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Cheap flights from Alaska to Costa Rica from $331

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 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alaska to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
12:25 am - 7:12 amANC  Anchorage-LIR Liberia
27h 47m2 stops Seattle/Tacoma Intl Los Angeles
Alaska Airlines Logo
8:33 am - 8:30 pmLIR  Liberia-ANC Anchorage
14h 57m2 stops Los Angeles Portland
$678Alaska Airlines
Wed, Dec 30 - Thu, Jan 14
Alaska Airlines Logo
1:02 am - 7:12 amANC  Anchorage-LIR Liberia
27h 10m2 stops Seattle/Tacoma Intl Los Angeles
Alaska Airlines Logo
8:33 am - 10:48 pmLIR  Liberia-ANC Anchorage
17h 15m1 stop Los Angeles
$678Alaska Airlines
Wed, Dec 30 - Thu, Jan 14
United Airlines Logo
1:20 am - 4:10 pmANC  Anchorage-LIR Liberia
11h 50m1 stop Denver Intl
United Airlines Logo
12:50 pm - 10:39 pmLIR  Liberia-ANC Anchorage
12h 49m1 stop Denver Intl
$695United Airlines
Wed, Dec 30 - Thu, Jan 14
United Airlines Logo
9:00 am - 12:55 pmANC  Anchorage-LIR Liberia
24h 55m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
12:50 pm - 10:39 pmLIR  Liberia-ANC Anchorage
12h 49m1 stop Denver Intl
$695United Airlines
Sun, Jan 17 - Thu, Jan 28
Alaska Airlines Logo
11:12 pm - 8:31 pmANC  Anchorage-LIR Liberia
18h 19m1 stop Los Angeles
Alaska Airlines Logo
8:33 am - 10:48 pmLIR  Liberia-ANC Anchorage
17h 15m1 stop Los Angeles
$695Alaska Airlines
Sun, Jan 24 - Thu, Jan 28
Alaska Airlines Logo
12:34 am - 6:25 pmANC  Anchorage-LIR Liberia
14h 51m1 stop Los Angeles
Alaska Airlines Logo
10:00 am - 12:11 amLIR  Liberia-ANC Anchorage
17h 11m1 stop Los Angeles
$695Alaska Airlines
Sat, Jan 23 - Thu, Jan 28
American Airlines Logo
8:22 pm - 2:00 pmANC  Anchorage-SJO San José Juan Santamaria Intl
15h 38m1 stop Dallas/Fort Worth
American Airlines Logo
3:01 pm - 7:17 pmSJO  San José Juan Santamaria Intl-ANC Anchorage
30h 16m2 stops Miami Dallas/Fort Worth
$811American Airlines
Tue, Oct 13 - Wed, Oct 28
United Airlines Logo
11:45 pm - 7:37 pmANC  Anchorage-SJO San José Juan Santamaria Intl
17h 52m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
7:45 am - 10:56 pmSJO  San José Juan Santamaria Intl-ANC Anchorage
17h 11m2 stops Houston George Bush Intcntl Denver Intl
$811United Airlines
Tue, Oct 13 - Wed, Oct 28
American Airlines Logo
8:22 pm - 2:00 pmANC  Anchorage-SJO San José Juan Santamaria Intl
15h 38m1 stop Dallas/Fort Worth
American Airlines Logo
1:00 pm - 7:17 pmSJO  San José Juan Santamaria Intl-ANC Anchorage
32h 17m1 stop Dallas/Fort Worth
$833American Airlines
Tue, Oct 13 - Wed, Oct 28
American Airlines Logo
8:22 pm - 2:00 pmANC  Anchorage-SJO San José Juan Santamaria Intl
15h 38m1 stop Dallas/Fort Worth
American Airlines Logo
1:00 pm - 8:09 pmSJO  San José Juan Santamaria Intl-ANC Anchorage
33h 09m1 stop Dallas/Fort Worth
$864American Airlines
Sat, Oct 24 - Sat, Oct 31

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United Airlines flights from Alaska to Costa Rica

Our best United Airlines deals on Alaska to Costa Rica flight tickets
United Airlines
Oct 13
ANC11:45 pmAnchorage
17h 52m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Oct 28
SJO7:45 amSan José Juan Santamaria Intl
17h 11m
2 stops
ANC10:56 pmAnchorage
$811
United Airlines
Feb 8
ANC11:40 pmAnchorage
13h 28m
1 stop
LIR4:08 pmLiberia
Feb 14
LIR2:01 pmLiberia
32h 39m
1 stop
ANC7:40 pmAnchorage
$826
United Airlines
Feb 6
ANC11:40 pmAnchorage
13h 28m
1 stop
LIR4:08 pmLiberia
Feb 14
LIR12:50 pmLiberia
12h 49m
1 stop
ANC10:39 pmAnchorage
$912

