm

2 stops11h 27m

$300

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Fri 2/20

4:19 pm-10:56 pm

1 stop6h 37m

San Francisco

Wed 3/18

11:28 am-5:39 pm

1 stop6h 11m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
1
2

Compare providers for flights from Bellingham to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bellingham to San Francisco in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bellingham-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bellingham-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bellingham-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bellingham-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bellingham-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bellingham to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Bellingham with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bellingham to San Francisco

What is the cheapest month to book a flight from Bellingham to San Francisco?

Currently, July is the cheapest month in which you can book a flight from Bellingham to San Francisco (average of $78). Flying from Bellingham to San Francisco in November is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Alaska Airlines and Allegiant Air from Bellingham to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.2
Good
706 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Bellingham to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bellingham to San Francisco?

    A quick flight from Bellingham to San Francisco can take about 5h 52m. Hawaiian Airlines provides one of the quickest options available for as low as $220. There are 771 mi between Bellingham and San Francisco.

  • What are the cheapest airlines flying from Bellingham to San Francisco round-trip?

    Currently priced at $94, Allegiant Air will fly you from Bellingham to San Francisco and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $273. You may be able to fly from Bellingham to San Francisco for 71% less than the average price by searching for these airlines.

  • Can I find deals for flights from Bellingham to San Francisco that include hotel bookings?

    Yes. In addition to deals on Bellingham to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bellingham to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bellingham to San Francisco.

  • Can I find deals for business class flights from Bellingham to San Francisco?

    Yes. Cheapflights offers flight deals from Bellingham to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bellingham to San Francisco?

    Currently, July is the cheapest month in which you can book a flight from Bellingham to San Francisco (average of $78). Flying from Bellingham to San Francisco in November is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Bellingham to San Francisco

Discover the top 2 airlines that operate flights from Bellingham to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$94Average$126FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$273Average$363FlexibilityNo cancel feeOn-time75%

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