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Puerto Rico

$195+ Cheap flights from Washington to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheap flight deals from Washington to Puerto Rico

Cheapest flights from Washington to Puerto Rico
Explore the most affordable flight options available from Washington to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:45 am
SEA
-
SJU
2 stops14h 10m
Delta
Sat 12/127:15 am
SJU
-
SEA
2 stops15h 15m
Delta
Deal found 6/23$464
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 am
PDX
-
SJU
1 stop9h 25m
United Airlines
Tue 11/172:21 pm
SJU
-
PDX
1 stop10h 47m
United Airlines
Deal found 6/23$466
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:21 pm
SEA
-
SJU
1 stop16h 50m
American Airlines
Tue 9/87:03 am
SJU
-
SEA
1 stop18h 53m
American Airlines
Deal found 6/23$469
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:34 pm
PDX
-
SJU
1 stop20h 41m
American Airlines
Thu 8/2012:55 am
SJU
-
PDX
1 stop13h 39m
American Airlines
Deal found 6/21$471
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:31 pm
SEA
-
SJU
1 stop18h 31m
American Airlines
Sat 10/243:42 pm
SJU
-
SEA
1 stop11h 33m
American Airlines
Deal found 6/20$477
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:20 am
SEA
-
SJU
2 stops12h 45m
Southwest
Mon 8/245:00 am
SJU
-
SEA
2 stops13h 00m
Southwest
Deal found 6/21$480
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
SEA
-
SJU
1 stop9h 38m
United Airlines
Fri 8/281:00 am
SJU
-
SEA
2 stops17h 29m
United Airlines
Deal found 6/20$481
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:35 pm
PDX
-
SJU
2 stops12h 15m
Southwest
Mon 8/245:30 am
SJU
-
PDX
1 stop12h 30m
Southwest
Deal found 6/21$481
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:59 pm
SEA
-
SJU
1 stop12h 13m
United Airlines
Mon 9/141:00 am
SJU
-
SEA
2 stops14h 48m
United Airlines
Deal found 6/20$483
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:40 pm
PDX
-
SJU
1 stop12h 04m
United Airlines
Tue 7/281:00 am
SJU
-
PDX
1 stop11h 25m
United Airlines
Deal found 6/23$487
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:33 pm
PDX
-
SJU
1 stop10h 24m
United Airlines
Tue 10/201:25 pm
SJU
-
PDX
1 stop11h 02m
United Airlines
Deal found 6/21$488
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:11 pm
SEA
-
SJU
2 stops12h 27m
American Airlines
Sat 9/57:03 am
SJU
-
SEA
1 stop18h 53m
American Airlines
Deal found 6/21$489

Find flight deals from Washington to Puerto Rico

Keep the following information in mind while searching for Washington to Puerto Rico flight deals. Data was last updated June 23, 2026.

Round-trip from

$464
(Delta)

One-way from

$195
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$656
From Washington to Puerto Rico
Search Deals
One-way flight from Washington to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
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

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Thu 11/12

7:20 am-11:55 pm

1 stop12h 35m

San Juan Luis Munoz Marin Intl

Mon 11/16

2:05 pm-10:12 pm

1 stop12h 07m

$464

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Thu 10/15

5:00 am-8:55 pm

2 stops12h 55m

San Juan Luis Munoz Marin Intl

Sat 10/24

12:10 pm-10:35 pm

2 stops13h 25m

$464

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 12/5

11:05 pm-2:00 pm

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Fri 12/11

1:55 pm-12:11 am

2 stops14h 16m

$464

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 12/2

7:20 am-11:55 pm

1 stop12h 35m

San Juan Luis Munoz Marin Intl

Wed 12/9

3:10 pm-10:05 pm

1 stop10h 55m

$464

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 12/5

11:05 pm-2:00 pm

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Wed 12/9

7:00 am-6:30 pm

2 stops15h 30m

$464

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 8/21

7:07 pm-12:34 pm

2 stops14h 27m

San Juan Luis Munoz Marin Intl

Sun 8/23

1:00 am-9:50 am

1 stop11h 50m

$466

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 9/21

11:17 pm-1:53 pm

1 stop11h 36m

San Juan Luis Munoz Marin Intl

Mon 9/28

2:55 pm-10:21 pm

1 stop10h 26m

$466

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 8/22

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Fri 8/28

1:00 am-3:29 pm

2 stops17h 29m

$481

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Mon 10/26

6:30 am-11:10 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Mon 11/2

11:20 am-12:05 am

2 stops16h 45m

$511
Quickest round-trip

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 10/11

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Sun 10/18

2:00 pm-8:49 pm

1 stop9h 49m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Puerto Rico

What is the cheapest month to book a flight from State of Washington to Puerto Rico?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Puerto Rico (average of $182). Flying from State of Washington to Puerto Rico in June is currently the most expensive (average of $454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from State of Washington to Puerto Rico?

The price you pay for your flight from State of Washington to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Washington to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Delta, Southwest, and United Airlines can get you from State of Washington to Puerto Rico in just under 12h 35m. Your travel time can differ by up to 1h 52m. Airlines will cover a distance of 3723 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Puerto Rico one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $161. American Airlines flights start at $182 while deals on Delta start at $192 one-way.

  • Can I find deals for flights from Washington to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Washington to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Puerto Rico.

  • Can I find deals for business class flights from Washington to Puerto Rico?

    Yes. Cheapflights offers flight deals from Washington to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Puerto Rico?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Puerto Rico (average of $182). Flying from State of Washington to Puerto Rico in June is currently the most expensive (average of $454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Santiago de los Caballeros flights
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John F Kennedy Intl to Montego Bay flights
Newark to Santo Domingo flights
Baltimore to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Newark to Montego Bay flights
LaGuardia to Punta Cana flights
Tampa to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
LaGuardia to Santo Domingo flights
Hobby to Luis Munoz Marin Intl flights
Boston to Punta Cana flights
Orlando to Santo Domingo flights
Atlanta to Punta Cana flights
Raleigh to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Orlando to Punta Cana flights
LaGuardia to Santiago de los Caballeros flights
Boston to Oranjestad flights
John F Kennedy Intl to Kingston flights
Newark to Nassau flights
Newark to Simpson Bay flights
Atlanta to Montego Bay flights
Miami to Santo Domingo flights
John F Kennedy Intl to Bridgetown flights
LaGuardia to Montego Bay flights
Philadelphia to Punta Cana flights
Newark to Providenciales flights
John F Kennedy Intl to Willemstad flights
Baltimore to Punta Cana flights

Top 8 airlines flying from Washington to Puerto Rico

Discover the top 8 airlines that operate flights from Washington to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$175Average$344FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$282Average$451FlexibilityNo cancel feeOn-time62%
DeltaCheapest$328Average$614FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$363Average$693FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$368Average$604FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$434Average$616FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$454Average$828FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$587Average$727FlexibilityNo cancel feeOn-time75%

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