What is the cheapest airline that flies from Alaska to Puerto Rico?

American Airlines and United Airlines are the most popular carriers operating from Alaska to Puerto Rico

How long is the flight from Alaska to Puerto Rico?

Flight times from Alaska to Puerto Rico vary, but if you’re flying out of Anchorage and flying into San Juan Luis Munoz Marin Intl Airport (one of the most popular routes), then the duration is 13h 15m on average. Another popular route from Alaska to Puerto Rico is flying from Fairbanks to San Juan Luis Munoz Marin Intl Airport, which will take roughly 17h 28m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Alaska to Puerto Rico?

Prices for flights from Alaska to Puerto Rico refresh daily.

How many operators does momondo search for flights from Alaska to Puerto Rico?

As of August 2026, there are 2 operators available to choose from for flights from Alaska to Puerto Rico.

How old do you have to be to fly from Alaska to Puerto Rico?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$438 Cheap Flights from Alaska to Puerto Rico in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alaska to Puerto Rico

Round-trip

One-way

Cheap round-trip flights

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8:44 pm - 3:40 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

13h 56m1 stop Chicago O'Hare Intl

8:35 am - 10:39 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

19h 04m2 stops Chicago O'Hare Intl Denver Intl

$815United Airlines

Thu, Jan 7 - Tue, Jan 19

8:44 pm - 3:40 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

13h 56m1 stop Chicago O'Hare Intl

2:25 pm - 10:39 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

13h 14m1 stop Denver Intl

$815United Airlines

Thu, Jan 7 - Tue, Jan 19

11:40 pm - 9:00 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

16h 20m2 stops Denver Intl Chicago O'Hare Intl

8:10 am - 10:39 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

19h 29m2 stops Washington, D.C. Dulles Intl Denver Intl

$815United Airlines

Thu, Jan 7 - Tue, Jan 19

3:53 pm - 2:55 pmFAI Fairbanks-SJU San Juan Luis Munoz Marin Intl

18h 02m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

1:20 am - 2:56 pmSJU San Juan Luis Munoz Marin Intl-FAI Fairbanks

18h 36m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$826American Airlines

Sun, Dec 13 - Thu, Dec 24

10:09 pm - 4:49 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

14h 40m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

7:45 am - 12:35 amSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

21h 50m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl

$835Delta

Sun, Oct 18 - Mon, Nov 2

4:05 pm - 4:49 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

20h 44m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

7:45 am - 12:35 amSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

21h 50m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl

$835Delta

Sun, Oct 18 - Mon, Nov 2

8:44 pm - 3:40 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

13h 56m1 stop Chicago O'Hare Intl

8:10 am - 7:40 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

16h 30m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$835United Airlines

Fri, Jan 8 - Tue, Jan 19

2:21 pm - 12:45 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

17h 24m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

7:15 am - 8:56 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

18h 41m2 stops New York John F Kennedy Intl Minneapolis St Paul

$835Delta

Thu, Nov 12 - Thu, Nov 26

12:16 pm - 1:03 pmFAI Fairbanks-SJU San Juan Luis Munoz Marin Intl

19h 47m2 stops Seattle/Tacoma Intl Charlotte Douglas

1:20 am - 2:56 pmSJU San Juan Luis Munoz Marin Intl-FAI Fairbanks

18h 36m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$852American Airlines

Sun, Dec 13 - Thu, Dec 24

8:14 pm - 4:09 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

14h 55m1 stop Dallas/Fort Worth

6:28 am - 7:17 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

17h 49m1 stop Dallas/Fort Worth

$925American Airlines

Thu, Nov 12 - Thu, Nov 26

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United Airlines flights from Alaska to Puerto Rico

