$284+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJO
Apr 27 — May 41
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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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 March 28, 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 March 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 5/310:26 am
ANC
- LIR
2 stops17h 54m
Alaska Airlines
Thu 5/711:20 am
LIR
- ANC
2 stops26h 43m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$649
This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:55 am
ANC
- SJO
2 stops19h 46m
Aeromexico
Wed 5/137:30 am
SJO
- ANC
2 stops19h 20m
Aeromexico
Deal found 3/26![Aeromexico logo]()
$669
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/247:24 pm
ANC
- SJO
2 stops26h 09m
Alaska Airlines
Sun 6/712:53 am
SJO
- ANC
2 stops25h 53m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$691
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Mon 4/201:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Tue 4/287:30 am
SJO
- ANC
2 stops18h 55m
Aeromexico
Deal found 3/24![Aeromexico logo]()
$705
This American Airlines deal was found by Cheapflights users on 3/24. 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 5/227:00 am
ANC
- SJO
1 stop13h 42m
American Airlines
Fri 5/296:00 am
SJO
- ANC
2 stops19h 52m
American Airlines
Deal found 3/24![American Airlines logo]()
$706
This Orbitz deal was found by Cheapflights users on 3/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:55 am
ANC
- SJO
2 stops32h 10m
Multiple Airlines
Thu 5/2812:53 am
SJO
- ANC
2 stops34h 58m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$712
This FlightHub deal was found by Cheapflights users on 3/24. 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 5/211:55 am
ANC
- SJO
2 stops19h 46m
Aeromexico
Fri 5/297:30 am
SJO
- ANC
2 stops19h 20m
Aeromexico
Deal found 3/24![Aeromexico logo]()
$731
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com 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 6/81:20 pm
SJO
- ANC
2 stops37h 16m
Aeromexico
Deal found 3/25![Aeromexico logo]()
$735
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/1111:45 pm
ANC
- SJO
1 stop21h 40m
Alaska Airlines
Wed 5/1312:53 am
SJO
- ANC
2 stops24h 27m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$746
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/218:30 pm
ANC
- SJO
2 stops20h 37m
American Airlines
Tue 4/282:08 pm
SJO
- ANC
1 stop30h 42m
American Airlines
Deal found 3/24![American Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:49 pm
ANC
- LIR
2 stops34h 21m
United Airlines
Sat 5/233:27 pm
LIR
- ANC
2 stops21h 43m
United Airlines
Deal found 3/25![United Airlines logo]()
$791
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 March 28, 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 March 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 5/311:15 am
ANC
- LIR
2 stops17h 05m
Alaska Airlines
Thu 5/711:20 am
LIR
- ANC
1 stop15h 15m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$649
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com 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 6/81:20 pm
SJO
- ANC
2 stops37h 16m
Aeromexico
Deal found 3/25![Aeromexico logo]()
$735
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Fri 5/1511:49 pm
ANC
- LIR
2 stops34h 21m
United Airlines
Sat 5/233:27 pm
LIR
- ANC
2 stops21h 43m
United Airlines
Deal found 3/23![United Airlines logo]()
$791
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/218:30 pm
ANC
- SJO
1 stop14h 52m
American Airlines
Tue 4/282:08 pm
SJO
- ANC
1 stop30h 42m
American Airlines
Deal found 3/24![American Airlines logo]()
$803
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/102:26 am
ANC
- SJO
2 stops19h 19m
Alaska Airlines
Wed 5/1312:53 am
SJO
- ANC
2 stops24h 27m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$691
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Mon 4/201:30 am
ANC
- SJO
2 stops32h 35m
Aeromexico
Tue 4/281:20 pm
SJO
- ANC
2 stops37h 05m
Aeromexico
Deal found 3/27![Aeromexico logo]()
$740
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/247:24 pm
ANC
- SJO
2 stops26h 09m
Alaska Airlines
Sun 6/712:53 am
SJO
- ANC
2 stops25h 53m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:09 pm
ANC
- SJO
2 stops21h 30m
United Airlines
Mon 6/88:45 am
SJO
- ANC
1 stop16h 01m
United Airlines
Deal found 3/25![United Airlines logo]()
$801
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/228:30 pm
ANC
- LIR
1 stop15h 10m
American Airlines
Wed 4/292:40 pm
LIR
- ANC
2 stops30h 10m
American Airlines
Deal found 3/28![American Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:47 pm
ANC
- SJO
2 stops17h 50m
United Airlines
Sat 5/26:00 am
SJO
- ANC
2 stops18h 45m
United Airlines
Deal found 3/26![United Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/911:47 pm
ANC
- SJO
2 stops34h 08m
United Airlines
Sat 4/186:00 am
SJO
- ANC
2 stops18h 45m
United Airlines
Deal found 3/28![United Airlines logo]()
$886
Last-minute flights from Alaska to Costa RicaDiscover last-minute flight deals from Alaska to Costa Rica. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Costa Rica. Data last updated March 28, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Mon 4/201:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Tue 4/287:30 am
SJO
- ANC
2 stops18h 55m
Aeromexico
Deal found 3/24![Aeromexico logo]()
$705
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/218:30 pm
ANC
- SJO
2 stops20h 37m
American Airlines
Tue 4/282:08 pm
SJO
- ANC
1 stop30h 42m
American Airlines
Deal found 3/24![American Airlines logo]()
$752
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/228:30 pm
ANC
- LIR
1 stop15h 10m
American Airlines
Wed 4/292:40 pm
LIR
- ANC
2 stops30h 10m
American Airlines
Deal found 3/28![American Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:47 pm
ANC
- SJO
2 stops32h 24m
United Airlines
Wed 4/2911:13 am
SJO
- ANC
2 stops37h 32m
United Airlines
Deal found 3/25![United Airlines logo]()
$814
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:45 pm
ANC
- SJO
1 stop22h 00m
Alaska Airlines
Tue 4/2812:55 am
SJO
- ANC
2 stops36h 16m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$819
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/224:03 pm
ANC
- LIR
2 stops19h 07m
Multiple Airlines
Wed 4/292:40 pm
LIR
- ANC
2 stops30h 10m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$849
This eDestinos deal was found by Cheapflights users on 3/26. 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.
