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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BLI
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Kiwi.com)

One-way from

$81
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$289

Good one-way deal

$117 or less
Provider with most accurate pricing for San Diego-Bellingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Bellingham flights.
Search Deals
From San Diego to Bellingham
Search Deals
One-way flight from San Diego to Bellingham
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Thu 11/63:59 pmSAN - BLI
1 stop18h 02mMultiple Airlines
Mon 11/1012:53 pmBLI - SAN
2 stops31h 31mMultiple Airlines
Deal found 10/15$194
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Fri 11/78:30 amSAN - BLI
1 stop14h 36mMultiple Airlines
Mon 11/108:00 amBLI - SAN
2 stops36h 24mMultiple Airlines
Deal found 10/15$231
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:30 pmSAN - BLI
1 stop5h 36mAlaska Airlines
Sun 12/144:21 pmBLI - SAN
1 stop4h 36mAlaska Airlines
Deal found 10/15$234
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sat 12/66:25 amSAN - BLI
2 stops32h 30mMultiple Airlines
Sun 12/143:45 pmBLI - SAN
1 stop20h 53mMultiple Airlines
Deal found 10/15$253
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Wed 11/191:37 pmSAN - BLI
2 stops24h 01mMultiple Airlines
Mon 12/17:30 amBLI - SAN
1 stop12h 02mMultiple Airlines
Deal found 10/16$257
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:15 amSAN - BLI
1 stop5h 56mAlaska Airlines
Mon 11/1012:51 pmBLI - SAN
1 stop10h 08mAlaska Airlines
Deal found 10/15$274
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 10/299:00 amSAN - BLI
2 stops28h 51mMultiple Airlines
Sun 11/23:32 pmBLI - SAN
1 stop21h 03mMultiple Airlines
Deal found 10/14$290

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 October 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

Fri 11/7

8:30 am-11:06 pm

1 stop14h 36m

Bellingham

Mon 11/10

8:00 am-8:24 pm

2 stops36h 24m

$231

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 12/6

6:30 pm-12:06 am

1 stop5h 36m

Bellingham

Sun 12/14

4:21 pm-8:57 pm

1 stop4h 36m

$234

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 12/6

6:25 am-2:55 pm

2 stops32h 30m

Bellingham

Sun 12/14

3:45 pm-12:38 pm

1 stop20h 53m

$253

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 11/19

1:37 pm-1:38 pm

2 stops24h 01m

Bellingham

Mon 12/1

7:30 am-7:32 pm

1 stop12h 02m

$257

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 11/19

6:15 am-12:06 am

1 stop17h 51m

Bellingham

Mon 12/1

1:16 pm-12:10 am

1 stop10h 54m

$274

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Thu 11/6

6:15 am-12:11 pm

1 stop5h 56m

Bellingham

Mon 11/10

12:51 pm-10:59 pm

1 stop10h 08m

$274

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 10/29

9:00 am-1:51 pm

2 stops28h 51m

Bellingham

Sun 11/2

3:32 pm-12:35 pm

1 stop21h 03m

$290

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Thu 11/6

3:59 pm-10:01 am

1 stop18h 02m

$81

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 11/1

9:00 am-2:51 pm

2 stops29h 51m

$116

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Fri 11/7

8:30 am-11:06 pm

1 stop14h 36m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 13 results
1
2

Compare providers for flights from San Diego to Bellingham

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Bellingham in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Bellingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Bellingham flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Bellingham flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, April is the cheapest month in which you can book a flight from San Diego to Bellingham (average of $48). Flying from San Diego to Bellingham in December is currently the most expensive (average of $169). 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 October 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 67% 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 October 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
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

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
11,103 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

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
694 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

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.

  • How long is the flight from San Diego to Bellingham?

    For as low as $234, Alaska Airlines can have you in Bellingham from San Diego in 5h 36m. San Diego and Bellingham are separated by a distance of 1143 mi.

  • 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 $265 round trip. Users have found that Allegiant Air is 69% 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 $190 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, April is the cheapest month in which you can book a flight from San Diego to Bellingham (average of $48). Flying from San Diego to Bellingham in December is currently the most expensive (average of $169). 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
San Francisco to Portland flights
Ontario to Portland flights
Oakland to Seattle flights
Las Vegas to Seattle flights
Los Angeles to Everett flights
Sacramento to Seattle flights
Santa Ana to Portland flights
San Francisco to Everett flights
Burbank to Portland flights
San Diego to Portland flights
San Diego to Everett flights
Burbank to Seattle flights
Santa Ana to Everett flights
San Luis Obispo to Seattle flights
Long Beach to Seattle flights
Oakland to Portland flights
San Jose to Portland flights
Sacramento to Portland flights
Las Vegas to Portland flights
Monterey to Seattle flights
Los Angeles to Spokane flights
Fresno to Portland flights
Santa Barbara to Seattle flights
Las Vegas to Everett flights
Fresno to Seattle flights
San Francisco to Spokane flights
Palm Springs to Seattle flights
Medford to Seattle flights
San Jose to Everett flights
Santa Rosa to Seattle flights
Palm Springs to Portland flights
Reno to Portland flights
San Luis Obispo to Portland flights
Reno to Seattle flights
Long Beach to Portland flights
Santa Ana to Spokane flights
Santa Rosa to Portland flights
Santa Barbara to Portland flights
San Diego to Spokane flights
Ontario to Spokane flights
Medford to Portland flights
Oakland to Spokane flights
Redding to Seattle 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$150FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$265Average$455FlexibilityNo 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.