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$78+ Cheap flights from Bellingham to San Diego (BLI - SAN)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Bellingham to San Diego are usually found in June or July, booked 14 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 August 14, 2025.

Round-trip from

$192
(Mytrip)

One-way from

$78
(Mytrip)

Popular in

November

Cheapest in

June

Average price

$340
From Bellingham to San Diego
Search Deals
One-way flight from Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Bellingham to San Diego

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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:49 pmBLI - SAN
1 stop9h 37mMultiple Airlines
Mon 9/151:35 pmSAN - BLI
1 stop9h 38mMultiple Airlines
Deal found 8/12$192
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/712:53 pmBLI - SAN
1 stop10h 55mMultiple Airlines
Sun 11/167:05 pmSAN - BLI
1 stop13h 41mMultiple Airlines
Deal found 8/13$202
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:54 pmBLI - SAN
1 stop5h 48mMultiple Airlines
Mon 10/273:23 pmSAN - BLI
1 stop7h 55mMultiple Airlines
Deal found 8/12$211
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:49 pmBLI - SAN
1 stop9h 37mMultiple Airlines
Fri 9/126:25 amSAN - BLI
1 stop16h 48mMultiple Airlines
Deal found 8/13$228
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:00 pmBLI - SAN
1 stop11h 37mMultiple Airlines
Tue 9/27:01 pmSAN - BLI
1 stop20h 10mMultiple Airlines
Deal found 8/14$233
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:53 pmBLI - SAN
1 stop10h 02mMultiple Airlines
Thu 11/137:36 amSAN - BLI
1 stop9h 33mMultiple Airlines
Deal found 8/11$245
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:47 pmBLI - SAN
1 stop4h 51mHawaiian Airlines
Sat 9/205:30 pmSAN - BLI
1 stop6h 41mHawaiian Airlines
Deal found 8/14$285
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:39 pmBLI - SAN
1 stop10h 42mMultiple Airlines
Mon 8/258:16 amSAN - BLI
1 stop11h 22mMultiple Airlines
Deal found 8/13$289
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:08 pmBLI - SAN
1 stop8h 49mAlaska Airlines
Mon 9/225:30 pmSAN - BLI
1 stop6h 41mAlaska Airlines
Deal found 8/13$298

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 2,558,603 searches. Data last updated August 14, 2025.
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

Fri 9/12

12:49 pm-10:26 pm

1 stop9h 37m

San Diego

Mon 9/15

1:35 pm-11:13 pm

1 stop9h 38m

$192

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 11/7

12:53 pm-11:48 pm

1 stop10h 55m

San Diego

Sun 11/16

7:05 pm-8:46 am

1 stop13h 41m

$202

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 10/24

12:54 pm-6:42 pm

1 stop5h 48m

San Diego

Mon 10/27

3:23 pm-11:18 pm

1 stop7h 55m

$211

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 9/8

12:49 pm-10:26 pm

1 stop9h 37m

San Diego

Fri 9/12

6:25 am-11:13 pm

1 stop16h 48m

$228

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 8/29

12:00 pm-11:37 pm

1 stop11h 37m

San Diego

Tue 9/2

7:01 pm-3:11 pm

1 stop20h 10m

$233

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 11/10

12:53 pm-10:55 pm

1 stop10h 02m

San Diego

Thu 11/13

7:36 am-5:09 pm

1 stop9h 33m

$245

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 9/13

3:47 pm-8:38 pm

1 stop4h 51m

San Diego

Sat 9/20

5:30 pm-12:11 am

1 stop6h 41m

$285

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 9/3

1:08 pm-9:57 pm

1 stop8h 49m

San Diego

Mon 9/22

5:30 pm-12:11 am

1 stop6h 41m

$298

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sun 8/24

6:00 am-11:37 pm

1 stop17h 37m

San Diego

Sat 10/4

6:25 pm-12:06 am

1 stop5h 41m

$314

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 9/10

9:00 am-11:34 pm

1 stop14h 34m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 13 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

How far ahead should I book a flight from Bellingham to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Bellingham to San Diego. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Bellingham to San Diego, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Bellingham to San Diego (average of $286). Flying from Bellingham to San Diego in March is currently the most expensive (average of $366). 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.

What is the cheapest time of day to fly from BLI to SAN?

Find hourly flight availability from Bellingham to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Bellingham to San Diego in the morning. Doing so could potentially save you 62% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Bellingham to San Diego?

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 August 14, 2025.
Read through reviews of airlines operating flights from Bellingham to San Diego, such as Alaska Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Allegiant Air
7.2
Good
701 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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.

  • What are the cheapest airlines flying from Bellingham to San Diego round-trip?

    Allegiant Air, at $100, was found to be the cheapest airline from Bellingham to San Diego. An alternate airline flying to your destination would be Alaska Airlines. Allegiant Air is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, August is the cheapest month in which you can book a flight from Bellingham to San Diego (average of $286). Flying from Bellingham to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
National City
Lemon Grove
Imperial Beach
Alpine

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Top 2 airlines flying from Bellingham to San Diego

Discover the top 2 airlines 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$180FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$265Average$397FlexibilityNo cancel feeOn-time75%

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