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?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Puerto Rico from Alaska according to our data. United Airlines is the first choice among our users, with 47% 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.

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 12h 40m 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 10m. 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 September 2026, 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.

$437 Cheap Flights from Alaska to Puerto Rico in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alaska to Puerto Rico

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:59 pm - 2:44 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

13h 45m1 stop Chicago O'Hare Intl

8:25 am - 10:56 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

19h 31m2 stops Chicago O'Hare Intl Denver Intl

$815United Airlines

Wed, Oct 21 - Tue, Nov 10

11:59 pm - 6:25 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

13h 26m1 stop Denver Intl

2:21 pm - 10:59 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

13h 38m1 stop Denver Intl

$815United Airlines

Mon, Nov 30 - Wed, Dec 9

11:59 pm - 8:00 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

16h 01m2 stops Denver Intl Chicago O'Hare Intl

2:21 pm - 10:56 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

13h 35m1 stop Denver Intl

$815United Airlines

Sun, Oct 25 - Mon, Nov 2

4:05 pm - 1:49 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

17h 44m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

8:15 am - 12:35 amSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

21h 20m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

$830Delta

Sun, Oct 18 - Mon, Nov 2

6:33 pm - 2:52 pmJNU Juneau Intl-SJU San Juan Luis Munoz Marin Intl

15h 19m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

6:00 am - 12:28 amSJU San Juan Luis Munoz Marin Intl-JNU Juneau Intl

23h 28m2 stops Philadelphia Seattle/Tacoma Intl

$844American Airlines

Mon, Feb 8 - Fri, Feb 26

6:33 pm - 2:52 pmJNU Juneau Intl-SJU San Juan Luis Munoz Marin Intl

15h 19m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

6:00 am - 12:28 amSJU San Juan Luis Munoz Marin Intl-JNU Juneau Intl

23h 28m2 stops Philadelphia Seattle/Tacoma Intl

$844American Airlines

Mon, Feb 8 - Thu, Feb 25

4:03 pm - 1:54 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

16h 51m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

7:00 am - 8:53 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

18h 53m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$845Delta

Wed, Dec 2 - Wed, Dec 9

4:03 pm - 1:54 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

16h 51m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

7:00 am - 8:53 pmSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

18h 53m2 stops New York John F Kennedy Intl Minneapolis St Paul

$845Delta

Wed, Dec 2 - Fri, Dec 11

5:25 pm - 11:54 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

25h 29m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

7:03 am - 1:46 amSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

23h 43m3 stops Chicago O'Hare Intl Portland Seattle/Tacoma Intl

$1,145Alaska Airlines

Sun, Jan 10 - Sat, Jan 16

5:25 pm - 11:41 pmANC Anchorage-SJU San Juan Luis Munoz Marin Intl

25h 16m3 stops Seattle/Tacoma Intl Portland Chicago O'Hare Intl

7:03 am - 1:46 amSJU San Juan Luis Munoz Marin Intl-ANC Anchorage

23h 43m3 stops Chicago O'Hare Intl Portland Seattle/Tacoma Intl

$1,145Alaska Airlines

Sun, Jan 10 - Sat, Jan 16

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Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

