Puerto Rico

$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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Mar 24 — Mar 311
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Cheap flight deals from Alaska to Puerto Rico

Cheapest flights from Alaska to Puerto Rico
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 February 22, 2026.

This United Airlines deal was found by Cheapflights users on 2/22. 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 12/111:40 pm
ANC
-
SJU
2 stops17h 42m
United Airlines
Thu 12/108:10 am
SJU
-
ANC
2 stops19h 29m
United Airlines
Deal found 2/22$775
This Delta deal was found by Cheapflights users on 2/22. 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 5/28:25 pm
ANC
-
SJU
1 stop15h 58m
Delta
Thu 5/76:15 am
SJU
-
ANC
2 stops20h 00m
Delta
Deal found 2/22$795
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 5/48:55 pm
FAI
-
SJU
2 stops20h 29m
United Airlines
Wed 5/64:55 pm
SJU
-
FAI
2 stops30h 47m
United Airlines
Deal found 2/19$805
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 5/48:45 pm
ANC
-
SJU
1 stop19h 49m
United Airlines
Tue 5/51:00 am
SJU
-
ANC
2 stops20h 01m
United Airlines
Deal found 2/19$826
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 10/248:30 pm
ANC
-
SJU
1 stop12h 51m
Delta
Sat 10/317:30 am
SJU
-
ANC
1 stop16h 04m
Delta
Deal found 2/19$835
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/158:30 pm
ANC
-
SJU
2 stops14h 22m
American Airlines
Mon 4/2011:59 pm
SJU
-
ANC
1 stop22h 51m
American Airlines
Deal found 2/20$855
This Delta deal was found by Cheapflights users on 2/20. 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 4/188:25 pm
ANC
-
SJU
1 stop13h 00m
Delta
Sun 5/36:15 am
SJU
-
ANC
2 stops18h 31m
Delta
Deal found 2/20$860
This United Airlines deal was found by Cheapflights users on 2/21. 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 5/58:45 pm
ANC
-
SJU
1 stop19h 49m
United Airlines
Thu 5/71:00 am
SJU
-
ANC
2 stops20h 01m
United Airlines
Deal found 2/21$888
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/1812:29 am
ANC
-
SJU
2 stops16h 05m
American Airlines
Tue 3/241:30 am
SJU
-
ANC
1 stop21h 36m
American Airlines
Deal found 2/19$895
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:13 pm
ANC
-
SJU
1 stop13h 58m
American Airlines
Sat 4/41:30 am
SJU
-
ANC
1 stop21h 36m
American Airlines
Deal found 2/22$920
This American Airlines deal was found by Cheapflights users on 2/19. 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 8/1612:09 pm
FAI
-
SJU
2 stops22h 16m
American Airlines
Wed 8/193:50 pm
SJU
-
FAI
2 stops14h 48m
American Airlines
Deal found 2/19$936
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:51 am
FAI
-
SJU
2 stops18h 33m
American Airlines
Wed 3/47:33 am
SJU
-
FAI
2 stops19h 42m
American Airlines
Deal found 2/18$1,036

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 February 22, 2026.

Round-trip from

$775
(Delta)

One-way from

$408
(Delta)

Popular in

February

Cheapest in

August

Average price

$1,093
From Alaska to Puerto Rico
One-way flight from Alaska to Puerto Rico
Highest demand for flights based on searches. 9% potential increase in price ($92 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 22, 2026.
Use the filters below to find and compare flights from Alaska to Puerto Rico that are best for you.

Fly from

Alaska

Fly to

Puerto Rico

Route

Depart

Return

Price

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 5/2

8:25 pm-4:23 pm

1 stop15h 58m

San Juan Luis Munoz Marin Intl

Thu 5/7

6:15 am-10:15 pm

2 stops20h 00m

$795

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 5/4

8:55 pm-9:24 pm

2 stops20h 29m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-7:42 pm

2 stops30h 47m

$825

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 5/4

8:45 pm-8:34 pm

1 stop19h 49m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:40 am-8:06 pm

1 stop16h 26m

$826

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 4/15

8:30 pm-11:02 pm

1 stop22h 32m

San Juan Luis Munoz Marin Intl

Mon 4/20

6:45 am-6:50 pm

1 stop16h 05m

$855

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 4/18

9:15 pm-8:24 pm

2 stops19h 09m

San Juan Luis Munoz Marin Intl

Sun 5/3

6:15 am-8:46 pm

2 stops18h 31m

$880

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 5/5

8:45 pm-9:24 pm

2 stops20h 39m

San Juan Luis Munoz Marin Intl

Fri 5/8

7:40 am-5:01 pm

1 stop13h 21m

$888

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 3/19

1:20 pm-12:54 pm

2 stops19h 34m

San Juan Luis Munoz Marin Intl

Mon 3/23

7:30 am-12:29 am

2 stops20h 59m

$925

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sun 8/16

12:09 pm-2:25 pm

2 stops22h 16m

San Juan Luis Munoz Marin Intl

Wed 8/19

3:50 pm-2:38 am

2 stops14h 48m

$936

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Fri 6/12

2:40 pm-3:08 pm

2 stops20h 28m

$408

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Fri 6/12

8:55 pm-2:44 pm

1 stop13h 49m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
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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.
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

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.
  • How long is the flight from Alaska to Puerto Rico?

    There are many flights that can get you from Alaska to Puerto Rico in 15h 58m. Fly via Delta or United Airlines to get the fastest option. The distance between Alaska and Puerto Rico is about 4905 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Alaska to Puerto Rico one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $365. Users have also found prices from $426 and $451 on Delta and United Airlines, respectively.

  • Can I find deals for flights from Alaska to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Alaska to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Alaska to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to Puerto Rico.

  • Can I find deals for business class flights from Alaska to Puerto Rico?

    Yes. Cheapflights offers flight deals from Alaska to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Browse thousands of different 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.

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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$432Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$448Average$914FlexibilityNo cancel feeOn-time69%

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