$282+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
May 26 — Jun 21
Round-trip
1 adult, Economy
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Find cheap flights from Alaska to Costa Rica with Cheapflights
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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 April 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 April 26, 2026.
This FlightHub deal was found by Cheapflights users on 4/26. 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.
Sun 8/301:30 am
ANC
- SJO
2 stops32h 35m
Aeromexico
Thu 9/108:13 am
SJO
- ANC
2 stops19h 22m
Aeromexico
Deal found 4/26![Aeromexico logo]()
$603
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Sun 10/118:13 am
SJO
- ANC
2 stops19h 32m
Aeromexico
Deal found 4/23![Aeromexico logo]()
$630
This SmartFares deal was found by Cheapflights users on 4/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:30 am
ANC
- SJO
2 stops20h 13m
Aeromexico
Tue 7/77:30 am
SJO
- ANC
2 stops20h 24m
Aeromexico
Deal found 4/26![Aeromexico logo]()
$651
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 10/118:20 pm
ANC
- LIR
1 stop15h 25m
American Airlines
Sat 10/242:10 pm
LIR
- ANC
1 stop30h 58m
American Airlines
Deal found 4/23![American Airlines logo]()
$669
This SmartFares deal was found by Cheapflights users on 4/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:35 am
ANC
- SJO
2 stops19h 59m
Aeromexico
Tue 6/161:17 pm
SJO
- ANC
2 stops38h 38m
Aeromexico
Deal found 4/25![Aeromexico logo]()
$673
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 10/1111:40 pm
ANC
- LIR
2 stops34h 30m
United Airlines
Sat 10/2411:49 am
LIR
- ANC
1 stop12h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$675
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:55 am
ANC
- SJO
2 stops19h 46m
Aeromexico
Mon 6/87:31 am
SJO
- ANC
2 stops20h 24m
Aeromexico
Deal found 4/22![Aeromexico logo]()
$690
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/248:17 pm
ANC
- SJO
1 stop15h 51m
American Airlines
Mon 6/86:00 am
SJO
- ANC
2 stops19h 52m
American Airlines
Deal found 4/22![American Airlines logo]()
$711
This American Airlines deal was found by Cheapflights users on 4/26. 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 8/319:55 pm
ANC
- SJO
2 stops19h 57m
American Airlines
Thu 9/1012:57 pm
SJO
- ANC
1 stop32h 11m
American Airlines
Deal found 4/26![American Airlines logo]()
$716
This SmartFares deal was found by Cheapflights users on 4/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:35 am
ANC
- SJO
2 stops19h 59m
Aeromexico
Thu 6/251:28 pm
SJO
- ANC
3 stops32h 39m
Aeromexico
Deal found 4/25![Aeromexico logo]()
$719
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 6/117:00 am
ANC
- SJO
1 stop13h 42m
American Airlines
Thu 6/2511:59 pm
SJO
- ANC
1 stop21h 09m
American Airlines
Deal found 4/25![American Airlines logo]()
$727
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:13 pm
ANC
- SJO
1 stop22h 20m
Alaska Airlines
Sun 6/712:53 am
SJO
- ANC
1 stop25h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$729
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 April 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 April 26, 2026.
