HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$260+ Cheap flights from Alaska 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Alaska to Costa Rica 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 Alaska to Costa Rica

Cheapest flights from Alaska to Costa Rica
Explore the most affordable flight options available from Alaska to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:40 pmANC - LIR
2 stops18h 50mDelta
Sun 1/112:45 pmLIR - ANC
1 stop13h 03mDelta
Deal found 12/27$3,437
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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.
Sun 12/285:25 pmANC - LIR
2 stops21h 32mAlaska Airlines
Sun 1/117:11 pmLIR - ANC
2 stops28h 40mAlaska Airlines
Deal found 12/26$3,850
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:59 pmANC - LIR
2 stops15h 38mUnited Airlines
Sun 1/118:35 amLIR - ANC
2 stops17h 40mUnited Airlines
Deal found 12/28$5,158

Find flight deals from Alaska to Costa Rica

Keep the following information in mind while searching for Alaska to Costa Rica flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$553
(Alaska Airlines)

One-way from

$260
(Alaska Airlines)

Popular in

April

Cheapest in

August

Average price

$851
Provider with most accurate pricing for Anchorage-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Anchorage-San José Juan Santamaria Intl flights.
Search Deals
From Alaska to Costa Rica
Search Deals
One-way flight from Alaska to Costa Rica
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alaska 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 December 28, 2025.
Use the filters below to find and compare flights from Alaska to Costa Rica that are best for you.

Fly from

Alaska

Fly to

Costa Rica

Route

Depart

Return

Price

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 2/1

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Fri 2/6

11:20 am-12:54 am

1 stop16h 34m

$553

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 4/22

8:50 pm-1:04 pm

1 stop14h 14m

Liberia

Wed 4/29

1:55 pm-6:35 pm

1 stop30h 40m

$576

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 5/23

1:55 am-11:33 pm

2 stops19h 38m

San José Juan Santamaria Intl

Sun 6/7

12:53 am-10:20 am

2 stops35h 27m

$590

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 4/22

9:12 am-6:20 am

2 stops19h 08m

Liberia

Wed 4/29

11:20 am-11:08 am

2 stops25h 48m

$627

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 1/24

9:00 am-12:56 pm

2 stops24h 56m

San José Juan Santamaria Intl

Sat 1/31

6:40 am-11:15 pm

2 stops19h 35m

$634

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 1/24

12:15 pm-11:59 pm

2 stops56h 44m

San José Juan Santamaria Intl

Fri 1/30

1:16 am-9:51 pm

2 stops23h 35m

$703

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Tue 2/3

9:00 am-1:15 pm

2 stops25h 15m

San José Juan Santamaria Intl

Fri 2/6

8:45 am-7:57 pm

2 stops38h 12m

$709

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 2/2

9:00 am-1:15 pm

2 stops49h 15m

San José Juan Santamaria Intl

Fri 2/6

6:30 am-11:15 pm

2 stops19h 45m

$719

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 6/6

10:05 am-6:20 am

1 stop18h 15m

$260

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 6/6

11:15 pm-11:33 pm

1 stop22h 18m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 15 results
1
2

Best time to book a flight from Alaska to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Alaska 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 Alaska to Costa Rica

What is the cheapest month to book a flight from Alaska to Costa Rica?

Currently, August is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $285). Flying from Alaska to Costa Rica in June is currently the most expensive (average of $715). 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.

Related info for your journey

Find useful and relevant information for your journey from Alaska to Costa Rica. 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 Alaska to Costa Rica?

    A quick flight from Alaska to Costa Rica can take about 14h 02m. Alaska Airlines provides one of the quickest options available for as low as $553. Alaska and Costa Rica are separated by a distance of 4734 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Alaska to Costa Rica one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $177. United Airlines flights start at $212 while deals on Alaska Airlines start at $236 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $285). Flying from Alaska to Costa Rica in June is currently the most expensive (average of $715). 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

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 Alaska to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San José flights
John F Kennedy Intl to Panama City flights
Newark to San José flights
Los Angeles to San Salvador flights
Dulles Intl to San Salvador flights
Los Angeles to Guatemala City flights
John F Kennedy Intl to Guatemala City flights
Newark to Panama City flights
John F Kennedy Intl to San Salvador flights
Hobby to San Salvador flights
John F Kennedy Intl to Liberia flights
Miami to Panama City flights
Newark to Liberia flights
Dulles Intl to Panama City flights
O'Hare Intl to San José flights
Dulles Intl to San José flights
George Bush Intcntl to San Salvador flights
LaGuardia to San José flights
Los Angeles to San José flights
Dallas/Fort Worth to San José flights
Dallas/Fort Worth to San Salvador flights
Newark to Guatemala City flights
LaGuardia to Panama City flights
Atlanta to San José flights
Orlando to Panama City flights
Hobby to San José flights
San Francisco to San José flights
Boston to San José flights
Denver to San José flights
O'Hare Intl to Panama City flights
Miami to Managua flights
Reagan-National to San José flights
Baltimore to San José flights
Los Angeles to Liberia flights
Denver to Liberia flights
Dallas/Fort Worth to Guatemala City flights
Baltimore to San Salvador flights
Boston to Panama City flights
LaGuardia to San Salvador flights
Miami to San José flights
Reagan-National to San Salvador flights
George Bush Intcntl to San José flights
Los Angeles to Panama City flights
Atlanta to Panama City flights
Fort Lauderdale to Panama City flights
LaGuardia to Guatemala City flights
LaGuardia to Liberia flights
Seattle to San José flights
Dulles Intl to Guatemala City flights
San Francisco to Panama City flights

Top 3 airlines flying from Alaska to Costa Rica

Discover the top 3 airlines that operate flights from Alaska to Costa Rica. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$722FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$528Average$772FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$544Average$776FlexibilityNo cancel feeOn-time71%

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.