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$130+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SFO
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
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 December 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:45 pmBLI - SFO
2 stops28h 45mMultiple Airlines
Sat 12/276:00 amSFO - BLI
1 stop15h 57mMultiple Airlines
Deal found 12/14$476
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:54 pmBLI - SFO
1 stop11h 54mMultiple Airlines
Sat 1/36:00 amSFO - BLI
1 stop7h 42mMultiple Airlines
Deal found 12/14$528
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amBLI - SFO
1 stop15h 49mMultiple Airlines
Fri 1/21:29 pmSFO - BLI
2 stops24h 13mMultiple Airlines
Deal found 12/14$552
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 amBLI - SFO
1 stop13h 36mMultiple Airlines
Sun 12/2810:31 pmSFO - BLI
2 stops24h 50mMultiple Airlines
Deal found 12/14$553
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amBLI - SFO
1 stop6h 34mMultiple Airlines
Sat 12/208:33 amSFO - BLI
1 stop13h 11mMultiple Airlines
Deal found 12/13$566
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:02 pmBLI - SFO
1 stop24h 49mMultiple Airlines
Sun 12/216:00 amSFO - BLI
1 stop7h 42mMultiple Airlines
Deal found 12/13$576
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amBLI - SFO
1 stop25h 48mMultiple Airlines
Tue 12/306:00 amSFO - BLI
1 stop7h 42mMultiple Airlines
Deal found 12/14$585

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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Kiwi.com)

One-way from

$130
(Trip.com)

Popular in

September

Cheapest in

July

Average price

$352
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. 15% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 14, 2025.
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

Sun 2/22

2:18 pm-5:58 pm

1 stop27h 40m

San Francisco

Fri 2/27

2:15 pm-9:14 pm

1 stop6h 59m

$226

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Mon 2/23

3:05 pm-10:01 pm

2 stops30h 56m

San Francisco

Fri 2/27

2:15 pm-9:14 pm

1 stop6h 59m

$228

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sun 3/8

5:15 am-10:37 am

1 stop5h 22m

San Francisco

Wed 3/11

8:42 am-3:15 pm

1 stop6h 33m

$269

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sun 2/22

5:15 am-11:59 pm

1 stop18h 44m

San Francisco

Fri 2/27

6:30 am-11:13 am

1 stop4h 43m

$295

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Thu 3/19

6:25 pm-10:10 pm

1 stop3h 45m

San Francisco

Sun 3/22

7:00 am-12:14 pm

1 stop5h 14m

$302

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Fri 1/9

5:15 am-9:58 pm

1 stop16h 43m

$148

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Wed 1/7

5:15 am-5:59 pm

1 stop12h 44m

$148

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Fri 1/9

9:30 am-10:56 pm

2 stops37h 26m

$151

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sat 1/3

7:30 am-7:48 am

1 stop24h 18m

$157

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sun 4/26

5:20 am-10:31 am

1 stop5h 11m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 14 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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bellingham-San Francisco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

What is the cheapest time of day to fly from BLI to SFO?

Find hourly flight availability from Bellingham to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 14, 2025.

One of the essential ways to save on airfare from Bellingham to San Francisco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.

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 December 14, 2025.
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
11,448 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
11,448 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
700 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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.

  • 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
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$94Average$126FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$273Average$369FlexibilityNo cancel feeOn-time75%

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