What is the cheapest airline that flies from Alaska to Costa Rica?

Aeromexico, Alaska Airlines, and United Airlines are the most popular carriers operating from Alaska to Costa Rica

What airlines fly to Costa Rica?

United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Costa Rica from Alaska according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 3 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Alaska to Costa Rica?

Prices for flights from Alaska to Costa Rica refresh daily.

How many operators does momondo search for flights from Alaska to Costa Rica?

The number of operators available for flights from Alaska to Costa Rica is 3 as of March 2026.

How old do you have to be to fly from Alaska to Costa Rica?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$285 Cheap Flights from Alaska to Costa Rica in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Alaska to Costa Rica

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 am - 12:05 pm

ANC

SJO

32h 35m

2 stops

8:13 am - 1:35 am

SJO

ANC

19h 22m

2 stops

$599Aeromexico

Tue, Sep 8 - Wed, Sep 16

1:30 am - 11:41 pm

ANC

SJO

20h 11m

2 stops

1:20 pm - 12:50 am

SJO

ANC

37h 30m

2 stops

$634Aeromexico

Mon, May 4 - Tue, May 12

10:26 am - 6:20 am

ANC

LIR

17h 54m

2 stops

11:20 am - 12:03 pm

LIR

ANC

26h 43m

2 stops

$649Alaska Airlines

Sun, May 3 - Thu, May 7

11:45 pm - 6:20 am

ANC

LIR

28h 35m

1 stop

11:20 am - 12:35 am

LIR

ANC

15h 15m

1 stop

$666Alaska Airlines

Sun, May 3 - Thu, May 7

2:26 pm - 12:21 pm

ANC

SJO

19h 55m

2 stops

7:55 am - 7:16 pm

SJO

ANC

13h 21m

1 stop

$667United Airlines

Wed, Sep 9 - Wed, Sep 16

8:30 pm - 1:22 pm

ANC

SJO

14h 52m

1 stop

11:35 pm - 6:50 pm

SJO

ANC

21h 15m

1 stop

$677American Airlines

Fri, May 1 - Wed, May 6

7:00 am - 10:42 pm

ANC

SJO

13h 42m

1 stop

6:00 am - 11:52 pm

SJO

ANC

19h 52m

2 stops

$706American Airlines

Fri, May 22 - Fri, May 29

1:55 am - 12:05 pm

ANC

SJO

32h 10m

2 stops

12:53 am - 9:51 am

SJO

ANC

34h 58m

2 stops

$712Multiple Airlines

Thu, May 21 - Thu, May 28

11:49 pm - 12:10 pm

ANC

LIR

34h 21m

2 stops

3:27 pm - 11:10 am

LIR

ANC

21h 43m

2 stops

$791United Airlines

Fri, May 15 - Sat, May 23

2:32 pm - 1:10 pm

ANC

LIR

20h 38m

2 stops

2:40 pm - 6:50 pm

LIR

ANC

30h 10m

2 stops

$849Multiple Airlines

Wed, Apr 22 - Wed, Apr 29

United Airlines flights from Alaska to Costa Rica

Our best United Airlines deals on Alaska to Costa Rica flight tickets

United Airlines

Sep 9

ANC2:26 pmAnchorage

19h 55m

2 stops

SJO12:21 pmSan José Juan Santamaria Intl

Sep 16

SJO7:55 amSan José Juan Santamaria Intl

13h 21m

1 stop

ANC7:16 pmAnchorage

$667

United Airlines

Sep 9

ANC3:10 pmAnchorage

19h 11m

2 stops

SJO12:21 pmSan José Juan Santamaria Intl

Sep 16

SJO7:55 amSan José Juan Santamaria Intl

32h 10m

3 stops

ANC2:05 pmAnchorage

$781

United Airlines

May 24

ANC10:29 pmAnchorage

19h 08m

1 stop

SJO7:37 pmSan José Juan Santamaria Intl

Jun 8

SJO8:45 amSan José Juan Santamaria Intl

16h 01m

1 stop

ANC10:46 pmAnchorage

$787

Alaska Airlines flights from Alaska to Costa Rica

Our best Alaska Airlines deals on Alaska to Costa Rica flight tickets

Alaska Airlines

May 3

ANC10:26 amAnchorage

17h 54m

2 stops

LIR6:20 amLiberia

May 7

LIR11:20 amLiberia

26h 43m

2 stops

ANC12:03 pmAnchorage

$649

Alaska Airlines

May 3

ANC11:45 pmAnchorage

28h 35m

1 stop

LIR6:20 amLiberia

May 7

LIR11:20 amLiberia

15h 15m

1 stop

ANC12:35 amAnchorage

$666

Alaska Airlines

May 7

ANC7:00 amAnchorage

14h 45m

2 stops

SJO11:45 pmSan José Juan Santamaria Intl

May 12

SJO12:35 amSan José Juan Santamaria Intl

24h 45m

2 stops

ANC11:20 pmAnchorage

$681

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Tue 9/8

1:30 am-12:05 pm

2 stops32h 35m

San José Juan Santamaria Intl

Wed 9/16

8:13 am-1:35 am

2 stops19h 22m

$599

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 5/4

1:30 am-11:41 pm

2 stops20h 11m

San José Juan Santamaria Intl

Tue 5/12

1:20 pm-12:50 am

2 stops37h 30m

$634

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 5/3

10:26 am-6:20 am

2 stops17h 54m

Liberia

Thu 5/7

11:20 am-12:03 pm

2 stops26h 43m

$649

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 5/3

11:45 pm-6:20 am

1 stop28h 35m

Liberia

Thu 5/7

11:20 am-12:35 am

1 stop15h 15m

$666

Quickest round-trip

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Wed 9/9

2:26 pm-12:21 pm

2 stops19h 55m

San José Juan Santamaria Intl

Wed 9/16

7:55 am-7:16 pm

1 stop13h 21m

$667

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Fri 5/1

8:30 pm-1:22 pm

1 stop14h 52m

San José Juan Santamaria Intl

Wed 5/6

