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Caribbean Islands

$173+ Cheap flights from Washington to Caribbean Islands

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Washington to Caribbean Islands

Keep the following information in mind while searching for Washington to Caribbean Islands flight deals. Data was last updated June 18, 2025.

Round-trip from

$329
(American Airlines)

One-way from

$173
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$650
From Washington to Caribbean Islands
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One-way flight from Washington to Caribbean Islands
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Washington to Caribbean Islands

Cheapest flights from Washington to Caribbean Islands
Explore the most affordable flight options available from Washington to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 9/149:52 pmSEA - PUJ
1 stop14h 33mAmerican Airlines
Tue 9/303:25 pmPUJ - SEA
2 stops20h 54mAmerican Airlines
Deal found 6/18$329
This FlightHub deal was found by Cheapflights users on 6/17. 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.
Tue 7/86:39 pmPDX - SJU
2 stops13h 53mSpirit Airlines
Tue 7/154:43 pmSJU - PDX
2 stops24h 32mSpirit Airlines
Deal found 6/17$375
This Delta deal was found by Cheapflights users on 6/18. 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 10/69:55 pmSEA - PUJ
1 stop11h 37mDelta
Sat 10/112:14 pmPUJ - SEA
1 stop12h 31mDelta
Deal found 6/18$395
This American Airlines deal was found by Cheapflights users on 6/18. 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 9/299:56 pmPDX - SJU
1 stop14h 56mAmerican Airlines
Mon 10/63:05 pmSJU - PDX
1 stop10h 59mAmerican Airlines
Deal found 6/18$399
This Delta deal was found by Cheapflights users on 6/16. 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 8/307:19 amPDX - SJU
1 stop13h 32mDelta
Thu 9/412:50 pmSJU - PDX
1 stop12h 22mDelta
Deal found 6/16$409
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Wed 7/165:30 pmSEA - STT
2 stops16h 00mSpirit Airlines
Wed 7/234:05 pmSTT - SEA
2 stops27h 20mSpirit Airlines
Deal found 6/16$423
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/512:20 amSEA - PUJ
2 stops12h 15mUnited Airlines
Tue 8/124:35 pmPUJ - SEA
1 stop11h 21mUnited Airlines
Deal found 6/16$425
This FlightHub deal was found by Cheapflights users on 6/18. 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 8/85:30 pmSEA - SJU
2 stops25h 20mSpirit Airlines
Sun 8/101:37 amSJU - SEA
2 stops17h 48mSpirit Airlines
Deal found 6/18$427
This Mytrip deal was found by Cheapflights users on 6/18. 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 7/114:37 pmPDX - SJU
3 stops29h 58mMultiple Airlines
Sat 7/191:27 amSJU - PDX
3 stops34h 51mMultiple Airlines
Deal found 6/18$438
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 9/176:40 pmPDX - SJU
2 stops12h 35mSouthwest
Sun 9/215:05 amSJU - PDX
2 stops18h 35mSouthwest
Deal found 6/17$447
This American Airlines deal was found by Cheapflights users on 6/15. 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 11/51:24 amSEA - SJU
1 stop9h 16mAmerican Airlines
Tue 11/112:50 pmSJU - SEA
1 stop10h 59mAmerican Airlines
Deal found 6/15$451
This Mytrip deal was found by Cheapflights users on 6/18. 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 7/225:30 pmSEA - SJU
2 stops19h 00mMultiple Airlines
Sun 7/271:37 amSJU - SEA
2 stops24h 10mMultiple Airlines
Deal found 6/18$458

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Caribbean Islands 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 18, 2025.
Use the filters below to find and compare flights from Washington to Caribbean Islands that are best for you.

Fly from

Washington

Fly to

Caribbean Islands

Route

Depart

Return

Price

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Sun 9/14

9:52 pm-3:25 pm

1 stop14h 33m

Punta Cana

Tue 9/30

3:25 pm-9:19 am

2 stops20h 54m

$329

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 7/8

6:39 pm-11:32 am

2 stops13h 53m

San Juan Luis Munoz Marin Intl

Tue 7/15

4:43 pm-2:15 pm

2 stops24h 32m

$375

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 9/29

9:56 pm-3:52 pm

1 stop14h 56m

San Juan Luis Munoz Marin Intl

Mon 10/6

3:05 pm-11:04 pm

1 stop10h 59m

$399

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sat 8/30

7:19 am-11:51 pm

1 stop13h 32m

San Juan Luis Munoz Marin Intl

Thu 9/4

12:50 pm-10:12 pm

1 stop12h 22m

$409

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Wed 7/16

5:30 pm-12:30 pm

2 stops16h 00m

Saint Thomas Island Cyril E King

Wed 7/23

4:05 pm-4:25 pm

2 stops27h 20m

$423

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 8/5

12:20 am-3:35 pm

2 stops12h 15m

Punta Cana

Tue 8/12

4:35 pm-12:56 am

1 stop11h 21m

$425

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 8/8

5:30 pm-9:50 pm

2 stops25h 20m

San Juan Luis Munoz Marin Intl

Sun 8/10

1:37 am-4:25 pm

2 stops17h 48m

$427

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 7/11

4:37 pm-1:35 am

3 stops29h 58m

San Juan Luis Munoz Marin Intl

Sat 7/19

1:27 am-9:18 am

3 stops34h 51m

$438

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 9/17

6:40 pm-10:15 am

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Sun 9/21

5:05 am-8:40 pm

2 stops18h 35m

$447

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 7/22

5:30 pm-3:30 pm

2 stops19h 00m

San Juan Luis Munoz Marin Intl

Sun 7/27

1:37 am-10:47 pm

2 stops24h 10m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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 Caribbean Islands

What is the cheapest month to book a flight from State of Washington to Caribbean Islands?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Caribbean Islands (average of $254). Flying from State of Washington to Caribbean Islands in June is currently the most expensive (average of $339). 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 EPX?

Find hourly flight availability from Washington to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from State of Washington to Caribbean Islands, 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 Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean Islands 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 Caribbean Islands when rainfall is around 2.2 in.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean Islands, 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 Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. 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 Caribbean Islands. Reviews last updated June 18, 2025.
Read through reviews of airlines operating flights from Washington to Caribbean Islands, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
JetBlue
7.3
Good
2,923 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Caribbean Islands. 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 Caribbean Islands one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $173. American Airlines flights start at $189 while deals on JetBlue start at $190 one-way.

  • Can I find deals for flights from Washington to Caribbean Islands that include hotel bookings?

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

  • How can I find direct flights from Washington to Caribbean Islands?

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

  • Can I find deals for business class flights from Washington to Caribbean Islands?

    Yes. Cheapflights offers flight deals from Washington to Caribbean Islands 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 Caribbean Islands?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Caribbean Islands (average of $254). Flying from State of Washington to Caribbean Islands in June is currently the most expensive (average of $339). 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 Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington to Caribbean Islands

Discover the top 10 airlines that operate flights from Washington to Caribbean Islands. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$683FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$194Average$798FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$252Average$654FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$270Average$700FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$331Average$693FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$705FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$466Average$723FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$648Average$802FlexibilityNo cancel feeOn-time67%

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