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$45+ Cheap flights from Bellingham to San Diego (BLI - SAN)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Bellingham to San Diego are usually found in June or July, booked 87 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 June 12, 2025.

Round-trip from

$97
(Booking.com)

One-way from

$45
(Booking.com)

Popular in

November

Cheapest in

June

Average price

$176
From Bellingham to San Diego
Search Deals
One-way flight from Bellingham to San Diego
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Highest demand for flights based on searches. 19% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/47:30 amBLI - SAN
Nonstop2h 53mAllegiant Air
Fri 7/1111:13 amSAN - BLI
Nonstop2h 55mAllegiant Air
Deal found 6/11$97
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Mon 7/79:00 pmBLI - SAN
1 stop21h 26mMultiple Airlines
Fri 7/1111:13 amSAN - BLI
Nonstop2h 55mMultiple Airlines
Deal found 6/12$130
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 9/233:47 pmBLI - SAN
1 stop4h 51mAlaska Airlines
Sat 9/273:45 pmSAN - BLI
1 stop6h 00mAlaska Airlines
Deal found 6/12$256
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/33:47 pmBLI - SAN
1 stop7h 06mHawaiian Airlines
Mon 9/228:15 amSAN - BLI
1 stop6h 52mHawaiian Airlines
Deal found 6/10$310

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 June 12, 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

Fri 7/4

7:30 am-10:23 am

Nonstop2h 53m

San Diego

Fri 7/11

11:13 am-2:08 pm

Nonstop2h 55m

$97

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 7/7

9:00 pm-6:26 pm

1 stop21h 26m

San Diego

Fri 7/11

11:13 am-2:08 pm

Nonstop2h 55m

$130

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Tue 9/23

3:47 pm-8:38 pm

1 stop4h 51m

San Diego

Sat 9/27

3:45 pm-9:45 pm

1 stop6h 00m

$256

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Wed 9/3

3:47 pm-10:53 pm

1 stop7h 06m

San Diego

Mon 9/22

8:15 am-3:07 pm

1 stop6h 52m

$310

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 6/30

7:30 am-10:21 am

Nonstop2h 51m

$45

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Mon 6/30

9:02 pm-6:26 pm

1 stop21h 24m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Bellingham to San Diego, you should look to book at least 86 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.

What is the cheapest time of day to fly from BLI to SAN?

Find hourly flight availability from Bellingham to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Bellingham to San Diego in the morning. Doing so could potentially save you 57% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Bellingham to San Diego round-trip?

    Allegiant Air, at $97, was found to be the cheapest airline from Bellingham to San Diego.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. Allegiant Air is 73% 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 Bellingham?

Book flights to Bellingham if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$182FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$271Average$414FlexibilityNo cancel feeOn-time75%

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