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Cheap flights from Bellingham to San Diego from C$ 130

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
8 Sep — 15 Sep1
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 9 August 2026.

Mon 12/106:00 a.m. -
1 stop14h 48m
Thu 15/1010:25 a.m. -
1 stop25h 45m
Deal found 8/8C$ 224
Fri 25/92:01 p.m. -
1 stop26h 58m
Wed 30/95:54 p.m. -
1 stop19h 46m
Deal found 5/8C$ 256
Sun 11/104:58 p.m. -
2 stops25h 20m
Thu 15/109:43 p.m. -
1 stop14h 27m
Deal found 8/8C$ 262
Mon 12/106:00 a.m. -
1 stop14h 48m
Sat 17/104:36 p.m. -
2 stops21h 04m
Deal found 8/8C$ 304
Fri 16/106:00 a.m. -
1 stop14h 48m
Thu 22/1010:25 a.m. -
1 stop25h 45m
Deal found 8/8C$ 309
Thu 8/104:58 p.m. -
1 stop27h 50m
Thu 15/109:43 p.m. -
1 stop14h 27m
Deal found 8/8C$ 312

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 9 August 2026.

Round-trip from

C$ 224

One-way from

C$ 130

Popular in

September

Cheapest in

December

Average price

C$ 741

Good round-trip deal

C$ 447 or less
12/10-15/10
  • 12/10-15/10
  • 2 total stops
  • 40h 33m total
  • Bellingham to San Diego
Search Deals
21/9
  • 21/9
  • 1 total stop
  • 6h 16m total
  • Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 9 August 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 Bellingham - SAN San Diego

BLISAN

Bellingham

Mon 12/10

6:00 a.m.-8:48 p.m.

1 stop14h 48m

San Diego

Fri 16/10

1:35 p.m.-11:34 p.m.

2 stops9h 59m

C$ 332

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Thu 27/8

5:53 p.m.-8:14 p.m.

1 stop26h 21m

San Diego

Sun 6/9

10:00 a.m.-4:09 p.m.

1 stop6h 09m

C$ 458

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Tue 13/10

7:18 p.m.-11:50 a.m.

1 stop16h 32m

San Diego

Tue 20/10

6:27 p.m.-11:53 p.m.

1 stop5h 26m

C$ 532

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Tue 13/10

7:18 p.m.-11:50 a.m.

1 stop16h 32m

San Diego

Sat 17/10

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

1 stop7h 22m

C$ 532

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Sun 11/10

2:17 p.m.-11:59 p.m.

1 stop9h 42m

San Diego

Sat 17/10

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

1 stop7h 22m

C$ 546

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Sat 10/10

2:17 p.m.-7:43 p.m.

1 stop5h 26m

San Diego

Mon 19/10

8:28 p.m.-1:37 p.m.

1 stop17h 09m

C$ 564

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Sat 7/11

8:33 a.m.-7:52 p.m.

2 stops11h 19m

San Diego

Wed 11/11

6:22 p.m.-11:45 p.m.

1 stop5h 23m

C$ 569

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Tue 13/10

7:18 p.m.-10:06 a.m.

1 stop14h 48m

San Diego

Sun 18/10

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

1 stop17h 38m

C$ 576

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Tue 1/12

12:46 p.m.-10:01 a.m.

1 stop21h 15m

San Diego

Wed 9/12

7:05 p.m.-11:45 p.m.

1 stop4h 40m

C$ 581

BellinghamSan Diego

BLI Bellingham - SAN San Diego

BLISAN

Bellingham

Mon 12/10

7:18 p.m.-10:06 a.m.

1 stop14h 48m

San Diego

Fri 16/10

2:59 p.m.-1:37 p.m.

1 stop22h 38m

C$ 596

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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$ 150). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,113). 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?

Airfare is below average for this route at the moment.

Bellingham to San Diego flights typically cost between C$ 616 and C$ 741 in October.
The cheapest round-trip price found within the last 5 days was C$ 224 on Multiple Airlines (12 Oct-15 Oct).

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 32m. 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$ 438. While the most popular route (Bellingham - San Diego) can be booked for C$ 293 on average, our data indicates C$ 460 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$ 150). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,113). 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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