$290+ Cheap flights from Alaska to Costa Rica
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Oct 22 — Oct 291
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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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 September 22, 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 September 22, 2026.
This American Airlines deal was found by Cheapflights users on 9/19. 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 11/38:14 pm -
1 stop14h 32m
Tue 11/103:54 pm -
2 stops30h 15m
Deal found 9/19![American Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 12/3011:55 pm -
2 stops15h 42m
Fri 1/81:00 pm -
1 stop12h 39m
Deal found 9/17![United Airlines logo]()
$840
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/18:14 pm -
1 stop14h 32m
Sun 11/82:46 pm -
1 stop31h 23m
Deal found 9/17![American Airlines logo]()
$909
This American Airlines deal was found by Cheapflights users on 9/18. 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 11/78:14 pm -
1 stop14h 32m
Sun 11/152:46 pm -
1 stop31h 23m
Deal found 9/18![American Airlines logo]()
$913
This Ovago deal was found by Cheapflights users on 9/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:23 pm -
2 stops20h 55m
Wed 11/43:17 pm -
2 stops33h 20m
Deal found 9/21![Multiple Airlines logo]()
$925
This American Airlines deal was found by Cheapflights users on 9/19. 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 11/310:02 am -
2 stops25h 15m
Tue 11/101:33 pm -
2 stops26h 57m
Deal found 9/19![Multiple Airlines logo]()
$931
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/142:23 pm -
2 stops20h 55m
Wed 11/43:17 pm -
2 stops24h 51m
Deal found 9/18![American Airlines logo]()
$945
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:47 am -
3 stops23h 48m
Sat 11/71:46 am -
2 stops22h 59m
Deal found 9/17![Multiple Airlines logo]()
$947
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Tue 11/311:59 pm -
1 stop13h 11m
Tue 11/101:00 pm -
1 stop12h 56m
Deal found 9/19![United Airlines logo]()
$981
This American Airlines deal was found by Cheapflights users on 9/19. 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 9/298:20 pm -
2 stops21h 47m
Sat 10/173:01 pm -
2 stops30h 16m
Deal found 9/19![American Airlines logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 11/711:59 pm -
2 stops32h 26m
Sun 11/156:40 am -
2 stops19h 16m
Deal found 9/18![United Airlines logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/111:59 pm -
2 stops41h 40m
Sun 11/87:30 am -
1 stop18h 26m
Deal found 9/17![United Airlines logo]()
$1,047
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 September 22, 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 September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/288:40 pm -
1 stop13h 16m
Wed 2/102:06 pm -
1 stop32h 09m
Deal found 9/21![United Airlines logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 1/3111:12 pm -
1 stop18h 19m
Wed 2/38:33 am -
1 stop17h 15m
Deal found 9/17![Alaska Airlines logo]()
$703
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/18:14 pm -
1 stop14h 32m
Sun 11/82:46 pm -
1 stop31h 23m
Deal found 9/17![American Airlines logo]()
$909
This Ovago deal was found by Cheapflights users on 9/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:23 pm -
2 stops20h 55m
Wed 11/43:17 pm -
2 stops33h 20m
Deal found 9/21![Multiple Airlines logo]()
$925
This Priceline deal was found by Cheapflights users on 9/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/284:00 pm -
2 stops25h 31m
Wed 2/108:33 am -
2 stops31h 57m
Deal found 9/21![Alaska Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Tue 2/99:00 am -
2 stops25h 22m
Mon 2/221:25 pm -
1 stop32h 50m
Deal found 9/19![United Airlines logo]()
$947
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 2/2812:34 am -
1 stop20h 23m
Tue 3/21:45 am -
2 stops20h 25m
Deal found 9/17![Alaska Airlines logo]()
$873
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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.
Mon 2/811:12 pm -
1 stop21h 13m
Mon 2/221:45 am -
1 stop25h 26m
Deal found 9/19![Alaska Airlines logo]()
$958
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 2/411:12 pm -
1 stop21h 13m
Mon 2/221:45 am -
1 stop25h 26m
Deal found 9/19![Alaska Airlines logo]()
$966
This Priceline deal was found by Cheapflights users on 9/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:17 am -
3 stops29h 13m
Sun 10/117:30 am -
2 stops19h 15m
Deal found 9/20![Multiple Airlines logo]()
$1,335
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/146:33 pm -
3 stops71h 51m
Wed 11/410:00 am -
3 stops26h 07m
Deal found 9/22![Alaska Airlines logo]()
$1,171
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/146:33 pm -
3 stops16h 45m
Wed 11/41:33 pm -
2 stops26h 35m
Deal found 9/21![American Airlines logo]()
$2,955
Last-minute flights from Alaska to Costa RicaDiscover last-minute flight deals from Alaska to Costa Rica. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Costa Rica. Data last updated September 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/20. 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 9/262:30 pm -
2 stops19h 24m
Sun 10/41:19 pm -
2 stops26h 13m
Deal found 9/20![Delta logo]()
$1,173
This FlightHub deal was found by Cheapflights users on 9/20. 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 9/265:30 am -
3 stops25h 00m
Sun 10/47:45 am -
2 stops19h 52m
Deal found 9/20![Multiple Airlines logo]()
$1,271
This American Airlines deal was found by Cheapflights users on 9/19. 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 9/286:07 am -
2 stops29h 11m
Sun 10/182:18 pm -
2 stops23h 03m
Deal found 9/19![Multiple Airlines logo]()
$1,122
This Orbitz deal was found by Cheapflights users on 9/19. 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.
