HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$373+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Keep the following information in mind while searching for Alaska to Puerto Rico flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$654
(United Airlines)

One-way from

$373
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$964
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 septiembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/29:07 pmANC - SJU
1 stop18h 53mUnited Airlines
jue. 11/138:10 amSJU - ANC
1 stop16h 49mUnited Airlines
Deal found 9/15$654
This United Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 10/2311:49 pmANC - SJU
2 stops58h 51mUnited Airlines
vie. 10/317:10 amSJU - ANC
2 stops19h 46mUnited Airlines
Deal found 9/16$674
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/19:07 pmANC - SJU
1 stop19h 53mUnited Airlines
jue. 11/135:50 pmSJU - ANC
2 stops31h 09mUnited Airlines
Deal found 9/15$682
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/29:07 pmANC - SJU
1 stop18h 53mUnited Airlines
lun. 11/102:05 amSJU - ANC
2 stops22h 54mUnited Airlines
Deal found 9/15$719
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/411:59 pmANC - SJU
1 stop13h 26mUnited Airlines
jue. 11/138:10 amSJU - ANC
1 stop16h 49mUnited Airlines
Deal found 9/15$744
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/319:07 pmANC - SJU
2 stops20h 15mUnited Airlines
jue. 11/138:10 amSJU - ANC
1 stop16h 49mUnited Airlines
Deal found 9/15$746
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/299:07 pmANC - SJU
3 stops40h 18mUnited Airlines
mar. 11/112:05 amSJU - ANC
2 stops22h 54mUnited Airlines
Deal found 9/14$748
This Delta deal was found by Cheapflights users on 9/14. 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.
mié. 10/2212:30 amANC - SJU
2 stops19h 26mDelta
vie. 10/317:15 amSJU - ANC
2 stops19h 28mDelta
Deal found 9/14$764
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2212:30 amANC - SJU
2 stops19h 26mDelta
lun. 10/271:06 pmSJU - ANC
2 stops16h 53mDelta
Deal found 9/15$784
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2912:15 pmFAI - SJU
2 stops20h 32mAmerican Airlines
mar. 10/287:45 amSJU - FAI
2 stops22h 56mAmerican Airlines
Deal found 9/14$925
This American Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 9/2612:15 pmFAI - SJU
2 stops22h 38mAmerican Airlines
lun. 10/273:10 pmSJU - FAI
2 stops15h 31mAmerican Airlines
Deal found 9/15$971
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/299:04 pmANC - CPX
2 stops15h 47mUnited Airlines
jue. 10/210:13 amCPX - ANC
2 stops16h 29mUnited Airlines
Deal found 9/13$1,184

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 septiembre 16, 2025.
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

sáb. 11/1

9:07 pm-9:00 pm

1 stop19h 53m

San Juan Luis Munoz Marin Intl

mié. 11/12

8:10 am-7:59 pm

1 stop16h 49m

$654

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

mié. 10/29

9:07 pm-8:00 pm

1 stop18h 53m

San Juan Luis Munoz Marin Intl

mar. 11/11

2:05 am-7:59 pm

2 stops22h 54m

$654

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

lun. 11/3

9:07 pm-10:22 pm

2 stops20h 15m

San Juan Luis Munoz Marin Intl

vie. 11/14

8:10 am-10:56 pm

2 stops19h 46m

$654

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

lun. 11/3

9:07 pm-10:22 pm

2 stops20h 15m

San Juan Luis Munoz Marin Intl

mié. 11/12

2:05 am-7:59 pm

2 stops22h 54m

$654

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

jue. 10/23

11:49 pm-2:40 pm

2 stops58h 51m

San Juan Luis Munoz Marin Intl

vie. 10/31

7:10 am-10:56 pm

2 stops19h 46m

$674

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

dom. 11/2

9:07 pm-9:00 pm

1 stop18h 53m

San Juan Luis Munoz Marin Intl

lun. 11/10

2:25 pm-10:56 pm

1 stop13h 31m

$744

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

lun. 2/9

1:40 am-9:55 pm

2 stops15h 15m

San Juan Luis Munoz Marin Intl

mar. 2/24

2:30 pm-1:50 am

2 stops16h 20m

$865

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

lun. 9/29

12:15 pm-12:47 pm

2 stops20h 32m

San Juan Luis Munoz Marin Intl

mar. 10/28

7:45 am-2:41 am

2 stops22h 56m

$925

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

lun. 9/29

10:00 am-12:47 pm

2 stops22h 47m

San Juan Luis Munoz Marin Intl

mié. 10/29

7:45 am-2:41 am

2 stops22h 56m

$925

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

vie. 9/26

12:15 pm-2:53 pm

2 stops22h 38m

San Juan Luis Munoz Marin Intl

lun. 10/27

3:10 pm-2:41 am

2 stops15h 31m

$971

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
1
2
3

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, September is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $254). Flying from Alaska to Puerto Rico in June is currently the most expensive (average of $339). 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.

What is the cheapest time of day to fly from AK to PR?

Find hourly flight availability from Alaska to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

When flying from Alaska to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 15m. Fly via United Airlines or American Airlines to get the fastest option. The distance between Alaska and Puerto Rico is about 4827 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, September is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $254). Flying from Alaska to Puerto Rico in June is currently the most expensive (average of $339). 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.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
John F Kennedy Intl to Santiago de los Caballeros flights
Newark to Santiago de los Caballeros flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
John F Kennedy Intl to Montego Bay flights
Dulles Intl to Luis Munoz Marin Intl flights
Newark to Oranjestad flights
Boston to Luis Munoz Marin Intl flights
Orlando to Luis Munoz Marin Intl flights
John F Kennedy Intl to Oranjestad flights
Baltimore to Luis Munoz Marin Intl flights
Newark to Punta Cana flights
Newark to Santo Domingo flights
Atlanta to Luis Munoz Marin Intl flights
O'Hare Intl to Luis Munoz Marin Intl flights
Newark to Montego Bay flights
Reagan-National to Luis Munoz Marin Intl flights
Boston to Oranjestad flights
Philadelphia to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Port of Spain flights
Newark to Simpson Bay flights
John F Kennedy Intl to Kingston flights
Hartford to Luis Munoz Marin Intl flights
Atlanta to Montego Bay flights
Hobby to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Boston to Punta Cana flights
LaGuardia to Montego Bay flights
Tampa to Luis Munoz Marin Intl flights
LaGuardia to Santo Domingo flights
John F Kennedy Intl to Simpson Bay flights
LaGuardia to Oranjestad flights
Newark to Saint Thomas Island flights
Raleigh to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Newark to Nassau flights
John F Kennedy Intl to Nassau flights
John F Kennedy Intl to Saint Thomas Island flights
Minneapolis to Luis Munoz Marin Intl flights
LaGuardia to Santiago de los Caballeros flights
O'Hare Intl to Montego Bay flights
Miami to Luis Munoz Marin Intl flights
O'Hare Intl to Punta Cana flights
Atlanta to Punta Cana flights

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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$500Average$1,056FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$994FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$782Average$964FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.