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

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

What airlines fly to Costa Rica?

Alaska Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Costa Rica from Alaska according to our data. Alaska Airlines is the first choice among our users, with 47% 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 May 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.

$283 Cheap Flights from Alaska to Costa Rica in 2026

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Find the cheapest flights from Alaska to Costa Rica

Round-trip

One-way

Last minute

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

1:25 pm - 1:35 am

SJO

ANC

38h 10m

2 stops

$605Aeromexico

Mon, Sep 14 - Wed, Sep 23

1:30 am - 11:45 pm

ANC

SJO

20h 15m

2 stops

8:13 am - 1:45 am

SJO

ANC

19h 32m

2 stops

$631Aeromexico

Wed, Sep 30 - Sun, Oct 11

1:55 am - 12:02 pm

ANC

SJO

32h 07m

2 stops

7:31 am - 11:56 pm

SJO

ANC

18h 25m

2 stops

$657Aeromexico

Sun, May 31 - Wed, Jun 10

11:20 pm - 7:54 pm

ANC

LIR

18h 34m

1 stop

9:16 am - 11:22 am

LIR

ANC

28h 06m

2 stops

$669Alaska Airlines

Sun, Oct 4 - Thu, Oct 8

11:20 pm - 7:54 pm

ANC

LIR

18h 34m

1 stop

9:16 am - 11:50 am

LIR

ANC

28h 34m

1 stop

$686Alaska Airlines

Sun, Oct 4 - Thu, Oct 8

1:55 am - 11:41 pm

ANC

SJO

19h 46m

2 stops

7:30 am - 12:25 am

SJO

ANC

18h 55m

2 stops

$690Aeromexico

Sun, May 24 - Sat, May 30

2:27 am - 11:57 pm

ANC

SJO

18h 30m

2 stops

1:45 am - 8:39 pm

SJO

ANC

21h 54m

2 stops

$711Alaska Airlines

Mon, Nov 2 - Wed, Nov 4

1:55 am - 11:34 pm

ANC

SJO

19h 39m

2 stops

1:17 pm - 11:56 pm

SJO

ANC

36h 39m

2 stops

$719Aeromexico

Sun, May 31 - Tue, Jun 9

10:29 pm - 12:10 pm

ANC

LIR

11h 41m

1 stop

11:10 am - 11:10 am

LIR

ANC

26h 00m

2 stops

$843United Airlines

Fri, May 29 - Wed, Jun 3

10:29 pm - 12:10 pm

ANC

LIR

11h 41m

1 stop

11:49 am - 11:10 am

LIR

ANC

25h 21m

1 stop

$1,225United Airlines

Fri, May 29 - Wed, Jun 3

Aeromexico flights from Alaska to Costa Rica

Our best Aeromexico deals on Alaska to Costa Rica flight tickets

Aeromexico

Sep 14

ANC1:30 amAnchorage

32h 35m

2 stops

SJO12:05 pmSan José Juan Santamaria Intl

Sep 23

SJO1:25 pmSan José Juan Santamaria Intl

38h 10m

2 stops

ANC1:35 amAnchorage

$605

Aeromexico

Sep 30

ANC1:30 amAnchorage

20h 15m

2 stops

SJO11:45 pmSan José Juan Santamaria Intl

Oct 11

SJO8:13 amSan José Juan Santamaria Intl

19h 32m

2 stops

ANC1:45 amAnchorage

$631

Aeromexico

May 31

ANC1:55 amAnchorage

32h 07m

2 stops

SJO12:02 pmSan José Juan Santamaria Intl

Jun 10

SJO7:31 amSan José Juan Santamaria Intl

18h 25m

2 stops

ANC11:56 pmAnchorage

$657

Air Canada flights from Alaska to Costa Rica

Our best Air Canada deals on Alaska to Costa Rica flight tickets

Air Canada

Jun 8

ANC2:40 pmAnchorage

29h 20m

2 stops

SJO10:00 pmSan José Juan Santamaria Intl

Jun 19

SJO7:10 amSan José Juan Santamaria Intl

32h 28m

2 stops

ANC1:38 pmAnchorage

$857

Air Canada

Jun 7

ANC2:40 pmAnchorage

29h 20m

2 stops

SJO10:00 pmSan José Juan Santamaria Intl

Jun 19

SJO7:10 amSan José Juan Santamaria Intl

32h 28m

2 stops

ANC1:38 pmAnchorage

$905

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 9/14

1:30 am-12:05 pm

2 stops32h 35m

San José Juan Santamaria Intl

Wed 9/23

1:25 pm-1:35 am

2 stops38h 10m

$605

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Wed 9/30

1:30 am-11:45 pm

2 stops20h 15m

San José Juan Santamaria Intl

Sun 10/11

8:13 am-1:45 am

2 stops19h 32m

$631

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 5/31

1:55 am-12:02 pm

2 stops32h 07m

San José Juan Santamaria Intl

Wed 6/10

7:31 am-11:56 pm

2 stops18h 25m

$657

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 10/4

11:20 pm-7:54 pm

1 stop18h 34m

Liberia

Thu 10/8

9:16 am-11:22 am

2 stops28h 06m

$669

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 10/4

11:20 pm-7:54 pm

1 stop18h 34m

Liberia

Thu 10/8

9:16 am-11:50 am

1 stop28h 34m

$686

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 5/24

1:55 am-11:41 pm

2 stops19h 46m

San José Juan Santamaria Intl

Sat 5/30

7:30 am-12:25 am

2 stops18h 55m

$690

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Mon 11/2

2:27 am-11:57 pm

2 stops18h 30m

San José Juan Santamaria Intl

Wed 11/4

1:45 am-8:39 pm

2 stops21h 54m

$711

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 5/31

1:55 am-11:34 pm

2 stops19h 39m

San José Juan Santamaria Intl

Tue 6/9

1:17 pm-11:56 pm

2 stops36h 39m

$719

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Fri 5/29

10:29 pm-12:10 pm

1 stop11h 41m

Liberia

Wed 6/3

11:10 am-11:10 am

2 stops26h 00m

$843

Quickest round-trip

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Fri 5/29

10:29 pm-12:10 pm

1 stop11h 41m

Liberia

Wed 6/3

11:49 am-11:10 am

1 stop25h 21m

$1,225

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 $275, 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 May is your next best option. Flight prices from Alaska to Costa Rica during May average around $460.

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

Frequently asked questions about flying from Alaska to Costa Rica

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 May 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 12,349 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $326	Free Cancellation	Rating 7.4 9,693 reviews	Search United Airlines flights
American Airlines	PriceFrom $544	Free Cancellation	Rating 7.1 11,670 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.

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Popular cities in Costa Rica

Flights to San Joséfrom $241

Flights to Liberiafrom $334

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Cheap flights from Alaska to Costa Rica from $283

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 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Aeromexico flights from Alaska to Costa Rica

Our best Aeromexico deals on Alaska to Costa Rica flight tickets

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Our best Air Canada deals on Alaska to Costa Rica flight tickets

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

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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

Frequently asked questions about flying from Alaska to Costa Rica

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