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$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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$551
(Kiwi.com)

One-way from

$260
(Alaska Airlines)

Popular in

April

Cheapest in

August

Average price

$776
Provider with most accurate pricing for Anchorage-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Anchorage-San José Juan Santamaria Intl flights.
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From Alaska to Costa Rica
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One-way flight from Alaska to Costa Rica
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Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 26, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/25. 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 12/72:22 amANC - SJO
2 stops18h 26mAlaska Airlines
Wed 12/101:30 amSJO - ANC
2 stops22h 17mAlaska Airlines
Deal found 11/25$657
This United Airlines deal was found by Cheapflights users on 11/23. 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.
Mon 12/811:59 pmANC - SJO
2 stops17h 40mUnited Airlines
Thu 12/118:45 amSJO - ANC
2 stops17h 11mUnited Airlines
Deal found 11/23$787
This United Airlines deal was found by Cheapflights users on 11/23. 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.
Mon 12/111:59 pmANC - SJO
2 stops34h 16mUnited Airlines
Wed 12/108:45 amSJO - ANC
2 stops17h 11mUnited Airlines
Deal found 11/23$820
This Alaska Airlines deal was found by Cheapflights users on 11/23. 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 12/25:24 pmANC - SJO
2 stops27h 24mAlaska Airlines
Wed 12/101:30 amSJO - ANC
2 stops18h 56mAlaska Airlines
Deal found 11/23$842
This United Airlines deal was found by Cheapflights users on 11/25. 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 - SJO
2 stops41h 40mUnited Airlines
Thu 1/82:05 pmSJO - ANC
2 stops36h 10mUnited Airlines
Deal found 11/25$845
This Aeromexico deal was found by Cheapflights users on 11/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:30 amANC - SJO
2 stops19h 56mAeromexico
Thu 12/116:15 amSJO - ANC
2 stops22h 38mAeromexico
Deal found 11/25$850
This American Airlines deal was found by Cheapflights users on 11/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:05 amANC - SJO
2 stops37h 23mAmerican Airlines
Thu 12/116:20 amSJO - ANC
2 stops18h 24mAmerican Airlines
Deal found 11/25$856
This American Airlines deal was found by Cheapflights users on 11/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:22 amANC - SJO
2 stops17h 50mAmerican Airlines
Thu 12/116:20 amSJO - ANC
2 stops19h 24mAmerican Airlines
Deal found 11/25$884
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Sat 12/201:30 amANC - LIR
2 stops32h 40mUnited Airlines
Thu 1/13:50 pmLIR - ANC
2 stops35h 35mUnited Airlines
Deal found 11/24$1,971
This United Airlines deal was found by Cheapflights users on 11/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:30 amANC - LIR
2 stops30h 39mUnited Airlines
Tue 1/62:20 pmLIR - ANC
2 stops32h 37mUnited Airlines
Deal found 11/26$2,708
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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 12/289:22 amANC - LIR
1 stop17h 58mAlaska Airlines
Sun 1/118:30 amLIR - ANC
1 stop13h 41mAlaska Airlines
Deal found 11/24$2,847
This business-class.com deal was found by Cheapflights users on 11/24. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:22 amANC - LIR
1 stop17h 58mMultiple Airlines
Sun 1/117:50 amLIR - ANC
2 stops20h 03mMultiple Airlines
Deal found 11/24$3,009

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 November 26, 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 1/25

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Wed 2/4

11:20 am-12:54 am

1 stop16h 34m

$553

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 1/11

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Wed 1/21

11:20 am-12:54 am

1 stop16h 34m

$553

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 2/7

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Thu 2/12

8:05 am-12:55 am

1 stop19h 50m

$553

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 1/17

5:05 am-6:01 pm

2 stops33h 56m

Liberia

Wed 1/21

11:20 am-12:54 am

1 stop16h 34m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 1/24

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Fri 1/30

11:20 am-10:38 am

2 stops26h 18m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Tue 1/27

7:05 am-6:01 pm

2 stops31h 56m

Liberia

Wed 2/4

11:20 am-12:54 am

1 stop16h 34m

$558

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 1/19

11:45 pm-8:39 pm

2 stops17h 54m

San José Juan Santamaria Intl

Tue 1/27

6:30 am-11:15 pm

2 stops19h 45m

$569

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 1/18

2:10 am-12:22 pm

2 stops31h 12m

San José Juan Santamaria Intl

Tue 1/27

1:16 am-12:54 am

1 stop26h 38m

$576

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Thu 1/8

9:00 am-1:15 pm

2 stops25h 15m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-11:15 pm

2 stops19h 45m

$579

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 1/10

9:00 am-6:25 am

2 stops18h 25m

San José Juan Santamaria Intl

Sat 1/17

6:40 am-11:15 pm

2 stops19h 35m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 25 results
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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, October is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $469). 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.

What is the cheapest time of day to fly from AK to CR?

Find hourly flight availability from Alaska to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

It’s optimal to fly from Alaska to Costa Rica at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

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 Alaska Airlines, which is currently one of the cheapest options available, starting at $260. United Airlines flights start at $265 while deals on American Airlines start at $280 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, October is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $469). 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

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Alternative routes for Alaska to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$717FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$528Average$763FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$544Average$870FlexibilityNo cancel feeOn-time71%

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