$408+ Cheap flights from Alaska to Puerto Rico
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Alaska to Puerto Rico 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Puerto Rico
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Cheapest flights from Alaska to Puerto RicoExplore the most affordable flight options available from Alaska to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Alaska to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
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.
Tue 8/259:20 pm
ANC
- SJU
2 stops22h 30m
United Airlines
Sat 9/54:55 pm
SJU
- ANC
2 stops24h 09m
United Airlines
Deal found 7/22![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 8/259:20 pm
ANC
- SJU
1 stop13h 24m
United Airlines
Sun 8/301:00 am
SJU
- ANC
2 stops16h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/2411:09 pm
ANC
- SJU
2 stops35h 35m
United Airlines
Thu 8/274:55 pm
SJU
- ANC
2 stops31h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$818
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:31 am
FAI
- SJU
2 stops17h 45m
American Airlines
Tue 11/174:59 pm
SJU
- FAI
2 stops25h 28m
American Airlines
Deal found 7/20![American Airlines logo]()
$826
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.
Mon 8/241:32 am
ANC
- SJU
2 stops16h 57m
Delta
Sat 9/57:00 am
SJU
- ANC
1 stop16h 00m
Delta
Deal found 7/21![Delta logo]()
$835
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/301:00 am
FAI
- SJU
2 stops18h 50m
United Airlines
Sat 9/52:00 pm
SJU
- FAI
1 stop12h 59m
United Airlines
Deal found 7/20![United Airlines logo]()
$836
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:15 pm
ANC
- SJU
2 stops17h 39m
United Airlines
Wed 8/267:00 am
SJU
- ANC
2 stops16h 35m
United Airlines
Deal found 7/21![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/188:19 pm
ANC
- SJU
1 stop11h 38m
United Airlines
Tue 8/257:00 am
SJU
- ANC
1 stop16h 02m
United Airlines
Deal found 7/19![United Airlines logo]()
$850
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 9/51:00 am
FAI
- SJU
2 stops33h 44m
United Airlines
Thu 9/103:56 pm
SJU
- FAI
1 stop31h 20m
United Airlines
Deal found 7/20![United Airlines logo]()
$851
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 9/252:28 pm
ANC
- SJU
2 stops19h 10m
Delta
Mon 9/287:30 am
SJU
- ANC
2 stops20h 57m
Delta
Deal found 7/21![Delta logo]()
$855
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 10/184:06 pm
FAI
- SJU
2 stops17h 57m
American Airlines
Sat 10/314:17 pm
SJU
- FAI
2 stops26h 10m
American Airlines
Deal found 7/19![American Airlines logo]()
$866
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:31 am
FAI
- SJU
2 stops17h 45m
American Airlines
Mon 11/96:28 am
SJU
- FAI
2 stops24h 23m
American Airlines
Deal found 7/20![American Airlines logo]()
$871
Best flights from Alaska to Puerto RicoDiscover carefully curated flight deals from Alaska to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Alaska to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/3010:19 pm
ANC
- SJU
1 stop13h 23m
United Airlines
Sun 9/61:00 am
SJU
- ANC
2 stops16h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$815
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.
Fri 10/164:06 pm
FAI
- SJU
2 stops19h 17m
American Airlines
Wed 11/186:28 am
SJU
- FAI
2 stops24h 23m
American Airlines
Deal found 7/21![American Airlines logo]()
$826
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:23 pm
ANC
- SJU
2 stops18h 58m
Delta
Mon 11/27:00 am
SJU
- ANC
2 stops18h 26m
Delta
Deal found 7/22![Delta logo]()
$835
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.
Mon 8/2411:09 pm
ANC
- SJU
2 stops35h 35m
United Airlines
Thu 8/274:55 pm
SJU
- ANC
2 stops31h 04m
United Airlines
Deal found 7/22![United Airlines logo]()
$822
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 10/184:06 pm
FAI
- SJU
2 stops17h 57m
American Airlines
Sat 10/314:17 pm
SJU
- FAI
2 stops26h 10m
American Airlines
Deal found 7/19![American Airlines logo]()
$866
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:45 pm
ANC
- SJU
1 stop13h 53m
United Airlines
Mon 9/282:00 pm
SJU
- ANC
1 stop12h 43m
United Airlines
Deal found 7/21![United Airlines logo]()
$835
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/301:00 am
FAI
- SJU
2 stops18h 50m
United Airlines
Sat 9/52:00 pm
SJU
- FAI
1 stop12h 59m
United Airlines
Deal found 7/20![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 9/51:00 am
FAI
- SJU
2 stops33h 44m
United Airlines
Thu 9/103:56 pm
SJU
- FAI
1 stop31h 20m
United Airlines
Deal found 7/20![United Airlines logo]()
$851
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 pm
ANC
- SJU
1 stop14h 44m
United Airlines
Sat 9/53:56 pm
SJU
- ANC
1 stop32h 03m
United Airlines
Deal found 7/21![United Airlines logo]()
$861
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.