Our best United Airlines deals on Alaska to Puerto Rico flight tickets

United Airlines

Jan 7

ANC8:44 pmAnchorage

13h 56m

1 stop

SJU3:40 pmSan Juan Luis Munoz Marin Intl

Jan 19

SJU8:35 amSan Juan Luis Munoz Marin Intl

19h 04m

2 stops

ANC10:39 pmAnchorage

$815

United Airlines

Sep 10

ANC10:19 pmAnchorage

21h 31m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Sep 15

SJU1:00 amSan Juan Luis Munoz Marin Intl

17h 13m

2 stops

ANC2:13 pmAnchorage

$844

United Airlines

Nov 12

ANC8:54 pmAnchorage

13h 46m

1 stop

SJU3:40 pmSan Juan Luis Munoz Marin Intl

Nov 25

SJU2:05 amSan Juan Luis Munoz Marin Intl

18h 19m

2 stops

ANC3:24 pmAnchorage

$853

Alaska Airlines flights from Alaska to Puerto Rico

Our best Alaska Airlines deals on Alaska to Puerto Rico flight tickets

Alaska Airlines

Oct 23

ANC5:04 pmAnchorage

18h 19m

2 stops

SJU3:23 pmSan Juan Luis Munoz Marin Intl

Oct 31

SJU6:00 amSan Juan Luis Munoz Marin Intl

21h 39m

3 stops

ANC11:39 pmAnchorage

$1,084

Alaska Airlines

Oct 1

ANC7:17 amAnchorage

27h 28m

3 stops

SJU2:45 pmSan Juan Luis Munoz Marin Intl

Oct 10

SJU6:00 amSan Juan Luis Munoz Marin Intl

20h 48m

3 stops

ANC10:48 pmAnchorage

$1,139

Alaska Airlines

Oct 23

ANC5:04 pmAnchorage

26h 16m

2 stops

SJU11:20 pmSan Juan Luis Munoz Marin Intl

Oct 31

SJU6:00 amSan Juan Luis Munoz Marin Intl

37h 48m

3 stops

ANC3:48 pmAnchorage

$1,160

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Thu 1/7

8:44 pm-3:40 pm

1 stop13h 56m

San Juan Luis Munoz Marin Intl

Tue 1/19

8:35 am-10:39 pm

2 stops19h 04m

$815

Quickest round-trip

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Thu 1/7

8:44 pm-3:40 pm

1 stop13h 56m

San Juan Luis Munoz Marin Intl

Tue 1/19

2:25 pm-10:39 pm

1 stop13h 14m

$815

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Thu 1/7

11:40 pm-9:00 pm

2 stops16h 20m

San Juan Luis Munoz Marin Intl

Tue 1/19

8:10 am-10:39 pm

2 stops19h 29m

$815

FairbanksSan Juan

FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl

FAISJU

Fairbanks

Sun 12/13

3:53 pm-2:55 pm

2 stops18h 02m

San Juan Luis Munoz Marin Intl

Thu 12/24

1:20 am-2:56 pm

2 stops18h 36m

$826

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Sun 10/18

10:09 pm-4:49 pm

2 stops14h 40m

San Juan Luis Munoz Marin Intl

Mon 11/2

7:45 am-12:35 am

2 stops21h 50m

$835

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Sun 10/18

4:05 pm-4:49 pm

2 stops20h 44m

San Juan Luis Munoz Marin Intl

Mon 11/2

7:45 am-12:35 am

2 stops21h 50m

$835

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Fri 1/8

8:44 pm-3:40 pm

1 stop13h 56m

San Juan Luis Munoz Marin Intl

Tue 1/19

8:10 am-7:40 pm

2 stops16h 30m

$835

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Thu 11/12

2:21 pm-12:45 pm

2 stops17h 24m

San Juan Luis Munoz Marin Intl

Thu 11/26

7:15 am-8:56 pm

2 stops18h 41m

$835

FairbanksSan Juan

FAI Fairbanks - SJU San Juan Luis Munoz Marin Intl

FAISJU

Fairbanks

Sun 12/13

12:16 pm-1:03 pm

2 stops19h 47m

San Juan Luis Munoz Marin Intl

Thu 12/24

1:20 am-2:56 pm

2 stops18h 36m

$852

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Thu 11/12

8:14 pm-4:09 pm

1 stop14h 55m

San Juan Luis Munoz Marin Intl

Thu 11/26

6:28 am-7:17 pm

1 stop17h 49m

$925

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Alaska to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in August, then you should wait until January to fly from Alaska, when ticket prices are also cheap, with an average price of $835.

Can stopping save me money on Alaska to Puerto Rico flights?

You could potentially save up to 36% on your flight if you consider stops on a Alaska to Puerto Rico flight.

Cheap Alaska to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Alaska to Puerto Rico

Fastest flight time	13h 15m
Direct flights	None

The fastest flight from Alaska to Puerto Rico takes 13h 15m

There are no direct flights from Alaska to Puerto Rico. There are no popular flight routes from Alaska to Puerto Rico.

Search flight deals

Frequently asked questions about flying from Alaska to Puerto Rico

When did momondo last update prices for flights from Alaska to Puerto Rico?
Prices for flights from Alaska to Puerto Rico refresh daily.
How many operators does momondo search for flights from Alaska to Puerto Rico?
As of August 2026, there are 2 operators available to choose from for flights from Alaska to Puerto Rico.
How old do you have to be to fly from Alaska to Puerto Rico?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Alaska to Puerto Rico

Compare and see reviews for airlines that fly from Alaska to Puerto Rico with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $432	Free Cancellation	Rating 7.8 8,505 reviews		Search Delta flights
United Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 10,104 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Alaska to Puerto Rico?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Alaska to Puerto Rico for you.

Can I find flights from Alaska to Puerto Rico with flexible booking policies on momondo?

Yes. All flights to Puerto Rico from Alaska on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Alaska to Puerto Rico?

Once all potential Alaska to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Alaska to Puerto Rico right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Alaska to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Popular cities in Puerto Rico

Flights to San Juanfrom $88

Flights to Aguadillafrom $235

Flights to Poncefrom $187

Flights to Viequesfrom $373

Flights to Culebrafrom $383

Flights to Mayagüezfrom $282

Cheap flights from Alaska to Puerto Rico from $438

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to Puerto Rico departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Alaska to Puerto Rico

Our best United Airlines deals on Alaska to Puerto Rico flight tickets

Alaska Airlines flights from Alaska to Puerto Rico

Our best Alaska Airlines deals on Alaska to Puerto Rico flight tickets

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Use the filters below to find and compare flights from Alaska to Puerto Rico that are best for you.

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Alaska to Puerto Rico

What is the cheapest month to fly to Puerto Rico?

Can stopping save me money on Alaska to Puerto Rico flights?

What is the cheapest airline that flies from Alaska to Puerto Rico?

How long is the flight from Alaska to Puerto Rico?

Cheap Alaska to Puerto Rico flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Alaska to Puerto Rico

Best airlines flying from Alaska to Puerto Rico

Compare and see reviews for airlines that fly from Alaska to Puerto Rico with momondo

Why use momondo?

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

Alaska flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year