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.

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

Delta and Alaska 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 16h 03m 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 18h 13m. 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 December 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.

$591 Cheap Flights from Alaska to Puerto Rico in 2025/26

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Find the cheapest flights from Alaska to Puerto Rico

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One-way

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Cheap round-trip flights

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11:45 pm - 9:00 pm

ANC

SJU

16h 15m2 stops

7:30 am - 10:50 pm

SJU

ANC

19h 20m2 stops

$744United Airlines

Mon, Mar 2 - Mon, Mar 9

9:15 pm - 3:18 pm

ANC

SJU

13h 03m1 stop

7:30 am - 12:28 am

SJU

ANC

20h 58m2 stops

$764Delta

Sat, Feb 28 - Wed, Mar 11

1:15 pm - 1:05 pm

ANC

SJU

18h 50m2 stops

6:15 am - 7:01 pm

SJU

ANC

17h 46m1 stop

$784Delta

Sat, Feb 28 - Sat, Mar 7

1:20 am - 11:59 pm

ANC

SJU

17h 39m2 stops

6:15 am - 10:41 pm

SJU

ANC

21h 26m2 stops

$799Delta

Sun, Feb 22 - Wed, Mar 4

9:15 pm - 3:18 pm

ANC

SJU

13h 03m1 stop

7:30 am - 12:09 am

SJU

ANC

21h 39m2 stops

$824Delta

Sun, Mar 1 - Thu, Mar 5

11:45 pm - 6:25 pm

ANC

SJU

13h 40m1 stop

1:25 pm - 10:50 pm

SJU

ANC

13h 25m1 stop

$827United Airlines

Mon, Mar 2 - Mon, Mar 9

4:54 pm - 3:04 pm

ANC

SJU

17h 10m2 stops

7:30 am - 11:04 pm

SJU

ANC

20h 34m2 stops

$844American Airlines

Sun, Feb 8 - Mon, Feb 16

8:13 pm - 2:45 pm

ANC

SJU

14h 32m2 stops

6:00 am - 7:06 pm

SJU

ANC

17h 06m2 stops

$849American Airlines

Wed, Mar 25 - Sat, Apr 4

3:59 pm - 3:12 pm

FAI

SJU

18h 13m2 stops

6:00 am - 2:38 am

SJU

FAI

25h 38m2 stops

$950Alaska Airlines

Mon, Feb 23 - Thu, Feb 26

3:59 pm - 3:12 pm

FAI

SJU

18h 13m2 stops

4:03 pm - 12:50 am

SJU

FAI

37h 47m2 stops

$983Alaska Airlines

Mon, Feb 23 - Thu, Feb 26

Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

Delta

Feb 28

ANC9:15 pmAnchorage

18h 57m

2 stops

SJU9:12 pmSan Juan Luis Munoz Marin Intl

Mar 11

SJU7:30 amSan Juan Luis Munoz Marin Intl

20h 58m

2 stops

ANC12:28 amAnchorage

$764

Find similar

Delta

Feb 28

ANC1:15 pmAnchorage

18h 50m

2 stops

SJU1:05 pmSan Juan Luis Munoz Marin Intl

Mar 7

SJU6:15 amSan Juan Luis Munoz Marin Intl

17h 46m

1 stop

ANC7:01 pmAnchorage

$784

Find similar

Delta

Feb 23

ANC9:15 pmAnchorage

13h 03m

1 stop

SJU3:18 pmSan Juan Luis Munoz Marin Intl

Mar 3

SJU7:30 amSan Juan Luis Munoz Marin Intl

20h 11m

2 stops

ANC10:41 pmAnchorage

$799

Find similar

Alaska Airlines flights from Alaska to Puerto Rico

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

Alaska Airlines

Feb 27

ANC6:09 pmAnchorage

29h 51m

2 stops

SJU5:00 amSan Juan Luis Munoz Marin Intl

Mar 9

SJU5:30 amSan Juan Luis Munoz Marin Intl

23h 39m

2 stops

ANC1:09 amAnchorage

$862

Find similar

Alaska Airlines

Feb 21

ANC2:26 amAnchorage

31h 46m

2 stops

SJU3:12 pmSan Juan Luis Munoz Marin Intl

Mar 2

SJU6:00 amSan Juan Luis Munoz Marin Intl

33h 19m

2 stops

ANC10:19 amAnchorage

$882

Find similar

Alaska Airlines

Feb 26

ANC1:25 amAnchorage

22h 35m

2 stops

SJU5:00 amSan Juan Luis Munoz Marin Intl

Mar 7

SJU6:00 amSan Juan Luis Munoz Marin Intl

23h 53m

2 stops

ANC12:53 amAnchorage

$912

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/2

11:45 pm-9:00 pm

2 stops16h 15m

San Juan Luis Munoz Marin Intl

Mon 3/9

7:30 am-10:50 pm

2 stops19h 20m

$744

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 2/28

9:15 pm-3:18 pm

1 stop13h 03m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:30 am-12:28 am

2 stops20h 58m

$764

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 2/28

1:15 pm-1:05 pm

2 stops18h 50m

San Juan Luis Munoz Marin Intl

Sat 3/7

6:15 am-7:01 pm

1 stop17h 46m

$784

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 2/22

1:20 am-11:59 pm

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:15 am-10:41 pm

2 stops21h 26m

$799

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 3/1

9:15 pm-3:18 pm

1 stop13h 03m

San Juan Luis Munoz Marin Intl

Thu 3/5

7:30 am-12:09 am

2 stops21h 39m

$824

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 3/2

11:45 pm-6:25 pm

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 3/9

1:25 pm-10:50 pm

1 stop13h 25m

$827

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 2/8

4:54 pm-3:04 pm

2 stops17h 10m

San Juan Luis Munoz Marin Intl

Mon 2/16

7:30 am-11:04 pm

2 stops20h 34m

$844

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 3/25

8:13 pm-2:45 pm

2 stops14h 32m

San Juan Luis Munoz Marin Intl

Sat 4/4

6:00 am-7:06 pm

2 stops17h 06m

$849

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 2/23

3:59 pm-3:12 pm

2 stops18h 13m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:00 am-2:38 am

2 stops25h 38m

$950

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 2/23

3:59 pm-3:12 pm

2 stops18h 13m

San Juan Luis Munoz Marin Intl

Thu 2/26

4:03 pm-12:50 am

2 stops37h 47m

$983

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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 January, then you should wait until August to fly from Alaska, when ticket prices are also cheap, with an average price of $522.

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 17% 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	15h 47m
Direct flights	None

The fastest flight from Alaska to Puerto Rico takes 15h 47m

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 December 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
United Airlines	PriceFrom $496	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Delta	PriceFrom $500	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
American Airlines	PriceFrom $794	Free Cancellation	Rating 7.2 11,054 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.

Start using Trips

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Popular cities in Puerto Rico

Flights to San Juanfrom $96

Flights to Aguadillafrom $136

Flights to Mayagüezfrom $329

Cheap flights from Alaska to Puerto Rico from $591

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 2/5. 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

Delta flights from Alaska to Puerto Rico

Our best Delta 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

momondo Fare Finder

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?

If you don’t want to visit Puerto Rico in January, then you should wait until August to fly from Alaska, when ticket prices are also cheap, with an average price of $522.

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 17% 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 and Alaska 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

Fastest flight time

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