11:35 pm-6:50 pm

1 stop21h 15m

$677

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Fri 5/22

7:00 am-10:42 pm

1 stop13h 42m

San José Juan Santamaria Intl

Fri 5/29

6:00 am-11:52 pm

2 stops19h 52m

$706

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Thu 5/21

1:55 am-12:05 pm

2 stops32h 10m

San José Juan Santamaria Intl

Thu 5/28

12:53 am-9:51 am

2 stops34h 58m

$712

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Fri 5/15

11:49 pm-12:10 pm

2 stops34h 21m

Liberia

Sat 5/23

3:27 pm-11:10 am

2 stops21h 43m

$791

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 4/22

2:32 pm-1:10 pm

2 stops20h 38m

Liberia

Wed 4/29

2:40 pm-6:50 pm

2 stops30h 10m

$849

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Alaska to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Alaska is in August. Flight prices, which tend to average around $375, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in August, then October is your next best option. Flight prices from Alaska to Costa Rica during October average around $554.

Can stopping save me money on Alaska to Costa Rica flights?

You could potentially save up to 3% on your flight if you consider stops on a Alaska to Costa Rica flight.

Cheap Alaska to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Alaska to Costa Rica

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from Alaska to Costa Rica takes 13h 30m

There are no direct flights from Alaska to Costa Rica. There are no popular flight routes from Alaska to Costa Rica.

Search flight deals

When did momondo last update prices for flights from Alaska to Costa Rica?
Prices for flights from Alaska to Costa Rica refresh daily.
How many operators does momondo search for flights from Alaska to Costa Rica?
The number of operators available for flights from Alaska to Costa Rica is 3 as of March 2026.
How old do you have to be to fly from Alaska to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Alaska to Costa Rica

Compare and see reviews for airlines that fly from Alaska to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $275	Free Cancellation	Rating 7.9 12,111 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $460	Free Cancellation	Rating 7.4 9,477 reviews	Search United Airlines flights
American Airlines	PriceFrom $544	Free Cancellation	Rating 7.1 11,494 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Alaska to Costa Rica?

Finding the right flight to Costa Rica from Alaska is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Costa Rica quick and easy, saving you time and money.

Can I find flights from Alaska to Costa Rica with flexible booking policies on momondo?

Yes. All flights to Costa Rica from Alaska on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Alaska to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Alaska.

I’m not ready to book a flight from Alaska to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Alaska to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 4/25

Sat 5/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Popular cities

Other flights from Alaska

Other flights to Costa Rica

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Costa Rica

Flights to San Joséfrom $203

Flights to Liberiafrom $289

Flights to Limon

Flights to Tamarindo

Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Flights to Buenos Aires, Puntarenas

Cheap flights from Alaska to Costa Rica from $285

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to Costa Rica departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Alaska to Costa Rica

Cheap round-trip flights

Cheap one-way flights

United Airlines flights from Alaska to Costa Rica

Our best United Airlines deals on Alaska to Costa Rica flight tickets

Alaska Airlines flights from Alaska to Costa Rica

Our best Alaska Airlines deals on Alaska to Costa Rica flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Alaska to Costa Rica that are best for you.

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Alaska to Costa Rica

What is the cheapest month to fly to Costa Rica?

Can stopping save me money on Alaska to Costa Rica flights?

What is the cheapest airline that flies from Alaska to Costa Rica?

What airlines fly to Costa Rica?

Cheap Alaska to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Alaska to Costa Rica

Fastest flight time

Direct flights

Best airlines flying from Alaska to Costa Rica

Compare and see reviews for airlines that fly from Alaska to Costa Rica with momondo

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Alaska flight routes

According to popular flight searches on momondo this year

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year