HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bellingham

$81+ Cheap flights from San Diego to Bellingham (SAN - BLI)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BLI
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Bellingham 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.

Cheap flight deals from San Diego to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Bellingham (BLI). 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 July 11, 2025.

Round-trip from

$133
(Mytrip)

One-way from

$81
(Cheapflightsfares)

Popular in

December

Cheapest in

June

Average price

$179

Good round-trip deal

$145 or less

Good one-way deal

$55 or less
From San Diego to Bellingham
Search Deals
One-way flight from San Diego to Bellingham
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from San Diego to Bellingham.
Search Deals
Price to beat on a one-way flight from San Diego to Bellingham.
Search Deals

Find flight deals from San Diego to Bellingham

Cheapest flights from San Diego to Bellingham
Explore the most affordable flight options available from San Diego to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

This Mytrip deal was found by Cheapflights users on 7/8. 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 8/811:13 amSAN - BLI
Nonstop2h 55mMultiple Airlines
Mon 8/119:00 pmBLI - SAN
1 stop12h 55mMultiple Airlines
Deal found 7/8$133
This Mytrip deal was found by Cheapflights users on 7/8. 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 8/811:13 amSAN - BLI
Nonstop2h 55mAllegiant Air
Mon 8/117:30 amBLI - SAN
Nonstop2h 53mAllegiant Air
Deal found 7/8$139
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 9/54:06 pmSAN - BLI
2 stops8h 05mAlaska Airlines
Sat 9/131:08 pmBLI - SAN
1 stop5h 55mAlaska Airlines
Deal found 7/9$311
This Hawaiian Airlines deal was found by Cheapflights users on 7/8. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:30 pmSAN - BLI
1 stop6h 41mHawaiian Airlines
Tue 8/263:47 pmBLI - SAN
1 stop7h 06mHawaiian Airlines
Deal found 7/8$320

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Bellingham 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 July 11, 2025.
Use the filters below to find and compare flights from San Diego to Bellingham that are best for you.

Fly from

San Diego

Fly to

Bellingham

Route

Depart

Return

Price

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 8/8

11:13 am-2:08 pm

Nonstop2h 55m

Bellingham

Mon 8/11

9:00 pm-9:55 am

1 stop12h 55m

$133

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 8/8

11:13 am-2:08 pm

Nonstop2h 55m

Bellingham

Mon 8/11

7:30 am-10:23 am

Nonstop2h 53m

$139

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 9/5

4:06 pm-12:11 am

2 stops8h 05m

Bellingham

Sat 9/13

1:08 pm-7:03 pm

1 stop5h 55m

$311

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 8/23

5:30 pm-12:11 am

1 stop6h 41m

Bellingham

Tue 8/26

3:47 pm-10:53 pm

1 stop7h 06m

$320

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Mon 8/4

11:13 am-2:08 pm

Nonstop2h 55m

$81

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 9/19

1:32 pm-11:13 pm

1 stop9h 41m

$91

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 9/27

8:15 am-3:07 pm

1 stop6h 52m

$149

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 11/8

10:25 am-9:20 pm

2 stops10h 55m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Best time to book a flight from San Diego to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from San Diego 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 San Diego to Bellingham

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

Currently, February is the cheapest month in which you can book a flight from San Diego to Bellingham (average of $317). Flying from San Diego to Bellingham in November is currently the most expensive (average of $463). 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 SAN to BLI?

Find hourly flight availability from San Diego to Bellingham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 11, 2025.

One of the essential ways to save on airfare from San Diego to Bellingham is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 69% on airfare.

Reviews of airlines servicing Bellingham

Get insights into the airlines that provide service to Bellingham. 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 Bellingham. Reviews last updated July 11, 2025.
Read reviews from past customers who have flown Alaska Airlines, Hawaiian Airlines, and Allegiant Air from San Diego to Bellingham. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,561 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.2
Good
704 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Diego to Bellingham. 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 San Diego to Bellingham round-trip?

    Flying on Allegiant Air is currently your cheapest option to Bellingham, with prices starting at $139. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Hawaiian Airlines, with the lowest prices starting at $311 and $320, respectively. Users have found that Allegiant Air is 61% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to Bellingham one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from San Diego to Bellingham for a low price.

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

    Looking at all options, your cheapest flight can be booked for $48. While the most popular route (San Diego - Bellingham) can be booked for $133 on average our data indicates $106 when flying from San Diego to Bellingham.

  • Can I find deals for flights from San Diego to Bellingham that include hotel bookings?

    Yes. In addition to deals on San Diego to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Bellingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Bellingham.

  • Can I find deals for business class flights from San Diego to Bellingham?

    Yes. Cheapflights offers flight deals from San Diego to Bellingham 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 San Diego to Bellingham?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Bellingham (average of $317). Flying from San Diego to Bellingham in November is currently the most expensive (average of $463). 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
Mount Vernon
Burlington
Ferndale
Blaine

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 San Diego to Bellingham

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

Top 2 airlines flying from San Diego to Bellingham

Discover the top 2 airlines that operate flights from San Diego to Bellingham. 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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$146FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$260Average$454FlexibilityNo 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.