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$187+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$216
(Trip.com)

One-way from

$187
(Alaska Airlines)

Popular in

December

Cheapest in

July

Average price

$147
From Bellingham to San Francisco
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One-way flight from Bellingham to San Francisco
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Highest demand for flights based on searches. 16% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This Trip.com deal was found by Cheapflights users on 7/29. 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.
Thu 8/216:00 amBLI - SFO
1 stop13h 15mMultiple Airlines
Sun 8/245:45 amSFO - BLI
1 stop27h 16mMultiple Airlines
Deal found 7/29$216
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:08 pmBLI - SFO
1 stop5h 01mAlaska Airlines
Tue 9/96:20 pmSFO - BLI
1 stop5h 51mAlaska Airlines
Deal found 7/28$234
This Hawaiian Airlines deal was found by Cheapflights users on 7/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:08 pmBLI - SFO
1 stop6h 11mHawaiian Airlines
Tue 9/26:20 pmSFO - BLI
1 stop5h 51mHawaiian Airlines
Deal found 7/27$273

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 July 29, 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

Thu 8/21

6:00 am-7:15 pm

1 stop13h 15m

San Francisco

Sun 8/24

5:45 am-9:01 am

1 stop27h 16m

$216

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sat 9/6

1:08 pm-6:09 pm

1 stop5h 01m

San Francisco

Tue 9/9

6:20 pm-12:11 am

1 stop5h 51m

$234

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Tue 8/26

1:08 pm-7:19 pm

1 stop6h 11m

San Francisco

Tue 9/2

6:20 pm-12:11 am

1 stop5h 51m

$273

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sun 9/28

3:47 pm-10:32 am

1 stop18h 45m

$187

BellinghamSan Francisco

BLI - SFO

BLISFO

Bellingham

Sun 9/14

7:30 am-12:02 pm

2 stops28h 32m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, January is the cheapest month in which you can book a flight from Bellingham to San Francisco (average of $276). Flying from Bellingham to San Francisco in June is currently the most expensive (average of $358). 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 July 29, 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 morning could potentially save you up to 48% 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 July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines and Hawaiian Airlines 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
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

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 $234, Alaska Airlines will fly you from Bellingham to San Francisco and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Hawaiian Airlines for as low as $273. You may be able to fly from Bellingham to San Francisco for 30% 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, January is the cheapest month in which you can book a flight from Bellingham to San Francisco (average of $276). Flying from Bellingham to San Francisco in June is currently the most expensive (average of $358). 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
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$94Average$156FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$260Average$383FlexibilityNo cancel feeOn-time75%

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