Puerto Rico

$338+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
4월 28 — 5월 51
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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 3월 29, 2026.

This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 8/411:15 pm
ANC
-
SJU
2 stops17h 50m
Southwest
화 8/186:00 am
SJU
-
ANC
2 stops20h 05m
Southwest
Deal found 3/25$790
This Delta deal was found by Cheapflights users on 3/27. 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.
화 9/18:30 pm
ANC
-
SJU
1 stop13h 00m
Delta
목 10/17:30 am
SJU
-
ANC
2 stops18h 52m
Delta
Deal found 3/27$815
This Delta deal was found by Cheapflights users on 3/25. 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.
토 4/251:45 am
FAI
-
SJU
2 stops17h 28m
Delta
화 5/57:30 am
SJU
-
FAI
2 stops21h 10m
Delta
Deal found 3/25$816
This United Airlines deal was found by Cheapflights users on 3/25. 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.
일 4/268:50 pm
ANC
-
SJU
2 stops23h 00m
United Airlines
수 4/291:00 am
SJU
-
ANC
2 stops20h 01m
United Airlines
Deal found 3/25$834
This Southwest deal was found by Cheapflights users on 3/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/211:15 pm
ANC
-
SJU
2 stops19h 35m
Southwest
화 9/86:00 am
SJU
-
ANC
2 stops21h 45m
Southwest
Deal found 3/28$835
This Delta deal was found by Cheapflights users on 3/25. 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.
금 4/241:45 am
FAI
-
SJU
2 stops14h 39m
Delta
수 4/297:15 am
SJU
-
FAI
2 stops21h 25m
Delta
Deal found 3/25$836
This United Airlines deal was found by Cheapflights users on 3/25. 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.
화 8/48:15 pm
ANC
-
SJU
1 stop12h 19m
United Airlines
월 8/171:00 am
SJU
-
ANC
2 stops16h 01m
United Airlines
Deal found 3/25$847
This Delta deal was found by Cheapflights users on 3/25. 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.
금 4/241:45 am
FAI
-
SJU
2 stops17h 27m
Delta
토 5/27:30 am
SJU
-
FAI
2 stops21h 10m
Delta
Deal found 3/25$856
This Delta deal was found by Cheapflights users on 3/26. 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.
수 7/85:20 pm
ANC
-
SJU
2 stops15h 35m
Delta
금 7/242:05 pm
SJU
-
ANC
2 stops15h 24m
Delta
Deal found 3/26$875
This American Airlines deal was found by Cheapflights users on 3/25. 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.
일 6/149:53 pm
ANC
-
SJU
2 stops16h 32m
American Airlines
금 6/195:30 am
SJU
-
ANC
1 stop21h 05m
American Airlines
Deal found 3/25$895
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 7/89:55 pm
ANC
-
SJU
1 stop21h 56m
American Airlines
금 7/245:45 am
SJU
-
ANC
1 stop20h 54m
American Airlines
Deal found 3/26$900
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 5/2711:55 pm
ANC
-
SJU
2 stops19h 30m
Southwest
월 6/15:05 am
SJU
-
ANC
2 stops21h 40m
Southwest
Deal found 3/24$905

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 3월 29, 2026.

Round-trip from

$790
(Southwest)

One-way from

$338
(Priceline)

Popular in

February

Cheapest in

August

Average price

$832
From Alaska to Puerto Rico
One-way flight from Alaska to Puerto Rico
Highest demand for flights based on searches. 9% potential increase in price ($91 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 3월 29, 2026.
Use the filters below to find and compare flights from Alaska to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

화 8/25

3:10 pm-11:57 am

2 stops16h 47m

San Juan Luis Munoz Marin Intl

월 9/28

2:00 pm-10:39 pm

1 stop12h 39m

$815

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

화 9/1

8:30 pm-1:30 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

목 10/1

7:30 am-10:22 pm

2 stops18h 52m

$815
Quickest round-trip

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

화 9/1

8:20 pm-1:45 pm

1 stop13h 25m

San Juan Luis Munoz Marin Intl

목 10/1

2:00 pm-10:39 pm

1 stop12h 39m

$815

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

수 9/9

3:10 pm-11:57 am

2 stops16h 47m

San Juan Luis Munoz Marin Intl

수 10/21

2:00 pm-10:39 pm

1 stop12h 39m

$815

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

토 4/25

1:45 am-11:13 pm

2 stops17h 28m

San Juan Luis Munoz Marin Intl

화 5/5

7:30 am-12:40 am

2 stops21h 10m

$816

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

일 4/26

8:50 pm-11:50 pm

2 stops23h 00m

San Juan Luis Munoz Marin Intl

수 4/29

1:00 am-5:01 pm

2 stops20h 01m

$834

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

일 4/26

1:45 am-8:24 pm

2 stops14h 39m

San Juan Luis Munoz Marin Intl

일 5/3

7:30 am-12:40 am

2 stops21h 10m

$836

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

금 4/24

1:45 am-8:24 pm

2 stops14h 39m

San Juan Luis Munoz Marin Intl

화 5/5

7:15 am-12:40 am

2 stops21h 25m

$836

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

금 4/24

1:45 am-11:59 pm

2 stops18h 14m

San Juan Luis Munoz Marin Intl

토 5/2

7:30 am-12:40 am

2 stops21h 10m

$856

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

월 4/13

1:45 am-11:59 pm

2 stops18h 14m

San Juan Luis Munoz Marin Intl

화 4/21

7:30 am-12:40 am

2 stops21h 10m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 30 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $370). Flying from Alaska to Puerto Rico in January is currently the most expensive (average of $1,006). 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.

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. Fly via 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.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $426. Users have also found prices from $446 and $461 on United Airlines 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, February is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $370). Flying from Alaska to Puerto Rico in January is currently the most expensive (average of $1,006). 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.

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 3월 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$432Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$496Average$914FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$794Average$904FlexibilityNo cancel feeOn-time71%

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