Mon 9/281:32 am -
2 stops32h 38m
Sat 10/1712:40 pm -
3 stops49h 10m
Deal found 9/19![Multiple Airlines logo]()
$1,248
This American Airlines deal was found by Cheapflights users on 9/19. 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 9/298:20 pm -
2 stops21h 47m
Sat 10/173:01 pm -
2 stops30h 16m
Deal found 9/19![American Airlines logo]()
$1,011
This Priceline deal was found by Cheapflights users on 9/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:30 pm -
2 stops29h 30m
Sun 10/47:30 am -
2 stops32h 02m
Deal found 9/20![Aeromexico logo]()
$1,247
This FlightHub deal was found by Cheapflights users on 9/20. 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 9/308:30 am -
3 stops46h 00m
Sun 10/47:45 am -
2 stops19h 52m
Deal found 9/20![Multiple Airlines logo]()
$1,298
This Avianca deal was found by Cheapflights users on 9/19. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:48 pm -
2 stops22h 27m
Sun 10/113:10 pm -
2 stops22h 40m
Deal found 9/19![Multiple Airlines logo]()
$1,137
This Orbitz deal was found by Cheapflights users on 9/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:32 am -
2 stops32h 33m
Sun 7/412:45 am -
2 stops24h 35m
Deal found 9/21![Multiple Airlines logo]()
$1,275
This Ovago deal was found by Cheapflights users on 9/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:23 pm -
2 stops20h 55m
Wed 11/43:17 pm -
2 stops33h 20m
Deal found 9/21![Multiple Airlines logo]()
$925
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/142:23 pm -
2 stops20h 55m
Wed 11/43:17 pm -
2 stops24h 51m
Deal found 9/18![American Airlines logo]()
$945
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/146:33 pm -
3 stops71h 51m
Wed 11/410:00 am -
3 stops26h 07m
Deal found 9/22![Alaska Airlines logo]()
$1,171
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 September 22, 2026.
Search for one-way flight options from Alaska to Costa Rica. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Wed 10/2111:45 pm -
2 stops34h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Sun 1/174:00 pm -
2 stops25h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Alaska Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/11:48 am -
3 stops52h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 11/45:28 pm -
2 stops26h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/612:37 am -
2 stops20h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/48:14 pm -
2 stops21h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Mon 11/212:37 am -
3 stops31h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$540
This FlightHub deal was found by Cheapflights users on 9/17. 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 11/45:47 am -
3 stops23h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/112:10 pm -
3 stops24h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Wed 10/212:39 pm -
3 stops37h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 11/55:28 pm -
3 stops36h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$602
This FlightHub deal was found by Cheapflights users on 9/20. 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 9/302:30 pm -
2 stops29h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Aeromexico logo]()
$625
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 September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $665 (United Airlines) |
One-way from | $290 (United Airlines) |
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 7,457,451 searches. Data last updated September 22, 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
AnchorageLiberia
ANC Anchorage - LIR Liberia
ANCLIR
Anchorage
Wed 10/21
11:45 pm-12:10 pm
2 stops34h 25m
Liberia
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$290
AnchorageLiberia
ANC Anchorage - LIR Liberia
ANCLIR
Anchorage
Sun 1/17
11:12 pm-8:31 pm
1 stop18h 19m
Liberia
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$335
AnchorageSan José
ANC Anchorage - SJO San José Juan Santamaria Intl
ANCSJO
Anchorage
Sun 11/1
1:48 am-8:55 am
3 stops52h 07m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$503
AnchorageSan José
ANC Anchorage - SJO San José Juan Santamaria Intl
ANCSJO
Anchorage
Wed 11/4
5:28 pm-11:05 pm
2 stops26h 37m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$507
Quickest round-trip
AnchorageSan José
ANC Anchorage - SJO San José Juan Santamaria Intl
ANCSJO
Anchorage
Wed 11/4
8:14 pm-1:46 pm
1 stop14h 32m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$531
AnchorageSan José
ANC Anchorage - SJO San José Juan Santamaria Intl
ANCSJO
Anchorage
Wed 11/4
5:47 am-8:35 am
3 stops23h 48m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$573
AnchorageSan José
ANC Anchorage - SJO San José Juan Santamaria Intl
ANCSJO
Anchorage
Sat 11/7
11:46 pm-1:25 am
3 stops46h 39m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$577
AnchorageSan José
ANC Anchorage - SJO San José Juan Santamaria Intl
ANCSJO
Anchorage
Sun 11/1
12:10 pm-3:11 pm
3 stops24h 01m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$579
AnchorageLiberia
ANC Anchorage - LIR Liberia
ANCLIR
Anchorage
Wed 10/21
2:39 pm-6:25 am
3 stops37h 46m
Liberia
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$587
FairbanksSan José
FAI Fairbanks - SJO San José Juan Santamaria Intl
FAISJO
Fairbanks
Wed 9/30
2:30 pm-10:00 pm
2 stops29h 30m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$625
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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-LIR
ANC-SJO
FAI-SJO
JNU-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-LIR
ANC-SJO
FAI-SJO
JNU-LIR
No data available for this route at this time. Please check back soon.
Related info for your journey
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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
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Alaska and Costa Rica flights
Browse other Alaska and Costa Rica flight options. Last updated on September 22, 2026.
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Alaska to Costa Rica flights
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Top airline flying from Alaska to Costa Rica
Discover the top airline 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 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$800 | FlexibilityNo cancel fee | On-time75% |