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

Southwest, United Airlines, and Delta are the most popular carriers operating from Washington to Puerto Rico

What airlines fly to Puerto Rico?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Puerto Rico from State of Washington according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 8 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 State of Washington to Puerto Rico?

Flight times from State of Washington to Puerto Rico vary, but if you’re flying out of Pasco and flying into San Juan Luis Munoz Marin Intl Airport (one of the most popular routes), then the duration is 9h 24m on average. Another popular route from State of Washington to Puerto Rico is flying from Spokane to San Juan Luis Munoz Marin Intl Airport, which will take roughly 9h 38m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington to Puerto Rico?

Prices for flights from Washington to Puerto Rico are updated daily.

How many operators does momondo search for flights from Washington to Puerto Rico?

As of June 2026, there are 8 operators available to choose from for flights from Washington to Puerto Rico.

How old do you have to be to fly from Washington to Puerto Rico?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$227 Cheap Flights from Washington to Puerto Rico in 2026

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Find the cheapest flights from Washington to Puerto Rico

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 12:50 pm

PDX

SJU

11h 05m

1 stop

1:20 pm - 10:15 pm

SJU

PDX

11h 55m

2 stops

$436Southwest

Mon, Aug 17 - Tue, Aug 25

11:16 pm - 2:38 pm

SEA

SJU

12h 22m

2 stops

1:38 pm - 11:59 pm

SJU

SEA

13h 21m

2 stops

$454American Airlines

Tue, Aug 18 - Tue, Aug 25

8:21 pm - 4:03 pm

SEA

SJU

16h 42m

1 stop

7:00 am - 10:56 pm

SJU

SEA

18h 56m

1 stop

$459American Airlines

Wed, Sep 2 - Tue, Sep 8

5:00 am - 8:38 pm

SEA

SJU

12h 38m

1 stop

7:00 am - 2:52 pm

SJU

SEA

10h 52m

1 stop

$481United Airlines

Tue, Aug 4 - Tue, Sep 8

7:00 am - 8:38 pm

SEA

SJU

10h 38m

1 stop

7:00 am - 8:43 pm

SJU

SEA

16h 43m

2 stops

$482United Airlines

Wed, Aug 12 - Tue, Aug 18

12:30 am - 4:33 pm

PDX

SJU

13h 03m

2 stops

7:30 am - 10:02 pm

SJU

PDX

17h 32m

2 stops

$511Delta

Mon, Aug 17 - Wed, Aug 26

5:30 am - 10:29 pm

GEG

SJU

13h 59m

2 stops

12:56 pm - 11:59 pm

SJU

GEG

14h 03m

2 stops

$569Delta

Tue, Aug 18 - Tue, Aug 25

10:49 am - 2:54 pm

PSC

SJU

25h 05m

2 stops

3:44 pm - 4:52 pm

SJU

PSC

28h 08m

2 stops

$837Alaska Airlines

Tue, Sep 1 - Sat, Sep 5

11:29 pm - 9:07 pm

PDX

BQN

18h 38m

2 stops

4:45 am - 10:34 pm

BQN

PDX

20h 49m

2 stops

$966JetBlue

Sun, Jun 28 - Sun, Jul 5

10:19 pm - 6:37 pm

SEA

BQN

17h 18m

1 stop

2:38 pm - 10:33 am

BQN

SEA

22h 55m

2 stops

$1,000JetBlue

Mon, Jul 6 - Sat, Jul 11

Delta flights from State of Washington to Puerto Rico

Our best Delta deals on State of Washington to Puerto Rico flight tickets

Delta

Nov 9

PDX7:40 pmPortland

13h 25m

2 stops

SJU1:05 pmSan Juan Luis Munoz Marin Intl

Nov 17

SJU7:15 amSan Juan Luis Munoz Marin Intl

15h 02m

2 stops

PDX6:17 pmPortland

$466

Delta

Oct 1

PDX10:00 pmPortland

11h 13m

1 stop

SJU12:13 pmSan Juan Luis Munoz Marin Intl

Oct 4

SJU12:58 pmSan Juan Luis Munoz Marin Intl

13h 42m

2 stops

PDX11:40 pmPortland

$531

Delta

Nov 8

GEG7:20 pmSpokane

14h 40m

2 stops

SJU2:00 pmSan Juan Luis Munoz Marin Intl

Nov 13

SJU3:10 pmSan Juan Luis Munoz Marin Intl

12h 32m

2 stops

GEG11:42 pmSpokane

$542

American Airlines flights from State of Washington to Puerto Rico

Our best American Airlines deals on State of Washington to Puerto Rico flight tickets

