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Alaska

$328+ Cheap flights from Puerto Rico to Alaska

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ANC
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Puerto Rico to Alaska

Keep the following information in mind while searching for Puerto Rico to Alaska flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$654
(United Airlines)

One-way from

$328
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$744
From Puerto Rico to Alaska
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One-way flight from Puerto Rico to Alaska
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Highest demand for flights based on searches. 14% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Puerto Rico to Alaska

Cheapest flights from Puerto Rico to Alaska
Explore the most affordable flight options available from Puerto Rico to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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. 11/38:10 amSJU - ANC
1 stop16h 49mUnited Airlines
dom. 11/99:07 pmANC - SJU
1 stop18h 53mUnited Airlines
Deal found 9/14$654
This United Airlines deal was found by Cheapflights users on 9/15. 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. 10/152:00 pmSJU - ANC
1 stop12h 42mUnited Airlines
mié. 10/229:04 pmANC - SJU
1 stop13h 40mUnited Airlines
Deal found 9/15$744
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 10/151:06 pmSJU - ANC
2 stops16h 53mDelta
mié. 10/222:10 pmANC - SJU
2 stops17h 46mDelta
Deal found 9/15$745
This Delta deal was found by Cheapflights users on 9/14. 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.
lun. 11/37:00 amSJU - ANC
2 stops20h 43mDelta
dom. 11/92:20 pmANC - SJU
2 stops17h 26mDelta
Deal found 9/14$765
This United Airlines deal was found by Cheapflights users on 9/16. 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.
vie. 10/103:56 pmSJU - ANC
1 stop32h 01mUnited Airlines
sáb. 10/1811:49 pmANC - SJU
2 stops34h 55mUnited Airlines
Deal found 9/16$770
This United Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 10/107:00 amSJU - ANC
2 stops19h 42mUnited Airlines
vie. 10/249:04 pmANC - SJU
2 stops22h 53mUnited Airlines
Deal found 9/14$775
This American Airlines deal was found by Cheapflights users on 9/14. 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. 11/217:15 amSJU - ANC
1 stop17h 01mAmerican Airlines
lun. 11/248:21 pmANC - SJU
1 stop13h 39mAmerican Airlines
Deal found 9/14$824
This American Airlines deal was found by Cheapflights users on 9/13. 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. 12/38:20 amSJU - FAI
2 stops21h 19mAmerican Airlines
dom. 12/78:00 amFAI - SJU
2 stops16h 29mAmerican Airlines
Deal found 9/13$825
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 11/202:05 amSJU - ANC
2 stops22h 54mUnited Airlines
lun. 11/249:07 pmANC - SJU
1 stop13h 33mUnited Airlines
Deal found 9/14$828
This American Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 12/183:58 pmSJU - FAI
2 stops15h 52mAmerican Airlines
vie. 1/25:45 amFAI - SJU
2 stops18h 49mAmerican Airlines
Deal found 9/14$885
This Delta deal was found by Cheapflights users on 9/14. 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. 12/187:00 amSJU - FAI
2 stops22h 18mDelta
jue. 1/11:50 amFAI - SJU
2 stops14h 20mDelta
Deal found 9/14$966
This Delta deal was found by Cheapflights users on 9/13. 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.
mié. 12/31:57 pmSJU - FAI
2 stops15h 21mDelta
sáb. 12/61:30 amFAI - SJU
2 stops17h 33mDelta
Deal found 9/13$1,042

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Alaska 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Puerto Rico to Alaska that are best for you.

Fly from

Puerto Rico

Fly to

Alaska

Route

Depart

Return

Price

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

lun. 11/3

8:10 am-7:59 pm

1 stop16h 49m

Anchorage

dom. 11/9

9:07 pm-9:00 pm

1 stop18h 53m

$654

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

vie. 11/21

8:30 am-7:59 pm

2 stops16h 29m

Anchorage

lun. 11/24

11:59 pm-6:25 pm

1 stop13h 26m

$744

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

mié. 10/15

2:00 pm-10:42 pm

1 stop12h 42m

Anchorage

mié. 10/22

9:04 pm-2:44 pm

1 stop13h 40m

$744

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

vie. 11/21

3:20 pm-1:58 am

2 stops15h 38m

Anchorage

lun. 11/24

2:20 pm-2:10 pm

2 stops18h 50m

$745

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

mié. 10/15

1:06 pm-1:59 am

2 stops16h 53m

Anchorage

mié. 10/22

2:10 pm-11:56 am

2 stops17h 46m

$745

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

lun. 11/3

7:00 am-10:43 pm

2 stops20h 43m

Anchorage

dom. 11/9

2:20 pm-12:46 pm

2 stops17h 26m

$765

San JuanAnchorage

SJU - ANC

SJUANC

San Juan Luis Munoz Marin Intl

vie. 10/10

3:56 pm-7:57 pm

1 stop32h 01m

Anchorage

sáb. 10/18

11:49 pm-2:44 pm

2 stops34h 55m

$770

AguadillaAnchorage

BQN - ANC

BQNANC

Aguadilla Borinquen

mié. 3/11

12:09 am-7:45 pm

2 stops23h 36m

Anchorage

lun. 3/16

8:55 pm-11:57 pm

2 stops23h 02m

$819

San JuanFairbanks

SJU - FAI

SJUFAI

San Juan Luis Munoz Marin Intl

mié. 12/3

8:20 am-12:39 am

2 stops21h 19m

Fairbanks

dom. 12/7

8:00 am-5:29 am

2 stops16h 29m

$825

San JuanFairbanks

SJU - FAI

SJUFAI

San Juan Luis Munoz Marin Intl

jue. 12/18

3:58 pm-2:50 am

2 stops15h 52m

Fairbanks

vie. 1/2

5:45 am-5:34 am

2 stops18h 49m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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Best time to book a flight from Puerto Rico to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Puerto Rico 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 Puerto Rico to Alaska

What is the cheapest time of day to fly from PR to AK?

Find hourly flight availability from Puerto Rico to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Puerto Rico to Alaska as you normally would.

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated septiembre 16, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Puerto Rico to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Alaska. 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 Puerto Rico to Alaska?

    There are many flights that can get you from Puerto Rico to Alaska in 15h 38m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. There are 4905 mi between Puerto Rico and Alaska. This flight may include one or multiple stops.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $328. Users have also found prices from $463 and $801 on American Airlines and Alaska Airlines, respectively.

  • Can I find deals for flights from Puerto Rico to Alaska that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Alaska.

  • Can I find deals for business class flights from Puerto Rico to Alaska?

    Yes. Cheapflights offers flight deals from Puerto Rico to Alaska 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 Puerto Rico to Alaska?

    Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Alaska (average of $456). Flying from Puerto Rico to Alaska in July is currently the most expensive (average of $642). 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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Top 2 airlines flying from Puerto Rico to Alaska

Discover the top 2 airlines that operate flights from Puerto Rico to Alaska. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$744Average$862FlexibilityNo cancel feeOn-time69%
DeltaCheapest$745Average$775FlexibilityNo cancel feeOn-timeN/A

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