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 26m 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 15m. Keep in mind that layovers or delays could extend your travel time.

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

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

What airlines fly to Puerto Rico?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Puerto Rico from Alaska according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 3 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

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 2025, there are 3 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.

$352 Cheap Flights from Alaska to Puerto Rico in 2025

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Round-trip

One-way

Cheap round-trip flights

2:11 pm - 12:34 pmANC-SJU

18h 23m2 stops

7:00 am - 10:42 pmSJU-ANC

19h 42m2 stops

$744United Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

9:04 pm - 2:44 pmANC-SJU

13h 40m1 stop

1:25 pm - 10:56 pmSJU-ANC

13h 31m1 stop

$764United Airlines

Find Deal

Fri, Oct 17 - Tue, Oct 28

2:11 pm - 1:45 pmANC-SJU

19h 34m2 stops

2:00 pm - 7:57 pmSJU-ANC

33h 57m3 stops

$765United Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

12:30 am - 9:59 pmANC-SJU

17h 29m2 stops

1:06 pm - 1:59 amSJU-ANC

16h 53m2 stops

$774Delta

Find Deal

Wed, Oct 22 - Fri, Oct 31

2:11 pm - 5:30 pmANC-SJU

23h 19m3 stops

2:00 pm - 7:57 pmSJU-ANC

33h 57m3 stops

$775United Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

12:30 am - 9:59 pmANC-SJU

17h 29m2 stops

2:31 pm - 12:51 amSJU-ANC

14h 20m2 stops

$784Delta

Find Deal

Wed, Oct 22 - Mon, Oct 27

7:52 pm - 2:25 pmANC-SJU

14h 33m1 stop

7:05 am - 6:44 pmSJU-ANC

15h 39m2 stops

$824American Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

7:52 pm - 2:20 pmANC-SJU

14h 28m1 stop

7:10 am - 11:44 pmSJU-ANC

20h 34m2 stops

$849American Airlines

Find Deal

Thu, Oct 16 - Sat, Oct 18

1:59 pm - 2:25 pmANC-SJU

20h 26m2 stops

3:10 pm - 1:32 pmSJU-ANC

26h 22m3 stops

$1,020Alaska Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

11:25 pm - 10:14 pmANC-SJU

17h 49m3 stops

7:20 am - 10:27 pmSJU-ANC

20h 07m2 stops

$1,076Alaska Airlines

Find Deal

Sun, Feb 8 - Tue, Feb 17

Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

Delta

Oct 22

ANC12:30 amAnchorage

17h 29m

2 stops

SJU9:59 pmSan Juan Luis Munoz Marin Intl

Oct 31

SJU1:06 pmSan Juan Luis Munoz Marin Intl

16h 53m

2 stops

ANC1:59 amAnchorage

$774

Find similar

Delta

Oct 22

ANC12:30 amAnchorage

17h 29m

2 stops

SJU9:59 pmSan Juan Luis Munoz Marin Intl

Oct 27

SJU2:31 pmSan Juan Luis Munoz Marin Intl

14h 20m

2 stops

ANC12:51 amAnchorage

$784

Find similar

Delta

Oct 16

ANC12:30 amAnchorage

19h 26m

2 stops

SJU11:56 pmSan Juan Luis Munoz Marin Intl

Oct 28

SJU1:06 pmSan Juan Luis Munoz Marin Intl

16h 53m

2 stops

ANC1:59 amAnchorage

$854

Find similar

United Airlines flights from Alaska to Puerto Rico

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

United Airlines

Sep 24

ANC2:11 pmAnchorage

18h 23m

2 stops

SJU12:34 pmSan Juan Luis Munoz Marin Intl

Oct 1

SJU7:00 amSan Juan Luis Munoz Marin Intl

19h 42m

2 stops

ANC10:42 pmAnchorage

$744

Find similar

United Airlines

Oct 17

ANC9:04 pmAnchorage

13h 40m

1 stop

SJU2:44 pmSan Juan Luis Munoz Marin Intl

Oct 28

SJU1:25 pmSan Juan Luis Munoz Marin Intl

13h 31m

1 stop

ANC10:56 pmAnchorage

$764

Find similar

United Airlines

Sep 24

ANC2:11 pmAnchorage

19h 34m

2 stops

SJU1:45 pmSan Juan Luis Munoz Marin Intl

Oct 1

SJU2:00 pmSan Juan Luis Munoz Marin Intl

33h 57m

3 stops

ANC7:57 pmAnchorage

$765

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 9/24

2:11 pm-12:34 pm

2 stops18h 23m

San Juan Luis Munoz Marin Intl

Wed 10/1

7:00 am-10:42 pm

2 stops19h 42m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 10/17

9:04 pm-2:44 pm

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Tue 10/28

1:25 pm-10:56 pm

1 stop13h 31m

$764

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 9/24

2:11 pm-1:45 pm

2 stops19h 34m

