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$214+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$491
(Alaska Airlines)

One-way from

$214
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$720
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. 5% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/281:55 amANC - SJO
2 stops19h 51mAlaska Airlines
Sun 6/11:06 amSJO - ANC
2 stops34h 34mAlaska Airlines
Deal found 4/30$491
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/294:00 pmANC - SJO
1 stop13h 15mUnited Airlines
Mon 6/28:45 amSJO - ANC
1 stop16h 07mUnited Airlines
Deal found 4/30$496
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 6/66:09 amANC - SJO
1 stop13h 55mAmerican Airlines
Sun 6/811:59 pmSJO - ANC
1 stop24h 44mAmerican Airlines
Deal found 4/30$583
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 10/18:55 pmANC - LIR
1 stop14h 06mAmerican Airlines
Wed 10/82:03 pmLIR - ANC
1 stop30h 36mAmerican Airlines
Deal found 5/1$606
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/284:00 pmANC - LIR
2 stops16h 00mUnited Airlines
Mon 6/303:25 pmLIR - ANC
2 stops33h 27mUnited Airlines
Deal found 4/30$710
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/281:55 amANC - SJO
3 stops19h 20mMultiple Airlines
Sun 6/11:06 amSJO - ANC
2 stops34h 34mMultiple Airlines
Deal found 4/30$711
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 7/222:50 amANC - LIR
2 stops25h 30mAlaska Airlines
Tue 7/2910:00 amLIR - ANC
2 stops16h 50mAlaska Airlines
Deal found 4/30$737
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 10/18:55 pmANC - LIR
1 stop14h 06mMultiple Airlines
Wed 10/812:55 pmLIR - ANC
2 stops23h 59mMultiple Airlines
Deal found 5/1$753

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 May 1, 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

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Wed 5/28

1:55 am-11:46 pm

2 stops19h 51m

San José Juan Santamaria Intl

Sun 6/1

1:06 am-9:40 am

2 stops34h 34m

$491

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Thu 5/29

4:00 pm-7:15 am

1 stop13h 15m

San José Juan Santamaria Intl

Mon 6/2

8:45 am-10:52 pm

1 stop16h 07m

$496

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Fri 6/6

6:09 am-10:04 pm

1 stop13h 55m

San José Juan Santamaria Intl

Sun 6/8

11:59 pm-10:43 pm

1 stop24h 44m

$583

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 10/1

8:55 pm-1:01 pm

1 stop14h 06m

Liberia

Wed 10/8

2:03 pm-6:39 pm

1 stop30h 36m

$606

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 5/28

4:00 pm-10:00 am

2 stops16h 00m

Liberia

Mon 6/30

3:25 pm-10:52 pm

2 stops33h 27m

$710

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Wed 5/28

1:55 am-11:15 pm

3 stops19h 20m

San José Juan Santamaria Intl

Sun 6/1

1:06 am-9:40 am

2 stops34h 34m

$711

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Tue 7/22

2:50 am-6:20 am

2 stops25h 30m

Liberia

Tue 7/29

10:00 am-12:50 am

2 stops16h 50m

$737

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 10/1

8:55 pm-1:01 pm

1 stop14h 06m

Liberia

Wed 10/8

12:55 pm-10:54 am

2 stops23h 59m

$753

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Fri 8/15

12:54 am-11:30 pm

1 stop20h 36m

$214

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 9/28

8:55 pm-5:30 pm

1 stop18h 35m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
1
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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, September is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $398). Flying from Alaska to Costa Rica in March is currently the most expensive (average of $555). 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 May 1, 2025.

When flying from Alaska to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated May 1, 2025.
See what other customers who have flown with Alaska Airlines, United Airlines and American Airlines from Alaska to Costa Rica have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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, September is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $398). Flying from Alaska to Costa Rica in March is currently the most expensive (average of $555). 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 4 airlines flying from Alaska to Costa Rica

Discover the top 4 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$510Average$780FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$559Average$726FlexibilityNo cancel feeOn-time69%
DeltaCheapest$591Average$639FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$614Average$704FlexibilityNo cancel feeOn-time71%

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