Sun 10/188:59 pm
ANC
- SJU
1 stop13h 45m
United Airlines
Thu 10/291:05 am
SJU
- ANC
2 stops22h 10m
United Airlines
Deal found 7/23![United Airlines logo]()
$874
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:59 pm
ANC
- SJU
2 stops22h 51m
United Airlines
Mon 11/22:21 pm
SJU
- ANC
1 stop13h 18m
United Airlines
Deal found 7/21![United Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 8/279:20 pm
ANC
- VQS
2 stops17h 10m
United Airlines
Sun 8/3011:51 am
VQS
- ANC
2 stops29h 13m
United Airlines
Deal found 7/18![United Airlines logo]()
$1,603
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Fri 10/308:44 pm
ANC
- CPX
2 stops16h 37m
United Airlines
Tue 11/310:48 am
CPX
- ANC
2 stops16h 51m
United Airlines
Deal found 7/19![United Airlines logo]()
$2,100
Last-minute flights from Alaska to Puerto RicoDiscover last-minute flight deals from Alaska to Puerto Rico. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Puerto Rico. Data last updated July 24, 2026 and is based on user searches.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:45 pm
FAI
- SJU
1 stop13h 59m
United Airlines
Mon 8/31:40 pm
SJU
- FAI
1 stop13h 19m
United Airlines
Deal found 7/21![United Airlines logo]()
$996
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/188:19 pm
ANC
- SJU
1 stop11h 38m
United Airlines
Tue 8/257:00 am
SJU
- ANC
1 stop16h 02m
United Airlines
Deal found 7/19![United Airlines logo]()
$850
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:15 pm
ANC
- SJU
2 stops17h 39m
United Airlines
Wed 8/267:00 am
SJU
- ANC
2 stops16h 35m
United Airlines
Deal found 7/21![United Airlines logo]()
$844
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:49 pm
FAI
- SJU
2 stops29h 26m
Alaska Airlines
Tue 8/253:44 pm
SJU
- FAI
2 stops38h 04m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$1,431
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/2411:09 pm
ANC
- SJU
2 stops35h 35m
United Airlines
Thu 8/274:55 pm
SJU
- ANC
2 stops31h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$818
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.
Mon 8/241:32 am
ANC
- SJU
2 stops16h 57m
Delta
Sat 9/57:00 am
SJU
- ANC
1 stop16h 00m
Delta
Deal found 7/21![Delta logo]()
$835
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.
Tue 8/259:20 pm
ANC
- SJU
2 stops22h 30m
United Airlines
Sat 9/54:55 pm
SJU
- ANC
2 stops24h 09m
United Airlines
Deal found 7/22![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 8/259:20 pm
ANC
- SJU
1 stop13h 24m
United Airlines
Sun 8/301:00 am
SJU
- ANC
2 stops16h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 8/279:20 pm
ANC
- VQS
2 stops17h 10m
United Airlines
Sun 8/3011:51 am
VQS
- ANC
2 stops29h 13m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,603
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/301:00 am
FAI
- SJU
2 stops18h 50m
United Airlines
Sat 9/52:00 pm
SJU
- FAI
1 stop12h 59m
United Airlines
Deal found 7/20![United Airlines logo]()
$836
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:01 pm
FAI
- SJU
2 stops18h 53m
American Airlines
Sat 9/510:33 am
SJU
- FAI
3 stops19h 15m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,371
One-way flights from Alaska to Puerto RicoSearch for one-way flight options from Alaska to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Alaska to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:47 am
FAI
- SJU
2 stops18h 09m
Delta
Deal found 7/22![Delta logo]()
$408
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.
