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$132+ Cheap flights from Washington to Caribbean

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jan 31 — Feb 71
Sat 1/31
Sat 2/7
1 adult, Economy
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Cheap flight deals from Washington to Caribbean

Cheapest flights from Washington to Caribbean
Explore the most affordable flight options available from Washington to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.

This Gotogate deal was found by Cheapflights users on 12/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 pmSEA - PUJ
2 stops14h 00mAir Canada
Wed 1/710:35 pmPUJ - SEA
1 stop27h 41mAir Canada
Deal found 12/30$686
This American Airlines deal was found by Cheapflights users on 12/30. 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 12/3110:13 pmSEA - AUA
1 stop14h 46mAmerican Airlines
Tue 1/63:42 pmAUA - SEA
2 stops21h 55mAmerican Airlines
Deal found 12/30$692
This Delta deal was found by Cheapflights users on 12/31. 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.
Wed 12/315:11 pmPDX - SJU
2 stops14h 45mDelta
Fri 1/96:15 amSJU - PDX
2 stops20h 39mDelta
Deal found 12/31$695
This Delta deal was found by Cheapflights users on 12/30. 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.
Wed 12/316:10 pmSEA - SJU
2 stops16h 04mDelta
Sat 1/106:15 amSJU - SEA
2 stops14h 25mDelta
Deal found 12/30$764
This American Airlines deal was found by Cheapflights users on 12/31. 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 12/3110:58 amPDX - SJU
1 stop18h 37mAmerican Airlines
Mon 1/52:31 pmSJU - PDX
1 stop14h 28mAmerican Airlines
Deal found 12/31$825
This American Airlines deal was found by Cheapflights users on 12/30. 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 12/3010:06 pmSEA - SJU
1 stop16h 01mAmerican Airlines
Mon 1/52:31 pmSJU - SEA
1 stop13h 11mAmerican Airlines
Deal found 12/30$845
This Southwest deal was found by Cheapflights users on 12/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:40 amSEA - SJU
2 stops13h 00mSouthwest
Tue 1/66:10 amSJU - SEA
2 stops15h 40mSouthwest
Deal found 12/29$870
This United Airlines deal was found by Cheapflights users on 12/31. 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.
Wed 12/3111:45 pmPDX - SJU
1 stop10h 55mUnited Airlines
Wed 1/72:15 pmSJU - PDX
1 stop11h 34mUnited Airlines
Deal found 12/31$875
This Delta deal was found by Cheapflights users on 12/30. 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 12/307:30 pmSEA - STT
2 stops14h 26mDelta
Mon 1/123:10 pmSTT - SEA
1 stop11h 40mDelta
Deal found 12/30$875
This United Airlines deal was found by Cheapflights users on 12/29. 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 12/305:02 amSEA - SJU
1 stop9h 23mUnited Airlines
Mon 1/52:05 amSJU - SEA
2 stops15h 52mUnited Airlines
Deal found 12/29$888
This Kiwi.com deal was found by Cheapflights users on 12/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:02 pmPDX - SJU
1 stop18h 11mMultiple Airlines
Wed 1/73:28 pmSJU - PDX
2 stops23h 47mMultiple Airlines
Deal found 12/31$908
This United Airlines deal was found by Cheapflights users on 12/31. 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.
Wed 12/312:45 pmPDX - SJU
2 stops11h 26mUnited Airlines
Wed 1/72:05 amSJU - PDX
2 stops23h 07mUnited Airlines
Deal found 12/31$910

Find flight deals from Washington to Caribbean

Keep the following information in mind while searching for Washington to Caribbean flight deals. Data was last updated January 1, 2026.

Round-trip from

$363
(Delta)

One-way from

$132
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$485
From Washington to Caribbean
Search Deals
One-way flight from Washington to Caribbean
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Caribbean 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 January 1, 2026.
Use the filters below to find and compare flights from Washington to Caribbean that are best for you.

Fly from

Washington

Fly to

Caribbean

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 1/30

12:24 pm-6:11 am

2 stops13h 47m

San Juan Luis Munoz Marin Intl

Fri 2/6

3:46 pm-10:59 pm

1 stop11h 13m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 1/31

9:59 pm-4:50 pm

1 stop14h 51m

San Juan Luis Munoz Marin Intl

Thu 2/5

3:55 pm-11:15 pm

1 stop11h 20m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 2/9

7:00 am-9:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Thu 2/19

8:05 am-7:03 pm

2 stops14h 58m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 1/24

7:10 am-11:57 pm

1 stop12h 47m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:30 am-8:46 pm

2 stops17h 16m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 2/2

11:10 pm-2:10 pm

1 stop11h 00m

San Juan Luis Munoz Marin Intl

Thu 2/5

3:55 pm-11:15 pm

1 stop11h 20m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 2/25

6:10 am-11:58 pm

2 stops13h 48m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:15 am-8:46 pm

2 stops18h 31m

$364

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 1/30

6:45 am-12:35 am

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:00 am-6:40 pm

2 stops15h 40m

$394

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 2/10

7:35 am-10:26 pm

1 stop10h 51m

San Juan Luis Munoz Marin Intl

Tue 2/17

1:58 pm-11:04 pm

2 stops13h 06m

$394

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 2/1

5:00 am-9:00 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Tue 2/10

8:10 am-6:26 pm

2 stops14h 16m

$397

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Fri 2/27

6:13 pm-10:07 am

2 stops12h 54m

Montego Bay Sangster Intl

Sat 3/7

3:53 pm-11:07 pm

1 stop10h 14m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

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

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

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

Currently, April is the cheapest month in which you can book a flight from State of Washington to Caribbean (average of $159). Flying from State of Washington to Caribbean in July 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.

Related info for your journey

Find useful and relevant information for your journey from Washington to Caribbean. 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 Caribbean?

    Airlines like United Airlines, Delta, and American Airlines fly from State of Washington to Caribbean in about 12h 54m. The time it takes to get you to your destination can typically vary by up to 1h 57m. There are 3191 mi between State of Washington and Caribbean. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $119 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $166 and JetBlue from $170 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Caribbean 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?

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Caribbean (average of $159). Flying from State of Washington to Caribbean in July 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

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Alternative routes for Washington to Caribbean

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

Discover the top 10 airlines that operate flights from Washington to Caribbean. 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 January 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$677FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$175Average$344FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$208Average$422FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$270Average$665FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$327Average$550FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$675FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$363Average$705FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$494Average$743FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$544Average$828FlexibilityNo cancel feeOn-time83%
Air CanadaCheapest$632Average$841FlexibilityNo cancel feeOn-time67%

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