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Cheap flights from Bellingham to San Diego from C$ 170

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
27 Jul — 3 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 27 June 2026.

Thu 23/71:16 p.m.
BLI
-
SAN
1 stop6h 50m
Multiple Airlines
Tue 11/83:03 p.m.
SAN
-
BLI
2 stops45h 35m
Multiple Airlines
Deal found 23/6C$ 383
Thu 23/71:16 p.m.
BLI
-
SAN
1 stop6h 50m
Multiple Airlines
Wed 12/83:03 p.m.
SAN
-
BLI
1 stop19h 43m
Multiple Airlines
Deal found 23/6C$ 386
Tue 29/97:00 a.m.
BLI
-
SAN
1 stop27h 30m
Alaska Airlines
Tue 6/105:57 p.m.
SAN
-
BLI
1 stop4h 38m
Alaska Airlines
Deal found 25/6C$ 441
Tue 15/97:00 a.m.
BLI
-
SAN
1 stop10h 36m
Alaska Airlines
Fri 18/98:06 p.m.
SAN
-
BLI
1 stop26h 25m
Alaska Airlines
Deal found 24/6C$ 457
Fri 24/73:42 p.m.
BLI
-
SAN
1 stop28h 24m
Multiple Airlines
Fri 7/86:25 a.m.
SAN
-
BLI
2 stops15h 29m
Multiple Airlines
Deal found 23/6C$ 465
Thu 1/107:00 a.m.
BLI
-
SAN
1 stop9h 36m
Alaska Airlines
Tue 6/108:05 p.m.
SAN
-
BLI
1 stop26h 30m
Alaska Airlines
Deal found 25/6C$ 470
Tue 28/75:26 p.m.
BLI
-
SAN
1 stop6h 30m
Alaska Airlines
Tue 4/86:35 p.m.
SAN
-
BLI
1 stop5h 24m
Alaska Airlines
Deal found 22/6C$ 498
Thu 5/118:45 p.m.
BLI
-
SAN
1 stop23h 08m
Multiple Airlines
Sun 15/1111:18 a.m.
SAN
-
BLI
1 stop7h 27m
Multiple Airlines
Deal found 26/6C$ 524
Mon 17/81:49 p.m.
BLI
-
SAN
1 stop20h 34m
Alaska Airlines
Mon 24/88:16 p.m.
SAN
-
BLI
1 stop26h 15m
Alaska Airlines
Deal found 23/6C$ 529

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 27 June 2026.

Round-trip from

C$ 383

One-way from

C$ 170

Popular in

September

Cheapest in

December

Average price

C$ 613

Good round-trip deal

C$ 456 or less
23/7-11/8
  • 23/7-11/8
  • 3 total stops
  • 52h 25m total
  • Bellingham to San Diego
Search Deals
30/7
  • 30/7
  • 1 total stop
  • 6h 50m total
  • Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 199 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 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 27 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
Quickest round-trip

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Tue 29/9

7:00 a.m.-6:43 p.m.

2 stops11h 43m

San Diego

Tue 6/10

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

1 stop4h 38m

C$ 490

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$ 555

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sun 25/10

8:20 a.m.-11:36 a.m.

1 stop27h 16m

San Diego

Thu 29/10

8:05 p.m.-10:35 p.m.

1 stop26h 30m

C$ 604

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 17/9

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

2 stops12h 00m

San Diego

Sun 20/9

7:15 a.m.-1:26 p.m.

1 stop6h 11m

C$ 623

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 7/8

5:26 p.m.-9:10 a.m.

1 stop15h 44m

San Diego

Mon 10/8

8:40 a.m.-4:46 p.m.

1 stop8h 06m

C$ 643

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 27/7

5:26 p.m.-9:10 a.m.

1 stop15h 44m

San Diego

Mon 10/8

6:18 a.m.-4:46 p.m.

1 stop10h 28m

C$ 650
Cheapest one-way
Quickest one-way

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 30/7

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

1 stop6h 50m

C$ 170

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 27/7

3:42 p.m.-3:27 p.m.

2 stops23h 45m

C$ 213

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 22/8

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

1 stop15h 20m

C$ 285

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/6

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$ 153). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,134). 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 11h 43m. 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$ 446. While the most popular route (Bellingham - San Diego) can be booked for C$ 539 on average, our data indicates C$ 469 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$ 153). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 1,134). 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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