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$275+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$536
(SmartFares)

One-way from

$275
(Delta)

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. 9% potential increase in price ($81 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 15, 2025.

This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:30 amANC - SJO
2 stops18h 50mDelta
Thu 12/112:31 pmSJO - ANC
2 stops24h 36mDelta
Deal found 11/12$569
This United Airlines deal was found by Cheapflights users on 11/14. 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 11/14$707
This United Airlines deal was found by Cheapflights users on 11/13. 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 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
Thu 12/118:45 amSJO - ANC
2 stops41h 11mUnited Airlines
Deal found 11/13$728
This American Airlines deal was found by Cheapflights users on 11/14. 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 12/18:21 pmANC - SJO
1 stop14h 49mMultiple Airlines
Wed 12/102:56 pmSJO - ANC
2 stops25h 34mMultiple Airlines
Deal found 11/14$752
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:30 amANC - SJO
2 stops18h 37mDelta
Thu 12/117:00 amSJO - ANC
2 stops21h 53mDelta
Deal found 11/13$791
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 12/12:24 pmANC - SJO
2 stops30h 24mAlaska Airlines
Tue 12/91:30 amSJO - ANC
2 stops18h 56mAlaska Airlines
Deal found 11/12$837
This Alaska Airlines deal was found by Cheapflights users on 11/14. 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.
Mon 12/11:20 amANC - SJO
2 stops19h 28mAlaska Airlines
Wed 12/101:30 amSJO - ANC
2 stops22h 17mAlaska Airlines
Deal found 11/14$842
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Fri 12/1212:38 amANC - LIR
2 stops26h 42mAlaska Airlines
Wed 12/247:40 amLIR - ANC
1 stop19h 57mAlaska Airlines
Deal found 11/13$1,518
This United Airlines deal was found by Cheapflights users on 11/14. 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 12/1311:59 pmANC - LIR
1 stop13h 09mUnited Airlines
Wed 12/2412:30 pmLIR - ANC
1 stop34h 15mUnited Airlines
Deal found 11/14$2,561
This business-class.com deal was found by Cheapflights users on 11/15. 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 11/15$2,638
This Alaska Airlines deal was found by Cheapflights users on 11/15. 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 11/15$2,755

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 15, 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

Mon 1/19

9:15 pm-1:24 pm

1 stop13h 09m

Liberia

Sun 1/25

3:05 pm-12:09 am

2 stops36h 04m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 1/17

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Tue 1/27

11:20 am-1:04 pm

2 stops28h 44m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Mon 1/19

9:15 pm-1:24 pm

1 stop13h 09m

Liberia

Thu 1/22

3:05 pm-2:05 pm

2 stops26h 00m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 1/18

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Tue 1/27

11:20 am-1:04 pm

2 stops28h 44m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Fri 1/16

6:10 am-11:20 am

2 stops26h 10m

Liberia

Sun 1/25

3:05 pm-2:05 pm

2 stops26h 00m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Tue 4/21

3:50 pm-12:00 pm

2 stops18h 10m

Liberia

Thu 4/23

1:25 pm-12:13 pm

2 stops24h 48m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 1/17

3:00 pm-1:50 pm

2 stops19h 50m

Liberia

Thu 1/22

3:05 pm-6:58 pm

2 stops30h 53m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Fri 1/16

6:10 am-11:15 am

2 stops26h 05m

Liberia

Thu 1/22

3:05 pm-2:05 pm

2 stops26h 00m

$558

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 1/17

8:22 pm-1:50 pm

1 stop14h 28m

Liberia

Fri 1/23

3:05 pm-6:58 pm

2 stops30h 53m

$558

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Wed 2/4

11:45 pm-6:16 pm

2 stops15h 31m

San José Juan Santamaria Intl

Wed 2/11

6:30 am-7:57 pm

2 stops16h 27m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 21 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 15, 2025.

It’s optimal to fly from Alaska to Costa Rica at noon. By choosing this option you can save up to 28% 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 13h 09m. Alaska Airlines provides one of the quickest options available for as low as $558. 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.

  • 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$715FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$523Average$750FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$544Average$789FlexibilityNo cancel feeOn-time71%

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