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Cheap flights from San Diego to Bellingham from C$ 137

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BLI
15 Sep — 22 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 16 August 2026.

Sat 10/106:00 p.m. -
1 stop4h 35m
Wed 14/107:18 p.m. -
1 stop27h 40m
Deal found 14/8C$ 497
Sat 10/102:10 p.m. -
1 stop8h 25m
Sun 11/107:18 p.m. -
1 stop16h 32m
Deal found 14/8C$ 504
Tue 6/106:15 a.m. -
1 stop7h 22m
Sat 10/102:17 p.m. -
1 stop7h 41m
Deal found 12/8C$ 520
Tue 6/106:15 a.m. -
1 stop7h 22m
Tue 13/107:18 p.m. -
1 stop16h 32m
Deal found 12/8C$ 530
Thu 8/102:59 p.m. -
1 stop8h 54m
Tue 13/107:18 p.m. -
1 stop19h 20m
Deal found 14/8C$ 538
Wed 7/105:20 p.m. -
1 stop6h 33m
Wed 14/102:17 p.m. -
1 stop7h 41m
Deal found 12/8C$ 540
Tue 6/106:15 a.m. -
1 stop7h 22m
Sun 11/107:18 p.m. -
1 stop4h 41m
Deal found 12/8C$ 544
Fri 9/106:15 a.m. -
1 stop17h 38m
Tue 13/107:18 p.m. -
1 stop18h 05m
Deal found 14/8C$ 545
Fri 9/105:20 p.m. -
1 stop6h 33m
Thu 15/107:18 p.m. -
1 stop4h 41m
Deal found 14/8C$ 552
Sat 10/106:15 a.m. -
1 stop7h 22m
Sat 10/107:18 p.m. -
1 stop16h 32m
Deal found 12/8C$ 556
Fri 9/107:27 p.m. -
1 stop18h 10m
Wed 14/102:17 p.m. -
1 stop5h 26m
Deal found 12/8C$ 563

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 16 August 2026.

Round-trip from

C$ 497

One-way from

C$ 137

Popular in

September

Cheapest in

November

Average price

C$ 713
Alaska Airlines
  • Alaska Airlines
  • 10/10-14/10
  • 2 total stops
  • 32h 15m total
  • San Diego to Bellingham
Search Deals
15/10
  • 15/10
  • 1 total stop
  • 15h 36m total
  • San Diego to Bellingham
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 16 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 San Diego - BLI Bellingham

SANBLI

San Diego

Fri 9/10

6:15 a.m.-11:53 p.m.

1 stop17h 38m

Bellingham

Wed 14/10

7:18 p.m.-10:58 p.m.

1 stop27h 40m

C$ 545

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Sat 10/10

2:10 p.m.-10:35 p.m.

1 stop8h 25m

Bellingham

Wed 14/10

7:18 p.m.-8:21 a.m.

2 stops13h 03m

C$ 553

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Tue 6/10

6:15 a.m.-1:37 p.m.

1 stop7h 22m

Bellingham

Mon 12/10

7:18 p.m.-1:23 p.m.

1 stop18h 05m

C$ 565

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Thu 17/9

8:06 p.m.-10:31 p.m.

1 stop26h 25m

Bellingham

Mon 21/9

7:00 a.m.-4:36 p.m.

1 stop9h 36m

C$ 644

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Thu 8/10

1:10 p.m.-11:53 p.m.

2 stops10h 43m

Bellingham

Sun 11/10

7:18 p.m.-8:45 a.m.

2 stops13h 27m

C$ 655
Quickest round-trip

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Sun 1/11

5:33 p.m.-10:30 p.m.

1 stop4h 57m

Bellingham

Mon 2/11

12:46 p.m.-5:37 p.m.

1 stop4h 51m

C$ 663
Cheapest one-way

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Wed 9/9

5:54 p.m.-1:41 p.m.

1 stop19h 47m

C$ 153

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Sat 10/10

5:44 p.m.-1:40 p.m.

1 stop19h 56m

C$ 273
Quickest one-way

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Wed 14/10

6:00 p.m.-10:35 p.m.

1 stop4h 35m

C$ 300

San DiegoBellingham

SAN San Diego - BLI Bellingham

SANBLI

San Diego

Sat 12/9

12:54 p.m.-11:44 p.m.

2 stops10h 50m

C$ 341

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/8

Showing 1-10 of 15 resultsSorted by cheapest first
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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$ 419). Flying from San Diego to Bellingham in September is currently the most expensive (average of C$ 838). 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$ 713 and C$ 716 in October.
The cheapest round-trip price found within the last 5 days was C$ 497 on Alaska Airlines (10 Oct-14 Oct).

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 38m. 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$ 419). Flying from San Diego to Bellingham in September is currently the most expensive (average of C$ 838). 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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How does Cheapflights help users find flights from San Diego to Bellingham?

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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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