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Bellingham

$162+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BLI
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/176:25 amSAN - BLI
2 stops31h 17mMultiple Airlines
Sat 12/203:32 pmBLI - SAN
1 stop20h 39mMultiple Airlines
Deal found 12/2$222
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/176:25 amSAN - BLI
2 stops31h 17mMultiple Airlines
Sun 12/214:15 pmBLI - SAN
1 stop20h 23mMultiple Airlines
Deal found 12/2$257
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/181:06 pmSAN - BLI
1 stop9h 21mMultiple Airlines
Mon 12/226:00 amBLI - SAN
1 stop6h 38mMultiple Airlines
Deal found 12/3$267
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/251:06 pmSAN - BLI
1 stop23h 06mMultiple Airlines
Fri 1/26:00 amBLI - SAN
2 stops26h 47mMultiple Airlines
Deal found 12/3$320
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/267:21 pmSAN - BLI
1 stop26h 36mMultiple Airlines
Wed 12/318:00 amBLI - SAN
1 stop28h 11mMultiple Airlines
Deal found 12/3$366
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/241:06 pmSAN - BLI
1 stop29h 06mMultiple Airlines
Sun 12/287:54 pmBLI - SAN
2 stops17h 21mMultiple Airlines
Deal found 12/2$403
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/73:18 pmSAN - BLI
1 stop6h 39mMultiple Airlines
Mon 12/84:02 pmBLI - SAN
2 stops30h 44mMultiple Airlines
Deal found 12/2$443

Find 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 December 4, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$218
(Kiwi.com)

One-way from

$162
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$514

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. 12% potential increase in price ($50 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 December 2025
Search Deals
Price to beat on a one-way flight from San Diego to Bellingham.
Search Deals

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 December 4, 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

Mon 3/2

2:50 pm-9:14 pm

1 stop6h 24m

Bellingham

Mon 3/16

1:04 pm-12:38 pm

1 stop23h 34m

$218

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 12/17

6:25 am-1:42 pm

2 stops31h 17m

Bellingham

Sat 12/20

3:32 pm-12:11 pm

1 stop20h 39m

$222

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Thu 1/22

4:01 pm-12:23 pm

1 stop20h 22m

Bellingham

Mon 1/26

1:03 pm-10:07 am

1 stop21h 04m

$226

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Mon 3/2

8:26 pm-11:13 am

1 stop14h 47m

Bellingham

Fri 3/13

4:19 pm-11:03 pm

1 stop6h 44m

$255

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 12/17

6:25 am-1:42 pm

2 stops31h 17m

Bellingham

Sun 12/21

4:15 pm-12:38 pm

1 stop20h 23m

$257

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Mon 3/2

9:00 pm-11:13 am

2 stops14h 13m

Bellingham

Mon 3/16

4:19 pm-10:04 am

1 stop17h 45m

$259

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Thu 12/18

1:06 pm-10:27 pm

1 stop9h 21m

Bellingham

Mon 12/22

6:00 am-12:38 pm

1 stop6h 38m

$267

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 12/23

1:06 pm-9:57 pm

1 stop8h 51m

$162

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Sat 1/3

7:21 pm-1:42 pm

1 stop18h 21m

$222

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Tue 12/23

8:14 pm-12:16 pm

2 stops16h 02m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Diego-Bellingham flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 March is currently the most expensive (average of $154). 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 December 4, 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 December 4, 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
11,402 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,402 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Allegiant Air
7.2
Good
698 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 $226, Alaska Airlines can have you in Bellingham from San Diego in 20h 22m. 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 $98. Another option worth looking into is Alaska Airlines, starting at $262 round trip. Users have found that Allegiant Air is 71% 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 $182 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 March is currently the most expensive (average of $154). 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
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Ferndale
Blaine

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$148FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$262Average$418FlexibilityNo cancel feeOn-time75%

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