$338+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Apr 18 — Apr 251
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
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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 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 March 19, 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 March 19, 2026.
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 6/27:00 am
ANC
- SJU
1 stop12h 39m
American Airlines
Tue 7/215:45 am
SJU
- ANC
1 stop16h 45m
American Airlines
Deal found 3/17![American Airlines logo]()
$675
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 4/1712:59 am
ANC
- SJU
2 stops18h 03m
American Airlines
Sun 5/311:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/17![American Airlines logo]()
$710
This Southwest deal was found by Cheapflights users on 3/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:15 pm
ANC
- SJU
2 stops16h 50m
Southwest
Sun 9/66:00 am
SJU
- ANC
2 stops20h 05m
Southwest
Deal found 3/15![Southwest logo]()
$775
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:15 pm
ANC
- SJU
2 stops18h 45m
Southwest
Tue 8/1810:30 am
SJU
- ANC
2 stops15h 35m
Southwest
Deal found 3/18![Southwest logo]()
$790
This American Airlines deal was found by Cheapflights users on 3/17. 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 5/319:53 pm
ANC
- SJU
2 stops20h 52m
American Airlines
Sun 7/195:45 am
SJU
- ANC
2 stops22h 14m
American Airlines
Deal found 3/17![American Airlines logo]()
$795
This American Airlines deal was found by Cheapflights users on 3/17. 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 6/39:53 pm
ANC
- SJU
2 stops16h 32m
American Airlines
Wed 7/2211:54 am
SJU
- ANC
2 stops14h 45m
American Airlines
Deal found 3/17![American Airlines logo]()
$800
This United Airlines deal was found by Cheapflights users on 3/18. 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 10/111:40 pm
ANC
- SJU
1 stop13h 50m
United Airlines
Wed 10/77:00 am
SJU
- ANC
2 stops19h 39m
United Airlines
Deal found 3/18![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 3/16. 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 5/411:59 pm
ANC
- SJU
1 stop16h 35m
United Airlines
Thu 5/77:40 am
SJU
- ANC
1 stop16h 26m
United Airlines
Deal found 3/16![United Airlines logo]()
$826
This American Airlines deal was found by Cheapflights users on 3/17. 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 5/3111:42 pm
ANC
- SJU
2 stops19h 57m
American Airlines
Sat 7/1811:54 am
SJU
- ANC
2 stops14h 45m
American Airlines
Deal found 3/17![American Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 3/17. 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 6/37:00 am
ANC
- SJU
1 stop12h 39m
American Airlines
Sat 7/186:00 am
SJU
- ANC
2 stops18h 48m
American Airlines
Deal found 3/17![American Airlines logo]()
$835
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 8/48:15 pm
ANC
- SJU
1 stop12h 19m
United Airlines
Mon 8/171:00 am
SJU
- ANC
2 stops18h 04m
United Airlines
Deal found 3/18![United Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/1611:47 pm
ANC
- SJU
1 stop13h 51m
United Airlines
Sat 4/257:40 am
SJU
- ANC
2 stops19h 05m
United Airlines
Deal found 3/16![United Airlines logo]()
$855
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 March 19, 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 March 19, 2026.
This United Airlines deal was found by Cheapflights users on 3/16. 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 5/411:59 pm
ANC
- SJU
2 stops19h 51m
United Airlines
Wed 5/61:00 am
SJU
- ANC
2 stops20h 01m
United Airlines
Deal found 3/16![United Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 3/16. 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 6/710:00 pm
ANC
- SJU
1 stop11h 25m
Delta
Tue 6/236:15 am
SJU
- ANC
2 stops21h 16m
Delta
Deal found 3/16![Delta logo]()
$835
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:20 pm
ANC
- SJU
2 stops20h 20m
Southwest
Mon 6/226:30 am
SJU
- ANC
2 stops19h 40m
Southwest
Deal found 3/16![Southwest logo]()
$895
This American Airlines deal was found by Cheapflights users on 3/15. 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 4/131:20 am
FAI
- SJU
2 stops17h 42m
American Airlines
Tue 4/217:25 am
SJU
- FAI
2 stops22h 19m
American Airlines
Deal found 3/15![American Airlines logo]()
$936
This Delta deal was found by Cheapflights users on 3/14. 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.
