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$223+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(United Airlines)

One-way from

$223
(SmartFares)

Popular in

April

Cheapest in

August

Average price

$554
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. 11% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 10, 2025.

This United Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 10/249:04 pmANC - LIR
1 stop12h 49mUnited Airlines
Sat 11/111:50 amLIR - ANC
1 stop13h 06mUnited Airlines
Deal found 10/10$519
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 10/1612:34 amANC - LIR
2 stops14h 54mAlaska Airlines
Tue 10/2812:17 pmLIR - ANC
2 stops24h 53mAlaska Airlines
Deal found 10/7$558
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 10/179:04 pmANC - LIR
1 stop12h 49mUnited Airlines
Tue 10/2811:50 amLIR - ANC
1 stop13h 06mUnited Airlines
Deal found 10/9$663
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 stops22h 17mAlaska Airlines
Deal found 10/9$668
This Alaska Airlines deal was found by Cheapflights users on 10/10. 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.
Thu 10/2312:24 amANC - LIR
1 stop15h 04mAlaska Airlines
Sat 11/112:17 pmLIR - ANC
1 stop14h 13mAlaska Airlines
Deal found 10/10$689
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Tue 12/211:59 pmANC - SJO
2 stops34h 16mUnited Airlines
Thu 12/112:20 pmSJO - ANC
3 stops35h 36mUnited Airlines
Deal found 10/9$699
This American Airlines deal was found by Cheapflights users on 10/8. 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
2 stops14h 18mMultiple Airlines
Wed 12/102:56 pmSJO - ANC
2 stops23h 14mMultiple Airlines
Deal found 10/8$744
This United Airlines deal was found by Cheapflights users on 10/7. 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 stops17h 40mUnited Airlines
Wed 12/102:20 pmSJO - ANC
3 stops35h 36mUnited Airlines
Deal found 10/7$782
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 12/15:31 pmANC - SJO
2 stops27h 17mAlaska Airlines
Tue 12/91:30 amSJO - ANC
2 stops23h 14mAlaska Airlines
Deal found 10/8$788

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 October 10, 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

Fri 2/6

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Fri 2/13

7:45 pm-1:35 pm

2 stops20h 50m

$470

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Fri 10/24

9:04 pm-11:53 am

1 stop12h 49m

Liberia

Sat 11/1

11:50 am-10:56 pm

1 stop13h 06m

$519

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 2/7

11:45 pm-4:08 pm

1 stop13h 23m

Liberia

Fri 2/13

12:50 pm-10:59 pm

1 stop13h 09m

$519

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Mon 1/26

9:55 pm-12:55 pm

1 stop12h 00m

Liberia

Sun 2/1

2:20 pm-12:59 am

1 stop13h 39m

$543

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Tue 12/2

5:24 pm-11:48 pm

2 stops27h 24m

San José Juan Santamaria Intl

Wed 12/10

1:30 am-8:47 pm

2 stops22h 17m

$668

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 3/29

8:48 pm-1:04 pm

1 stop14h 16m

San José Juan Santamaria Intl

Wed 4/1

12:01 am-6:37 pm

1 stop20h 36m

$674

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 1/25

12:59 am-6:01 pm

1 stop14h 02m

Liberia

Sun 2/1

11:20 am-12:59 am

1 stop16h 39m

$676

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Tue 12/2

11:59 pm-1:15 pm

2 stops34h 16m

San José Juan Santamaria Intl

Thu 12/11

2:20 pm-10:56 pm

3 stops35h 36m

$699

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 3/7

11:55 pm-11:56 am

2 stops33h 01m

San José Juan Santamaria Intl

Sun 3/15

5:40 am-10:34 pm

2 stops42h 54m

$726

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 12/1

8:21 pm-1:39 pm

2 stops14h 18m

San José Juan Santamaria Intl

Wed 12/10

2:56 pm-1:30 pm

2 stops25h 34m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 22 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 October 10, 2025.

It’s optimal to fly from Alaska to Costa Rica at noon. By choosing this option you can save up to 39% 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 12h 49m. Alaska Airlines provides one of the quickest options available for as low as $519. 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. Delta flights start at $260 while deals on United Airlines start at $327 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

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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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$715FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$510Average$763FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$544Average$789FlexibilityNo cancel feeOn-time71%

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