American Airlines flights from Alaska to Costa Rica

Our best American Airlines deals on Alaska to Costa Rica flight tickets
American Airlines
Oct 13
ANC8:22 pmAnchorage
15h 38m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Oct 28
SJO1:00 pmSan José Juan Santamaria Intl
32h 17m
1 stop
ANC7:17 pmAnchorage
$833
American Airlines
Oct 24
ANC8:22 pmAnchorage
15h 38m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Oct 31
SJO1:00 pmSan José Juan Santamaria Intl
33h 09m
1 stop
ANC8:09 pmAnchorage
$864
American Airlines
Oct 24
ANC8:22 pmAnchorage
21h 59m
2 stops
SJO8:21 pmSan José Juan Santamaria Intl
Oct 31
SJO1:00 pmSan José Juan Santamaria Intl
33h 09m
1 stop
ANC8:09 pmAnchorage
$868

momondo 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, momondo users made 832,500 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from Alaska to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageLiberia

ANC Anchorage - LIR Liberia

ANCLIR

Anchorage

Wed 12/30

12:25 am-7:12 am

2 stops27h 47m

Liberia

Thu 1/14

8:33 am-8:30 pm

2 stops14h 57m

$678

AnchorageLiberia

ANC Anchorage - LIR Liberia

ANCLIR

Anchorage

Wed 12/30

1:02 am-7:12 am

2 stops27h 10m

Liberia

Thu 1/14

8:33 am-10:48 pm

1 stop17h 15m

$678
Quickest round-trip

AnchorageLiberia

ANC Anchorage - LIR Liberia

ANCLIR

Anchorage

Wed 12/30

1:20 am-4:10 pm

1 stop11h 50m

Liberia

Thu 1/14

12:50 pm-10:39 pm

1 stop12h 49m

$695

AnchorageLiberia

ANC Anchorage - LIR Liberia

ANCLIR

Anchorage

Sun 1/17

9:00 am-12:55 pm

2 stops24h 55m

Liberia

Thu 1/28

12:50 pm-10:39 pm

1 stop12h 49m

$695

AnchorageLiberia

ANC Anchorage - LIR Liberia

ANCLIR

Anchorage

Sun 1/24

11:12 pm-8:31 pm

1 stop18h 19m

Liberia

Thu 1/28

8:33 am-10:48 pm

1 stop17h 15m

$695

AnchorageLiberia

ANC Anchorage - LIR Liberia

ANCLIR

Anchorage

Sat 1/23

12:34 am-6:25 pm

1 stop14h 51m

Liberia

Thu 1/28

10:00 am-12:11 am

1 stop17h 11m

$695

AnchorageSan José

ANC Anchorage - SJO San José Juan Santamaria Intl

ANCSJO

Anchorage

Tue 10/13

8:22 pm-2:00 pm

1 stop15h 38m

San José Juan Santamaria Intl

Wed 10/28

3:01 pm-7:17 pm

2 stops30h 16m

$811

AnchorageSan José

ANC Anchorage - SJO San José Juan Santamaria Intl

ANCSJO

Anchorage

Tue 10/13

11:45 pm-7:37 pm

2 stops17h 52m

San José Juan Santamaria Intl

Wed 10/28

7:45 am-10:56 pm

2 stops17h 11m

$811

AnchorageSan José

ANC Anchorage - SJO San José Juan Santamaria Intl

ANCSJO

Anchorage

Tue 10/13

8:22 pm-2:00 pm

1 stop15h 38m

San José Juan Santamaria Intl

Wed 10/28

1:00 pm-7:17 pm

1 stop32h 17m

$833

AnchorageSan José

ANC Anchorage - SJO San José Juan Santamaria Intl

ANCSJO

Anchorage

Sat 10/24

8:22 pm-2:00 pm

1 stop15h 38m

San José Juan Santamaria Intl

Sat 10/31

1:00 pm-8:09 pm

1 stop33h 09m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

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

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

You could potentially save up to 29% 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

Best Price Found

$331

Fastest flight time

15h 36m

Direct flights

None
The best one-way flight to Costa Rica from Alaska in the past 72 hours is $331. The best round-trip flight deal from Alaska to Costa Rica found on momondo in the last 72 hours is $678.
The fastest flight from Alaska to Costa Rica takes 15h 36m
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?

  • 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 AirlinesPriceFrom $275Free CancellationRating
7.9
12,811 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $544Free CancellationRating
7.1
11,948 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.

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