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Cheap flights from San Diego to Bellingham from C$ 396

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BLI
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Bellingham

Enter your travel dates to find the best prices.

Cheapest flights from San Diego to Bellingham
Explore the most affordable flight options available from San Diego to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 August 2026.

Tue 15/94:50 p.m.
SAN
-
BLI
1 stop6h 54m
Alaska Airlines
Tue 22/97:26 p.m.
BLI
-
SAN
1 stop17h 55m
Alaska Airlines
Deal found 30/7C$ 396
Tue 15/97:15 a.m.
SAN
-
BLI
1 stop16h 29m
Alaska Airlines
Sat 19/97:00 a.m.
BLI
-
SAN
1 stop10h 36m
Alaska Airlines
Deal found 30/7C$ 410
Sat 22/84:02 p.m.
SAN
-
BLI
1 stop6h 29m
Alaska Airlines
Fri 28/87:30 a.m.
BLI
-
SAN
1 stop4h 21m
Alaska Airlines
Deal found 30/7C$ 430
Tue 15/99:31 a.m.
SAN
-
BLI
1 stop14h 13m
Alaska Airlines
Sun 20/97:26 p.m.
BLI
-
SAN
1 stop15h 20m
Alaska Airlines
Deal found 30/7C$ 439
Thu 10/96:15 a.m.
SAN
-
BLI
1 stop17h 29m
Alaska Airlines
Sun 13/97:00 a.m.
BLI
-
SAN
1 stop10h 36m
Alaska Airlines
Deal found 30/7C$ 453
Thu 17/94:50 p.m.
SAN
-
BLI
1 stop6h 54m
Alaska Airlines
Wed 23/97:00 a.m.
BLI
-
SAN
1 stop4h 49m
Alaska Airlines
Deal found 30/7C$ 467
Sat 22/84:02 p.m.
SAN
-
BLI
1 stop6h 29m
Alaska Airlines
Tue 1/97:30 a.m.
BLI
-
SAN
1 stop10h 06m
Alaska Airlines
Deal found 30/7C$ 469
Mon 14/92:17 p.m.
SAN
-
BLI
1 stop8h 14m
Alaska Airlines
Tue 22/97:26 p.m.
BLI
-
SAN
1 stop17h 55m
Alaska Airlines
Deal found 30/7C$ 474
Tue 15/94:22 p.m.
SAN
-
BLI
2 stops6h 09m
Alaska Airlines
Mon 21/97:00 a.m.
BLI
-
SAN
1 stop6h 16m
Alaska Airlines
Deal found 30/7C$ 478
Mon 24/84:50 p.m.
SAN
-
BLI
1 stop7h 09m
Alaska Airlines
Fri 28/87:30 a.m.
BLI
-
SAN
1 stop5h 48m
Alaska Airlines
Deal found 30/7C$ 486
Mon 14/96:12 p.m.
SAN
-
BLI
1 stop4h 19m
Alaska Airlines
Wed 23/97:00 a.m.
BLI
-
SAN
1 stop6h 16m
Alaska Airlines
Deal found 30/7C$ 488

Find flight deals from San Diego to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Bellingham (BLI). 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 3 August 2026.

Round-trip from

C$ 396

Popular in

April

Cheapest in

November

Average price

C$ 720
Alaska Airlines
  • Alaska Airlines
  • 15/9-22/9
  • 2 total stops
  • 24h 49m total
  • San Diego to Bellingham
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Bellingham 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 629,999 searches. Data last updated 3 August 2026.
Use the filters below to find and compare flights from San Diego to Bellingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Thu 10/9

6:15 a.m.-11:44 p.m.

1 stop17h 29m

Bellingham

Sun 13/9

7:00 a.m.-5:36 p.m.

1 stop10h 36m

C$ 453

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 5/9

4:50 p.m.-11:59 p.m.

1 stop7h 09m

Bellingham

Mon 7/9

7:19 p.m.-11:45 a.m.

1 stop16h 26m

C$ 467

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 25/8

4:50 p.m.-11:59 p.m.

1 stop7h 09m

Bellingham

Tue 1/9

7:30 a.m.-11:51 a.m.

1 stop4h 21m

C$ 469
Quickest round-trip

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 16/9

6:12 p.m.-10:31 p.m.

1 stop4h 19m

Bellingham

Wed 23/9

7:00 a.m.-1:16 p.m.

1 stop6h 16m

C$ 488

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 2/9

6:35 p.m.-11:59 p.m.

1 stop5h 24m

Bellingham

Fri 4/9

7:19 p.m.-2:44 p.m.

1 stop19h 25m

C$ 502

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 18/9

4:02 p.m.-10:31 p.m.

1 stop6h 29m

Bellingham

Mon 21/9

7:00 a.m.-11:49 a.m.

1 stop4h 49m

C$ 502

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Sorted by cheapest first

Best time to book a flight from San Diego to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from San Diego 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 San Diego to Bellingham

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

Currently, November is the cheapest month in which you can book a flight from San Diego to Bellingham (average of C$ 423). Flying from San Diego to Bellingham in April is currently the most expensive (average of C$ 757). 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.

How much does it cost to fly round-trip from San Diego to Bellingham?

Airfare is below average for this route at the moment.

San Diego to Bellingham flights typically cost between C$ 579 and C$ 723 in September.
The cheapest round-trip price found within the last 5 days was C$ 396 on Alaska Airlines (15 Sep-22 Sep).

Related info for your journey

Find useful and relevant information for your journey from San Diego to Bellingham. 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 San Diego to Bellingham?

    Departing from San Diego to Bellingham will take you 17h 29m. The distance from San Diego to Bellingham is about 1839 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Bellingham 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 San Diego to Bellingham?

    Currently, November is the cheapest month in which you can book a flight from San Diego to Bellingham (average of C$ 423). Flying from San Diego to Bellingham in April is currently the most expensive (average of C$ 757). 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

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Why should you use Cheapflights to find cheap flight tickets from San Diego to Bellingham?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego to Bellingham.

Can Cheapflights find flights from San Diego to Bellingham with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego to Bellingham, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Diego to Bellingham become cheaper?

Yes, Cheapflights offers price alerts on San Diego to Bellingham flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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