$457+ Cheap flights from Alaska to Puerto Rico
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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Nov 20 — Nov 271
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
Cheapest
Best
Last-minute
One-way
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 October 21, 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 October 21, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 11/258:43 pm -
1 stop13h 57m
Sat 12/58:05 am -
2 stops19h 54m
Deal found 10/18![United Airlines logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/1811:45 pm -
1 stop13h 53m
Mon 11/25:50 pm -
2 stops30h 49m
Deal found 10/17![United Airlines logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/411:59 pm -
1 stop13h 26m
Sun 11/88:05 am -
2 stops16h 34m
Deal found 10/19![United Airlines logo]()
$1,142
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/48:14 pm -
1 stop23h 02m
Sun 11/86:19 am -
1 stop17h 50m
Deal found 10/20![American Airlines logo]()
$1,148
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:40 am -
2 stops18h 12m
Sat 11/78:15 am -
1 stop15h 04m
Deal found 10/19![Delta logo]()
$1,172
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/2311:45 pm -
2 stops34h 55m
Mon 10/262:35 pm -
2 stops33h 04m
Deal found 10/21![United Airlines logo]()
$1,193
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:11 pm -
3 stops20h 39m
Sat 12/56:00 am -
3 stops20h 18m
Deal found 10/18![Alaska Airlines logo]()
$1,223
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/155:30 am -
2 stops29h 39m
Sun 11/226:55 pm -
2 stops35h 04m
Deal found 10/16![Alaska Airlines logo]()
$1,454
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 12/103:59 pm -
2 stops27h 10m
Wed 1/67:22 am -
2 stops32h 55m
Deal found 10/16![Alaska Airlines logo]()
$1,569
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Sat 11/282:36 am -
2 stops34h 29m
Mon 12/76:59 pm -
2 stops36h 36m
Deal found 10/20![Alaska Airlines logo]()
$1,597
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/2911:55 am -
2 stops20h 37m
Mon 12/711:34 am -
3 stops17h 47m
Deal found 10/20![American Airlines logo]()
$2,842
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:31 am -
2 stops17h 45m
Sun 11/228:25 am -
3 stops17h 57m
Deal found 10/16![American Airlines logo]()
$10,392
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 October 21, 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 October 21, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 2/38:37 pm -
1 stop14h 03m
Sat 2/138:25 am -
1 stop15h 50m
Deal found 10/20![United Airlines logo]()
$860
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 2/139:55 pm -
1 stop13h 15m
Sat 2/206:15 am -
2 stops21h 21m
Deal found 10/16![Delta logo]()
$995
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 1/313:59 pm -
2 stops25h 41m
Thu 2/47:22 am -
2 stops32h 55m
Deal found 10/20![Alaska Airlines logo]()
$1,429
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 1/319:00 am -
2 stops16h 15m
Thu 2/48:05 am -
2 stops16h 24m
Deal found 10/19![United Airlines logo]()
$915
This deal was found by Cheapflights users on 10/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/288:44 pm -
1 stop13h 56m
Wed 3/108:25 am -
1 stop16h 19m
Deal found 10/16![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 2/139:00 am -
2 stops16h 15m
Sat 2/208:25 am -
1 stop15h 50m
Deal found 10/17![United Airlines logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 11/258:43 pm -
1 stop13h 57m
Sat 12/58:05 am -
2 stops19h 54m
Deal found 10/18![United Airlines logo]()
$1,042
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/155:30 am -
2 stops29h 39m
Sun 11/226:55 pm -
2 stops35h 04m
Deal found 10/16![Alaska Airlines logo]()
$1,454
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 12/103:59 pm -
2 stops27h 10m
Wed 1/67:22 am -
2 stops32h 55m
Deal found 10/16![Alaska Airlines logo]()
$1,569
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Sat 11/282:36 am -
2 stops34h 29m
Mon 12/76:59 pm -
2 stops36h 36m
Deal found 10/20![Alaska Airlines logo]()
$1,597
Last-minute flights from Alaska to Puerto RicoDiscover last-minute flight deals from Alaska to Puerto Rico. Data last updated October 21, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Puerto Rico. Data last updated October 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/2311:45 pm -
2 stops34h 55m
Mon 10/262:35 pm -
2 stops33h 04m
Deal found 10/21![United Airlines logo]()
$1,193
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:40 am -
2 stops18h 12m
Sat 11/78:15 am -
1 stop15h 04m
Deal found 10/19![Delta logo]()
$1,172
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/411:59 pm -
1 stop13h 26m
Sun 11/88:05 am -
2 stops16h 34m
Deal found 10/19![United Airlines logo]()
$1,142
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/48:14 pm -
1 stop23h 02m
Sun 11/86:19 am -
1 stop17h 50m
Deal found 10/20![American Airlines logo]()
$1,148
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:31 am -
2 stops17h 45m
Sun 11/228:25 am -
3 stops17h 57m
