HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$265+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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

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

Round-trip from

$558
(Alaska Airlines)

One-way from

$265
(Delta)

Popular in

October

Cheapest in

August

Average price

$893
From Alaska to Costa Rica
Search Deals
One-way flight from Alaska to Costa Rica
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 12/14:00 pmANC - LIR
2 stops23h 35mAlaska Airlines
Wed 12/1011:00 amLIR - ANC
2 stops17h 27mAlaska Airlines
Deal found 7/26$558
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:34 pmANC - SJO
1 stop19h 03mUnited Airlines
Tue 8/268:37 amSJO - ANC
1 stop16h 14mUnited Airlines
Deal found 7/27$564
This United Airlines deal was found by Cheapflights users on 7/28. 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 12/1411:59 pmANC - LIR
2 stops34h 11mUnited Airlines
Thu 12/2512:50 pmLIR - ANC
1 stop12h 44mUnited Airlines
Deal found 7/28$576
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:46 pmANC - LIR
1 stop15h 13mAmerican Airlines
Tue 8/262:00 pmLIR - ANC
1 stop35h 05mAmerican Airlines
Deal found 7/28$621
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:15 pmANC - LIR
2 stops16h 45mDelta
Wed 10/81:25 pmLIR - ANC
2 stops22h 54mDelta
Deal found 7/28$629
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 9/278:13 pmANC - SJO
1 stop19h 39mAmerican Airlines
Tue 9/307:27 amSJO - ANC
1 stop13h 40mAmerican Airlines
Deal found 7/25$674
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:09 amANC - SJO
1 stop20h 32mAlaska Airlines
Tue 12/92:26 amSJO - ANC
1 stop14h 19mAlaska Airlines
Deal found 7/27$779
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 12/23:50 pmANC - SJO
2 stops18h 02mDelta
Thu 12/117:00 amSJO - ANC
2 stops20h 59mDelta
Deal found 7/27$827
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:54 amANC - SJO
2 stops15h 03mMultiple Airlines
Wed 9/177:27 amSJO - ANC
2 stops17h 20mMultiple Airlines
Deal found 7/27$829
This Aeromexico deal was found by Cheapflights users on 7/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:55 amANC - SJO
2 stops20h 15mAeromexico
Tue 9/301:20 pmSJO - ANC
2 stops38h 17mAeromexico
Deal found 7/27$871
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:50 pmANC - LIR
2 stops20h 59mMultiple Airlines
Wed 10/812:45 pmLIR - ANC
3 stops26h 35mMultiple Airlines
Deal found 7/27$949

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 July 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

Mon 12/1

4:00 pm-6:35 pm

2 stops23h 35m

Liberia

Wed 12/10

11:00 am-1:27 am

2 stops17h 27m

$558

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 8/18

10:34 pm-7:37 pm

1 stop19h 03m

San José Juan Santamaria Intl

Tue 8/26

8:37 am-10:51 pm

1 stop16h 14m

$564

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 12/14

11:59 pm-1:10 pm

2 stops34h 11m

Liberia

Thu 12/25

12:50 pm-10:34 pm

1 stop12h 44m

$576

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 8/20

7:46 pm-12:59 pm

1 stop15h 13m

Liberia

Tue 8/26

2:00 pm-11:05 pm

1 stop35h 05m

$621

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 10/1

5:15 pm-12:00 pm

2 stops16h 45m

Liberia

Wed 10/8

1:25 pm-10:19 am

2 stops22h 54m

$629

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 9/27

8:13 pm-5:52 pm

1 stop19h 39m

San José Juan Santamaria Intl

Tue 9/30

7:27 am-7:07 pm

1 stop13h 40m

$674

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 1/3

5:45 am-6:50 am

2 stops22h 05m

San José Juan Santamaria Intl

Sat 1/17

8:25 am-12:28 am

2 stops19h 03m

$735

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 11/30

12:09 am-11:41 pm

1 stop20h 32m

San José Juan Santamaria Intl

Tue 12/9

2:26 am-1:45 pm

1 stop14h 19m

$779

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Tue 9/9

12:54 am-5:57 pm

2 stops15h 03m

San José Juan Santamaria Intl

Wed 9/17

7:27 am-10:47 pm

2 stops17h 20m

$829

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Fri 9/26

12:55 am-11:10 pm

2 stops20h 15m

San José Juan Santamaria Intl

Tue 9/30

1:20 pm-1:37 am

2 stops38h 17m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 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, 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 July 28, 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.

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 July 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Aeromexico from Alaska to Costa Rica to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Aeromexico
7.5
Good
1,719 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $265. American Airlines flights start at $271 while deals on Alaska Airlines start at $278 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, 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

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
Los Angeles to San Salvador flights
John F Kennedy Intl to Panama City flights
Dulles Intl to San Salvador flights
Newark to San José flights
Dallas/Fort Worth to Panama City flights
Miami to Panama City flights
Hobby to San Salvador flights
John F Kennedy Intl to Guatemala City flights
Los Angeles to Guatemala City flights
Dallas/Fort Worth to San Salvador flights
Newark to Panama City flights
George Bush Intcntl to San Salvador flights
John F Kennedy Intl to San Salvador flights
Boston to Panama City flights
Los Angeles to San José flights
Newark to Guatemala City flights
LaGuardia to San José flights
Los Angeles to Panama City flights
Newark to San Salvador flights
Hobby to San José flights
LaGuardia to Panama City flights
Atlanta to San José flights
Orlando to Panama City flights
Miami to San José flights
Dallas/Fort Worth to Guatemala City flights
Los Angeles to Philip S.W.Goldson flights
Dulles Intl to San José flights
O'Hare Intl to San José flights
Dulles Intl to Panama City flights
George Bush Intcntl to San José flights
Fort Lauderdale to Panama City flights
Dulles Intl to Guatemala City flights
O'Hare Intl to Liberia flights
Baltimore to San Salvador flights
San Francisco to San José flights
John F Kennedy Intl to Liberia flights
Newark to Liberia flights
Reagan-National to San Salvador flights
Atlanta to San Salvador flights
O'Hare Intl to Panama City flights
Baltimore to San José flights
O'Hare Intl to Guatemala City flights
Dallas/Fort Worth to San José flights
Miami to San Salvador flights
Reagan-National to San José flights
Denver to San José flights
Miami to Managua flights
Ontario to San Salvador flights
Los Angeles to Liberia flights

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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$476Average$720FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$510Average$741FlexibilityNo cancel feeOn-time75%
DeltaCheapest$554Average$680FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$614Average$704FlexibilityNo 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.