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Puerto Rico

$102+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
May 5 — May 121
Mon 5/5
Mon 5/12
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 30, 2025.

Round-trip from

$357
(American Airlines)

One-way from

$102
(eDestinos)

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
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Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 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 30, 2025.

This Delta deal was found by Cheapflights users on 4/27. 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 11/19:20 pmSEA - SJU
1 stop12h 27mDelta
Sat 11/83:28 pmSJU - SEA
1 stop10h 57mDelta
Deal found 4/27$357
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/233:20 pmSEA - SJU
2 stops20h 10mSpirit Airlines
Thu 5/2912:36 pmSJU - SEA
2 stops14h 34mSpirit Airlines
Deal found 4/28$360
This American Airlines deal was found by Cheapflights users on 4/29. 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 9/2311:55 pmSEA - SJU
2 stops13h 25mAmerican Airlines
Tue 9/3011:55 amSJU - SEA
2 stops14h 01mAmerican Airlines
Deal found 4/29$367
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 6/27:14 amPDX - SJU
1 stop13h 28mDelta
Mon 6/91:31 pmSJU - PDX
2 stops13h 58mDelta
Deal found 4/28$369
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/2710:15 pmSEA - SJU
1 stop11h 19mUnited Airlines
Tue 6/37:45 amSJU - SEA
1 stop11h 35mUnited Airlines
Deal found 4/29$376
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Tue 5/135:40 pmPDX - SJU
3 stops38h 51mSpirit Airlines
Thu 5/151:59 amSJU - PDX
3 stops37h 43mSpirit Airlines
Deal found 4/29$384
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 9/1410:45 pmPDX - SJU
1 stop10h 15mUnited Airlines
Mon 9/227:00 amSJU - PDX
2 stops16h 37mUnited Airlines
Deal found 4/28$387
This CheapOair deal was found by Cheapflights users on 4/28. 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
Wed 5/281:33 amSJU - SEA
2 stops25h 37mMultiple Airlines
Deal found 4/28$403
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 7/157:05 pmGEG - SJU
2 stops15h 15mDelta
Wed 7/232:30 pmSJU - GEG
2 stops12h 34mDelta
Deal found 4/27$405
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Thu 6/1211:35 pmPDX - SJU
1 stop13h 14mJetBlue
Mon 6/1612:55 pmSJU - PDX
1 stop12h 20mJetBlue
Deal found 4/28$412
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/276:07 pmPDX - SJU
2 stops13h 52mAmerican Airlines
Tue 6/36:30 amSJU - PDX
2 stops13h 34mAmerican Airlines
Deal found 4/28$432
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/134:35 pmPDX - SJU
3 stops39h 04mMultiple Airlines
Thu 6/191:44 pmSJU - PDX
2 stops31h 00mMultiple Airlines
Deal found 4/29$440

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 30, 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

Sat 9/20

5:50 pm-2:19 pm

1 stop17h 29m

San Juan Luis Munoz Marin Intl

Sat 9/27

3:58 pm-12:33 am

1 stop11h 35m

$357

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/23

3:20 pm-2:30 pm

2 stops20h 10m

San Juan Luis Munoz Marin Intl

Thu 5/29

12:36 pm-12:10 am

2 stops14h 34m

$360

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 6/2

7:14 am-11:42 pm

1 stop13h 28m

San Juan Luis Munoz Marin Intl

Mon 6/9

1:31 pm-12:29 am

2 stops13h 58m

$369

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 5/27

10:15 pm-12:34 pm

1 stop11h 19m

San Juan Luis Munoz Marin Intl

Tue 6/3

7:45 am-4:20 pm

1 stop11h 35m

$376

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 5/13

5:40 pm-11:31 am

3 stops38h 51m

San Juan Luis Munoz Marin Intl

Thu 5/15

1:59 am-12:42 pm

3 stops37h 43m

$384

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

Wed 5/28

1:33 am-12:10 am

2 stops25h 37m

$403

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 7/15

7:05 pm-1:20 pm

2 stops15h 15m

San Juan Luis Munoz Marin Intl

Wed 7/23

2:30 pm-12:04 am

2 stops12h 34m

$405

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 6/12

11:35 pm-3:49 pm

1 stop13h 14m

San Juan Luis Munoz Marin Intl

Mon 6/16

12:55 pm-10:15 pm

1 stop12h 20m

$412

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 5/27

6:07 pm-10:59 am

2 stops13h 52m

San Juan Luis Munoz Marin Intl

Tue 6/3

6:30 am-5:04 pm

2 stops13h 34m

$432

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 6/13

4:35 pm-10:39 am

3 stops39h 04m

San Juan Luis Munoz Marin Intl

Thu 6/19

1:44 pm-5:44 pm

2 stops31h 00m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 51 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 30, 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 30, 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
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $102. Delta flights start at $185 while deals on Sun Country Air start at $217 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$233Average$346FlexibilityNo cancel feeOn-time65%
FrontierCheapest$250Average$584FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$286Average$521FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$296Average$718FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$327Average$629FlexibilityNo cancel feeOn-time71%
DeltaCheapest$384Average$603FlexibilityNo 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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