$334+ Cheap flights from Alaska to Costa Rica
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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Find cheap flights from Alaska to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Alaska to Costa Rica
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Best
Last-minute
One-way
Cheapest flights from Alaska to Costa RicaExplore the most affordable flight options available from Alaska to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.
Explore the most affordable flight options available from Alaska to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:25 am
ANC
- SJO
2 stops20h 43m
Alaska Airlines
Wed 11/41:43 am
SJO
- ANC
2 stops22h 06m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$791
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:22 pm
ANC
- SJO
1 stop14h 24m
American Airlines
Tue 11/172:46 pm
SJO
- ANC
1 stop31h 23m
American Airlines
Deal found 7/22![American Airlines logo]()
$813
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:14 pm
ANC
- SJO
2 stops21h 39m
American Airlines
Thu 11/2612:30 am
SJO
- ANC
1 stop21h 47m
American Airlines
Deal found 7/22![American Airlines logo]()
$841
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:20 pm
ANC
- SJO
1 stop15h 32m
American Airlines
Mon 9/146:00 am
SJO
- ANC
2 stops16h 49m
American Airlines
Deal found 7/23![American Airlines logo]()
$846
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 pm
ANC
- SJO
2 stops21h 47m
American Airlines
Sun 10/113:01 pm
SJO
- ANC
2 stops30h 16m
American Airlines
Deal found 7/22![American Airlines logo]()
$856
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:19 pm
ANC
- SJO
1 stop19h 18m
United Airlines
Mon 9/147:55 am
SJO
- ANC
1 stop13h 07m
United Airlines
Deal found 7/23![United Airlines logo]()
$857
This Gurufare deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:22 pm
ANC
- LIR
2 stops38h 56m
GOL
Sat 10/242:18 pm
LIR
- ANC
2 stops25h 18m
GOL
Deal found 7/23![GOL logo]()
$911
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:59 pm
ANC
- LIR
1 stop12h 54m
United Airlines
Sat 10/2411:49 am
LIR
- ANC
1 stop12h 54m
United Airlines
Deal found 7/24![United Airlines logo]()
$915
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:24 pm
ANC
- LIR
2 stops23h 19m
American Airlines
Sat 10/242:18 pm
LIR
- ANC
2 stops25h 18m
American Airlines
Deal found 7/24![American Airlines logo]()
$969
This Justfly.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:48 pm
ANC
- SJO
2 stops22h 52m
Multiple Airlines
Sun 10/1112:40 pm
SJO
- ANC
3 stops25h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$974
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:20 pm
ANC
- SJO
3 stops34h 25m
Multiple Airlines
Tue 11/177:50 pm
SJO
- ANC
2 stops43h 18m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,001
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:48 pm
ANC
- SJO
3 stops34h 57m
Multiple Airlines
Mon 9/145:45 am
SJO
- ANC
2 stops20h 32m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,015
Best flights from Alaska to Costa RicaDiscover carefully curated flight deals from Alaska to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 26, 2026.
Discover carefully curated flight deals from Alaska to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 26, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 pm
ANC
- SJO
2 stops21h 47m
American Airlines
Sun 10/113:01 pm
SJO
- ANC
2 stops30h 16m
American Airlines
Deal found 7/21![American Airlines logo]()
$856
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:19 pm
ANC
- SJO
1 stop19h 18m
United Airlines
Mon 9/147:55 am
SJO
- ANC
1 stop13h 07m
United Airlines
Deal found 7/23![United Airlines logo]()
$857
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:48 pm
ANC
- SJO
2 stops22h 52m
Multiple Airlines
Sun 10/1112:40 pm
SJO
- ANC
3 stops25h 10m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$974
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1812:34 am
ANC
- LIR
1 stop26h 46m
Alaska Airlines
Mon 12/287:12 pm
LIR
- ANC
2 stops25h 10m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$1,145
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:15 pm
ANC
- LIR
2 stops17h 15m
Delta
Tue 12/291:40 pm
LIR
- ANC
2 stops35h 56m
Delta
Deal found 7/21![Delta logo]()
$1,369
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:59 pm
ANC
- LIR
1 stop12h 54m
United Airlines
Sat 10/2411:49 am
LIR
- ANC
1 stop12h 54m
United Airlines
Deal found 7/24![United Airlines logo]()
$915
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:24 pm
ANC
- LIR
2 stops23h 19m
American Airlines
Sat 10/242:18 pm
LIR
- ANC
2 stops25h 18m
American Airlines
Deal found 7/24![American Airlines logo]()
$969
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:48 pm
ANC
- SJO
3 stops34h 57m
Multiple Airlines
Mon 9/145:45 am
SJO
- ANC
2 stops20h 32m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,015
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1912:34 am
ANC
- LIR
1 stop26h 46m
Alaska Airlines
Mon 12/288:32 am
LIR
- ANC
1 stop19h 26m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$1,145
This deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:40 pm
ANC
- LIR
1 stop13h 28m
United Airlines
Tue 12/2212:50 pm
LIR
- ANC
1 stop14h 32m
United Airlines
Deal found 7/22![United Airlines logo]()
$1,045
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:15 pm
ANC
- LIR
2 stops17h 15m
Delta
Wed 12/301:40 pm
LIR
- ANC
2 stops29h 40m
Delta
Deal found 7/21![Delta logo]()
$1,429
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:15 pm
ANC
- LIR
2 stops17h 15m
Delta
Tue 12/291:40 pm
LIR
- ANC
2 stops35h 56m
Delta
Deal found 7/21![Delta logo]()
$1,669
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:15 pm
ANC
- LIR
2 stops17h 15m
Delta
Wed 12/301:40 pm
LIR
- ANC
2 stops29h 40m
Delta
Deal found 7/21![Delta logo]()
$1,779
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:00 pm
ANC
- LIR
2 stops15h 44m
Multiple Airlines
Sun 1/31:28 pm
LIR
- ANC
2 stops18h 47m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$2,213
