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Cheap flights from Bellingham to San Diego from C$ 253

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
13 Jul — 20 Jul1
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 13 June 2026.

Thu 17/97:30 a.m.
BLI
-
SAN
1 stop13h 18m
Multiple Airlines
Sun 20/99:57 a.m.
SAN
-
BLI
1 stop11h 40m
Multiple Airlines
Deal found 12/6C$ 403
Sun 23/85:53 p.m.
BLI
-
SAN
1 stop27h 05m
Multiple Airlines
Sat 29/89:53 p.m.
SAN
-
BLI
1 stop15h 44m
Multiple Airlines
Deal found 12/6C$ 415
Sun 23/85:53 p.m.
BLI
-
SAN
1 stop27h 05m
Multiple Airlines
Sun 30/89:53 p.m.
SAN
-
BLI
1 stop16h 14m
Multiple Airlines
Deal found 12/6C$ 464
Thu 27/87:30 a.m.
BLI
-
SAN
1 stop4h 21m
Alaska Airlines
Mon 31/88:16 p.m.
SAN
-
BLI
1 stop26h 15m
Alaska Airlines
Deal found 10/6C$ 519
Thu 5/1112:46 p.m.
BLI
-
SAN
1 stop4h 50m
Alaska Airlines
Mon 9/116:02 p.m.
SAN
-
BLI
1 stop18h 04m
Alaska Airlines
Deal found 10/6C$ 569
Wed 8/75:26 p.m.
BLI
-
SAN
1 stop6h 30m
Alaska Airlines
Sat 18/71:59 p.m.
SAN
-
BLI
1 stop10h 07m
Alaska Airlines
Deal found 9/6C$ 580
Sun 23/87:19 p.m.
BLI
-
SAN
1 stop16h 26m
Alaska Airlines
Fri 28/88:16 p.m.
SAN
-
BLI
1 stop26h 15m
Alaska Airlines
Deal found 12/6C$ 584
Fri 7/88:30 a.m.
BLI
-
SAN
1 stop11h 48m
Alaska Airlines
Mon 10/86:50 a.m.
SAN
-
BLI
1 stop15h 40m
Alaska Airlines
Deal found 8/6C$ 597

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 13 June 2026.

Round-trip from

C$ 403

One-way from

C$ 253

Popular in

September

Cheapest in

December

Average price

C$ 519

Good round-trip deal

C$ 449 or less
17/9-20/9
  • 17/9-20/9
  • 2 total stops
  • 24h 58m total
  • Bellingham to San Diego
Search Deals
16/7
  • 16/7
  • 1 total stop
  • 6h 50m total
  • Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 13 June 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

Thu 5/11

12:46 p.m.-5:36 p.m.

1 stop4h 50m

San Diego

Mon 9/11

6:02 p.m.-12:06 p.m.

1 stop18h 04m

C$ 569
Quickest round-trip

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 8/7

5:26 p.m.-11:56 p.m.

1 stop6h 30m

San Diego

Sat 18/7

1:59 p.m.-12:06 a.m.

1 stop10h 07m

C$ 580

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sun 23/8

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

1 stop16h 26m

San Diego

Fri 28/8

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

1 stop26h 15m

C$ 584

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sun 1/11

12:46 p.m.-9:53 a.m.

1 stop21h 07m

San Diego

Thu 5/11

6:02 p.m.-12:06 p.m.

1 stop18h 04m

C$ 615

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 7/8

1:49 p.m.-7:04 a.m.

2 stops17h 15m

San Diego

Mon 10/8

10:32 p.m.-11:59 p.m.

2 stops25h 27m

C$ 628

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 4/9

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

1 stop16h 26m

San Diego

Mon 7/9

10:30 p.m.-11:44 p.m.

2 stops25h 14m

C$ 635

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 24/8

7:19 p.m.-8:48 a.m.

2 stops13h 29m

San Diego

Thu 27/8

10:30 p.m.-11:59 p.m.

2 stops25h 29m

C$ 637
Cheapest one-way

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 16/7

1:16 p.m.-8:06 p.m.

1 stop6h 50m

C$ 253
Quickest one-way

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 2/7

1:16 p.m.-7:34 p.m.

1 stop6h 18m

C$ 277

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 11/7

5:26 p.m.-11:56 p.m.

1 stop6h 30m

C$ 322

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 13 resultsSorted by cheapest first
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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$ 151). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,117). 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 16h 09m. 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$ 439. While the most popular route (Bellingham - San Diego) can be booked for C$ 637 on average, our data indicates C$ 462 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$ 151). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,117). 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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