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Cheap flights from Alaska to Costa Rica from $280

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 4/16. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:50 pm - 12:00 pmANC-LIR
18h 10m2 stops
Delta Logo
1:25 pm - 12:13 pmLIR-ANC
24h 48m2 stops
$558Delta
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mar., abr. 21 - jue., abr. 23
American Airlines Logo
8:50 pm - 1:09 pmANC-SJO
14h 19m1 stop
American Airlines Logo
11:59 pm - 6:25 pmSJO-ANC
20h 26m1 stop
$574American Airlines
Find Deal
vie., may. 1 - vie., may. 22
Alaska Airlines Logo
11:59 am - 11:59 pmANC-SJO
57h 00m2 stops
Alaska Airlines Logo
1:16 am - 8:51 pmSJO-ANC
22h 35m2 stops
$614Alaska Airlines
Find Deal
vie., ene. 30 - sáb., feb. 7
United Airlines Logo
11:45 pm - 8:39 pmANC-SJO
17h 54m2 stops
United Airlines Logo
8:45 am - 11:15 pmSJO-ANC
17h 30m2 stops
$628United Airlines
Find Deal
mar., ene. 13 - mar., ene. 20
Alaska Airlines Logo
6:03 pm - 12:01 amANC-SJO
50h 58m2 stops
Alaska Airlines Logo
1:16 am - 12:59 amSJO-ANC
26h 43m1 stop
$634Alaska Airlines
Find Deal
vie., ene. 30 - sáb., feb. 7
United Airlines Logo
11:45 pm - 8:39 pmANC-SJO
17h 54m2 stops
United Airlines Logo
7:30 am - 11:08 pmSJO-ANC
18h 38m1 stop
$645United Airlines
Find Deal
jue., ene. 22 - dom., mar. 1
Multiple Airlines Logo
5:03 pm - 11:27 amANC-SJO
15h 24m2 stops
Multiple Airlines Logo
1:16 am - 12:54 amSJO-ANC
26h 38m1 stop
$718Multiple Airlines
Find Deal
jue., ene. 29 - sáb., feb. 7
Multiple Airlines Logo
12:59 am - 9:50 pmANC-SJO
17h 51m2 stops
Multiple Airlines Logo
1:16 am - 12:54 amSJO-ANC
26h 38m1 stop
$745Multiple Airlines
Find Deal
jue., ene. 29 - sáb., feb. 7
Aeromexico Logo
1:30 am - 11:45 pmANC-SJO
20h 15m2 stops
Aeromexico Logo
8:13 am - 12:28 amSJO-ANC
18h 15m2 stops
$807Aeromexico
Find Deal
sáb., mar. 28 - jue., abr. 2
Aeromexico Logo
1:30 am - 11:45 pmANC-SJO
20h 15m2 stops
Aeromexico Logo
8:13 am - 12:28 amSJO-ANC
18h 15m2 stops
$808Aeromexico
Find Deal
sáb., mar. 28 - jue., abr. 2

American Airlines flights from Alaska to Costa Rica

Our best American Airlines deals on Alaska to Costa Rica flight tickets
American Airlines
May 1
ANC8:50 pmAnchorage
14h 19m
1 stop
SJO1:09 pmSan José Juan Santamaria Intl
May 22
SJO11:59 pmSan José Juan Santamaria Intl
20h 26m
1 stop
ANC6:25 pmAnchorage
$574
Find similar
American Airlines
Apr 22
ANC8:50 pmAnchorage
14h 14m
1 stop
LIR1:04 pmLiberia
Apr 29
LIR1:55 pmLiberia
30h 40m
1 stop
ANC6:35 pmAnchorage
$576
Find similar
American Airlines
May 1
ANC8:50 pmAnchorage
14h 10m
2 stops
SJO1:00 pmSan José Juan Santamaria Intl
May 22
SJO11:59 pmSan José Juan Santamaria Intl
20h 26m
1 stop
ANC6:25 pmAnchorage
$579
Find similar

Alaska Airlines flights from Alaska to Costa Rica

Our best Alaska Airlines deals on Alaska to Costa Rica flight tickets
Alaska Airlines
Jan 30
ANC11:59 amAnchorage
57h 00m
2 stops
SJO11:59 pmSan José Juan Santamaria Intl
Feb 7
SJO1:16 amSan José Juan Santamaria Intl
22h 35m
2 stops
ANC8:51 pmAnchorage
$614
Find similar
Alaska Airlines
Jan 30
ANC6:03 pmAnchorage
50h 58m
2 stops
SJO12:01 amSan José Juan Santamaria Intl
Feb 7
SJO1:16 amSan José Juan Santamaria Intl
26h 43m
1 stop
ANC12:59 amAnchorage
$634
Find similar
Alaska Airlines
Jan 30
ANC3:53 pmAnchorage
53h 06m
2 stops
SJO11:59 pmSan José Juan Santamaria Intl
Feb 7
SJO1:16 amSan José Juan Santamaria Intl
26h 38m
1 stop
ANC12:54 amAnchorage
$635
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 noviembre 3, 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

mar. 4/21

3:50 pm-12:00 pm

2 stops18h 10m

Liberia

jue. 4/23

1:25 pm-12:13 pm

2 stops24h 48m

$558

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

vie. 5/1

8:50 pm-1:09 pm

1 stop14h 19m

San José Juan Santamaria Intl

vie. 5/22

11:59 pm-6:25 pm

1 stop20h 26m

$574

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

vie. 1/30

11:59 am-11:59 pm

2 stops57h 00m

San José Juan Santamaria Intl

sáb. 2/7

1:16 am-8:51 pm

2 stops22h 35m

$614

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

mar. 1/13

11:45 pm-8:39 pm

2 stops17h 54m

San José Juan Santamaria Intl

mar. 1/20

8:45 am-11:15 pm

2 stops17h 30m

$628

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

vie. 1/30

6:03 pm-12:01 am

2 stops50h 58m

San José Juan Santamaria Intl

sáb. 2/7

1:16 am-12:59 am

1 stop26h 43m

$634

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

jue. 1/22

11:45 pm-8:39 pm

2 stops17h 54m

San José Juan Santamaria Intl

dom. 3/1

7:30 am-11:08 pm

1 stop18h 38m

$645

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

jue. 1/29

5:03 pm-11:27 am

2 stops15h 24m

San José Juan Santamaria Intl

sáb. 2/7

1:16 am-12:54 am

1 stop26h 38m

$718

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

jue. 1/29

12:59 am-9:50 pm

2 stops17h 51m

San José Juan Santamaria Intl

sáb. 2/7

1:16 am-12:54 am

1 stop26h 38m

$745

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

sáb. 3/28

1:30 am-11:45 pm

2 stops20h 15m

San José Juan Santamaria Intl

jue. 4/2

8:13 am-12:28 am

2 stops18h 15m

$807

AnchorageSan José

ANC - SJO

ANCSJO

Anchorage

sáb. 3/28

1:30 am-11:45 pm

2 stops20h 15m

San José Juan Santamaria Intl

jue. 4/2

8:13 am-12:28 am

2 stops18h 15m

$808

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $476, 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 4% 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

Direct flights

None
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
8,997 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $523Free CancellationRating
8.0
11,235 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $544Free CancellationRating
7.2
11,036 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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