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

Southwest, United Airlines, and Delta 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 Fairbanks and flying into San Juan Luis Munoz Marin Intl Airport (one of the most popular routes), then the duration is 13h 49m on average. Another popular route from Alaska to Puerto Rico is flying from Anchorage to San Juan Luis Munoz Marin Intl Airport, which will take roughly 15h 12m. 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 February 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.

$392 Cheap Flights from Alaska to Puerto Rico in 2026

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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.

8:45 pm - 8:38 pm

ANC

SJU

19h 53m

2 stops

1:00 am - 5:01 pm

SJU

ANC

20h 01m

2 stops

$696United Airlines

Mon, May 4 - Tue, May 5

8:55 pm - 9:24 pm

FAI

SJU

20h 29m

2 stops

4:55 pm - 7:42 pm

SJU

FAI

30h 47m

2 stops

$748United Airlines

Mon, May 4 - Wed, May 6

8:55 pm - 9:24 pm

FAI

SJU

20h 29m

2 stops

4:55 pm - 7:42 pm

SJU

FAI

30h 47m

2 stops

$768United Airlines

Mon, May 4 - Wed, May 6

9:10 pm - 2:40 pm

ANC

SJU

13h 30m

1 stop

1:40 pm - 10:45 pm

SJU

ANC

13h 05m

1 stop

$775United Airlines

Tue, Mar 24 - Tue, Apr 7

8:45 pm - 9:24 pm

ANC

SJU

20h 39m

2 stops

7:40 am - 8:06 pm

SJU

ANC

16h 26m

1 stop

$784United Airlines

Mon, May 4 - Wed, May 6

8:55 pm - 8:34 pm

FAI

SJU

19h 39m

1 stop

7:40 am - 7:42 pm

SJU

FAI

16h 02m

1 stop

$792United Airlines

Mon, May 4 - Wed, May 6

1:41 pm - 1:25 pm

ANC

SJU

19h 44m

2 stops

7:30 am - 12:25 am

SJU

ANC

20h 55m

2 stops

$795Delta

Wed, Apr 15 - Mon, Apr 20

5:15 pm - 3:12 pm

ANC

SJU

17h 57m

2 stops

2:30 pm - 12:33 am

SJU

ANC

14h 03m

2 stops

$815Delta

Fri, Aug 14 - Sat, Aug 22

8:30 pm - 11:02 pm

ANC

SJU

22h 32m

1 stop

6:45 am - 6:50 pm

SJU

ANC

16h 05m

1 stop

$855American Airlines

Wed, Apr 15 - Mon, Apr 20

1:41 pm - 12:52 pm

ANC

SJU

19h 11m

2 stops

6:15 am - 8:46 pm

SJU

ANC

18h 31m

2 stops

$860Delta

Sat, Apr 18 - Sun, May 3

United Airlines flights from Alaska to Puerto Rico

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

United Airlines

May 4

ANC8:45 pmAnchorage

19h 53m

2 stops

SJU8:38 pmSan Juan Luis Munoz Marin Intl

May 5

SJU1:00 amSan Juan Luis Munoz Marin Intl

20h 01m

2 stops

ANC5:01 pmAnchorage

$696

United Airlines

May 4

FAI8:55 pmFairbanks

20h 29m

2 stops

SJU9:24 pmSan Juan Luis Munoz Marin Intl

May 6

SJU4:55 pmSan Juan Luis Munoz Marin Intl

30h 47m

2 stops

FAI7:42 pmFairbanks

$748

United Airlines

May 4

FAI8:55 pmFairbanks

20h 29m

2 stops

SJU9:24 pmSan Juan Luis Munoz Marin Intl

May 6

SJU4:55 pmSan Juan Luis Munoz Marin Intl

30h 47m

2 stops

FAI7:42 pmFairbanks

$768

Alaska Airlines flights from Alaska to Puerto Rico

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

Alaska Airlines

Apr 17

ANC1:30 amAnchorage

23h 02m

3 stops

SJU4:32 amSan Juan Luis Munoz Marin Intl

May 3

SJU11:59 pmSan Juan Luis Munoz Marin Intl

24h 40m

2 stops

ANC8:39 pmAnchorage

$1,020

Alaska Airlines

Apr 15

ANC10:44 pmAnchorage

20h 18m

3 stops

SJU11:02 pmSan Juan Luis Munoz Marin Intl

Apr 20

SJU11:59 pmSan Juan Luis Munoz Marin Intl

16h 42m

2 stops

ANC12:41 pmAnchorage

$1,050

Alaska Airlines

Apr 17

ANC1:30 amAnchorage

23h 02m

3 stops

SJU4:32 amSan Juan Luis Munoz Marin Intl

May 3

SJU11:59 pmSan Juan Luis Munoz Marin Intl

24h 40m

2 stops

ANC8:39 pmAnchorage

$1,066

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 5/4

8:45 pm-8:38 pm

2 stops19h 53m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-5:01 pm

2 stops20h 01m

$696

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 5/4

8:55 pm-9:24 pm

2 stops20h 29m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-7:42 pm

2 stops30h 47m

$748

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 5/4

8:55 pm-9:24 pm

2 stops20h 29m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-7:42 pm

2 stops30h 47m

$768

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Tue 3/24

9:10 pm-2:40 pm

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Tue 4/7

1:40 pm-10:45 pm

1 stop13h 05m

$775

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Mon 5/4

8:45 pm-9:24 pm

2 stops20h 39m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:40 am-8:06 pm

1 stop16h 26m

$784

FairbanksSan Juan

FAI - SJU

FAISJU

Fairbanks

Mon 5/4

8:55 pm-8:34 pm

1 stop19h 39m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:40 am-7:42 pm

1 stop16h 02m

$792

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 4/15

1:41 pm-1:25 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Mon 4/20

7:30 am-12:25 am

2 stops20h 55m

$795

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Fri 8/14

5:15 pm-3:12 pm

2 stops17h 57m

San Juan Luis Munoz Marin Intl

Sat 8/22

2:30 pm-12:33 am

2 stops14h 03m

$815

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Wed 4/15

8:30 pm-11:02 pm

1 stop22h 32m

San Juan Luis Munoz Marin Intl

Mon 4/20

6:45 am-6:50 pm

1 stop16h 05m

$855

AnchorageSan Juan

ANC - SJU

ANCSJU

Anchorage

Sat 4/18

1:41 pm-12:52 pm

2 stops19h 11m

San Juan Luis Munoz Marin Intl

Sun 5/3

6:15 am-8:46 pm

2 stops18h 31m

$860

Flights are sorted by cheapest round-trip flights first.

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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

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

You could potentially save up to 3% 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 49m
Direct flights	None

The fastest flight from Alaska to Puerto Rico takes 13h 49m

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 February 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 7.9 8,242 reviews		Search Delta flights
United Airlines	PriceFrom $448	Free Cancellation	Rating 7.4 9,349 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.

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Popular cities in Puerto Rico

Flights to San Juanfrom $61

Flights to Aguadillafrom $167

Flights to Mayagüezfrom $319

Cheap flights from Alaska to Puerto Rico from $392

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 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Alaska to Puerto Rico

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United Airlines flights from Alaska to Puerto Rico

Our best United Airlines 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

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How to get the cheapest flight ticket from Alaska 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

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.

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According to popular flight searches on momondo this year