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$393+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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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 enero 8, 2026.

Round-trip from

$785
(United Airlines)

One-way from

$393
(United Airlines)

Popular in

March

Cheapest in

August
From Alaska to Puerto Rico
Search Deals
One-way flight from Alaska to Puerto Rico
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Highest demand for flights based on searches. 2% potential increase in price ($28 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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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 enero 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/2311:45 pmANC - SJU
2 stops16h 15mUnited Airlines
lun. 3/27:40 amSJU - ANC
2 stops17h 06mUnited Airlines
Deal found 1/6$745
This United Airlines deal was found by Cheapflights users on 1/8. 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.
sáb. 2/711:45 pmANC - SJU
2 stops17h 37mUnited Airlines
sáb. 2/142:25 pmSJU - ANC
1 stop13h 43mUnited Airlines
Deal found 1/8$785
This United Airlines deal was found by Cheapflights users on 1/8. 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.
mié. 4/159:04 pmANC - SJU
1 stop13h 40mUnited Airlines
lun. 4/207:40 amSJU - ANC
2 stops19h 05mUnited Airlines
Deal found 1/8$809
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/19:15 pmANC - SJU
1 stop13h 03mDelta
jue. 3/57:30 amSJU - ANC
2 stops21h 39mDelta
Deal found 1/6$825
This American Airlines deal was found by Cheapflights users on 1/6. 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.
mié. 5/138:30 pmANC - SJU
1 stop22h 31mAmerican Airlines
jue. 5/2112:59 amSJU - ANC
1 stop23h 45mAmerican Airlines
Deal found 1/6$838
This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/221:25 amANC - SJU
2 stops17h 06mAmerican Airlines
lun. 3/27:33 amSJU - ANC
2 stops20h 31mAmerican Airlines
Deal found 1/8$845
This United Airlines deal was found by Cheapflights users on 1/7. 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.
lun. 5/48:55 pmANC - SJU
1 stop19h 39mUnited Airlines
mar. 5/51:00 amSJU - ANC
2 stops19h 45mUnited Airlines
Deal found 1/7$866
This Delta deal was found by Cheapflights users on 1/8. 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.
mar. 3/101:34 amANC - SJU
2 stops18h 25mDelta
mar. 3/177:30 amSJU - ANC
2 stops20h 59mDelta
Deal found 1/8$880
This American Airlines deal was found by Cheapflights users on 1/6. 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.
mié. 3/258:13 pmANC - SJU
2 stops16h 58mAmerican Airlines
dom. 3/296:00 amSJU - ANC
2 stops17h 06mAmerican Airlines
Deal found 1/6$885
This United Airlines deal was found by Cheapflights users on 1/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/111:45 pmANC - SJU
1 stop13h 40mUnited Airlines
jue. 3/58:30 amSJU - ANC
1 stop16h 31mUnited Airlines
Deal found 1/6$887
This American Airlines deal was found by Cheapflights users on 1/6. 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.
mar. 1/202:10 amFAI - SJU
2 stops15h 16mAmerican Airlines
dom. 1/257:07 amSJU - FAI
2 stops21h 49mAmerican Airlines
Deal found 1/6$986
This Alaska Airlines deal was found by Cheapflights users on 1/5. 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.
dom. 1/112:10 amFAI - SJU
2 stops32h 08mAlaska Airlines
vie. 1/164:28 pmSJU - FAI
2 stops36h 28mAlaska Airlines
Deal found 1/5$1,860

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 enero 8, 2026.
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

lun. 2/23

11:45 pm-6:25 pm

1 stop13h 40m

San Juan Luis Munoz Marin Intl

lun. 3/2

7:40 am-7:46 pm

2 stops17h 06m

$745

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

sáb. 2/7

11:45 pm-9:26 pm

2 stops16h 41m

San Juan Luis Munoz Marin Intl

sáb. 2/14

10:15 am-11:08 pm

2 stops17h 53m

$785

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

mié. 4/15

9:04 pm-2:44 pm

1 stop13h 40m

San Juan Luis Munoz Marin Intl

lun. 4/20

7:40 am-10:45 pm

2 stops19h 05m

$809

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

mié. 5/13

8:30 pm-6:06 pm

2 stops17h 36m

San Juan Luis Munoz Marin Intl

jue. 5/21

12:59 am-8:44 pm

1 stop23h 45m

$825

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

sáb. 2/28

1:20 am-11:59 pm

2 stops17h 39m

San Juan Luis Munoz Marin Intl

jue. 3/5

7:30 am-12:09 am

2 stops21h 39m

$825

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

mié. 4/15

8:30 pm-2:42 pm

1 stop14h 12m

San Juan Luis Munoz Marin Intl

lun. 4/20

11:59 pm-6:50 pm

1 stop22h 51m

$825

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

mié. 5/13

6:00 am-4:32 am

2 stops18h 32m

San Juan Luis Munoz Marin Intl

mié. 5/20

11:59 pm-7:07 pm

1 stop23h 08m

$838

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

mar. 1/20

2:10 am-10:26 pm

2 stops15h 16m

San Juan Luis Munoz Marin Intl

dom. 1/25

7:07 am-11:56 pm

2 stops21h 49m

$986

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

sáb. 6/13

8:45 pm-2:44 pm

1 stop13h 59m

$393

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

dom. 3/1

3:59 pm-9:54 am

3 stops36h 55m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 21 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
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 13h 40m. Fly via United Airlines or American Airlines 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.
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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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$496Average$1,078FlexibilityNo cancel feeOn-time69%
DeltaCheapest$500Average$824FlexibilityNo cancel feeOn-timeN/A

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