Fri 4/241:30 am
ANC
- SJO
2 stops20h 15m
Aeromexico
Sat 5/21:20 pm
SJO
- ANC
2 stops37h 05m
Aeromexico
Deal found 3/26![Aeromexico logo]()
$784
This flugladen.de deal was found by Cheapflights users on 3/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:27 am
ANC
- SJO
3 stops20h 48m
Multiple Airlines
Sat 5/25:45 am
SJO
- ANC
2 stops20h 50m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:47 pm
ANC
- SJO
2 stops17h 50m
United Airlines
Sat 5/26:00 am
SJO
- ANC
2 stops18h 45m
United Airlines
Deal found 3/26![United Airlines logo]()
$831
This flugladen.de deal was found by Cheapflights users on 3/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:45 pm
ANC
- SJO
1 stop22h 00m
Alaska Airlines
Fri 5/112:55 am
SJO
- ANC
1 stop25h 40m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$833
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 March 28, 2026.
Search for one-way flight options from Alaska to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This eDestinos deal was found by Cheapflights users on 3/28. 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 stops20h 15m
Aeromexico
Deal found 3/28![Aeromexico logo]()
$284
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Tue 5/261:55 am
ANC
- SJO
2 stops19h 46m
Aeromexico
Deal found 3/26![Aeromexico logo]()
$302
This Orbitz deal was found by Cheapflights users on 3/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:24 pm
ANC
- SJO
2 stops26h 09m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 9/1510:03 pm
ANC
- SJO
2 stops18h 27m
American Airlines
Deal found 3/24![American Airlines logo]()
$317
This eDestinos deal was found by Cheapflights users on 3/28. 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.
Fri 8/2112:34 am
ANC
- SJO
1 stop20h 41m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 8/2112:29 am
ANC
- SJO
2 stops17h 01m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$331
This Avianca deal was found by Cheapflights users on 3/27. 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.
Sat 6/65:02 pm
ANC
- SJO
2 stops16h 28m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$346
This Avianca deal was found by Cheapflights users on 3/26. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:13 pm
ANC
- SJO
2 stops22h 02m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$347
This eDestinos deal was found by Cheapflights users on 3/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:15 am
ANC
- SJO
2 stops37h 30m
Aeromexico
Deal found 3/25![Aeromexico logo]()
$352
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 4/411:47 pm
ANC
- LIR
2 stops12h 38m
United Airlines
Deal found 3/24![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 4/58:13 pm
ANC
- LIR
1 stop13h 24m
American Airlines
Deal found 3/24![American Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/18:13 pm
ANC
- LIR
1 stop15h 16m
American Airlines
Deal found 3/24![American Airlines logo]()
$371
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 March 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $649 (Alaska Airlines) |
One-way from | $284 (eDestinos) |
Popular in | November |
Cheapest in | August |
Average price | $722 |
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 March 28, 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
Quickest round-trip
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Sun 5/3
11:15 am-6:20 am
2 stops17h 05m
Liberia
Thu 5/7
11:20 am-12:35 am
1 stop15h 15m
$649
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sun 5/10
2:26 am-11:45 pm
2 stops19h 19m
San José Juan Santamaria Intl
Wed 5/13
12:53 am-11:20 pm
2 stops24h 27m
$691
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sun 5/24
7:24 pm-11:33 pm
2 stops26h 09m
San José Juan Santamaria Intl
Sun 6/7
12:53 am-12:46 am
2 stops25h 53m
$691
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sat 5/23
1:55 am-11:41 pm
2 stops19h 46m
San José Juan Santamaria Intl
Mon 6/8
1:20 pm-12:36 am
2 stops37h 16m
$735
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Mon 4/20
1:30 am-12:05 pm
2 stops32h 35m
San José Juan Santamaria Intl
Tue 4/28
1:20 pm-12:25 am
2 stops37h 05m
$740
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Fri 5/15
11:49 pm-12:10 pm
2 stops34h 21m
Liberia
Sat 5/23
3:27 pm-11:10 am
2 stops21h 43m
$791
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sun 5/24
11:09 pm-10:39 pm
2 stops21h 30m
San José Juan Santamaria Intl
Mon 6/8
8:45 am-10:46 pm
1 stop16h 01m
$801
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Tue 4/21
8:30 pm-1:22 pm
1 stop14h 52m
San José Juan Santamaria Intl
Tue 4/28
2:08 pm-6:50 pm
1 stop30h 42m
$803
AnchorageLiberia
ANC - LIR
ANCLIR
Anchorage
Wed 4/22
8:30 pm-1:40 pm
1 stop15h 10m
Liberia
Wed 4/29
2:40 pm-6:50 pm
2 stops30h 10m
$808
AnchorageSan José
ANC - SJO
ANCSJO
Anchorage
Sat 4/25
11:47 pm-7:37 pm
2 stops17h 50m
San José Juan Santamaria Intl
Sat 5/2
6:00 am-10:45 pm
2 stops18h 45m
$831
Showing 1-10 of 23 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 $285). Flying from Alaska to Costa Rica in February is currently the most expensive (average of $720). 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 March 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$682 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$460 | Average$727 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$676 | FlexibilityNo cancel fee | On-time71% |