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Sun 10/118:13 am
SJO
- ANC
2 stops19h 32m
Aeromexico
Deal found 4/23![Aeromexico logo]()
$630
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 10/1111:40 pm
ANC
- LIR
2 stops34h 30m
United Airlines
Sat 10/2411:49 am
LIR
- ANC
1 stop12h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$675
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/248:17 pm
ANC
- SJO
1 stop15h 51m
American Airlines
Mon 6/86:00 am
SJO
- ANC
2 stops19h 52m
American Airlines
Deal found 4/22![American Airlines logo]()
$711
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/2411:13 pm
ANC
- SJO
1 stop22h 20m
Alaska Airlines
Sun 6/712:53 am
SJO
- ANC
1 stop25h 42m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$729
This SmartFares deal was found by Cheapflights users on 4/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:35 am
ANC
- SJO
2 stops19h 59m
Aeromexico
Tue 6/161:17 pm
SJO
- ANC
2 stops38h 38m
Aeromexico
Deal found 4/25![Aeromexico logo]()
$673
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/158:45 pm
ANC
- SJO
1 stop13h 10m
United Airlines
Fri 5/228:45 am
SJO
- ANC
1 stop16h 01m
United Airlines
Deal found 4/24![United Airlines logo]()
$749
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:13 pm
ANC
- SJO
1 stop22h 20m
Alaska Airlines
Sat 5/3012:53 am
SJO
- ANC
2 stops25h 53m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$826
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/158:45 pm
ANC
- LIR
1 stop13h 08m
United Airlines
Sat 5/231:20 pm
LIR
- ANC
2 stops23h 50m
United Airlines
Deal found 4/22![United Airlines logo]()
$769
This SmartFares deal was found by Cheapflights users on 4/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:35 am
ANC
- SJO
2 stops32h 35m
Aeromexico
Wed 7/17:30 am
SJO
- ANC
2 stops20h 25m
Aeromexico
Deal found 4/23![Aeromexico logo]()
$776
This United Airlines deal was found by Cheapflights users on 4/22. 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 8/3011:09 pm
ANC
- LIR
2 stops35h 01m
United Airlines
Wed 9/21:20 pm
LIR
- ANC
2 stops31h 54m
United Airlines
Deal found 4/22![United Airlines logo]()
$769
Last-minute flights from Alaska to Costa RicaDiscover last-minute flight deals from Alaska to Costa Rica. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Costa Rica. Data last updated April 26, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:30 am
ANC
- SJO
2 stops20h 11m
Aeromexico
Fri 5/227:30 am
SJO
- ANC
2 stops19h 20m
Aeromexico
Deal found 4/24![Aeromexico logo]()
$774
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/158:45 pm
ANC
- SJO
1 stop13h 10m
United Airlines
Fri 5/228:45 am
SJO
- ANC
1 stop16h 01m
United Airlines
Deal found 4/24![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/158:45 pm
ANC
- LIR
1 stop13h 08m
United Airlines
Sat 5/231:20 pm
LIR
- ANC
2 stops23h 50m
United Airlines
Deal found 4/22![United Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Fri 5/154:10 pm
ANC
- LIR
2 stops19h 00m
Multiple Airlines
Sat 5/232:21 pm
LIR
- ANC
1 stop32h 26m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$945
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:13 pm
ANC
- SJO
2 stops22h 02m
Multiple Airlines
Fri 5/225:45 am
SJO
- ANC
3 stops31h 35m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,219
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:55 am
ANC
- SJO
2 stops19h 46m
Aeromexico
Mon 6/87:31 am
SJO
- ANC
2 stops20h 24m
Aeromexico
Deal found 4/22![Aeromexico logo]()
$690
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/248:17 pm
ANC
- SJO
1 stop15h 51m
American Airlines
Mon 6/86:00 am
SJO
- ANC
2 stops19h 52m
American Airlines
Deal found 4/22![American Airlines logo]()
$711
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:13 pm
ANC
- SJO
1 stop22h 20m
Alaska Airlines
Sun 6/712:53 am
SJO
- ANC
1 stop25h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$729
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:10 pm
ANC
- SJO
2 stops29h 23m
Alaska Airlines
Sat 5/3012:53 am
SJO
- ANC
2 stops24h 47m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$826
This KAYAK deal was found by Cheapflights users on 4/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:29 pm
ANC
- SJO
1 stop11h 52m
Multiple Airlines
Sun 5/318:45 am
SJO
- ANC
1 stop16h 01m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$971
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 April 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 April 26, 2026.
