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

Sun Country Air, United Airlines, and American 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 45m 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 13h 59m. 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 June 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.

$315 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 pm - 6:15 pm

ANC

SJU

15h 50m

2 stops

6:35 am - 10:45 pm

SJU

ANC

20h 10m

2 stops

$790Southwest

Fri, Aug 21 - Sun, Aug 30

8:00 pm - 1:45 pm

ANC

SJU

37h 45m

2 stops

3:56 pm - 3:10 pm

SJU

ANC

27h 14m

2 stops

$791United Airlines

Sun, Aug 30 - Sat, Sep 5

9:20 pm - 1:45 pm

ANC

SJU

36h 25m

2 stops

3:56 pm - 7:59 pm

SJU

ANC

32h 03m

1 stop

$800United Airlines

Mon, Aug 24 - Fri, Aug 28

11:09 pm - 2:44 pm

ANC

SJU

35h 35m

2 stops

4:55 pm - 1:04 pm

SJU

ANC

24h 09m

2 stops

$803United Airlines

Fri, Aug 21 - Sun, Aug 30

9:20 pm - 1:45 pm

ANC

SJU

36h 25m

2 stops

3:56 pm - 7:35 pm

SJU

ANC

31h 39m

2 stops

$806United Airlines

Mon, Aug 24 - Fri, Aug 28

9:20 pm - 1:45 pm

ANC

SJU

36h 25m

2 stops

3:56 pm - 1:04 pm

SJU

ANC

25h 08m

1 stop

$813United Airlines

Sun, Aug 30 - Sat, Sep 5

10:25 pm - 6:10 pm

ANC

SJU

15h 45m

2 stops

5:30 am - 9:15 pm

SJU

ANC

19h 45m

2 stops

$825Southwest

Mon, Aug 24 - Fri, Aug 28

1:16 am - 1:45 pm

FAI

SJU

32h 29m

2 stops

3:25 pm - 3:08 pm

SJU

FAI

27h 43m

2 stops

$1,181Alaska Airlines

Mon, Oct 19 - Thu, Oct 22

1:16 am - 1:45 pm

FAI

SJU

32h 29m

2 stops

3:25 pm - 3:08 pm

SJU

FAI

27h 43m

2 stops

$1,201Alaska Airlines

Mon, Oct 19 - Thu, Oct 22

5:15 pm - 11:48 pm

FAI

SJU

26h 33m

2 stops

12:59 am - 12:55 am

SJU

FAI

27h 56m

2 stops

$1,679Alaska Airlines

Mon, Jul 6 - Wed, Jul 22

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Alaska to Puerto Rico

Our best Southwest deals on Alaska to Puerto Rico flight tickets

Southwest

Aug 21

ANC10:25 pmAnchorage

15h 50m

2 stops

SJU6:15 pmSan Juan Luis Munoz Marin Intl

Aug 30

SJU6:35 amSan Juan Luis Munoz Marin Intl

20h 10m

2 stops

ANC10:45 pmAnchorage

$790

Southwest

Aug 24

ANC10:25 pmAnchorage

15h 45m

2 stops

SJU6:10 pmSan Juan Luis Munoz Marin Intl

Aug 28

SJU5:30 amSan Juan Luis Munoz Marin Intl

19h 45m

2 stops

ANC9:15 pmAnchorage

$825

Southwest

Jul 6

ANC11:55 pmAnchorage

15h 50m

2 stops

SJU7:45 pmSan Juan Luis Munoz Marin Intl

Jul 10

SJU6:00 amSan Juan Luis Munoz Marin Intl

19h 15m

2 stops

ANC9:15 pmAnchorage

$1,115

Delta flights from Alaska to Puerto Rico

Our best Delta deals on Alaska to Puerto Rico flight tickets

Delta

Sep 23

ANC2:28 pmAnchorage

22h 21m

2 stops

SJU4:49 pmSan Juan Luis Munoz Marin Intl

Oct 1

SJU7:00 amSan Juan Luis Munoz Marin Intl

21h 45m

2 stops

ANC12:45 amAnchorage

$845

Delta

Oct 18

ANC11:30 amAnchorage

20h 06m

2 stops

SJU11:36 amSan Juan Luis Munoz Marin Intl

Nov 2

SJU7:00 amSan Juan Luis Munoz Marin Intl

20h 36m

2 stops

ANC10:36 pmAnchorage

$850

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 8/21

10:25 pm-6:15 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Sun 8/30

6:35 am-10:45 pm

2 stops20h 10m

$790

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 8/30

8:00 pm-1:45 pm

2 stops37h 45m

San Juan Luis Munoz Marin Intl

Sat 9/5

3:56 pm-3:10 pm

2 stops27h 14m

$791

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 8/24

9:20 pm-1:45 pm

2 stops36h 25m

San Juan Luis Munoz Marin Intl

Fri 8/28

3:56 pm-7:59 pm

1 stop32h 03m

$800

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 8/21

11:09 pm-2:44 pm

2 stops35h 35m

San Juan Luis Munoz Marin Intl

Sun 8/30

4:55 pm-1:04 pm

2 stops24h 09m

$803

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 8/24

9:20 pm-1:45 pm

2 stops36h 25m

San Juan Luis Munoz Marin Intl

Fri 8/28

3:56 pm-7:35 pm

2 stops31h 39m

$806

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sun 8/30

9:20 pm-1:45 pm

2 stops36h 25m

San Juan Luis Munoz Marin Intl

Sat 9/5

3:56 pm-1:04 pm

1 stop25h 08m

$813

Quickest round-trip

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 8/24

10:25 pm-6:10 pm

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Fri 8/28

5:30 am-9:15 pm

2 stops19h 45m

$825

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 10/19

1:16 am-1:45 pm

2 stops32h 29m

San Juan Luis Munoz Marin Intl

Thu 10/22

3:25 pm-3:08 pm

2 stops27h 43m

$1,181

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 10/19

1:16 am-1:45 pm

2 stops32h 29m

San Juan Luis Munoz Marin Intl

Thu 10/22

3:25 pm-3:08 pm

2 stops27h 43m

$1,201

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 7/6

5:15 pm-11:48 pm

2 stops26h 33m

San Juan Luis Munoz Marin Intl

Wed 7/22

12:59 am-12:55 am

2 stops27h 56m

$1,679

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 January, then you should wait until February to fly from Alaska, when ticket prices are also cheap, with an average price of $226.

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

You could potentially save up to 23% 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 59m
Direct flights	None

The fastest flight from Alaska to Puerto Rico takes 13h 59m

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 June 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 8,440 reviews		Search Delta flights
United Airlines	PriceFrom $496	Free Cancellation	Rating 7.4 9,887 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 7/26

Sun 8/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities

Other flights from Alaska

Other flights to Puerto Rico

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $113

Flights to Aguadillafrom $219

Flights to Poncefrom $174

Flights to Culebrafrom $520

Flights to Mayagüezfrom $410

Cheap flights from Alaska to Puerto Rico from $315

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Alaska to Puerto Rico

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Southwest flights from Alaska to Puerto Rico

Our best Southwest 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

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?

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

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

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