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$461+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 20, 2025.

This Delta deal was found by Cheapflights users on 11/17. 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 12/241:44 pmANC - SJU
2 stops19h 30mDelta
Fri 1/94:30 pmSJU - ANC
1 stop13h 18mDelta
Deal found 11/17$879
This Delta deal was found by Cheapflights users on 11/17. 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
Fri 1/94:30 pmSJU - ANC
1 stop13h 18mDelta
Deal found 11/17$899
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/295:45 amFAI - SJU
2 stops18h 15mAmerican Airlines
Sun 1/116:00 amSJU - FAI
2 stops22h 56mAmerican Airlines
Deal found 11/19$905
This Delta deal was found by Cheapflights users on 11/18. 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 12/274:45 pmSJU - ANC
1 stop13h 37mDelta
Deal found 11/18$914
This Delta deal was found by Cheapflights users on 11/18. 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 stops16h 26mDelta
Deal found 11/18$919
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/411:59 pmANC - SJU
2 stops17h 23mUnited Airlines
Mon 12/88:30 amSJU - ANC
2 stops19h 26mUnited Airlines
Deal found 11/19$924
This United Airlines deal was found by Cheapflights users on 11/19. 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
2 stops16h 01mUnited Airlines
Tue 12/97:45 amSJU - ANC
2 stops20h 11mUnited Airlines
Deal found 11/19$944
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/45:55 amFAI - SJU
2 stops18h 24mAmerican Airlines
Tue 12/168:20 amSJU - FAI
2 stops21h 19mAmerican Airlines
Deal found 11/18$945
This Delta deal was found by Cheapflights users on 11/17. 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
Wed 1/77:30 amSJU - ANC
2 stops16h 26mDelta
Deal found 11/17$954
This Delta deal was found by Cheapflights users on 11/17. 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 12/241:44 pmANC - SJU
2 stops19h 30mDelta
Sat 1/106:15 amSJU - ANC
2 stops19h 29mDelta
Deal found 11/17$959
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/2811:59 pmANC - SJU
1 stop13h 26mUnited Airlines
Fri 1/92:25 pmSJU - ANC
1 stop13h 50mUnited Airlines
Deal found 11/17$974
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Fri 12/52:18 amFAI - SJU
2 stops31h 44mAlaska Airlines
Sat 12/136:54 amSJU - FAI
2 stops34h 53mAlaska Airlines
Deal found 11/18$1,036

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 20, 2025.

Round-trip from

$744
(Delta)

One-way from

$461
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$912
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
Search Deals
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 20, 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 1/5

9:15 pm-5:17 pm

2 stops15h 02m

San Juan Luis Munoz Marin Intl

Wed 1/14

7:30 am-8:44 pm

2 stops18h 14m

$799

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 1/11

1:30 pm-1:05 pm

2 stops18h 35m

San Juan Luis Munoz Marin Intl

Thu 1/15

4:30 pm-12:48 am

1 stop13h 18m

$824

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Wed 3/11

2:18 am-7:45 pm

2 stops13h 27m

San Juan Luis Munoz Marin Intl

Fri 3/27

8:25 am-10:41 pm

2 stops18h 16m

$865

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

$895

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 12/29

5:45 am-5:00 am

2 stops18h 15m

San Juan Luis Munoz Marin Intl

Sun 1/11

6:00 am-11:56 pm

2 stops22h 56m

$905

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 12/7

1:10 pm-1:59 pm

2 stops19h 49m

San Juan Luis Munoz Marin Intl

Sat 12/27

4:45 pm-1:22 am

1 stop13h 37m

$914

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

6:15 am-7:01 pm

1 stop17h 46m

$919

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 12/4

11:59 pm-10:22 pm

2 stops17h 23m

San Juan Luis Munoz Marin Intl

Mon 12/8

8:30 am-10:56 pm

2 stops19h 26m

$924

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Thu 12/4

5:55 am-5:19 am

2 stops18h 24m

San Juan Luis Munoz Marin Intl

Tue 12/16

8:20 am-12:39 am

2 stops21h 19m

$945

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Fri 12/5

2:18 am-3:02 pm

2 stops31h 44m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:54 am-12:47 pm

2 stops34h 53m

$1,036

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 16 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 20, 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 13h 27m. Fly via Delta, American Airlines, or Alaska 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, 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 20, 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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