$238 Cheap Flights from Bellingham (BLI) to San José (SJO)

View $238 flight on Sun, Feb 8, 2026Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from Bellingham to San José (BLI-SJO)

Prices were available within the past 7 days and start at $238 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Nov 13 - Wed, Nov 19
BLI
Bellingham
SJO
San José
$422 Roundtrip, found 5 days ago
$422
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Nov 13 from Bellingham to San José, returning Wed, Nov 19, priced at $422 found 5 days ago
Alaska Airlines
Wed, Nov 12 - Wed, Nov 19
BLI
Bellingham
SJO
San José
$436 Roundtrip, found 5 days ago
$436
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from Bellingham to San José, returning Wed, Nov 19, priced at $436 found 5 days ago
Alaska Airlines
Wed, Jan 21 - Fri, Jan 30
BLI
Bellingham
SJO
San José
$462 Roundtrip, found 3 days ago
$462
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Bellingham to San José, returning Fri, Jan 30, priced at $462 found 3 days ago
Alaska Airlines
Wed, Jan 21 - Fri, Jan 30
BLI
Bellingham
SJO
San José
$468 Roundtrip, found 3 days ago
$468
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Bellingham to San José, returning Fri, Jan 30, priced at $468 found 3 days ago
Alaska Airlines
Wed, Jan 21 - Fri, Jan 30
BLI
Bellingham
SJO
San José
$468 Roundtrip, found 3 days ago
$468
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Bellingham to San José, returning Fri, Jan 30, priced at $468 found 3 days ago
Alaska Airlines
Wed, Jan 21 - Fri, Jan 30
BLI
Bellingham
SJO
San José
$473 Roundtrip, found 3 days ago
$473
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Bellingham to San José, returning Fri, Jan 30, priced at $473 found 3 days ago
Alaska Airlines
Wed, Jan 21 - Fri, Jan 30
BLI
Bellingham
SJO
San José
$482 Roundtrip, found 3 days ago
$482
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Bellingham to San José, returning Fri, Jan 30, priced at $482 found 3 days ago
Alaska Airlines
Mon, Feb 9 - Wed, Feb 18
BLI
Bellingham
SJO
San José
$502 Roundtrip, found 6 days ago
$502
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Feb 9 from Bellingham to San José, returning Wed, Feb 18, priced at $502 found 6 days ago
Alaska Airlines
Wed, Nov 19 - Sat, Nov 22
BLI
Bellingham
SJO
San José
$512 Roundtrip, found 1 day ago
$512
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Nov 19 from Bellingham to San José, returning Sat, Nov 22, priced at $512 found 1 day ago
American Airlines
Wed, Dec 31 - Thu, Mar 12
BLI
Bellingham
SJO
San José
$533 Roundtrip, found 3 days ago
$533
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 31 from Bellingham to San José, returning Thu, Mar 12, priced at $533 found 3 days ago

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO) cost?
Grab a cheap one-way flight from $238 or cheap return flight from $422 from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO)?
November is the least expensive month to fly from BLI to SJO. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO)?
To find the cheapest airline flying from BLI to SJO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO)?
There aren't any daily direct flights departing from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BLI to SJO?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO)?
To arrive at Juan Santamaria Intl. Airport (SJO) on schedule, opt for a flight that leaves from Bellingham Intl. Airport (BLI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO) last-minute?
Holding off until right before your break to book a flight from BLI to SJO generally means paying more. While you may come across some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a BLI to SJO flight and hotel package?
Compared with arranging hotels and flights separately, booking a BLI to SJO flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to Juan Santamaria Intl. Airport (SJO)?
In most instances, you can modify or cancel your BLI to SJO flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Bellingham Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$422
Distance
3471 mi

Book with confidence

Bellingham to San José Flights

The cheapest times to fly from Bellingham to San José

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bellingham to San José are during the month of November. You can find some of the cheapest flights from Bellingham to San José with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bellingham to San José

Sunday is one of the best days to book for cheap flights from Bellingham to San José: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bellingham to San José

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bellingham to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $238 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bellingham to San José flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bellingham to San José airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bellingham to San José Flights

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*Available to One Key members.