San Juan Luis Munoz Marin Intl

Wed 10/1

2:00 pm-7:57 pm

3 stops33h 57m

$765

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 10/22

12:30 am-9:59 pm

2 stops17h 29m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:06 pm-1:59 am

2 stops16h 53m

$774

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 9/24

2:11 pm-5:30 pm

3 stops23h 19m

San Juan Luis Munoz Marin Intl

Wed 10/1

2:00 pm-7:57 pm

3 stops33h 57m

$775

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 10/22

12:30 am-9:59 pm

2 stops17h 29m

San Juan Luis Munoz Marin Intl

Mon 10/27

2:31 pm-12:51 am

2 stops14h 20m

$784

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 10/23

7:52 pm-2:25 pm

1 stop14h 33m

San Juan Luis Munoz Marin Intl

Mon 10/27

7:05 am-6:44 pm

2 stops15h 39m

$824

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 10/16

7:52 pm-2:20 pm

1 stop14h 28m

San Juan Luis Munoz Marin Intl

Sat 10/18

7:10 am-11:44 pm

2 stops20h 34m

$849

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 10/23

1:59 pm-2:25 pm

2 stops20h 26m

San Juan Luis Munoz Marin Intl

Mon 10/27

3:10 pm-1:32 pm

3 stops26h 22m

$1,020

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 2/8

11:25 pm-10:14 pm

3 stops17h 49m

San Juan Luis Munoz Marin Intl

Tue 2/17

7:20 am-10:27 pm

2 stops20h 07m

$1,076

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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 April to fly from Alaska, when ticket prices are also cheap, with an average price of $784.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Alaska is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $782. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Thursday, with ticket prices averaging around $1,152.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Alaska to Puerto Rico during this time can be as low as $1,008. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $1,242.

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

You could potentially save up to 38% 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

Direct flights	None

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

Search flight deals

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 2025, there are 3 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 $500	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $593	Free Cancellation	Rating 7.4 8,940 reviews	Search United Airlines flights
American Airlines	PriceFrom $782	Free Cancellation	Rating 7.2 10,000 reviews	Search American 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 in Puerto Rico

Flights to San Juanfrom $128

Flights to Aguadillafrom $171

Flights to Poncefrom $142

Flights to Mayagüezfrom $317

Cheap flights from Alaska to Puerto Rico from $352

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 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Alaska to Puerto Rico

Cheap round-trip flights

Cheap one-way flights

Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

United Airlines flights from Alaska to Puerto Rico

Our best United 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

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

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 April to fly from Alaska, when ticket prices are also cheap, with an average price of $784.

What is the cheapest day to depart on your flight to Puerto Rico?

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Alaska to Puerto Rico during this time can be as low as $1,008. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $1,242.

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

You could potentially save up to 38% on your flight if you consider stops on a Alaska to Puerto Rico flight.

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

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

What airlines fly to Puerto Rico?

How long is the flight from Alaska to Puerto Rico?

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

Direct flights

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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