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 25h 35m. Keep in mind that layovers or delays could extend your travel time.

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

Delta, United Airlines, 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 45% 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 November 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.

$431 Cheap Flights from Alaska to Puerto Rico in 2025/26

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Cheap round-trip flights

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9:55 pm - 4:29 pmANC-SJU

14h 34m2 stops

6:15 am - 6:48 pmSJU-ANC

16h 33m2 stops

$744Delta

Find Deal

Mon, Mar 23 - Thu, Apr 16

9:55 pm - 2:20 pmANC-SJU

12h 25m1 stop

6:15 am - 7:14 pmSJU-ANC

16h 59m1 stop

$764Delta

Find Deal

Sun, Mar 22 - Sat, Apr 4

8:55 pm - 2:40 pmANC-SJU

13h 45m1 stop

1:40 pm - 10:39 pmSJU-ANC

12h 59m1 stop

$834United Airlines

Find Deal

Mon, Mar 23 - Wed, Apr 8

8:55 pm - 2:40 pmANC-SJU

13h 45m1 stop

7:25 am - 7:45 pmSJU-ANC

16h 20m2 stops

$854United Airlines

Find Deal

Tue, Mar 24 - Mon, Apr 13

8:48 pm - 1:33 pmANC-SJU

12h 45m1 stop

5:45 pm - 6:35 pmSJU-ANC

28h 50m2 stops

$934American Airlines

Find Deal

Thu, Mar 26 - Mon, Apr 6

5:24 pm - 3:02 pmANC-SJU

16h 38m2 stops

6:44 am - 6:58 pmSJU-ANC

17h 14m1 stop

$969American Airlines

Find Deal

Sun, Dec 7 - Sat, Dec 27

12:00 pm - 1:35 pmANC-SJU

21h 35m2 stops

6:54 am - 2:23 amSJU-ANC

23h 29m3 stops

$1,273Alaska Airlines

Find Deal

Mon, Mar 23 - Mon, Apr 6

2:09 pm - 4:01 pmFAI-SJU

44h 52m3 stops

6:48 pm - 1:15 amSJU-FAI

35h 27m3 stops

$1,546Multiple Airlines

Find Deal

Sat, Dec 20 - Sun, Jan 4

2:09 pm - 4:01 pmFAI-SJU

44h 52m3 stops

1:59 am - 2:50 amSJU-FAI

53h 51m3 stops

$1,617Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Jan 3

12:15 pm - 2:59 pmFAI-SJU

21h 44m2 stops

1:30 am - 2:52 pmSJU-FAI

18h 22m2 stops

$2,856Alaska Airlines

Find Deal

Tue, Dec 23 - Thu, Jan 1

United Airlines flights from Alaska to Puerto Rico

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

United Airlines

Mar 23

ANC8:55 pmAnchorage

13h 45m

1 stop

SJU2:40 pmSan Juan Luis Munoz Marin Intl

Apr 8

SJU1:40 pmSan Juan Luis Munoz Marin Intl

12h 59m

1 stop

ANC10:39 pmAnchorage

$834

Find similar

United Airlines

Mar 24

ANC8:55 pmAnchorage

13h 45m

1 stop

SJU2:40 pmSan Juan Luis Munoz Marin Intl

Apr 13

SJU7:25 amSan Juan Luis Munoz Marin Intl

16h 20m

2 stops

ANC7:45 pmAnchorage

$854

Find similar

United Airlines

Apr 27

ANC11:45 pmAnchorage

20h 12m

2 stops

SJU11:57 pmSan Juan Luis Munoz Marin Intl

Apr 29

SJU1:05 amSan Juan Luis Munoz Marin Intl

15h 52m

2 stops

ANC12:57 pmAnchorage

$874

Find similar

Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

Delta

Mar 23

ANC9:55 pmAnchorage

14h 34m

2 stops

SJU4:29 pmSan Juan Luis Munoz Marin Intl

Apr 16

SJU6:15 amSan Juan Luis Munoz Marin Intl

16h 33m

2 stops

ANC6:48 pmAnchorage

$744

Find similar

Delta

Mar 22

ANC9:55 pmAnchorage

12h 25m

1 stop

SJU2:20 pmSan Juan Luis Munoz Marin Intl

Apr 4

SJU6:15 amSan Juan Luis Munoz Marin Intl

16h 59m

1 stop

ANC7:14 pmAnchorage

$764

Find similar

Delta

Mar 24

ANC9:55 pmAnchorage

12h 25m

1 stop

SJU2:20 pmSan Juan Luis Munoz Marin Intl

Apr 8

SJU6:15 amSan Juan Luis Munoz Marin Intl

18h 15m

2 stops

ANC8:30 pmAnchorage

$799

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

9:55 pm-4:29 pm

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Thu 4/16

6:15 am-6:48 pm

2 stops16h 33m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 3/22

9:55 pm-2:20 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Sat 4/4

6:15 am-7:14 pm

1 stop16h 59m

$764

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

8:55 pm-2:40 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Wed 4/8

1:40 pm-10:39 pm

1 stop12h 59m

$834

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/24

8:55 pm-2:40 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Mon 4/13

7:25 am-7:45 pm

2 stops16h 20m

$854

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Thu 3/26

8:48 pm-1:33 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Mon 4/6

5:45 pm-6:35 pm

2 stops28h 50m

$934

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 12/7

5:24 pm-3:02 pm

2 stops16h 38m

San Juan Luis Munoz Marin Intl

Sat 12/27

6:44 am-6:58 pm

1 stop17h 14m

$969

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/23

12:00 pm-1:35 pm

2 stops21h 35m

San Juan Luis Munoz Marin Intl

Mon 4/6

6:54 am-2:23 am

3 stops23h 29m

$1,273

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sat 12/20

2:09 pm-4:01 pm

3 stops44h 52m

San Juan Luis Munoz Marin Intl

Sun 1/4

6:48 pm-1:15 am

3 stops35h 27m

$1,546

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Sat 12/20

2:09 pm-4:01 pm

3 stops44h 52m

San Juan Luis Munoz Marin Intl

Sat 1/3

1:59 am-2:50 am

3 stops53h 51m

$1,617

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Tue 12/23

12:15 pm-2:59 pm

2 stops21h 44m

San Juan Luis Munoz Marin Intl

Thu 1/1

1:30 am-2:52 pm

2 stops18h 22m

$2,856

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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 8% 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 November 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 8,002 reviews	Search Delta flights
United Airlines	PriceFrom $593	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $784	Free Cancellation	Rating 7.2 11,038 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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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $119

Flights to Aguadillafrom $176

Flights to Mayagüezfrom $328

Cheap flights from Alaska to Puerto Rico from $431

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 12/1. 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

Cheap last minute flights

United Airlines flights from Alaska to Puerto Rico

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

Delta flights from Alaska to Puerto Rico

Our best Delta 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 8% 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?

Delta, United Airlines, 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