Puerto Rico

$387+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
May 12 — May 191
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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 April 12, 2026.

This United Airlines deal was found by Cheapflights users on 4/9. 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 5/411:59 pm
ANC
-
SJU
1 stop16h 35m
United Airlines
Thu 5/77:40 am
SJU
-
ANC
1 stop16h 26m
United Airlines
Deal found 4/9$749
This Southwest deal was found by Cheapflights users on 4/9. 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 8/1111:15 pm
ANC
-
SJU
2 stops18h 45m
Southwest
Wed 8/198:20 am
SJU
-
ANC
2 stops17h 45m
Southwest
Deal found 4/9$790
This United Airlines deal was found by Cheapflights users on 4/8. 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 11/111:40 pm
ANC
-
SJU
2 stops17h 42m
United Airlines
Thu 11/128:30 am
SJU
-
ANC
2 stops19h 09m
United Airlines
Deal found 4/8$835
This Delta deal was found by Cheapflights users on 4/9. 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 7/18:10 pm
ANC
-
SJU
1 stop11h 34m
Delta
Tue 7/76:00 am
SJU
-
ANC
2 stops20h 26m
Delta
Deal found 4/9$858
This American Airlines deal was found by Cheapflights users on 4/9. 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 9/1310:03 pm
ANC
-
SJU
2 stops16h 07m
American Airlines
Sun 9/207:05 pm
SJU
-
ANC
2 stops28h 03m
American Airlines
Deal found 4/9$895
This Delta deal was found by Cheapflights users on 4/8. 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 5/28:25 pm
ANC
-
SJU
1 stop13h 00m
Delta
Wed 5/67:15 am
SJU
-
ANC
2 stops21h 10m
Delta
Deal found 4/8$945
This Delta deal was found by Cheapflights users on 4/9. 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.
Tue 8/118:30 pm
ANC
-
SJU
1 stop11h 26m
Delta
Wed 8/197:30 am
SJU
-
ANC
1 stop15h 55m
Delta
Deal found 4/9$1,028
This Delta deal was found by Cheapflights users on 4/8. 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 4/231:41 pm
ANC
-
SJU
2 stops19h 11m
Delta
Tue 4/287:15 am
SJU
-
ANC
2 stops21h 10m
Delta
Deal found 4/8$1,035
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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.
Sun 11/12:20 pm
ANC
-
SJU
2 stops19h 49m
Alaska Airlines
Thu 11/126:44 am
SJU
-
ANC
3 stops22h 26m
Alaska Airlines
Deal found 4/8$1,040
This United Airlines deal was found by Cheapflights users on 4/9. 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 6/161:20 am
FAI
-
SJU
2 stops15h 18m
United Airlines
Sun 6/287:20 am
SJU
-
FAI
2 stops43h 39m
United Airlines
Deal found 4/9$1,158
This United Airlines deal was found by Cheapflights users on 4/9. 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 10/2711:40 pm
ANC
-
VQS
2 stops37h 59m
United Airlines
Fri 10/3011:40 am
VQS
-
ANC
2 stops36h 05m
United Airlines
Deal found 4/9$2,074
This United Airlines deal was found by Cheapflights users on 4/7. 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 6/2910:29 pm
ANC
-
CPX
2 stops14h 52m
United Airlines
Fri 7/310:48 am
CPX
-
ANC
2 stops32h 05m
United Airlines
Deal found 4/7$2,078

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 April 12, 2026.

Round-trip from

$749
(United Airlines)

One-way from

$387
(Southwest)

Popular in

June

Cheapest in

August

Average price

$894
From Alaska to Puerto Rico
One-way flight from Alaska to Puerto Rico
Highest demand for flights based on searches. 10% potential increase in price ($109 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 April 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 April 12, 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-11:50 pm

2 stops19h 51m

San Juan Luis Munoz Marin Intl

Wed 5/6

1:00 am-5:01 pm

2 stops20h 01m

$749

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 8/17

11:15 pm-9:05 pm

2 stops17h 50m

San Juan Luis Munoz Marin Intl

Sun 8/23

6:00 am-10:05 pm

2 stops20h 05m

$790
Quickest round-trip

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 7/1

8:10 pm-11:44 am

1 stop11h 34m

San Juan Luis Munoz Marin Intl

Tue 7/7

6:00 am-10:26 pm

2 stops20h 26m

$858

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 5/1

11:49 pm-9:24 pm

2 stops17h 35m

San Juan Luis Munoz Marin Intl

Fri 5/15

7:20 am-8:06 pm

2 stops16h 46m

$1,095

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Tue 6/16

1:20 am-8:38 pm

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Sun 6/28

7:20 am-10:59 pm

2 stops43h 39m

$1,158

AnchorageCulebra

ANC - CPX

ANCCPX

Anchorage

Mon 6/29

10:29 pm-5:21 pm

2 stops14h 52m

Culebra

Fri 7/3

10:48 am-2:53 pm

2 stops32h 05m

$2,078
Cheapest one-way

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 9/4

11:15 pm-6:15 pm

2 stops15h 00m

$387

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sat 9/5

1:15 am-11:50 pm

2 stops18h 35m

$418

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Thu 6/11

1:35 am-11:43 pm

2 stops18h 08m

$428

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 4/29

5:25 pm-10:30 pm

2 stops49h 05m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

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 11h 34m. Fly via United Airlines, Southwest, 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.

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 2 airlines flying from Alaska to Puerto Rico

Discover the top 2 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 April 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$432Average$824FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$496Average$844FlexibilityNo cancel feeOn-time69%

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