HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$363+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$764
(Delta)

One-way from

$363
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$1,112
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 8/3012:42 amANC - SJU
2 stops17h 25mDelta
Sun 9/77:30 amSJU - ANC
1 stop15h 29mDelta
Deal found 6/10$764
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/11:20 pmANC - SJU
3 stops25h 59mMultiple Airlines
Sun 7/68:24 pmSJU - ANC
3 stops27h 24mMultiple Airlines
Deal found 6/10$808
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2611:59 pmANC - SJU
2 stops19h 58mUnited Airlines
Mon 6/301:40 pmSJU - ANC
1 stop12h 54mUnited Airlines
Deal found 6/11$820
This American Airlines deal was found by Cheapflights users on 6/9. 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 12/91:40 amFAI - SJU
2 stops14h 05mAmerican Airlines
Wed 12/249:30 amSJU - FAI
2 stops21h 20mAmerican Airlines
Deal found 6/9$905
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/1911:15 pmFAI - SJU
2 stops17h 23mUnited Airlines
Wed 6/257:45 amSJU - FAI
2 stops15h 56mUnited Airlines
Deal found 6/10$925
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 12/61:50 amANC - SJU
2 stops14h 05mAmerican Airlines
Sat 12/275:40 amSJU - ANC
2 stops18h 04mAmerican Airlines
Deal found 6/11$1,209
This Delta deal was found by Cheapflights users on 6/9. 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 12/81:30 amFAI - SJU
2 stops17h 20mDelta
Sat 12/201:05 pmSJU - FAI
2 stops16h 12mDelta
Deal found 6/9$1,286
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 6/3012:55 amANC - SJU
2 stops16h 35mAlaska Airlines
Sat 7/512:59 amSJU - ANC
2 stops23h 36mAlaska Airlines
Deal found 6/10$1,499
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/242:09 amFAI - SJU
2 stops41h 16mAlaska Airlines
Sat 6/286:15 amSJU - FAI
2 stops22h 14mAlaska Airlines
Deal found 6/11$1,915

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 June 12, 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

Sat 8/30

12:42 am-10:07 pm

2 stops17h 25m

San Juan Luis Munoz Marin Intl

Sun 9/7

7:30 am-6:59 pm

1 stop15h 29m

$764

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 7/1

1:20 pm-7:19 pm

3 stops25h 59m

San Juan Luis Munoz Marin Intl

Sun 7/6

8:24 pm-7:48 pm

3 stops27h 24m

$808

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 6/26

11:59 pm-11:57 pm

2 stops19h 58m

San Juan Luis Munoz Marin Intl

Mon 6/30

1:40 pm-10:34 pm

1 stop12h 54m

$820

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Thu 6/19

11:15 pm-8:38 pm

2 stops17h 23m

San Juan Luis Munoz Marin Intl

Wed 6/25

7:45 am-7:41 pm

2 stops15h 56m

$925

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 12/6

2:30 am-8:55 pm

2 stops13h 25m

San Juan Luis Munoz Marin Intl

Sat 12/27

7:15 am-6:44 pm

2 stops16h 29m

$1,209

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 6/30

12:55 am-9:30 pm

2 stops16h 35m

San Juan Luis Munoz Marin Intl

Sat 7/5

12:59 am-8:35 pm

2 stops23h 36m

$1,499

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Tue 6/24

2:09 am-11:25 pm

2 stops41h 16m

San Juan Luis Munoz Marin Intl

Sat 6/28

6:15 am-12:29 am

2 stops22h 14m

$1,915

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Tue 6/24

1:49 am-7:53 pm

2 stops14h 04m

San Juan Luis Munoz Marin Intl

Sun 6/29

7:30 am-12:49 am

2 stops21h 19m

$1,950

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 8/25

1:25 pm-3:51 pm

3 stops46h 26m

$363

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Wed 6/25

11:15 pm-5:30 pm

1 stop14h 15m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
1
2

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 June 12, 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Alaska to Puerto Rico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you 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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $418. Users have also found prices from $431 and $470 on Delta and American 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, 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.
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santiago de los Caballeros flights
John F Kennedy Intl to Santo Domingo flights
Orlando to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
LaGuardia to Luis Munoz Marin Intl flights
Newark to Santiago de los Caballeros flights
John F Kennedy Intl to Montego Bay flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Newark to Santo Domingo flights
Philadelphia to Luis Munoz Marin Intl flights
O'Hare Intl to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
Newark to Punta Cana flights
Boston to Luis Munoz Marin Intl flights
John F Kennedy Intl to Oranjestad flights
Baltimore to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Newark to Montego Bay flights
Newark to Oranjestad flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
Raleigh to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Simpson Bay flights
Atlanta to Montego Bay flights
John F Kennedy Intl to Nassau flights
John F Kennedy Intl to Kingston flights
George Bush Intcntl to Luis Munoz Marin Intl flights
LaGuardia to Montego Bay flights
Dulles Intl to Punta Cana flights
Newark to Nassau flights
Boston to Oranjestad flights
Dallas/Fort Worth to Punta Cana flights
Newark to Simpson Bay flights
LaGuardia to Oranjestad flights
LaGuardia to Santo Domingo flights
Newark to Providenciales flights
Atlanta to Punta Cana flights
O'Hare Intl to Punta Cana flights
LaGuardia to Santiago de los Caballeros flights
Los Angeles to Luis Munoz Marin Intl flights
Dulles Intl to Montego Bay flights
John F Kennedy Intl to Bridgetown flights
Dallas/Fort Worth to Castries 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$500Average$1,143FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$732Average$1,007FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$782Average$1,100FlexibilityNo 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.