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Cheap flights from Bellingham to San Diego from C$ 235

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
1 Aug — 8 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bellingham to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Bellingham to San Diego
Explore the most affordable flight options available from Bellingham to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Sun 26/71:16 p.m.
BLI
-
SAN
2 stops34h 48m
Multiple Airlines
Thu 30/78:51 p.m.
SAN
-
BLI
1 stop11h 48m
Multiple Airlines
Deal found 27/6C$ 405
Sat 10/108:20 a.m.
BLI
-
SAN
1 stop11h 58m
Alaska Airlines
Wed 14/102:11 p.m.
SAN
-
BLI
1 stop8h 24m
Alaska Airlines
Deal found 1/7C$ 456
Wed 7/102:09 p.m.
BLI
-
SAN
1 stop7h 49m
Alaska Airlines
Sat 10/1011:02 a.m.
SAN
-
BLI
1 stop11h 33m
Alaska Airlines
Deal found 1/7C$ 478
Fri 28/87:30 a.m.
BLI
-
SAN
1 stop27h 00m
Alaska Airlines
Mon 31/88:16 p.m.
SAN
-
BLI
1 stop26h 15m
Alaska Airlines
Deal found 27/6C$ 486
Wed 19/87:30 a.m.
BLI
-
SAN
1 stop9h 06m
Alaska Airlines
Tue 1/92:17 p.m.
SAN
-
BLI
1 stop8h 14m
Alaska Airlines
Deal found 28/6C$ 492
Tue 4/85:26 p.m.
BLI
-
SAN
1 stop6h 06m
Alaska Airlines
Sat 8/86:35 p.m.
SAN
-
BLI
1 stop5h 31m
Alaska Airlines
Deal found 1/7C$ 498
Sat 10/108:20 a.m.
BLI
-
SAN
1 stop11h 58m
Alaska Airlines
Fri 16/108:25 p.m.
SAN
-
BLI
1 stop17h 04m
Alaska Airlines
Deal found 1/7C$ 500
Sat 10/108:20 a.m.
BLI
-
SAN
1 stop4h 55m
Alaska Airlines
Tue 13/102:33 p.m.
SAN
-
BLI
2 stops8h 02m
Alaska Airlines
Deal found 1/7C$ 505
Fri 9/108:20 a.m.
BLI
-
SAN
1 stop11h 58m
Alaska Airlines
Wed 14/103:37 p.m.
SAN
-
BLI
1 stop6h 58m
Alaska Airlines
Deal found 1/7C$ 507
Mon 5/107:18 p.m.
BLI
-
SAN
1 stop4h 41m
Alaska Airlines
Sat 10/103:37 p.m.
SAN
-
BLI
1 stop6h 58m
Alaska Airlines
Deal found 1/7C$ 515

Find flight deals from Bellingham to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to San Diego (SAN). 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 2 July 2026.

Round-trip from

C$ 405

One-way from

C$ 235

Popular in

September

Cheapest in

December

Average price

C$ 540

Good round-trip deal

C$ 456 or less
26/7-30/7
  • 26/7-30/7
  • 3 total stops
  • 46h 36m total
  • Bellingham to San Diego
Search Deals
20/8
  • 20/8
  • 1 total stop
  • 12h 34m total
  • Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Bellingham to San Diego.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham to San Diego 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 2 July 2026.
Use the filters below to find and compare flights from Bellingham to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sun 26/7

1:16 p.m.-12:04 a.m.

2 stops34h 48m

San Diego

Thu 30/7

8:51 p.m.-8:39 a.m.

1 stop11h 48m

C$ 405

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 28/8

7:30 a.m.-10:30 a.m.

1 stop27h 00m

San Diego

Mon 31/8

8:16 p.m.-10:31 p.m.

1 stop26h 15m

C$ 486

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 19/8

7:30 a.m.-8:24 p.m.

1 stop12h 54m

San Diego

Mon 31/8

8:33 p.m.-1:12 p.m.

1 stop16h 39m

C$ 515

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 5/10

2:09 p.m.-9:58 p.m.

1 stop7h 49m

San Diego

Tue 13/10

3:37 p.m.-10:35 p.m.

1 stop6h 58m

C$ 515

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 19/8

7:30 a.m.-4:50 p.m.

2 stops9h 20m

San Diego

Wed 2/9

11:06 a.m.-10:31 p.m.

1 stop11h 25m

C$ 540

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 8/10

2:09 p.m.-10:58 p.m.

1 stop8h 49m

San Diego

Wed 14/10

5:57 p.m.-10:35 p.m.

1 stop4h 38m

C$ 557
Quickest round-trip

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 19/8

7:30 a.m.-1:18 p.m.

1 stop5h 48m

San Diego

Sun 30/8

6:15 a.m.-1:12 p.m.

1 stop6h 57m

C$ 586

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 28/9

7:00 a.m.-10:30 a.m.

1 stop27h 30m

San Diego

Thu 1/10

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

1 stop26h 25m

C$ 587
Cheapest one-way
Quickest one-way

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 20/8

7:30 a.m.-8:04 p.m.

1 stop12h 34m

C$ 235

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 22/8

7:19 p.m.-10:39 a.m.

1 stop15h 20m

C$ 286

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Sorted by cheapest first

Best time to book a flight from Bellingham to San Diego

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

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

Currently, December is the cheapest month in which you can book a flight from Bellingham to San Diego (average of C$ 154). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,136). 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 Bellingham to San Diego?

Related info for your journey

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

  • How popular is this Bellingham to San Diego flight route?

    This flight path from Bellingham to San Diego was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Alaska Airlines fly from Bellingham to San Diego in about 27h. The time it takes to get you to your destination can typically vary by up to . Bellingham and San Diego are separated by a distance of 1839 km.

  • What are the cheapest flights from Bellingham to San Diego?

    Looking at all options, your cheapest flight can be booked for C$ 447. While the most popular route (Bellingham - San Diego) can be booked for C$ 607 on average, our data indicates C$ 470 when flying from Bellingham to San Diego.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Bellingham to San Diego (average of C$ 154). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,136). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

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