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$591+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
mié. 12/241:30 amANC - SJU
2 stops18h 06mUnited Airlines
sáb. 1/177:45 amSJU - ANC
2 stops20h 30mUnited Airlines
Deal found 12/11$914
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/251:44 pmANC - SJU
2 stops17h 12mDelta
sáb. 1/176:15 amSJU - ANC
1 stop17h 46mDelta
Deal found 12/11$934
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:15 amFAI - SJU
2 stops18h 07mAmerican Airlines
lun. 12/293:49 pmSJU - FAI
2 stops16h 01mAmerican Airlines
Deal found 12/10$1,125
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mar. 12/1611:59 pmANC - SJU
1 stop13h 26mUnited Airlines
jue. 1/17:45 amSJU - ANC
2 stops21h 40mUnited Airlines
Deal found 12/10$1,249
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/253:50 pmANC - SJU
2 stops18h 09mAlaska Airlines
sáb. 1/177:07 amSJU - ANC
3 stops22h 52mAlaska Airlines
Deal found 12/10$1,592
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
mar. 12/164:20 pmANC - SJU
2 stops24h 05mAlaska Airlines
jue. 1/16:00 amSJU - ANC
3 stops25h 39mAlaska Airlines
Deal found 12/10$1,933
This American Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/191:55 amFAI - SJU
2 stops16h 27mAmerican Airlines
dom. 1/43:58 pmSJU - FAI
2 stops15h 52mAmerican Airlines
Deal found 12/11$3,006

Find 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 diciembre 12, 2025.

Round-trip from

$824
(United Airlines)

One-way from

$591
(Delta)

Popular in

March

Cheapest in

August

Average price

$884
From Alaska to Puerto Rico
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One-way flight from Alaska to Puerto Rico
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Highest demand for flights based on searches. 7% potential increase in price ($75 potential increase over avg. RT price).
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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 December 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 diciembre 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

jue. 3/5

6:00 am-5:00 am

2 stops18h 00m

San Juan Luis Munoz Marin Intl

mar. 3/10

6:33 am-12:03 am

2 stops21h 30m

$824

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

dom. 2/8

11:45 pm-6:25 pm

1 stop13h 40m

San Juan Luis Munoz Marin Intl

jue. 2/12

2:25 pm-11:08 pm

1 stop13h 43m

$824

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

dom. 2/8

11:45 pm-6:25 pm

1 stop13h 40m

San Juan Luis Munoz Marin Intl

vie. 2/13

2:25 pm-11:08 pm

1 stop13h 43m

$824

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

lun. 3/16

5:51 am-4:21 am

2 stops18h 30m

San Juan Luis Munoz Marin Intl

lun. 3/23

11:32 am-1:40 am

2 stops18h 08m

$825

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

lun. 1/5

1:20 am-11:59 pm

2 stops17h 39m

San Juan Luis Munoz Marin Intl

mar. 1/13

3:20 pm-12:48 am

2 stops14h 28m

$844

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

sáb. 2/28

5:00 pm-1:36 pm

2 stops15h 36m

San Juan Luis Munoz Marin Intl

dom. 3/8

6:33 am-6:06 pm

1 stop16h 33m

$849

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

lun. 2/23

11:45 pm-10:22 pm

2 stops17h 37m

San Juan Luis Munoz Marin Intl

jue. 2/26

8:35 am-11:08 pm

2 stops19h 33m

$894

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

dom. 2/22

2:18 am-3:12 pm

2 stops31h 54m

San Juan Luis Munoz Marin Intl

jue. 2/26

6:00 am-2:38 am

2 stops25h 38m

$921

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

lun. 3/16

5:51 am-4:21 am

2 stops18h 30m

San Juan Luis Munoz Marin Intl

dom. 3/22

6:33 am-10:41 pm

2 stops20h 08m

$945

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

dom. 3/15

5:51 am-4:21 am

2 stops18h 30m

San Juan Luis Munoz Marin Intl

dom. 3/22

6:33 am-10:41 pm

2 stops20h 08m

$945

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 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 February is currently the most expensive (average of $828). 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 diciembre 12, 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 40m. Fly via American Airlines, United Airlines, or Delta 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 February is currently the most expensive (average of $828). 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$500Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$596Average$1,078FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$794Average$1,313FlexibilityNo cancel feeOn-time71%

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