American Airlines

Nov 2

PDX10:45 pmPortland

9h 20m

1 stop

SJU12:05 pmSan Juan Luis Munoz Marin Intl

Dec 2

SJU7:00 amSan Juan Luis Munoz Marin Intl

18h 21m

1 stop

PDX9:21 pmPortland

$457

American Airlines

Sep 2

SEA3:47 pmSeattle/Tacoma Intl

20h 07m

1 stop

SJU2:54 pmSan Juan Luis Munoz Marin Intl

Sep 6

SJU12:55 amSan Juan Luis Munoz Marin Intl

11h 34m

1 stop

SEA9:29 amSeattle/Tacoma Intl

$459

American Airlines

Nov 2

PDX10:45 pmPortland

15h 07m

1 stop

SJU5:52 pmSan Juan Luis Munoz Marin Intl

Dec 2

SJU7:00 amSan Juan Luis Munoz Marin Intl

18h 21m

1 stop

PDX9:21 pmPortland

$461

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 8/17

10:45 pm-12:50 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Tue 8/25

1:20 pm-10:15 pm

2 stops11h 55m

$436

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 8/18

11:16 pm-2:38 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

Tue 8/25

1:38 pm-11:59 pm

2 stops13h 21m

$454

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 9/2

8:21 pm-4:03 pm

1 stop16h 42m

San Juan Luis Munoz Marin Intl

Tue 9/8

7:00 am-10:56 pm

1 stop18h 56m

$459

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 8/4

5:00 am-8:38 pm

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Tue 9/8

7:00 am-2:52 pm

1 stop10h 52m

$481

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 8/12

7:00 am-8:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Tue 8/18

7:00 am-8:43 pm

2 stops16h 43m

$482

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 8/17

12:30 am-4:33 pm

2 stops13h 03m

San Juan Luis Munoz Marin Intl

Wed 8/26

7:30 am-10:02 pm

2 stops17h 32m

$511

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 8/18

5:30 am-10:29 pm

2 stops13h 59m

San Juan Luis Munoz Marin Intl

Tue 8/25

12:56 pm-11:59 pm

2 stops14h 03m

$569

PascoSan Juan

PSC - SJU

PSCSJU

Pasco Tri Cities

Tue 9/1

10:49 am-2:54 pm

2 stops25h 05m

San Juan Luis Munoz Marin Intl

Sat 9/5

3:44 pm-4:52 pm

2 stops28h 08m

$837

PortlandAguadilla

PDX - BQN

PDXBQN

Portland

Sun 6/28

11:29 pm-9:07 pm

2 stops18h 38m

Aguadilla Borinquen

Sun 7/5

4:45 am-10:34 pm

2 stops20h 49m

$966

SeattleAguadilla

SEA - BQN

SEABQN

Seattle/Tacoma Intl

Mon 7/6

10:19 pm-6:37 pm

1 stop17h 18m

Aguadilla Borinquen

Sat 7/11

2:38 pm-10:33 am

2 stops22h 55m

$1,000

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 State of Washington 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 May, then you should wait until February to fly from State of Washington, when ticket prices are also cheap, with an average price of $182.

How far in advance should I book a flight from Washington to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $590 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from State of Washington for as low as $502 on momondo.

Can stopping save me money on State of Washington to Puerto Rico flights?

You could potentially save up to 9% on your flight if you consider stops on a State of Washington to Puerto Rico flight.

Cheap State of Washington to Puerto Rico flight deals and tips

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

Fastest flight time	9h 24m
Direct flights	None

The fastest flight from State of Washington to Puerto Rico takes 9h 24m

There are no direct flights from State of Washington to Puerto Rico. There are no popular flight routes from State of Washington to Puerto Rico.

Search flight deals

Frequently asked questions about flying from Washington to Puerto Rico

When did momondo last update prices for flights from Washington to Puerto Rico?
Prices for flights from Washington to Puerto Rico are updated daily.
How many operators does momondo search for flights from Washington to Puerto Rico?
As of June 2026, there are 8 operators available to choose from for flights from Washington to Puerto Rico.
How old do you have to be to fly from Washington to Puerto Rico?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Puerto Rico

Compare and see reviews for airlines that fly from State of Washington to Puerto Rico with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $175	Free Cancellation	Rating 5.6 2,917 reviews	Search Frontier flights
JetBlue	PriceFrom $282	Free Cancellation	Rating 7.1 2,984 reviews	Search JetBlue flights
Delta	PriceFrom $328	Free Cancellation	Rating 7.9 8,395 reviews	Search Delta flights
United Airlines	PriceFrom $363	Free Cancellation	Rating 7.4 9,772 reviews	Search United Airlines flights
American Airlines	PriceFrom $365	Free Cancellation	Rating 7.1 11,639 reviews	Search American Airlines flights
Southwest	PriceFrom $434	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
Sun Country Air	PriceFrom $454	Free Cancellation	Rating 6.8 333 reviews	Search Sun Country Air flights
Alaska Airlines	PriceFrom $587	Free Cancellation	Rating 7.9 12,464 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Puerto Rico?

It is quick and easy to find Washington to Puerto Rico flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Puerto Rico that suits you.

Can I find flights from Washington to Puerto Rico with flexible booking policies on momondo?

Yes. All flights to Puerto Rico from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Puerto Rico?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Puerto Rico.

I’m not ready to book a flight from Washington to Puerto Rico right now. Can momondo alert me if prices change?

Price alerts on flights to Puerto Rico from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Puerto Rico trip

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Complete your trip

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Popular cities in Puerto Rico

Flights to San Juanfrom $158

Flights to Aguadillafrom $202

Flights to Poncefrom $197

Flights to Culebrafrom $531

Flights to Mayagüezfrom $444

Cheap flights from Washington to Puerto Rico from $227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Puerto Rico departing on 8/10. 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 State of Washington to Puerto Rico

Our best Delta deals on State of Washington to Puerto Rico flight tickets

American Airlines flights from State of Washington to Puerto Rico

Our best American Airlines deals on State of Washington to Puerto Rico flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Puerto Rico that are best for you.

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from State of Washington to Puerto Rico

What is the cheapest month to fly to Puerto Rico?

How far in advance should I book a flight from Washington to Puerto Rico?

Can stopping save me money on State of Washington to Puerto Rico flights?

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

What airlines fly to Puerto Rico?

How long is the flight from State of Washington to Puerto Rico?

Cheap State of Washington to Puerto Rico flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Puerto Rico

Best airlines flying from State of Washington to Puerto Rico

Compare and see reviews for airlines that fly from State of Washington 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

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According to popular flight searches on momondo this year

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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