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Puerto Rico

$392+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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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 15, 2026.

This Sun Country Air deal was found by Cheapflights users on 2/13. 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 6/268:52 pm
ANC
-
SJU
1 stop14h 26m
Sun Country Air
Sat 7/44:20 pm
SJU
-
ANC
1 stop31h 28m
Sun Country Air
Deal found 2/13$755
This Delta deal was found by Cheapflights users on 2/12. 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 4/69:15 pm
ANC
-
SJU
1 stop13h 00m
Delta
Tue 4/147:30 am
SJU
-
ANC
2 stops15h 16m
Delta
Deal found 2/12$775
This United Airlines deal was found by Cheapflights users on 2/12. 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
2 stops20h 39m
United Airlines
Wed 5/64:55 pm
SJU
-
ANC
2 stops28h 06m
United Airlines
Deal found 2/12$804
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/12$805
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/179:10 pm
ANC
-
SJU
1 stop13h 30m
United Airlines
Tue 3/317:20 am
SJU
-
ANC
2 stops16h 35m
United Airlines
Deal found 2/12$825
This United Airlines deal was found by Cheapflights users on 2/12. 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 4/711:47 pm
ANC
-
SJU
2 stops16h 47m
United Airlines
Tue 4/141:00 am
SJU
-
ANC
2 stops22h 55m
United Airlines
Deal found 2/12$842
This United Airlines deal was found by Cheapflights users on 2/12. 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 5/1611:49 pm
ANC
-
SJU
2 stops16h 45m
United Airlines
Thu 5/211:40 pm
SJU
-
ANC
1 stop14h 19m
United Airlines
Deal found 2/12$847
This American Airlines deal was found by Cheapflights users on 2/11. 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 5/259:52 pm
ANC
-
SJU
1 stop22h 23m
American Airlines
Sat 5/3012:59 am
SJU
-
ANC
1 stop23h 48m
American Airlines
Deal found 2/11$850
This American Airlines deal was found by Cheapflights users on 2/13. 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 4/78:30 pm
ANC
-
SJU
1 stop14h 12m
American Airlines
Tue 4/146:45 am
SJU
-
ANC
1 stop16h 05m
American Airlines
Deal found 2/13$855
This Delta deal was found by Cheapflights users on 2/13. 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 4/189:15 pm
ANC
-
SJU
2 stops15h 08m
Delta
Sun 5/36:15 am
SJU
-
ANC
2 stops18h 22m
Delta
Deal found 2/13$860
This United Airlines deal was found by Cheapflights users on 2/12. 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 4/68:50 pm
ANC
-
SJU
1 stop13h 54m
United Airlines
Wed 4/157:40 am
SJU
-
ANC
1 stop16h 15m
United Airlines
Deal found 2/12$873
This United Airlines deal was found by Cheapflights users on 2/12. 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 5/238:55 pm
FAI
-
SJU
1 stop13h 49m
United Airlines
Mon 6/87:20 am
SJU
-
FAI
2 stops19h 39m
United Airlines
Deal found 2/12$928

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 15, 2026.

Round-trip from

$775
(Delta)

One-way from

$392
(Alaska Airlines)

Popular in

March

Cheapest in

August

Average price

$1,093
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 15, 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

Mon 5/4

9:00 pm-9:24 pm

2 stops20h 24m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-5:01 pm

2 stops28h 06m

$804

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

$805

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/17

9:10 pm-2:40 pm

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Tue 3/31

7:20 am-7:55 pm

2 stops16h 35m

$825

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 4/18

8:30 pm-11:02 pm

1 stop22h 32m

San Juan Luis Munoz Marin Intl

Sun 5/3

6:45 am-6:50 pm

1 stop16h 05m

$875

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sat 5/23

8:55 pm-2:44 pm

1 stop13h 49m

San Juan Luis Munoz Marin Intl

Mon 6/8

7:20 am-10:59 pm

2 stops19h 39m

$928

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/31

5:00 am-5:28 am

3 stops20h 28m

$392

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Thu 6/11

1:15 am-5:38 pm

1 stop12h 23m

$408

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/16

1:29 am-5:28 am

3 stops23h 59m

$410

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/17

1:20 pm-12:54 pm

2 stops19h 34m

$447

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/31

11:47 pm-8:34 pm

2 stops16h 47m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 13 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 20h 24m. Fly via United Airlines to get the fastest option. The distance between Alaska and Puerto Rico is about 4905 mi.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alaska to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
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John F Kennedy Intl to Oranjestad flights
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Newark to Punta Cana flights
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Newark to Santo Domingo flights
John F Kennedy Intl to Montego Bay flights
Raleigh to Luis Munoz Marin Intl flights
Boston to Oranjestad flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Simpson Bay flights
Newark to Nassau flights
John F Kennedy Intl to Nassau flights
Minneapolis to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
Detroit to Luis Munoz Marin Intl flights
Newark to Montego Bay flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Newark to Simpson Bay flights
Miami to Luis Munoz Marin Intl flights
Boston to Punta Cana flights
LaGuardia to Nassau flights
Midway to Luis Munoz Marin Intl flights
LaGuardia to Oranjestad flights
Providence to Luis Munoz Marin Intl flights
Atlanta to Punta Cana flights
Denver to Luis Munoz Marin Intl flights
John F Kennedy Intl to Saint Thomas Island flights
John F Kennedy Intl to Providenciales flights
John F Kennedy Intl to Bridgetown flights
John F Kennedy Intl to Kingston flights
Charlotte to Luis Munoz Marin Intl flights
LaGuardia to Santo Domingo flights

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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$432Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$448Average$854FlexibilityNo cancel feeOn-time69%

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