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Puerto Rico

$149+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap 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 April 25, 2025.

Round-trip from

$358
(JetBlue)

One-way from

$149
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$590
From Washington to Puerto Rico
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One-way flight from Washington to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 25, 2025.

This United Airlines deal was found by Cheapflights users on 4/24. 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 10/207:00 pmSEA - SJU
2 stops14h 00mUnited Airlines
Mon 10/271:25 pmSJU - SEA
1 stop12h 34mUnited Airlines
Deal found 4/24$357
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/139:14 pmSEA - SJU
1 stop13h 50mJetBlue
Mon 6/1612:55 pmSJU - SEA
1 stop11h 58mJetBlue
Deal found 4/25$358
This Delta deal was found by Cheapflights users on 4/24. 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.
Fri 8/2210:55 pmPDX - SJU
1 stop11h 15mDelta
Fri 9/512:43 pmSJU - PDX
1 stop11h 52mDelta
Deal found 4/24$369
This CheapOair deal was found by Cheapflights users on 4/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2311:59 pmSEA - SJU
1 stop10h 48mMultiple Airlines
Thu 5/298:12 pmSJU - SEA
2 stops21h 13mMultiple Airlines
Deal found 4/24$383
This Mytrip deal was found by Cheapflights users on 4/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:40 pmPDX - SJU
2 stops25h 58mMultiple Airlines
Thu 5/298:12 pmSJU - PDX
3 stops22h 38mMultiple Airlines
Deal found 4/24$383
This Mytrip deal was found by Cheapflights users on 4/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:40 pmPDX - SJU
2 stops25h 58mSpirit Airlines
Wed 5/281:33 amSJU - PDX
2 stops38h 09mSpirit Airlines
Deal found 4/24$384
This Booking.com deal was found by Cheapflights users on 4/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:00 amSEA - SJU
2 stops26h 31mSpirit Airlines
Fri 6/131:27 amSJU - SEA
2 stops16h 36mSpirit Airlines
Deal found 4/24$385
This Delta deal was found by Cheapflights users on 4/24. 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.
Thu 5/2911:50 pmSEA - SJU
2 stops13h 43mDelta
Tue 6/32:31 pmSJU - SEA
1 stop10h 29mDelta
Deal found 4/24$392
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Sat 9/63:46 pmGEG - SJU
2 stops16h 29mAmerican Airlines
Sat 9/205:25 pmSJU - GEG
2 stops22h 10mAmerican Airlines
Deal found 4/25$405
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 9/911:55 pmSEA - SJU
2 stops11h 52mAmerican Airlines
Tue 9/1611:55 amSJU - SEA
1 stop15h 38mAmerican Airlines
Deal found 4/25$431
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/2610:24 pmPDX - SJU
1 stop9h 35mAmerican Airlines
Tue 6/31:30 pmSJU - PDX
2 stops13h 29mAmerican Airlines
Deal found 4/24$432
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 9/27:35 pmPDX - SJU
2 stops15h 10mUnited Airlines
Mon 9/81:05 amSJU - PDX
1 stop10h 48mUnited Airlines
Deal found 4/25$455

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 April 25, 2025.
Use the filters below to find and compare flights from Washington to Puerto Rico that are best for you.

Fly from

Washington

Fly to

Puerto Rico

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 6/13

9:14 pm-2:04 pm

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Mon 6/16

12:55 pm-9:53 pm

1 stop11h 58m

$358

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 5/19

5:35 am-11:42 pm

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Mon 6/16

1:31 pm-12:29 am

2 stops13h 58m

$369

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/23

11:59 pm-1:47 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Thu 5/29

8:12 pm-2:25 pm

2 stops21h 13m

$383

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 5/23

5:40 pm-10:38 pm

2 stops25h 58m

San Juan Luis Munoz Marin Intl

Thu 5/29

8:12 pm-3:50 pm

3 stops22h 38m

$383

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 5/23

5:40 pm-10:38 pm

2 stops25h 58m

San Juan Luis Munoz Marin Intl

Wed 5/28

1:33 am-12:42 pm

2 stops38h 09m

$384

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 6/7

6:00 am-11:31 am

2 stops26h 31m

San Juan Luis Munoz Marin Intl

Fri 6/13

1:27 am-3:03 pm

2 stops16h 36m

$385

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Thu 5/29

11:50 pm-4:33 pm

2 stops13h 43m

San Juan Luis Munoz Marin Intl

Tue 6/3

2:31 pm-10:00 pm

1 stop10h 29m

$392

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 9/6

3:46 pm-11:15 am

2 stops16h 29m

San Juan Luis Munoz Marin Intl

Sat 9/20

5:25 pm-12:35 pm

2 stops22h 10m

$405

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 6/7

11:24 pm-1:45 pm

1 stop11h 21m

San Juan Luis Munoz Marin Intl

Sat 6/14

4:55 pm-12:59 am

1 stop11h 04m

$405

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 5/28

12:24 am-8:09 pm

1 stop16h 45m

San Juan Luis Munoz Marin Intl

Tue 6/3

3:35 pm-11:07 pm

1 stop10h 32m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 48 results
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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, September is the cheapest month in which you can book a flight from State of Washington to Puerto Rico (average of $254). Flying from State of Washington to Puerto Rico in December is currently the most expensive (average of $336). 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.

What is the cheapest time of day to fly from WA to PR?

Find hourly flight availability from Washington to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

When flying from State of Washington to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated April 25, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington to Puerto Rico to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $149. United Airlines flights start at $179 while deals on JetBlue start at $180 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, September is the cheapest month in which you can book a flight from State of Washington to Puerto Rico (average of $254). Flying from State of Washington to Puerto Rico in December is currently the most expensive (average of $336). 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

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Alternative routes for Washington to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington to Puerto Rico

Discover the top 9 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$233Average$346FlexibilityNo cancel feeOn-time65%
FrontierCheapest$250Average$584FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$286Average$526FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$296Average$712FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$327Average$659FlexibilityNo cancel feeOn-time71%
DeltaCheapest$384Average$605FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$425Average$815FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$484Average$664FlexibilityNo cancel feeOn-time63%

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