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Cheap flights from Bellingham to San Diego from C$ 141

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
10 Mar — 17 Mar1
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 8 February 2026.

Sun 8/31:04 p.m.
BLI
-
SAN
1 stop27h 09m
Multiple Airlines
Thu 12/39:07 p.m.
SAN
-
BLI
1 stop15h 07m
Multiple Airlines
Deal found 6/2C$ 287
Sun 8/31:04 p.m.
BLI
-
SAN
1 stop27h 09m
Multiple Airlines
Wed 11/32:08 p.m.
SAN
-
BLI
1 stop22h 01m
Multiple Airlines
Deal found 6/2C$ 317
Sat 28/25:04 p.m.
BLI
-
SAN
1 stop6h 40m
Alaska Airlines
Tue 3/36:15 a.m.
SAN
-
BLI
1 stop4h 58m
Alaska Airlines
Deal found 5/2C$ 323
Tue 21/412:56 p.m.
BLI
-
SAN
1 stop5h 43m
Alaska Airlines
Sat 25/47:15 a.m.
SAN
-
BLI
1 stop5h 05m
Alaska Airlines
Deal found 5/2C$ 324
Sat 7/35:04 p.m.
BLI
-
SAN
1 stop6h 40m
Alaska Airlines
Mon 9/36:15 a.m.
SAN
-
BLI
1 stop4h 58m
Alaska Airlines
Deal found 5/2C$ 335
Sat 28/312:56 p.m.
BLI
-
SAN
1 stop5h 43m
Alaska Airlines
Tue 7/46:02 p.m.
SAN
-
BLI
1 stop4h 48m
Alaska Airlines
Deal found 6/2C$ 365
Fri 27/28:00 a.m.
BLI
-
SAN
1 stop11h 23m
Multiple Airlines
Mon 2/32:00 p.m.
SAN
-
BLI
1 stop7h 14m
Multiple Airlines
Deal found 5/2C$ 366
Mon 30/36:19 p.m.
BLI
-
SAN
1 stop5h 39m
Alaska Airlines
Tue 7/46:02 p.m.
SAN
-
BLI
1 stop4h 48m
Alaska Airlines
Deal found 6/2C$ 375
Thu 26/24:19 p.m.
BLI
-
SAN
1 stop6h 44m
Alaska Airlines
Tue 3/36:15 a.m.
SAN
-
BLI
1 stop4h 58m
Alaska Airlines
Deal found 5/2C$ 376
Mon 30/36:00 a.m.
BLI
-
SAN
1 stop10h 13m
Multiple Airlines
Sat 4/42:51 p.m.
SAN
-
BLI
1 stop21h 16m
Multiple Airlines
Deal found 6/2C$ 379
Sun 29/36:19 p.m.
BLI
-
SAN
1 stop15h 33m
Alaska Airlines
Tue 7/46:02 p.m.
SAN
-
BLI
1 stop4h 48m
Alaska Airlines
Deal found 6/2C$ 388

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 8 February 2026.

Round-trip from

C$ 287

One-way from

C$ 141

Popular in

September

Cheapest in

December

Average price

C$ 521

Good round-trip deal

C$ 439 or less
8/3-12/3
  • 8/3-12/3
  • 2 total stops
  • 42h 16m total
  • Bellingham to San Diego
Search Deals
26/4
  • 26/4
  • 1 total stop
  • 28h 40m total
  • Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 8 February 2026.
Use the filters below to find and compare flights from Bellingham to San Diego that are best for you.

Fly from

Bellingham

Fly to

San Diego

Route

Depart

Return

Price

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sun 8/3

1:04 p.m.-4:13 p.m.

1 stop27h 09m

San Diego

Thu 12/3

9:07 p.m.-12:14 p.m.

1 stop15h 07m

C$ 287

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 28/2

5:04 p.m.-11:44 p.m.

1 stop6h 40m

San Diego

Tue 3/3

6:15 a.m.-11:13 a.m.

1 stop4h 58m

C$ 323

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Tue 31/3

12:56 p.m.-6:39 p.m.

1 stop5h 43m

San Diego

Tue 7/4

6:02 p.m.-10:50 p.m.

1 stop4h 48m

C$ 323

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 28/2

5:04 p.m.-11:44 p.m.

1 stop6h 40m

San Diego

Wed 4/3

6:15 a.m.-11:13 a.m.

1 stop4h 58m

C$ 323

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Tue 31/3

12:56 p.m.-6:39 p.m.

1 stop5h 43m

San Diego

Sat 4/4

6:09 p.m.-11:59 p.m.

1 stop5h 50m

C$ 365

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 22/4

1:00 p.m.-7:39 p.m.

1 stop6h 39m

San Diego

Sat 25/4

10:51 a.m.-6:39 p.m.

1 stop7h 48m

C$ 366

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 28/2

5:04 p.m.-11:44 p.m.

1 stop6h 40m

San Diego

Mon 2/3

6:15 a.m.-11:13 a.m.

1 stop4h 58m

C$ 376

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 27/2

4:19 p.m.-11:03 p.m.

1 stop6h 44m

San Diego

Sat 7/3

6:15 a.m.-11:13 a.m.

1 stop4h 58m

C$ 376

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 26/2

4:19 p.m.-11:03 p.m.

1 stop6h 44m

San Diego

Sat 7/3

6:15 a.m.-11:13 a.m.

1 stop4h 58m

C$ 376

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 27/2

4:19 p.m.-11:03 p.m.

1 stop6h 44m

San Diego

Wed 4/3

6:15 a.m.-11:13 a.m.

1 stop4h 58m

C$ 376

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 18 results
1
2

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, June is the cheapest month in which you can book a flight from Bellingham to San Diego (average of C$ 86). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 410). 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 8 February 2026.
Check out reviews from past customers who have flown with Allegiant Air from Bellingham to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
710 reviews
Check prices

Crew

8.1

Food

5.9

Overall

7.2

Comfort

6.8

Entertainment

5.5

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

LAS - GEG

It would be nice if the seats reclined a little.
Allegiant Air
7.2
Good
710 reviews
Allegiant Air
7.2
Good
710 reviews
Check prices

Crew

8.1

Food

5.9

Overall

7.2

Comfort

6.8

Entertainment

5.5

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

LAS - GEG

It would be nice if the seats reclined a little.

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 4 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 5h 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 is the cheapest airline to fly from Bellingham to San Diego round-trip?

    Cheapflights users have booked flights from Bellingham to San Diego round-trip from C$ 100. Allegiant Air is currently priced 79% below the average price you’ll pay for this route.

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

    Looking at all options, your cheapest flight can be booked for C$ 430. While the most popular route (Bellingham - San Diego) can be booked for C$ 287 on average, our data indicates C$ 452 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, June is the cheapest month in which you can book a flight from Bellingham to San Diego (average of C$ 86). Flying from Bellingham to San Diego in September is currently the most expensive (average of C$ 410). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Bellingham to San Diego

Discover the top airline that operate flights from Bellingham to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 8 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapestC$ 100AverageC$ 178FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bellingham to San Diego?

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Can Cheapflights find flights from Bellingham to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bellingham to San Diego flexibly with Cheapflights today.

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