Wed 6/35:22 pm
ANC
- SJU
2 stops14h 39m
Delta
Fri 6/192:35 pm
SJU
- ANC
2 stops15h 00m
Delta
Deal found 3/14![Delta logo]()
$875
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/1811:47 pm
ANC
- SJU
2 stops34h 57m
United Airlines
Sat 5/21:00 am
SJU
- ANC
2 stops20h 01m
United Airlines
Deal found 3/16![United Airlines logo]()
$884
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
ANC
- SJU
1 stop16h 05m
Delta
Sat 9/54:22 pm
SJU
- ANC
1 stop12h 11m
Delta
Deal found 3/18![Delta logo]()
$930
This United Airlines deal was found by Cheapflights users on 3/18. 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 9/51:15 am
FAI
- SJU
2 stops18h 35m
United Airlines
Wed 9/94:55 pm
SJU
- FAI
2 stops30h 21m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,033
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:22 pm
ANC
- SJU
2 stops15h 58m
Delta
Sun 7/192:35 pm
SJU
- ANC
2 stops15h 00m
Delta
Deal found 3/17![Delta logo]()
$940
Last-minute flights from Alaska to Puerto RicoDiscover last-minute flight deals from Alaska to Puerto Rico. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Puerto Rico. Data last updated March 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 4/13:53 pm
FAI
- SJU
2 stops18h 16m
Alaska Airlines
Sun 4/56:33 am
SJU
- FAI
2 stops34h 11m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$2,098
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/71:20 am
FAI
- SJU
2 stops17h 42m
American Airlines
Sat 4/186:45 am
SJU
- FAI
2 stops19h 04m
American Airlines
Deal found 3/17![American Airlines logo]()
$1,280
This American Airlines deal was found by Cheapflights users on 3/15. 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 4/131:20 am
FAI
- SJU
2 stops17h 42m
American Airlines
Tue 4/217:25 am
SJU
- FAI
2 stops22h 19m
American Airlines
Deal found 3/15![American Airlines logo]()
$936
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/158:30 pm
ANC
- SJU
1 stop22h 32m
American Airlines
Mon 4/2011:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/17![American Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/1611:47 pm
ANC
- SJU
1 stop13h 51m
United Airlines
Sat 4/257:40 am
SJU
- ANC
2 stops19h 05m
United Airlines
Deal found 3/16![United Airlines logo]()
$855
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 4/171:47 am
ANC
- SJU
2 stops17h 15m
American Airlines
Sun 5/311:59 pm
SJU
- ANC
2 stops21h 28m
American Airlines
Deal found 3/17![American Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/188:50 pm
ANC
- SJU
1 stop19h 44m
United Airlines
Sat 5/21:00 am
SJU
- ANC
2 stops23h 06m
United Airlines
Deal found 3/16![United Airlines logo]()
$858
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:25 pm
ANC
- SJU
1 stop15h 58m
Delta
Sun 5/36:15 am
SJU
- ANC
2 stops18h 31m
Delta
Deal found 3/18![Delta logo]()
$920
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:45 pm
ANC
- SJU
2 stops20h 46m
Delta
Sun 5/36:15 am
SJU
- ANC
2 stops18h 31m
Delta
Deal found 3/17![Delta logo]()
$865
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/218:30 pm
ANC
- SJU
1 stop22h 32m
American Airlines
Sun 5/311:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/17![American Airlines logo]()
$935
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 March 19, 2026.
Search for one-way flight options from Alaska to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 6/128:00 am
FAI
- SJU
2 stops16h 25m
American Airlines
Deal found 3/17![American Airlines logo]()
$338
This eDestinos deal was found by Cheapflights users on 3/15. 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.
