Puerto Rico

$418+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Apr 6 — Apr 131
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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 March 7, 2026.

This Southwest deal was found by Cheapflights users on 3/6. 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.
Mon 8/2411:15 pm
ANC
-
SJU
2 stops17h 50m
Southwest
Fri 8/285:00 am
SJU
-
ANC
2 stops21h 05m
Southwest
Deal found 3/6$755
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:20 pm
ANC
-
SJU
2 stops15h 05m
Southwest
Tue 8/186:00 am
SJU
-
ANC
2 stops20h 05m
Southwest
Deal found 3/3$770
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Mon 5/48:45 pm
ANC
-
SJU
2 stops19h 53m
United Airlines
Tue 5/51:00 am
SJU
-
ANC
2 stops20h 01m
United Airlines
Deal found 3/2$784
This United Airlines deal was found by Cheapflights users on 3/3. 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 5/111:49 pm
ANC
-
SJU
2 stops16h 45m
United Airlines
Fri 5/87:20 am
SJU
-
ANC
2 stops16h 46m
United Airlines
Deal found 3/3$795
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/2411:47 pm
ANC
-
SJU
1 stop13h 51m
United Airlines
Thu 5/77:40 am
SJU
-
ANC
2 stops19h 05m
United Airlines
Deal found 3/4$815
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/311:47 pm
ANC
-
SJU
2 stops16h 51m
United Airlines
Fri 4/107:40 am
SJU
-
ANC
2 stops19h 05m
United Airlines
Deal found 3/4$834
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Mon 5/48:55 pm
FAI
-
SJU
2 stops20h 29m
United Airlines
Wed 5/64:55 pm
SJU
-
FAI
2 stops30h 47m
United Airlines
Deal found 3/2$845
This Southwest deal was found by Cheapflights users on 3/4. 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.
Wed 5/2011:55 pm
ANC
-
SJU
2 stops20h 00m
Southwest
Fri 5/295:35 am
SJU
-
ANC
2 stops21h 10m
Southwest
Deal found 3/4$855
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Wed 4/298:30 pm
ANC
-
SJU
1 stop22h 32m
American Airlines
Sun 5/1011:59 pm
SJU
-
ANC
1 stop22h 51m
American Airlines
Deal found 3/2$865
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Sun 10/188:59 pm
ANC
-
SJU
2 stops15h 11m
American Airlines
Sun 11/16:44 am
SJU
-
ANC
1 stop17h 32m
American Airlines
Deal found 3/6$875
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/43:59 pm
FAI
-
SJU
2 stops16h 30m
American Airlines
Mon 5/186:45 am
SJU
-
FAI
2 stops17h 57m
American Airlines
Deal found 3/4$916
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:53 pm
FAI
-
SJU
2 stops18h 27m
American Airlines
Sat 4/257:25 am
SJU
-
FAI
2 stops22h 17m
American Airlines
Deal found 3/3$937

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 March 7, 2026.

Round-trip from

$755
(Southwest)

One-way from

$418
(Delta)

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. 7% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 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 March 7, 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

Mon 5/4

11:59 pm-8:34 pm

1 stop16h 35m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:40 am-8:06 pm

1 stop16h 26m

$784

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 7/21

12:55 am-12:45 am

2 stops19h 50m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:00 am-10:05 pm

2 stops20h 05m

$815
Quickest round-trip

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 4/24

11:47 pm-5:38 pm

1 stop13h 51m

San Juan Luis Munoz Marin Intl

Thu 5/7

7:40 am-10:45 pm

2 stops19h 05m

$815

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 5/4

8:55 pm-9:24 pm

2 stops20h 29m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-7:42 pm

2 stops30h 47m

$845
Cheapest one-way

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Fri 6/12

2:40 pm-1:25 pm

2 stops18h 45m

$418

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 8/2

11:20 pm-9:30 pm

2 stops18h 10m

$437
Quickest one-way

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Fri 6/12

8:55 pm-2:44 pm

1 stop13h 49m

$453

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sat 4/4

10:29 pm-1:29 pm

3 stops59h 00m

$466

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 4/10

3:40 pm-2:15 pm

2 stops18h 35m

$477

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 4/8

8:30 pm-11:02 pm

1 stop22h 32m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 17 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
No data available for this route at this time. Please check back soon.

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 16h 35m. Fly via United Airlines to get the fastest option. The distance between Alaska and Puerto Rico is about 4905 mi.

  • 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.

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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$432Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$448Average$844FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$794Average$904FlexibilityNo cancel feeOn-time71%

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