This eDestinos deal was found by Cheapflights users on 4/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:55 am
ANC
- SJO
2 stops19h 46m
Aeromexico
Deal found 4/26![Aeromexico logo]()
$282
This eDestinos deal was found by Cheapflights users on 4/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:30 am
ANC
- SJO
2 stops32h 35m
Aeromexico
Deal found 4/23![Aeromexico logo]()
$283
This eDestinos deal was found by Cheapflights users on 4/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:30 am
ANC
- SJO
2 stops32h 35m
Aeromexico
Deal found 4/22![Aeromexico logo]()
$304
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Wed 9/21:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Deal found 4/22![Aeromexico logo]()
$306
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:13 pm
ANC
- SJO
1 stop22h 20m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 9/1510:03 pm
ANC
- SJO
2 stops18h 27m
American Airlines
Deal found 4/23![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 6/149:50 pm
ANC
- SJO
2 stops19h 33m
American Airlines
Deal found 4/26![American Airlines logo]()
$329
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:55 am
ANC
- SJO
2 stops19h 39m
Aeromexico
Deal found 4/22![Aeromexico logo]()
$331
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:35 am
ANC
- SJO
2 stops19h 59m
Aeromexico
Deal found 4/24![Aeromexico logo]()
$336
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Sun 10/181:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Deal found 4/22![Aeromexico logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:27 am
ANC
- SJO
2 stops16h 22m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/2210:29 pm
ANC
- LIR
1 stop33h 21m
United Airlines
Deal found 4/22![United Airlines logo]()
$398
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 April 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $630 (Justfly.com) |
One-way from | $282 (eDestinos) |
Popular in | November |
Cheapest in | August |
Average price | $671 |
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 April 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
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
$630
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Mon 6/8
1:35 am-11:34 pm
2 stops19h 59m
San José Juan Santamaria Intl
Tue 6/16
1:17 pm-1:55 am
2 stops38h 38m
$673
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Sun 10/11
11:40 pm-12:10 pm
2 stops34h 30m
Liberia
Sat 10/24
11:49 am-10:39 pm
1 stop12h 50m
$675
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sun 5/24
8:17 pm-2:08 pm
1 stop15h 51m
San José Juan Santamaria Intl
Mon 6/8
6:00 am-11:52 pm
2 stops19h 52m
$711
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sun 5/24
11:13 pm-11:33 pm
1 stop22h 20m
San José Juan Santamaria Intl
Sun 6/7
12:53 am-12:35 am
1 stop25h 42m
$729
Quickest round-trip
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Fri 5/15
8:45 pm-11:55 am
1 stop13h 10m
San José Juan Santamaria Intl
Fri 5/22
8:45 am-10:46 pm
1 stop16h 01m
$749
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Fri 5/15
8:45 pm-11:53 am
1 stop13h 08m
Liberia
Sat 5/23
1:20 pm-11:10 am
2 stops23h 50m
$769
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Sun 8/30
11:09 pm-12:10 pm
2 stops35h 01m
Liberia
Wed 9/2
1:20 pm-7:14 pm
2 stops31h 54m
$769
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Fri 6/26
1:35 am-12:10 pm
2 stops32h 35m
San José Juan Santamaria Intl
Wed 7/1
7:30 am-1:55 am
2 stops20h 25m
$776
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sun 5/24
11:13 pm-11:33 pm
1 stop22h 20m
San José Juan Santamaria Intl
Sat 5/30
12:53 am-12:46 am
2 stops25h 53m
$826
Showing 1-10 of 20 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
What is the cheapest month to book a flight from Alaska to Costa Rica?
Currently, August is the cheapest month in which you can book a flight from Alaska to Costa Rica (average of $275). Flying from Alaska to Costa Rica in November is currently the most expensive (average of $912). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Alaska to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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.
Search flights from Alaska to Costa Rica by cabin class
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 April 26, 2026.
Popular flight searches
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Find a return flight route from Costa Rica
Find the right flight back to Alaska after your stay in Costa Rica
Alaska to Costa Rica flights
Consider these flights traveling from Alaska to Costa Rica.
Top 3 airlines flying from Alaska to Costa Rica
Discover the top 3 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 April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$666 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$326 | Average$727 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$676 | FlexibilityNo cancel fee | On-time71% |