Wed 4/157:25 pm
ANC
- SJU
3 stops38h 41m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:20 pm
ANC
- SJU
2 stops20h 55m
Southwest
Deal found 3/18![Southwest logo]()
$387
This Sun Country Air deal was found by Cheapflights users on 3/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:52 pm
ANC
- SJU
1 stop14h 26m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$391
This Southwest deal was found by Cheapflights users on 3/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:55 am
ANC
- SJU
2 stops20h 25m
Southwest
Deal found 3/15![Southwest logo]()
$402
This Sun Country Air deal was found by Cheapflights users on 3/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:52 pm
ANC
- SJU
1 stop14h 26m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$408
This Sun Country Air deal was found by Cheapflights users on 3/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:22 pm
ANC
- SJU
1 stop21h 56m
Sun Country Air
Deal found 3/16![Sun Country Air logo]()
$412
This WAYA deal was found by Cheapflights users on 3/16. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:21 pm
ANC
- SJU
1 stop12h 38m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:22 pm
ANC
- SJU
3 stops54h 00m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/78:50 pm
ANC
- SJU
2 stops20h 34m
United Airlines
Deal found 3/16![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:05 pm
FAI
- SJU
1 stop13h 03m
Delta
Deal found 3/17![Delta logo]()
$438
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:25 pm
ANC
- SJU
2 stops18h 50m
Southwest
Deal found 3/18![Southwest logo]()
$447
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 March 19, 2026.
Round-trip from | $675 (American Airlines) |
|---|---|
One-way from | $338 (American Airlines) |
Popular in | February |
Cheapest in | August |
Average price | $832 |
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 March 19, 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
Mon 5/4
11:59 pm-11:50 pm
2 stops19h 51m
San Juan Luis Munoz Marin Intl
Wed 5/6
1:00 am-5:01 pm
2 stops20h 01m
$826
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Sun 6/7
10:00 pm-1:25 pm
1 stop11h 25m
San Juan Luis Munoz Marin Intl
Tue 6/23
6:15 am-11:31 pm
2 stops21h 16m
$835
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Wed 6/3
5:22 pm-12:01 pm
2 stops14h 39m
San Juan Luis Munoz Marin Intl
Fri 6/19
2:35 pm-1:35 am
2 stops15h 00m
$875
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Sat 4/18
11:47 pm-2:44 pm
2 stops34h 57m
San Juan Luis Munoz Marin Intl
Sat 5/2
1:00 am-5:01 pm
2 stops20h 01m
$884
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Fri 6/5
11:20 pm-11:40 pm
2 stops20h 20m
San Juan Luis Munoz Marin Intl
Mon 6/22
6:30 am-10:10 pm
2 stops19h 40m
$895
Quickest round-trip
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Tue 9/1
8:30 pm-4:35 pm
1 stop16h 05m
San Juan Luis Munoz Marin Intl
Sat 9/5
4:22 pm-12:33 am
1 stop12h 11m
$930
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Mon 4/13
1:20 am-11:02 pm
2 stops17h 42m
San Juan Luis Munoz Marin Intl
Tue 4/21
7:25 am-1:44 am
2 stops22h 19m
$936
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Mon 6/1
5:22 pm-1:20 pm
2 stops15h 58m
San Juan Luis Munoz Marin Intl
Sun 7/19
2:35 pm-1:35 am
2 stops15h 00m
$940
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Sat 9/5
1:15 am-11:50 pm
2 stops18h 35m
San Juan Luis Munoz Marin Intl
Wed 9/9
4:55 pm-7:16 pm
2 stops30h 21m
$1,033
Cheapest one-way
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Fri 6/12
8:00 am-4:25 am
2 stops16h 25m
$338
Showing 1-10 of 18 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.
ANC-SJU
FAI-SJU
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 Puerto Rico
USAK-PR0
ANC-SJU
FAI-SJU
What is the cheapest month to book a flight from Alaska to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $370). Flying from Alaska to Puerto Rico in January is currently the most expensive (average of $1,006). 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 Puerto Rico. 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 Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Alaska to Puerto Rico by cabin class
Find flights from Alaska to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alaska and Puerto Rico flights
Browse other Alaska and Puerto Rico flight options. Last updated on March 19, 2026.
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Alaska to Puerto Rico flights
Consider these flights traveling from Alaska to Puerto Rico.
Top 3 airlines flying from Alaska to Puerto Rico
Discover the top 3 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 March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$448 | Average$844 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$794 | Average$904 | FlexibilityNo cancel fee | On-time71% |