HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bellingham

$122+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BLI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$213
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$476

Good one-way deal

$117 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. 25% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 9/231:35 pmSAN - BLI
2 stops23h 24mMultiple Airlines
Sun 9/288:00 amBLI - SAN
1 stop23h 29mMultiple Airlines
Deal found 9/15$210
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.
Tue 9/231:35 pmSAN - BLI
2 stops23h 24mMultiple Airlines
Wed 10/19:00 amBLI - SAN
1 stop14h 34mMultiple Airlines
Deal found 9/13$211
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.
Sun 9/286:15 amSAN - BLI
1 stop28h 02mMultiple Airlines
Thu 10/23:32 pmBLI - SAN
1 stop8h 02mMultiple Airlines
Deal found 9/13$213
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 9/231:35 pmSAN - BLI
2 stops23h 24mMultiple Airlines
Mon 9/2912:49 pmBLI - SAN
1 stop10h 28mMultiple Airlines
Deal found 9/15$216
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 9/231:35 pmSAN - BLI
2 stops23h 24mMultiple Airlines
Thu 10/28:30 amBLI - SAN
1 stop15h 04mMultiple Airlines
Deal found 9/15$229
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 9/231:35 pmSAN - BLI
2 stops23h 24mMultiple Airlines
Fri 10/37:00 amBLI - SAN
1 stop5h 40mMultiple Airlines
Deal found 9/15$235
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/2212:33 pmSAN - BLI
1 stop10h 40mMultiple Airlines
Sun 9/288:00 amBLI - SAN
1 stop23h 29mMultiple Airlines
Deal found 9/15$241

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 September 16, 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

Thu 10/9

6:25 am-8:57 am

1 stop26h 32m

Bellingham

Sun 10/12

3:32 pm-12:17 pm

1 stop20h 45m

$236

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 2/27

2:50 pm-9:14 pm

1 stop6h 24m

Bellingham

Sun 3/1

6:00 am-12:38 pm

1 stop6h 38m

$296

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 10/7

2:11 pm-1:51 pm

2 stops47h 40m

Bellingham

Fri 10/17

12:54 pm-11:04 pm

1 stop10h 10m

$312

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 3/3

12:30 pm-12:01 am

2 stops11h 31m

Bellingham

Wed 3/4

12:58 pm-8:50 pm

2 stops7h 52m

$333

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 10/21

11:43 am-12:06 am

2 stops12h 23m

Bellingham

Wed 10/22

1:02 pm-5:56 pm

1 stop4h 54m

$339

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sun 10/26

4:06 pm-10:17 am

1 stop18h 11m

$122

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Mon 9/22

12:33 pm-12:59 pm

2 stops48h 26m

$143

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 10/21

2:11 pm-1:51 pm

2 stops47h 40m

$153

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Mon 10/27

6:25 am-11:18 pm

1 stop16h 53m

$163

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 10/11

2:11 pm-6:12 pm

1 stop28h 01m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
1
2

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 $470). 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 September 16, 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 68% 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 September 16, 2025.
Read reviews from past customers who have flown Alaska 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

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Allegiant Air
7.2
Good
699 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 $107. Another option worth looking into is Alaska Airlines, starting at $274 round trip. Users have found that Allegiant Air is 72% cheaper than the other options available to this destination.

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

    Looking at all options, your cheapest flight can be booked for $115. While the most popular route (San Diego - Bellingham) can be booked for $236 on average, our data indicates $117 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 $470). 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 Bellingham?

Book flights to Bellingham 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
Ontario to Seattle flights
San Francisco to Seattle flights
Santa Ana to Seattle flights
San Jose to Seattle flights
Los Angeles to Portland flights
San Diego to Seattle flights
Ontario to Portland flights
San Francisco to Portland flights
Burbank to Seattle flights
Oakland to Seattle flights
Los Angeles to Everett flights
Sacramento to Seattle flights
Santa Ana to Portland flights
Las Vegas to Seattle flights
San Diego to Portland flights
Oakland to Portland flights
Burbank to Portland flights
San Francisco to Everett flights
San Diego to Everett flights
Fresno to Seattle flights
Sacramento to Portland flights
San Jose to Portland flights
Santa Rosa to Seattle flights
Santa Barbara to Seattle flights
Long Beach to Seattle flights
San Luis Obispo to Seattle flights
Las Vegas to Everett flights
Los Angeles to Spokane flights
Santa Ana to Everett flights
Las Vegas to Portland flights
Palm Springs to Portland flights
Reno to Portland flights
Santa Rosa to Portland flights
Fresno to Portland flights
San Francisco to Spokane flights
Monterey to Seattle flights
Palm Springs to Seattle flights
Medford to Seattle flights
Santa Barbara to Portland flights
San Diego to Spokane flights
Reno to Seattle flights
San Jose to Everett flights
San Luis Obispo to Portland flights
Long Beach to Portland flights
Ontario to Spokane flights
Santa Ana to Spokane flights
Las Vegas to Spokane flights
Los Angeles to Pasco flights
Sacramento 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$148FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$274Average$505FlexibilityNo 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.