Fri 11/64:05 pm
FAI
- SJU
2 stops17h 58m
American Airlines
Deal found 7/21![American Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 8/181:00 am
FAI
- SJU
2 stops18h 50m
United Airlines
Deal found 7/20![United Airlines logo]()
$442
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:30 pm
ANC
- SJU
2 stops19h 42m
United Airlines
Deal found 7/21![United Airlines logo]()
$467
This eDestinos deal was found by Cheapflights users on 7/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:52 pm
ANC
- SJU
1 stop14h 26m
Sun Country Air
Deal found 7/19![Sun Country Air logo]()
$489
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:30 pm
ANC
- SJU
2 stops19h 14m
United Airlines
Deal found 7/21![United Airlines logo]()
$512
This eDestinos deal was found by Cheapflights users on 7/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:52 pm
ANC
- SJU
2 stops25h 23m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$620
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 7/301:57 am
ANC
- SJU
2 stops17h 51m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$647
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.
Thu 7/301:57 am
ANC
- SJU
2 stops17h 53m
American Airlines
Deal found 7/23![American Airlines logo]()
$661
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.
Mon 9/142:28 am
ANC
- SJU
3 stops32h 06m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$666
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.
Mon 9/146:17 pm
ANC
- SJU
3 stops40h 17m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$674
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.
Fri 11/612:00 pm
FAI
- SJU
3 stops46h 42m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$769
Find flight deals from Alaska to Puerto Rico
Keep the following information in mind while searching for Alaska to Puerto Rico flight deals. Data was last updated July 24, 2026.
Round-trip from | $812 (United Airlines) |
|---|---|
One-way from | $408 (Delta) |
Popular in | June |
Cheapest in | August |
Average price | $886 |
Cheapflights Fare Finder
Customize your flight search to find flights from Alaska to Puerto Rico 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 24, 2026.
Use the filters below to find and compare flights from Alaska to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Sun 8/30
10:19 pm-3:42 pm
1 stop13h 23m
San Juan Luis Munoz Marin Intl
Sun 9/6
1:00 am-1:04 pm
2 stops16h 04m
$815
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Mon 8/24
11:09 pm-2:44 pm
2 stops35h 35m
San Juan Luis Munoz Marin Intl
Thu 8/27
4:55 pm-7:59 pm
2 stops31h 04m
$822
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Fri 10/16
4:06 pm-3:23 pm
2 stops19h 17m
San Juan Luis Munoz Marin Intl
Wed 11/18
6:28 am-1:51 am
2 stops24h 23m
$826
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Sun 10/18
2:23 pm-1:21 pm
2 stops18h 58m
San Juan Luis Munoz Marin Intl
Mon 11/2
7:00 am-8:26 pm
2 stops18h 26m
$835
Quickest round-trip
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Fri 9/25
11:45 pm-5:38 pm
1 stop13h 53m
San Juan Luis Munoz Marin Intl
Mon 9/28
2:00 pm-10:43 pm
1 stop12h 43m
$835
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Sun 8/30
1:00 am-11:50 pm
2 stops18h 50m
San Juan Luis Munoz Marin Intl
Sat 9/5
2:00 pm-10:59 pm
1 stop12h 59m
$836
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Sat 9/5
1:00 am-2:44 pm
2 stops33h 44m
San Juan Luis Munoz Marin Intl
Thu 9/10
3:56 pm-7:16 pm
1 stop31h 20m
$851
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Tue 8/25
8:00 pm-2:44 pm
1 stop14h 44m
San Juan Luis Munoz Marin Intl
Sat 9/5
3:56 pm-7:59 pm
1 stop32h 03m
$861
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Sun 10/18
4:06 pm-2:03 pm
2 stops17h 57m
San Juan Luis Munoz Marin Intl
Sat 10/31
4:17 pm-2:27 pm
2 stops26h 10m
$866
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Sun 10/18
8:59 pm-2:44 pm
1 stop13h 45m
San Juan Luis Munoz Marin Intl
Thu 10/29
1:05 am-7:15 pm
2 stops22h 10m
$874
Showing 1-10 of 25 resultsSorted by cheapest first
Best time to book a flight from Alaska to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Alaska with our price prediction graph.
FAI-SJU
ANC-SJU
ANC-VQS
ANC-CPX
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Alaska to Puerto Rico
USAK-PR0
FAI-SJU
ANC-SJU
ANC-VQS
ANC-CPX
No data available for this route at this time. Please check back soon.
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Alternative routes for Alaska to Puerto Rico
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Alaska and Puerto Rico flights
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Top 2 airlines flying from Alaska to Puerto Rico
Discover the top 2 airlines that operate flights from Alaska to Puerto Rico. 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$764 | FlexibilityNo cancel fee | On-time69% |