Last-minute flights from Alaska to Costa RicaDiscover last-minute flight deals from Alaska to Costa Rica. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Costa Rica. Data last updated July 26, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:08 pm
ANC
- LIR
2 stops33h 29m
Alaska Airlines
Fri 7/319:03 am
LIR
- ANC
1 stop16h 52m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$1,043
This Ovago deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:00 pm
ANC
- LIR
1 stop13h 53m
Multiple Airlines
Fri 7/319:03 am
LIR
- ANC
1 stop16h 52m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,346
This Mytrip deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:48 pm
ANC
- SJO
2 stops22h 27m
Multiple Airlines
Sun 9/275:45 am
SJO
- ANC
2 stops20h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$2,370
This Orbitz deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:48 pm
ANC
- SJO
1 stop19h 01m
Alaska Airlines
Sun 9/277:19 am
SJO
- ANC
1 stop18h 58m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$2,829
One-way flights from Alaska to Costa RicaSearch for one-way flight options from Alaska to Costa Rica. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
Search for one-way flight options from Alaska to Costa Rica. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Air Canada deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:40 pm
ANC
- SJO
2 stops27h 40m
Air Canada
Deal found 7/21![Air Canada logo]()
$334
This Air Canada deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:40 pm
ANC
- SJO
2 stops53h 20m
Air Canada
Deal found 7/25![Air Canada logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:20 pm
ANC
- SJO
1 stop15h 37m
American Airlines
Deal found 7/22![American Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:06 pm
ANC
- SJO
2 stops35h 14m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:02 am
ANC
- SJO
3 stops50h 13m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$398
This Air Canada deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:40 pm
ANC
- SJO
2 stops53h 20m
Air Canada
Deal found 7/23![Air Canada logo]()
$399
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:20 pm
ANC
- SJO
1 stop15h 32m
American Airlines
Deal found 7/21![American Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:45 am
ANC
- SJO
2 stops16h 05m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:20 pm
ANC
- SJO
1 stop15h 37m
American Airlines
Deal found 7/21![American Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:59 pm
ANC
- LIR
2 stops34h 11m
United Airlines
Deal found 7/22![United Airlines logo]()
$879
This AranGrant deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:14 pm
ANC
- LIR
1 stop15h 21m
GOL
Deal found 7/22![GOL logo]()
$1,220
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:15 pm
ANC
- LIR
3 stops27h 45m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,432
Find flight deals from Alaska to Costa Rica
Keep the following information in mind while searching for Alaska to Costa Rica flight deals. Data was last updated July 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $759 (Alaska Airlines) |
One-way from | $334 (Air Canada) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 26, 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
Cheapest round-trip
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Thu 10/1
8:20 pm-8:07 pm
2 stops21h 47m
San José Juan Santamaria Intl
Sun 10/11
3:01 pm-7:17 pm
2 stops30h 16m
$856
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Mon 9/7
10:19 pm-7:37 pm
1 stop19h 18m
San José Juan Santamaria Intl
Mon 9/14
7:55 am-7:02 pm
1 stop13h 07m
$857
Quickest round-trip
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Fri 10/16
8:59 pm-11:53 am
1 stop12h 54m
Liberia
Sat 10/24
11:49 am-10:43 pm
1 stop12h 54m
$915
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Fri 10/16
12:24 pm-1:43 pm
2 stops23h 19m
Liberia
Sat 10/24
2:18 pm-1:36 pm
2 stops25h 18m
$969
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Thu 10/1
10:48 pm-11:40 pm
2 stops22h 52m
San José Juan Santamaria Intl
Sun 10/11
12:40 pm-11:50 am
3 stops25h 10m
$974
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Mon 9/7
10:48 pm-11:45 am
3 stops34h 57m
San José Juan Santamaria Intl
Mon 9/14
5:45 am-12:17 am
2 stops20h 32m
$1,015
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Tue 12/8
11:40 pm-4:08 pm
1 stop13h 28m
Liberia
Tue 12/22
12:50 pm-12:22 am
1 stop14h 32m
$1,045
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Fri 12/18
12:34 am-6:20 am
1 stop26h 46m
Liberia
Mon 12/28
7:12 pm-5:22 pm
2 stops25h 10m
$1,145
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Sat 12/19
12:34 am-6:20 am
1 stop26h 46m
Liberia
Mon 12/28
8:32 am-12:58 am
1 stop19h 26m
$1,145
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Sun 12/20
5:15 pm-1:30 pm
2 stops17h 15m
Liberia
Tue 12/29
1:40 pm-10:36 pm
2 stops35h 56m
$1,369
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Alaska to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Alaska with our price prediction graph.
ANC-SJO
ANC-LIR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Alaska to Costa Rica
USAK-CR0
ANC-SJO
ANC-LIR
No data available for this route at this time. Please check back soon.
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Alternative routes for Alaska to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Alaska to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alaska and Costa Rica flights
Browse other Alaska and Costa Rica flight options. Last updated on July 26, 2026.
Popular flight searches
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Find a return flight route from Costa Rica
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Alaska to Costa Rica flights
Consider these flights traveling from Alaska to Costa Rica.
Top 2 airlines flying from Alaska to Costa Rica
Discover the top 2 airlines that operate flights from Alaska to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$718 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$544 | Average$676 | FlexibilityNo cancel fee | On-time71% |