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$111+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Round-trip from

$333
(CheapOair)

One-way from

$112
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$532
From Washington to Puerto Rico
Search Deals
One-way flight from Washington to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 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 February 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 February 23, 2025.

This CheapOair deal was found by Cheapflights users on 2/22. 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.
Sun 3/97:32 pmPDX - SJU
2 stops23h 18mSpirit Airlines
Wed 3/1212:05 pmSJU - PDX
2 stops28h 33mSpirit Airlines
Deal found 2/22$333
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/127:57 pmSEA - SJU
3 stops17h 37mSpirit Airlines
Wed 3/265:52 amSJU - SEA
2 stops29h 51mSpirit Airlines
Deal found 2/21$350
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Fri 5/212:59 amSEA - SJU
1 stop10h 28mAmerican Airlines
Tue 5/66:10 amSJU - SEA
1 stop19h 54mAmerican Airlines
Deal found 2/22$357
This JetBlue deal was found by Cheapflights users on 2/22. 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 3/2811:48 pmSEA - SJU
1 stop13h 29mJetBlue
Fri 4/412:06 pmSJU - SEA
1 stop13h 21mJetBlue
Deal found 2/22$358
This Mytrip deal was found by Cheapflights users on 2/22. 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 3/1112:41 pmSEA - SJU
2 stops32h 42mMultiple Airlines
Tue 3/186:18 amSJU - SEA
1 stop16h 52mMultiple Airlines
Deal found 2/22$360
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/15:57 pmPDX - SJU
2 stops13h 58mAmerican Airlines
Wed 4/96:21 amSJU - PDX
1 stop20h 07mAmerican Airlines
Deal found 2/22$369
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:44 pmGEG - SJU
2 stops33h 59mMultiple Airlines
Tue 3/41:30 amSJU - GEG
2 stops35h 12mMultiple Airlines
Deal found 2/21$404
This Delta deal was found by Cheapflights users on 2/22. 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.
Sun 4/275:00 amGEG - SJU
2 stops15h 48mDelta
Tue 5/62:20 pmSJU - GEG
2 stops11h 47mDelta
Deal found 2/22$405
This CheapOair deal was found by Cheapflights users on 2/22. 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.
Sat 5/1011:10 amPDX - SJU
2 stops19h 46mMultiple Airlines
Sat 5/174:15 pmSJU - PDX
1 stop28h 16mMultiple Airlines
Deal found 2/22$420
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Mon 3/313:24 pmSEA - SJU
2 stops19h 21mUnited Airlines
Tue 4/11:05 amSJU - SEA
1 stop13h 03mUnited Airlines
Deal found 2/21$442
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/253:48 pmSEA - SJU
2 stops23h 40mFrontier
Thu 3/610:35 pmSJU - SEA
2 stops38h 25mFrontier
Deal found 2/21$448
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/283:21 pmGEG - SJU
2 stops16h 38mAmerican Airlines
Tue 5/66:20 amSJU - GEG
1 stop17h 53mAmerican Airlines
Deal found 2/22$455

Find flights from Washington to Puerto Rico within your budget

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 February 23, 2025.

Fly from

Washington

Fly to

Puerto Rico

Route

Depart

Return

Price

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sun 3/9

7:32 pm-9:50 pm

2 stops23h 18m

San Juan Luis Munoz Marin Intl

Wed 3/12

12:05 pm-1:38 pm

2 stops28h 33m

$333

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 3/12

7:57 pm-4:34 pm

3 stops17h 37m

San Juan Luis Munoz Marin Intl

Wed 3/26

5:52 am-8:43 am

2 stops29h 51m

$350

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/2

12:59 am-2:27 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Tue 5/6

6:10 am-11:04 pm

1 stop19h 54m

$357

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 3/28

11:48 pm-4:17 pm

1 stop13h 29m

San Juan Luis Munoz Marin Intl

Fri 4/4

12:06 pm-10:27 pm

1 stop13h 21m

$358

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 3/11

12:41 pm-12:23 am

2 stops32h 42m

San Juan Luis Munoz Marin Intl

Tue 3/18

6:18 am-8:10 pm

1 stop16h 52m

$360

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 4/1

5:57 pm-10:55 am

2 stops13h 58m

San Juan Luis Munoz Marin Intl

Wed 4/9

6:21 am-11:28 pm

1 stop20h 07m

$369

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 4/27

5:00 am-11:48 pm

2 stops15h 48m

San Juan Luis Munoz Marin Intl

Tue 5/6

2:20 pm-11:07 pm

2 stops11h 47m

$405

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sat 5/10

11:10 am-9:56 am

2 stops19h 46m

San Juan Luis Munoz Marin Intl

Sat 5/17

4:15 pm-5:31 pm

1 stop28h 16m

$420

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 3/31

11:59 pm-2:44 pm

1 stop11h 45m

San Juan Luis Munoz Marin Intl

Tue 4/1

1:05 am-11:08 am

1 stop13h 03m

$442

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 2/25

3:48 pm-7:28 pm

2 stops23h 40m

San Juan Luis Munoz Marin Intl

Thu 3/6

10:35 pm-9:00 am

2 stops38h 25m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 46 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.

Travel insights for flights from Washington to Puerto Rico

Get recent, data-driven insights about flights from Washington to Puerto Rico including ideal travel times, pricing trends, and more.

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 March is currently the most expensive (average of $363). 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 February 23, 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 February 23, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and JetBlue 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
9,706 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,203 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

JetBlue
7.4
Good
3,068 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,754 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $116. American Airlines flights start at $179 while deals on Delta start at $203 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 March is currently the most expensive (average of $363). 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

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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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$241Average$384FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$286Average$516FlexibilityNo cancel feeOn-time62%
FrontierCheapest$290Average$584FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$296Average$734FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$661FlexibilityNo cancel feeOn-time71%
DeltaCheapest$384Average$700FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$425Average$743FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$484Average$646FlexibilityNo cancel feeOn-time63%
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