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$406+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This Delta deal was found by Cheapflights users on 11/26. 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.
Thu 12/255:45 amANC - SJU
2 stops15h 42mDelta
Sat 1/177:30 amSJU - ANC
2 stops18h 14mDelta
Deal found 11/26$829
This Delta deal was found by Cheapflights users on 11/24. 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.
Thu 12/255:45 amANC - SJU
2 stops15h 42mDelta
Thu 1/84:30 pmSJU - ANC
1 stop13h 18mDelta
Deal found 11/24$899
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/241:30 amANC - SJU
1 stop11h 55mUnited Airlines
Sat 1/178:10 amSJU - ANC
2 stops16h 47mUnited Airlines
Deal found 11/24$924
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/1011:59 pmANC - SJU
1 stop13h 26mUnited Airlines
Sun 12/148:30 amSJU - ANC
2 stops19h 26mUnited Airlines
Deal found 11/25$974
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/511:59 pmANC - SJU
1 stop13h 26mUnited Airlines
Sun 12/77:45 amSJU - ANC
2 stops20h 11mUnited Airlines
Deal found 11/24$1,024
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/19:07 pmANC - SJU
1 stop13h 33mUnited Airlines
Sun 12/148:30 amSJU - ANC
2 stops19h 26mUnited Airlines
Deal found 11/25$1,029
This Delta deal was found by Cheapflights users on 11/25. 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.
Sun 11/3012:30 amANC - SJU
2 stops17h 43mDelta
Sun 12/143:10 pmSJU - ANC
2 stops15h 43mDelta
Deal found 11/25$1,039
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Thu 11/2712:06 amFAI - SJU
2 stops15h 52mAmerican Airlines
Sun 12/78:18 amSJU - FAI
2 stops23h 20mAmerican Airlines
Deal found 11/25$1,537
This American Airlines deal was found by Cheapflights users on 11/25. 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 12/2012:15 pmFAI - SJU
2 stops18h 42mAmerican Airlines
Sun 1/43:58 pmSJU - FAI
2 stops15h 52mAmerican Airlines
Deal found 11/25$2,979
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/191:55 amFAI - SJU
2 stops16h 27mMultiple Airlines
Sat 1/31:30 amSJU - FAI
2 stops16h 35mMultiple Airlines
Deal found 11/24$11,066

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 November 26, 2025.

Round-trip from

$824
(American Airlines)

One-way from

$406
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$912
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 26, 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

Thu 12/25

5:45 am-2:27 am

2 stops15h 42m

San Juan Luis Munoz Marin Intl

Sat 1/17

7:30 am-8:44 pm

2 stops18h 14m

$829

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 1/10

1:20 am-11:45 pm

2 stops17h 25m

San Juan Luis Munoz Marin Intl

Thu 1/15

4:30 pm-12:48 am

1 stop13h 18m

$854

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 12/25

5:45 am-2:27 am

2 stops15h 42m

San Juan Luis Munoz Marin Intl

Thu 1/8

4:30 pm-12:48 am

1 stop13h 18m

$899

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sun 2/1

2:10 am-3:00 pm

2 stops31h 50m

San Juan Luis Munoz Marin Intl

Fri 2/6

6:00 am-11:56 pm

2 stops46h 56m

$934

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sat 12/20

12:15 pm-11:57 am

2 stops18h 42m

San Juan Luis Munoz Marin Intl

Sun 1/4

3:58 pm-2:50 am

2 stops15h 52m

$2,979

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Fri 12/19

1:55 am-11:22 pm

2 stops16h 27m

San Juan Luis Munoz Marin Intl

Sat 1/3

1:30 am-1:05 pm

2 stops16h 35m

$11,066

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 4/7

12:00 pm-4:44 pm

3 stops24h 44m

$406

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 5/24

2:20 pm-11:58 am

2 stops17h 38m

$431

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 5/24

10:30 pm-3:42 pm

1 stop13h 12m

$431

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 4/7

9:15 pm-2:20 pm

1 stop13h 05m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 17 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, August is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $441). Flying from Alaska to Puerto Rico in June is currently the most expensive (average of $811). 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 November 26, 2025.

It’s optimal to fly from Alaska to Puerto Rico in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the afternoon.

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 42m. Fly via Delta or Alaska 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.

  • 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, August is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $441). Flying from Alaska to Puerto Rico in June is currently the most expensive (average of $811). 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.
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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$500Average$808FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$744Average$1,012FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$782Average$1,313FlexibilityNo cancel feeOn-time71%

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