Deal found 10/16![American Airlines logo]()
$10,392
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/155:30 am -
2 stops29h 39m
Sun 11/226:55 pm -
2 stops35h 04m
Deal found 10/16![Alaska Airlines logo]()
$1,454
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 11/258:43 pm -
1 stop13h 57m
Sat 12/58:05 am -
2 stops19h 54m
Deal found 10/18![United Airlines logo]()
$1,042
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:11 pm -
3 stops20h 39m
Sat 12/56:00 am -
3 stops20h 18m
Deal found 10/18![Alaska Airlines logo]()
$1,223
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Sat 11/282:36 am -
2 stops34h 29m
Mon 12/76:59 pm -
2 stops36h 36m
Deal found 10/20![Alaska Airlines logo]()
$1,597
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/2911:55 am -
2 stops20h 37m
Mon 12/711:34 am -
3 stops17h 47m
Deal found 10/20![American Airlines logo]()
$2,842
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 October 21, 2026.
Search for one-way flight options from Alaska to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/298:15 pm -
1 stop22h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Mon 12/2811:36 pm -
1 stop13h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$493
This eDestinos deal was found by Cheapflights users on 10/19. 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.
Wed 10/284:06 pm -
3 stops52h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$538
This eDestinos deal was found by Cheapflights users on 10/19. 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.
Thu 11/194:07 pm -
2 stops43h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 10/20. 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.
Tue 12/295:12 pm -
2 stops17h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:59 pm -
3 stops47h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/291:00 pm -
2 stops29h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:59 pm -
3 stops36h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$632
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/104:07 pm -
2 stops26h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$654
This Delta deal was found by Cheapflights users on 10/20. 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 11/71:50 am -
2 stops18h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:17 am -
3 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:31 am -
3 stops56h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$685
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 October 21, 2026.
Round-trip from | $860 (United Airlines) |
|---|---|
One-way from | $457 (American Airlines) |
Popular in | June |
Cheapest in | August |
Average price | $955 |
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 7,457,451 searches. Data last updated October 21, 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 Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Tue 12/29
8:15 pm-11:59 pm
1 stop22h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$457
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Wed 12/2
10:05 pm-5:38 pm
2 stops14h 33m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$457
Quickest round-trip
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Mon 12/28
11:36 pm-6:25 pm
1 stop13h 49m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$493
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Tue 12/29
5:12 pm-3:48 pm
2 stops17h 36m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$572
FairbanksSan Juan
FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Sat 11/7
1:50 am-12:52 am
2 stops18h 02m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$661
FairbanksSan Juan
FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Sat 12/5
1:42 am-11:13 pm
2 stops16h 31m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$661
FairbanksSan Juan
FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Fri 11/6
1:50 am-12:52 am
2 stops18h 02m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$701
FairbanksSan Juan
FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Wed 10/28
1:50 am-11:44 pm
2 stops17h 54m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$701
FairbanksSan Juan
FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Fri 10/30
1:50 am-11:44 pm
2 stops17h 54m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$701
FairbanksSan Juan
FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Fri 12/4
1:42 am-11:13 pm
2 stops16h 31m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$701
Showing 1-10 of 23 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
No data available for this route at this time. Please check back soon.
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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.
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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 October 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$894 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$844 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$902 | Average$1,309 | FlexibilityNo cancel fee | On-time75% |