Delta

Oct 18

ANC4:05 pmAnchorage

17h 44m

2 stops

SJU1:49 pmSan Juan Luis Munoz Marin Intl

Nov 2

SJU8:15 amSan Juan Luis Munoz Marin Intl

21h 20m

2 stops

ANC12:35 amAnchorage

$830

Delta

Dec 2

ANC4:03 pmAnchorage

16h 51m

2 stops

SJU1:54 pmSan Juan Luis Munoz Marin Intl

Dec 10

SJU7:00 amSan Juan Luis Munoz Marin Intl

18h 53m

2 stops

ANC8:53 pmAnchorage

$845

Delta

Dec 2

ANC4:03 pmAnchorage

16h 51m

2 stops

SJU1:54 pmSan Juan Luis Munoz Marin Intl

Dec 8

SJU1:58 pmSan Juan Luis Munoz Marin Intl

16h 47m

2 stops

ANC1:45 amAnchorage

$850

American Airlines flights from Alaska to Puerto Rico

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

American Airlines

Feb 8

JNU6:33 pmJuneau Intl

15h 19m

2 stops

SJU2:52 pmSan Juan Luis Munoz Marin Intl

Feb 25

SJU6:00 amSan Juan Luis Munoz Marin Intl

23h 28m

2 stops

JNU12:28 amJuneau Intl

$844

American Airlines

Feb 8

JNU6:33 pmJuneau Intl

15h 19m

2 stops

SJU2:52 pmSan Juan Luis Munoz Marin Intl

Feb 24

SJU6:00 amSan Juan Luis Munoz Marin Intl

23h 28m

2 stops

JNU12:28 amJuneau Intl

$847

American Airlines

Feb 14

JNU12:22 pmJuneau Intl

21h 45m

2 stops

SJU3:07 pmSan Juan Luis Munoz Marin Intl

Feb 26

SJU6:00 amSan Juan Luis Munoz Marin Intl

23h 28m

2 stops

JNU12:28 amJuneau Intl

$880

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Wed 10/21

8:59 pm-2:44 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Tue 11/10

8:25 am-10:56 pm

2 stops19h 31m

$815

Quickest round-trip

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Mon 11/30

11:59 pm-6:25 pm

1 stop13h 26m

San Juan Luis Munoz Marin Intl

Wed 12/9

2:21 pm-10:59 pm

1 stop13h 38m

$815

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Sun 10/25

11:59 pm-8:00 pm

2 stops16h 01m

San Juan Luis Munoz Marin Intl

Mon 11/2

2:21 pm-10:56 pm

1 stop13h 35m

$815

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Sun 10/18

4:05 pm-1:49 pm

2 stops17h 44m

San Juan Luis Munoz Marin Intl

Mon 11/2

8:15 am-12:35 am

2 stops21h 20m

$830

JuneauSan Juan

JNU Juneau Intl - SJU San Juan Luis Munoz Marin Intl

JNUSJU

Juneau Intl

Mon 2/8

6:33 pm-2:52 pm

2 stops15h 19m

San Juan Luis Munoz Marin Intl

Fri 2/26

6:00 am-12:28 am

2 stops23h 28m

$844

JuneauSan Juan

JNU Juneau Intl - SJU San Juan Luis Munoz Marin Intl

JNUSJU

Juneau Intl

Mon 2/8

6:33 pm-2:52 pm

2 stops15h 19m

San Juan Luis Munoz Marin Intl

Thu 2/25

6:00 am-12:28 am

2 stops23h 28m

$844

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Wed 12/2

4:03 pm-1:54 pm

2 stops16h 51m

San Juan Luis Munoz Marin Intl

Wed 12/9

7:00 am-8:53 pm

2 stops18h 53m

$845

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Wed 12/2

4:03 pm-1:54 pm

2 stops16h 51m

San Juan Luis Munoz Marin Intl

Fri 12/11

7:00 am-8:53 pm

2 stops18h 53m

$845

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Sun 1/10

5:25 pm-11:54 pm

2 stops25h 29m

San Juan Luis Munoz Marin Intl

Sat 1/16

7:03 am-1:46 am

3 stops23h 43m

$1,145

AnchorageSan Juan

ANC Anchorage - SJU San Juan Luis Munoz Marin Intl

ANCSJU

Anchorage

Sun 1/10

5:25 pm-11:41 pm

3 stops25h 16m

San Juan Luis Munoz Marin Intl

Sat 1/16

7:03 am-1:46 am

3 stops23h 43m

$1,145

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 September, then you should wait until August to fly from Alaska, when ticket prices are also cheap, with an average price of $623.

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

You could potentially save up to 16% 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

Best Price Found	$437
Fastest flight time	12h 40m
Direct flights	None

The best one-way flight to Puerto Rico from Alaska in the past 72 hours is $437. The best round-trip flight deal from Alaska to Puerto Rico found on momondo in the last 72 hours is $815.

The fastest flight from Alaska to Puerto Rico takes 12h 40m

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 September 2026, 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 $432	Free Cancellation	Rating 7.8 8,600 reviews	Search Delta flights
United Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 10,237 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $902	Free Cancellation	Rating 7.9 12,965 reviews	Search Alaska 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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Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $85

Flights to Aguadillafrom $180

Flights to Poncefrom $233

Flights to Viequesfrom $502

Flights to Culebrafrom $459

Flights to Mayagüezfrom $414

Cheap flights from Alaska to Puerto Rico from $437

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 10/21. 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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Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

American Airlines flights from Alaska to Puerto Rico

Our best American 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?

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

Best Price Found

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