HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Caribbean

$149+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Caribbean with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Caribbean

Keep the following information in mind while searching for Washington to Caribbean flight deals. Data was last updated October 27, 2025.

Round-trip from

$372
(Frontier)

One-way from

$149
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$459
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 ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 October 27, 2025.

This Frontier deal was found by Cheapflights users on 10/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:52 pmPDX - SJU
2 stops21h 50mFrontier
Thu 11/203:59 amSJU - PDX
2 stops13h 09mFrontier
Deal found 10/27$372
This Southwest deal was found by Cheapflights users on 10/26. 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 12/96:15 amPDX - SJU
2 stops13h 05mSouthwest
Tue 12/168:55 amSJU - PDX
2 stops14h 25mSouthwest
Deal found 10/26$375
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/59:45 amSEA - SJU
1 stop10h 50mMultiple Airlines
Thu 12/111:27 pmSJU - SEA
1 stop23h 19mMultiple Airlines
Deal found 10/26$395
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 12/611:50 pmSEA - SJU
1 stop10h 50mUnited Airlines
Tue 12/92:05 amSJU - SEA
1 stop13h 11mUnited Airlines
Deal found 10/26$396
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/512:38 amSEA - MBJ
1 stop9h 42mAmerican Airlines
Sat 12/132:26 pmMBJ - SEA
1 stop11h 59mAmerican Airlines
Deal found 10/25$397
This Southwest deal was found by Cheapflights users on 10/26. 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 12/28:00 amPDX - SJU
2 stops12h 35mSouthwest
Wed 12/108:55 amSJU - PDX
2 stops13h 20mSouthwest
Deal found 10/26$397
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/59:45 amSEA - SJU
1 stop10h 50mMultiple Airlines
Sun 12/712:00 pmSJU - SEA
2 stops32h 36mMultiple Airlines
Deal found 10/26$403
This Frontier deal was found by Cheapflights users on 10/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:58 pmSEA - SJU
2 stops23h 12mFrontier
Mon 11/2410:22 pmSJU - SEA
2 stops17h 34mFrontier
Deal found 10/25$411
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:43 amSEA - SJU
2 stops26h 11mFrontier
Wed 11/123:59 amSJU - SEA
2 stops18h 33mFrontier
Deal found 10/26$412
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - SJU
2 stops21h 36mFrontier
Sat 1/107:01 pmSJU - SEA
2 stops21h 29mFrontier
Deal found 10/26$413
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:29 pmPDX - SJU
2 stops18h 25mFrontier
Fri 11/72:11 amSJU - PDX
2 stops13h 45mFrontier
Deal found 10/26$413
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:29 pmPDX - SJU
2 stops18h 25mFrontier
Thu 11/132:11 amSJU - PDX
2 stops13h 45mFrontier
Deal found 10/26$418

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 October 27, 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

Sun 12/7

7:11 pm-2:14 pm

2 stops15h 03m

San Juan Luis Munoz Marin Intl

Tue 12/16

7:00 am-8:35 pm

2 stops17h 35m

$396

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 2/17

7:00 am-12:36 am

2 stops13h 36m

San Juan Luis Munoz Marin Intl

Tue 2/24

2:25 pm-9:14 pm

1 stop10h 49m

$396

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 12/7

11:00 pm-2:14 pm

1 stop11h 14m

San Juan Luis Munoz Marin Intl

Wed 12/10

7:00 am-5:47 pm

1 stop14h 47m

$396

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Sat 12/6

11:50 pm-2:29 pm

1 stop11h 39m

Montego Bay Sangster Intl

Sat 12/13

1:40 pm-9:21 pm

1 stop10h 41m

$397

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Thu 1/8

12:45 pm-11:33 am

1 stop19h 48m

Montego Bay Sangster Intl

Fri 1/16

11:10 am-11:42 pm

1 stop15h 32m

$401

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Mon 1/12

10:25 pm-1:56 pm

1 stop12h 31m

Montego Bay Sangster Intl

Sat 1/17

8:00 am-7:00 pm

1 stop14h 00m

$411

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 1/20

11:05 pm-12:55 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-1:45 pm

2 stops15h 40m

$419

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 1/21

6:00 am-11:59 pm

2 stops13h 59m

San Juan Luis Munoz Marin Intl

Wed 1/28

2:15 pm-12:17 am

2 stops14h 02m

$419

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 2/15

6:35 am-12:05 am

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Thu 2/19

7:00 am-6:40 pm

2 stops15h 40m

$429

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 12/5

8:10 am-10:22 pm

1 stop10h 12m

San Juan Luis Munoz Marin Intl

Tue 12/9

2:05 am-11:16 am

1 stop13h 11m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 60 results
1
2
3
...
6

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 October 27, 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 11% 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, United Airlines, and American Airlines fly from State of Washington to Caribbean in about 13h 36m. The time it takes to get you to your destination can typically vary by up to 6h 12m. There are 3723 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 $182 on United Airlines. Other airlines that offer cheap prices include Delta from $191 and American Airlines from $210 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Cancún flights
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Miami flights
Newark to Cancún flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to Haneda flights
LaGuardia to Fort Lauderdale flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Orlando flights
Seattle to Los Angeles flights
LaGuardia to Miami flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Mexico City flights
O'Hare Intl to Cancún flights
San Francisco to John F Kennedy Intl flights
Newark to Dallas/Fort Worth flights
Dallas/Fort Worth to Newark flights
Newark to Miami flights
Dallas/Fort Worth to Las Vegas flights
Los Angeles to Seattle flights
Los Angeles to Newark flights
Newark to Orlando flights
Newark to Los Angeles flights
John F Kennedy Intl to Heathrow flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
O'Hare Intl to John F Kennedy Intl flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Dallas/Fort Worth to O'Hare Intl flights
San Francisco to Las Vegas flights
O'Hare Intl to Las Vegas flights
Hobby to Newark flights
Los Angeles to LaGuardia flights
Newark to Luis Munoz Marin Intl flights
Seattle to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Hobby flights
San Francisco to Los Angeles flights
Newark to Las Vegas flights
John F Kennedy Intl to Hobby flights
San Francisco to Newark flights
Seattle to Las Vegas flights

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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$701FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$175Average$698FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$208Average$422FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$270Average$683FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$327Average$625FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$671FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$351Average$714FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$447Average$810FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$470Average$739FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$632Average$914FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.