HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$189+ Cheap flights from Bellingham to San Diego (BLI - SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bellingham to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Bellingham to San Diego are usually found in June or July, booked 29 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 September 15, 2025.

Round-trip from

$189
(Kiwi.com)

Popular in

December

Cheapest in

June
From Bellingham to San Diego
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($28 potential savings vs. average RT price).
Search Deals

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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 12/43:45 pmBLI - SAN
1 stop19h 58mMultiple Airlines
Thu 12/114:52 pmSAN - BLI
1 stop22h 20mMultiple Airlines
Deal found 9/14$189
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 9/2912:49 pmBLI - SAN
1 stop23h 42mMultiple Airlines
Fri 10/31:35 pmSAN - BLI
1 stop9h 36mMultiple Airlines
Deal found 9/14$193
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 9/258:30 amBLI - SAN
1 stop14h 47mMultiple Airlines
Sun 9/286:15 amSAN - BLI
1 stop28h 02mMultiple Airlines
Deal found 9/14$202
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 9/258:30 amBLI - SAN
1 stop14h 47mMultiple Airlines
Tue 9/301:35 pmSAN - BLI
2 stops23h 29mMultiple Airlines
Deal found 9/14$219
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 12/54:02 pmBLI - SAN
2 stops17h 55mMultiple Airlines
Thu 12/114:52 pmSAN - BLI
1 stop22h 20mMultiple Airlines
Deal found 9/14$228
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/233:32 pmBLI - SAN
1 stop7h 32mMultiple Airlines
Sun 10/264:06 pmSAN - BLI
1 stop18h 11mMultiple Airlines
Deal found 9/13$230
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/247:00 amBLI - SAN
1 stop9h 32mMultiple Airlines
Sun 10/266:25 amSAN - BLI
1 stop27h 52mMultiple Airlines
Deal found 9/13$234
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/23:32 pmBLI - SAN
1 stop8h 02mMultiple Airlines
Sun 10/512:33 pmSAN - BLI
1 stop21h 44mMultiple Airlines
Deal found 9/13$235
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/3112:54 pmBLI - SAN
2 stops29h 39mMultiple Airlines
Thu 11/133:59 pmSAN - BLI
1 stop26h 14mMultiple Airlines
Deal found 9/14$236
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 12/43:45 pmBLI - SAN
1 stop19h 58mMultiple Airlines
Sun 12/74:52 pmSAN - BLI
1 stop22h 20mMultiple Airlines
Deal found 9/14$238
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 11/38:00 amBLI - SAN
2 stops36h 24mMultiple Airlines
Thu 11/133:59 pmSAN - BLI
1 stop26h 14mMultiple Airlines
Deal found 9/14$245

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 September 15, 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

Thu 10/23

3:32 pm-11:04 pm

1 stop7h 32m

San Diego

Sun 10/26

4:06 pm-10:17 am

1 stop18h 11m

$230

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 12/4

3:45 pm-11:43 am

1 stop19h 58m

San Diego

Sun 12/7

4:52 pm-3:12 pm

1 stop22h 20m

$238

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 10/11

4:14 pm-11:05 pm

1 stop6h 51m

San Diego

Tue 10/14

6:25 pm-12:06 am

1 stop5h 41m

$269

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 10/24

12:54 pm-11:04 pm

1 stop10h 10m

San Diego

Mon 10/27

3:23 pm-11:18 pm

1 stop7h 55m

$279

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 12/1

9:00 am-3:27 pm

1 stop6h 27m

San Diego

Thu 12/11

4:52 pm-3:12 pm

1 stop22h 20m

$281

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Thu 10/9

3:32 pm-11:04 pm

1 stop7h 32m

San Diego

Sun 10/12

6:25 am-9:44 pm

1 stop15h 19m

$297

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 10/25

4:14 pm-11:05 pm

1 stop6h 51m

San Diego

Tue 10/28

9:28 am-3:24 pm

1 stop5h 56m

$310

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 10/24

4:14 pm-11:05 pm

1 stop6h 51m

San Diego

Tue 10/28

9:28 am-3:24 pm

1 stop5h 56m

$317

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 11/1

4:04 pm-10:59 pm

1 stop6h 55m

San Diego

Fri 11/7

5:25 pm-12:11 pm

1 stop18h 46m

$323

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 10/25

4:14 pm-11:05 pm

1 stop6h 51m

San Diego

Mon 10/27

6:38 pm-12:06 am

1 stop5h 28m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Bellingham to San Diego, you should look to book at least 29 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.

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 September 15, 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

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Allegiant Air
7.2
Good
699 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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 long is the flight from Bellingham to San Diego?

    Hawaiian Airlines can get you from Bellingham to San Diego in just under 6h 51m. Your travel time can differ by up to . The distance from Bellingham to San Diego is about 1143 mi.

  • 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 72% 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
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bellingham to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Las Vegas flights
Seattle to Los Angeles flights
Seattle to Ontario flights
Seattle to San Diego flights
Seattle to Santa Ana flights
Portland to Las Vegas flights
Portland to Los Angeles flights
Everett to Las Vegas flights
Seattle to San Francisco flights
Seattle to Burbank flights
Seattle to Palm Springs flights
Portland to Ontario flights
Portland to San Diego flights
Seattle to San Jose flights
Everett to San Diego flights
Everett to Los Angeles flights
Portland to Santa Ana flights
Seattle to Reno flights
Portland to San Francisco flights
Portland to Palm Springs flights
Seattle to Oakland flights
Everett to Santa Ana flights
Seattle to Santa Barbara flights
Seattle to Sacramento flights
Portland to Oakland flights
Everett to San Francisco flights
Portland to Sacramento flights
Portland to Burbank flights
Portland to San Jose flights
Seattle to Long Beach flights
Spokane to Los Angeles flights
Portland to Reno flights
Spokane to Las Vegas flights
Seattle to Fresno flights
Spokane to San Diego flights
Seattle to Santa Rosa flights
Portland to Santa Barbara flights
Spokane to San Francisco flights
Portland to San Luis Obispo flights
Seattle to San Luis Obispo flights
Portland to Long Beach flights
Seattle to Monterey flights
Pasco to Los Angeles flights
Pasco to Las Vegas flights
Portland to Fresno flights
Pasco to San Francisco flights
Spokane to Palm Springs flights
Spokane to Ontario flights
Spokane to San Jose flights
Seattle to Medford flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$180FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$265Average$388FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.