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$369+ Cheap flights from Bellingham (BLI) to Costa Rica

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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SJO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Bellingham to Costa Rica

Keep the following information in mind while searching for Bellingham to Costa Rica flight deals. Data was last updated September 16, 2025.

Round-trip from

$540
(Alaska Airlines)

One-way from

$369
(Kiwi.com)
From Bellingham to Costa Rica
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One-way flight from Bellingham to Costa Rica
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Find flight deals from Bellingham to Costa Rica

Best flights from Bellingham to Costa Rica
Discover carefully curated flight deals from Bellingham to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:20 amBLI - SJO
2 stops15h 40mAlaska Airlines
Tue 3/101:26 amSJO - BLI
2 stops21h 39mAlaska Airlines
Deal found 9/13$540

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham to Costa Rica 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 Bellingham to Costa Rica that are best for you.

Fly from

Bellingham

Fly to

Costa Rica

Route

Depart

Return

Price

BellinghamSan José

BLI - SJO

BLISJO

Bellingham

Tue 3/10

5:20 am-10:00 pm

2 stops15h 40m

San José Juan Santamaria Intl

Tue 3/10

1:26 am-10:05 pm

2 stops21h 39m

$540

BellinghamSan José

BLI - SJO

BLISJO

Bellingham

Sun 12/21

4:15 pm-1:20 am

2 stops31h 05m

$406

BellinghamSan José

BLI - SJO

BLISJO

Bellingham

Sat 12/20

11:38 am-11:25 am

3 stops45h 47m

$643

BellinghamSan José

BLI - SJO

BLISJO

Bellingham

Mon 12/22

1:02 pm-11:27 am

3 stops44h 25m

$713

BellinghamSan José

BLI - SJO

BLISJO

Bellingham

Sun 12/21

12:56 pm-11:59 pm

2 stops33h 03m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Bellingham to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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 Costa Rica
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bellingham to Costa Rica?

    Bellingham (BLI) is the airport you will fly out of if you book a flight from Bellingham to Costa Rica. It is only a 3.2 mi journey to Bellingham (BLI) from Bellingham’s city center.

  • How long is the flight from Bellingham to Costa Rica?

    A quick flight from Bellingham to Costa Rica can take about 15h 40m. Alaska Airlines provides one of the quickest options available for as low as $540. Bellingham and Costa Rica are separated by a distance of 3469 mi.

  • Can I find deals for flights from Bellingham to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Bellingham to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bellingham to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bellingham to Costa Rica.

  • Can I find deals for business class flights from Bellingham to Costa Rica?

    Yes. Cheapflights offers flight deals from Bellingham to Costa Rica 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 Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Bellingham to Costa Rica (average of $398). Flying from Bellingham to Costa Rica in March is currently the most expensive (average of $554). 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

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