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$128+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
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 December 10, 2025.

This Delta deal was found by Cheapflights users on 12/8. 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 12/99:59 pmSEA - AUA
1 stop11h 56mDelta
Tue 12/164:35 pmAUA - SEA
1 stop11h 23mDelta
Deal found 12/8$430
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/910:08 pmSEA - PUJ
1 stop12h 24mAmerican Airlines
Tue 12/161:02 pmPUJ - SEA
1 stop14h 23mAmerican Airlines
Deal found 12/8$430
This Delta deal was found by Cheapflights users on 12/8. 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 12/83:47 pmSEA - MBJ
1 stop18h 17mDelta
Sun 12/143:38 pmMBJ - SEA
1 stop11h 20mDelta
Deal found 12/8$451
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/810:07 pmSEA - MBJ
2 stops13h 05mAmerican Airlines
Sun 12/1411:12 amMBJ - SEA
2 stops14h 49mAmerican Airlines
Deal found 12/8$461
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/315:23 amSEA - SJU
1 stop14h 04mAmerican Airlines
Sat 1/106:00 amSJU - SEA
1 stop20h 20mAmerican Airlines
Deal found 12/10$461
This Delta deal was found by Cheapflights users on 12/9. 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 12/1211:15 pmSEA - PUJ
1 stop10h 40mDelta
Tue 12/163:50 pmPUJ - SEA
1 stop12h 08mDelta
Deal found 12/9$464
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/1312:31 amSEA - PUJ
1 stop11h 58mAmerican Airlines
Wed 12/173:34 pmPUJ - SEA
1 stop11h 42mAmerican Airlines
Deal found 12/9$470
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/1012:41 pmSEA - PUJ
1 stop20h 51mAmerican Airlines
Tue 12/161:02 pmPUJ - SEA
1 stop14h 23mAmerican Airlines
Deal found 12/9$472
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/3012:43 pmSEA - STT
1 stop19h 57mAmerican Airlines
Mon 1/126:39 pmSTT - SEA
2 stops20h 22mAmerican Airlines
Deal found 12/9$473
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/1110:07 pmSEA - PUJ
1 stop10h 46mAmerican Airlines
Mon 12/152:29 pmPUJ - SEA
1 stop12h 56mAmerican Airlines
Deal found 12/10$481
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/1212:37 pmSEA - MBJ
1 stop18h 35mAmerican Airlines
Sun 12/1411:13 amMBJ - SEA
1 stop15h 03mAmerican Airlines
Deal found 12/8$486
This Delta deal was found by Cheapflights users on 12/7. 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 12/113:47 pmSEA - PUJ
1 stop17h 26mDelta
Sun 12/212:45 pmPUJ - SEA
1 stop12h 46mDelta
Deal found 12/7$489

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 December 10, 2025.

Round-trip from

$363
(American Airlines)

One-way from

$128
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$797
From Washington to Caribbean
Search Deals
One-way flight from Washington to Caribbean
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 10, 2025.
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

Tue 2/24

7:10 am-11:56 pm

1 stop12h 46m

San Juan Luis Munoz Marin Intl

Wed 3/4

7:00 am-12:09 am

2 stops21h 09m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 2/22

11:35 pm-2:40 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Thu 2/26

3:46 pm-11:00 pm

1 stop11h 14m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 2/21

6:05 am-11:58 pm

1 stop13h 53m

San Juan Luis Munoz Marin Intl

Tue 3/3

7:00 am-12:09 am

2 stops21h 09m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 1/28

7:00 am-9:26 pm

1 stop10h 26m

San Juan Luis Munoz Marin Intl

Thu 2/5

2:05 am-11:07 am

1 stop13h 02m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 3/3

9:55 pm-1:05 pm

1 stop11h 10m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:00 am-6:28 pm

2 stops14h 28m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 2/23

7:10 am-11:56 pm

1 stop12h 46m

San Juan Luis Munoz Marin Intl

Tue 3/3

7:00 am-12:09 am

2 stops21h 09m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 2/2

4:55 pm-1:06 pm

2 stops16h 11m

San Juan Luis Munoz Marin Intl

Fri 2/6

3:20 pm-9:49 pm

1 stop10h 29m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 1/12

7:10 am-11:57 pm

1 stop12h 47m

San Juan Luis Munoz Marin Intl

Wed 1/28

7:00 am-8:46 pm

2 stops17h 46m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 1/18

6:15 am-11:45 pm

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Thu 1/22

3:20 pm-9:49 pm

1 stop10h 29m

$363

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Thu 2/19

11:59 pm-2:59 pm

1 stop12h 00m

Montego Bay Sangster Intl

Wed 2/25

12:25 pm-9:08 pm

1 stop11h 43m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

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.

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

Find hourly flight availability from Washington to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 10, 2025.

When flying from State of Washington to Caribbean, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 13% versus a flight in the morning.

What is the cheapest day to fly from State of Washington to Caribbean?

Use this chart to determine the cheapest time to fly round-trip from Washington to Caribbean. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Caribbean flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Delta, American Airlines, and United Airlines fly from State of Washington to Caribbean in about 12h. The time it takes to get you to your destination can typically vary by up to 3h 30m. 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

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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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$686FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$175Average$476FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$208Average$422FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$270Average$678FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$327Average$570FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$676FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$362Average$721FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$494Average$744FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$544Average$828FlexibilityNo cancel feeOn-time83%
Air CanadaCheapest$632Average$945FlexibilityNo cancel feeOn-time67%

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