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$431+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 2025.

This Delta deal was found by Cheapflights users on 11/3. 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 12/612:30 amANC - SJU
2 stops17h 50mDelta
Sat 12/276:30 amSJU - ANC
1 stop17h 27mDelta
Deal found 11/3$899
This Delta deal was found by Cheapflights users on 11/3. 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 1/177:00 amSJU - ANC
2 stops16h 58mDelta
Deal found 11/3$919
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/1811:59 pmANC - SJU
2 stops16h 01mUnited Airlines
Sat 11/228:30 amSJU - ANC
2 stops19h 26mUnited Airlines
Deal found 11/3$969
This Delta deal was found by Cheapflights users on 11/3. 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 11/1712:30 amANC - SJU
2 stops18h 26mDelta
Sat 11/227:00 amSJU - ANC
1 stop17h 34mDelta
Deal found 11/3$979
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/512:38 amANC - SJU
2 stops15h 47mAmerican Airlines
Fri 12/261:30 amSJU - ANC
1 stop22h 28mAmerican Airlines
Deal found 11/2$994
This Delta deal was found by Cheapflights users on 11/2. 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.
Fri 12/512:30 amANC - SJU
2 stops18h 29mDelta
Fri 12/263:45 amSJU - ANC
2 stops20h 04mDelta
Deal found 11/2$1,053
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/711:59 pmANC - SJU
1 stop13h 26mUnited Airlines
Sat 12/278:10 amSJU - ANC
1 stop16h 35mUnited Airlines
Deal found 11/3$1,054
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/189:00 pmANC - SJU
1 stop13h 40mUnited Airlines
Thu 1/88:10 amSJU - ANC
2 stops20h 05mUnited Airlines
Deal found 11/2$1,178
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/2811:59 pmANC - SJU
1 stop13h 26mUnited Airlines
Sun 11/307:45 amSJU - ANC
2 stops44h 11mUnited Airlines
Deal found 11/3$1,324
This United Airlines deal was found by Cheapflights users on 11/3. 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 1/172:25 pmSJU - ANC
1 stop13h 50mUnited Airlines
Deal found 11/3$1,357
This eDestinos deal was found by Cheapflights users on 11/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:09 pmFAI - SJU
3 stops44h 52mMultiple Airlines
Sun 1/46:48 pmSJU - FAI
3 stops35h 27mMultiple Airlines
Deal found 11/3$1,546
This Delta deal was found by Cheapflights users on 11/2. 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.
Wed 11/261:30 amFAI - SJU
2 stops17h 26mDelta
Mon 12/17:00 amSJU - FAI
2 stops22h 23mDelta
Deal found 11/2$1,575

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 3, 2025.

Round-trip from

$744
(Delta)

One-way from

$431
(Delta)

Popular in

December

Cheapest in

August

Average price

$900
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 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 3, 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

Mon 3/23

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Tue 4/14

6:15 am-8:20 pm

2 stops18h 05m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

11:55 pm-5:25 pm

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Mon 4/13

7:45 am-10:39 pm

2 stops18h 54m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 3/22

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Wed 4/8

6:15 am-8:30 pm

2 stops18h 15m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

1:30 am-10:18 pm

2 stops16h 48m

San Juan Luis Munoz Marin Intl

Tue 4/14

6:15 am-12:54 am

2 stops22h 39m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 3/22

3:50 pm-12:07 pm

2 stops16h 17m

San Juan Luis Munoz Marin Intl

Tue 4/14

6:15 am-12:23 am

2 stops22h 08m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 3/22

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Thu 4/9

6:15 am-8:30 pm

2 stops18h 15m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Wed 4/15

6:15 am-12:23 am

2 stops22h 08m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Tue 4/7

6:15 am-8:30 pm

2 stops18h 15m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

1:15 pm-12:07 pm

2 stops18h 52m

San Juan Luis Munoz Marin Intl

Sat 4/4

6:15 am-7:14 pm

1 stop16h 59m

$764

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/24

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Thu 4/9

6:15 am-8:30 pm

2 stops18h 15m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 23 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 3, 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 12h 25m. Fly via Delta, United Airlines, or American 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

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.
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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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$500Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$994FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$784Average$955FlexibilityNo cancel feeOn-time71%

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