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Cheap flights from Alaska to Costa Rica from $260

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 3/13. 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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0 bags

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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
6:00 am - 6:45 am
ANC
-
LIR
21h 45m2 stops
Alaska Airlines Logo
7:08 pm - 1:26 pm
LIR
-
ANC
21h 18m2 stops
$552Alaska Airlines
Sun, Feb 22 - Thu, Feb 26
Alaska Airlines Logo
12:53 am - 5:58 pm
ANC
-
LIR
14h 05m1 stop
Alaska Airlines Logo
8:05 am - 12:55 am
LIR
-
ANC
19h 50m1 stop
$553Alaska Airlines
Sat, Feb 21 - Thu, Feb 26
Alaska Airlines Logo
12:29 am - 5:58 pm
ANC
-
LIR
14h 29m2 stops
Alaska Airlines Logo
8:05 am - 12:55 am
LIR
-
ANC
19h 50m1 stop
$555Alaska Airlines
Sat, Feb 21 - Thu, Feb 26
Alaska Airlines Logo
2:26 am - 6:45 am
ANC
-
LIR
25h 19m2 stops
Alaska Airlines Logo
8:05 am - 12:55 am
LIR
-
ANC
19h 50m1 stop
$558Alaska Airlines
Sat, Feb 21 - Thu, Feb 26
American Airlines Logo
8:13 pm - 1:53 pm
ANC
-
SJO
15h 40m1 stop
American Airlines Logo
11:35 pm - 7:06 pm
SJO
-
ANC
21h 31m1 stop
$576American Airlines
Sun, Mar 22 - Tue, Mar 24
American Airlines Logo
8:50 pm - 1:04 pm
ANC
-
LIR
14h 14m1 stop
American Airlines Logo
1:55 pm - 6:35 pm
LIR
-
ANC
30h 40m1 stop
$576American Airlines
Wed, Apr 22 - Wed, Apr 29
American Airlines Logo
8:13 pm - 1:14 pm
ANC
-
SJO
15h 01m2 stops
American Airlines Logo
11:35 pm - 7:06 pm
SJO
-
ANC
21h 31m1 stop
$580American Airlines
Sun, Mar 22 - Tue, Mar 24
Alaska Airlines Logo
11:15 pm - 11:33 pm
ANC
-
SJO
22h 18m1 stop
Alaska Airlines Logo
12:53 am - 10:36 pm
SJO
-
ANC
23h 43m2 stops
$590Alaska Airlines
Sun, May 24 - Sun, Jun 7
United Airlines Logo
9:00 am - 12:56 pm
ANC
-
SJO
24h 56m2 stops
United Airlines Logo
6:40 am - 11:15 pm
SJO
-
ANC
19h 35m2 stops
$634United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
9:00 am - 6:25 am
ANC
-
SJO
18h 25m2 stops
United Airlines Logo
7:30 am - 11:15 pm
SJO
-
ANC
18h 45m1 stop
$684United Airlines
Sat, Jan 24 - Sat, Jan 31

American Airlines flights from Alaska to Costa Rica

Our best American Airlines deals on Alaska to Costa Rica flight tickets
American Airlines
Mar 22
ANC8:13 pmAnchorage
15h 40m
1 stop
SJO1:53 pmSan José Juan Santamaria Intl
Mar 24
SJO11:35 pmSan José Juan Santamaria Intl
21h 31m
1 stop
ANC7:06 pmAnchorage
$576
Find similar
American Airlines
Mar 22
ANC8:13 pmAnchorage
15h 01m
2 stops
SJO1:14 pmSan José Juan Santamaria Intl
Mar 24
SJO11:35 pmSan José Juan Santamaria Intl
21h 31m
1 stop
ANC7:06 pmAnchorage
$580
Find similar
American Airlines
Mar 17
ANC8:13 pmAnchorage
15h 40m
1 stop
SJO1:53 pmSan José Juan Santamaria Intl
Apr 1
SJO11:35 pmSan José Juan Santamaria Intl
21h 31m
1 stop
ANC7:06 pmAnchorage
$614
Find similar

United Airlines flights from Alaska to Costa Rica

Our best United Airlines deals on Alaska to Costa Rica flight tickets
United Airlines
Jan 24
ANC9:00 amAnchorage
24h 56m
2 stops
SJO12:56 pmSan José Juan Santamaria Intl
Jan 31
SJO6:40 amSan José Juan Santamaria Intl
19h 35m
2 stops
ANC11:15 pmAnchorage
$634
Find similar
United Airlines
Jan 24
ANC9:00 amAnchorage
18h 25m
2 stops
SJO6:25 amSan José Juan Santamaria Intl
Jan 31
SJO7:30 amSan José Juan Santamaria Intl
18h 45m
1 stop
ANC11:15 pmAnchorage
$684
Find similar
United Airlines
Feb 3
ANC9:00 amAnchorage
25h 15m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
Feb 6
SJO8:45 amSan José Juan Santamaria Intl
38h 12m
2 stops
ANC7:57 pmAnchorage
$709
Find similar

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 December 26, 2025.
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

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sun 2/22

6:00 am-6:45 am

2 stops21h 45m

Liberia

Thu 2/26

7:08 pm-1:26 pm

2 stops21h 18m

$552

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 2/21

12:53 am-5:58 pm

1 stop14h 05m

Liberia

Thu 2/26

8:05 am-12:55 am

1 stop19h 50m

$553

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 2/21

12:29 am-5:58 pm

2 stops14h 29m

Liberia

Thu 2/26

8:05 am-12:55 am

1 stop19h 50m

$555

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Sat 2/21

2:26 am-6:45 am

2 stops25h 19m

Liberia

Thu 2/26

8:05 am-12:55 am

1 stop19h 50m

$558

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 3/22

8:13 pm-1:53 pm

1 stop15h 40m

San José Juan Santamaria Intl

Tue 3/24

11:35 pm-7:06 pm

1 stop21h 31m

$576

AnchorageLiberia

ANC - LIR

ANCLIR

Anchorage

Wed 4/22

8:50 pm-1:04 pm

1 stop14h 14m

Liberia

Wed 4/29

1:55 pm-6:35 pm

1 stop30h 40m

$576

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 3/22

8:13 pm-1:14 pm

2 stops15h 01m

San José Juan Santamaria Intl

Tue 3/24

11:35 pm-7:06 pm

1 stop21h 31m

$580

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sun 5/24

11:15 pm-11:33 pm

1 stop22h 18m

San José Juan Santamaria Intl

Sun 6/7

12:53 am-10:36 pm

2 stops23h 43m

$590

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 1/24

9:00 am-12:56 pm

2 stops24h 56m

San José Juan Santamaria Intl

Sat 1/31

6:40 am-11:15 pm

2 stops19h 35m

$634

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

Sat 1/24

9:00 am-6:25 am

2 stops18h 25m

San José Juan Santamaria Intl

Sat 1/31

7:30 am-11:15 pm

1 stop18h 45m

$684

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

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.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Monday is the cheapest day to fly to Costa Rica from Alaska. The lowest ticket price found for a Monday departure recently was $614. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $970. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the evening is the cheapest time of day to fly from Alaska to Costa Rica when you can find flight prices for as low as $720. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $742. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 23m

Direct flights

None
The fastest flight from Alaska to Costa Rica takes 13h 23m
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?

  • 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
United AirlinesPriceFrom $460Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $528Free CancellationRating
8.0
11,542 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $544Free CancellationRating
7.2
11,067 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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