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Caribbean

$140+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
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 February 5, 2026.

This American Airlines deal was found by Cheapflights users on 2/4. 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 3/210:08 pm
SEA
-
SJU
1 stop12h 55m
American Airlines
Tue 3/35:25 pm
SJU
-
SEA
1 stop10h 59m
American Airlines
Deal found 2/4$379
This Delta deal was found by Cheapflights users on 2/4. 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 9/186:00 pm
SEA
-
SJU
2 stops16h 16m
Delta
Sat 10/37:30 am
SJU
-
SEA
1 stop14h 22m
Delta
Deal found 2/4$384
This Trip.com deal was found by Cheapflights users on 2/4. 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.
Mon 2/2312:30 pm
SEA
-
STT
2 stops22h 01m
Multiple Airlines
Wed 3/43:36 pm
STT
-
SEA
2 stops24h 25m
Multiple Airlines
Deal found 2/4$385
This United Airlines deal was found by Cheapflights users on 2/4. 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 4/2711:59 pm
SEA
-
MBJ
2 stops13h 11m
United Airlines
Tue 5/52:40 pm
MBJ
-
SEA
2 stops22h 03m
United Airlines
Deal found 2/4$415
This Southwest deal was found by Cheapflights users on 2/4. 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.
Mon 4/276:15 pm
SEA
-
SJU
2 stops13h 20m
Southwest
Tue 5/55:05 am
SJU
-
SEA
2 stops16h 25m
Southwest
Deal found 2/4$416
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/237:00 am
SEA
-
SJU
1 stop10h 00m
United Airlines
Mon 2/232:05 am
SJU
-
SEA
1 stop13h 09m
United Airlines
Deal found 2/2$417
This United Airlines deal was found by Cheapflights users on 2/3. 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 5/55:05 am
SEA
-
SJU
1 stop9h 33m
United Airlines
Mon 5/113:56 pm
SJU
-
SEA
1 stop11h 01m
United Airlines
Deal found 2/3$418
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/411:59 pm
SEA
-
MBJ
1 stop10h 47m
United Airlines
Wed 3/112:20 pm
MBJ
-
SEA
1 stop10h 39m
United Airlines
Deal found 2/4$420
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/276:30 am
SEA
-
SJU
1 stop11h 08m
United Airlines
Mon 5/43:56 pm
SJU
-
SEA
1 stop11h 01m
United Airlines
Deal found 2/1$420
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Tue 3/107:00 am
PDX
-
PUJ
1 stop27h 03m
Multiple Airlines
Mon 3/165:39 pm
PUJ
-
PDX
1 stop26h 11m
Multiple Airlines
Deal found 2/1$421
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 3/107:00 am
PDX
-
PUJ
1 stop27h 03m
Multiple Airlines
Tue 3/175:39 pm
PUJ
-
PDX
1 stop26h 11m
Multiple Airlines
Deal found 2/2$423
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/216:00 am
GEG
-
SJU
1 stop14h 02m
American Airlines
Tue 4/286:45 am
SJU
-
GEG
1 stop13h 10m
American Airlines
Deal found 2/3$424

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 February 5, 2026.

Round-trip from

$379
(American Airlines)

One-way from

$140
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$535
From Washington to Caribbean
Search Deals
One-way flight from Washington to Caribbean
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 5, 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 5/1

11:59 pm-4:31 pm

2 stops13h 32m

San Juan Luis Munoz Marin Intl

Sat 5/9

1:55 pm-10:28 pm

1 stop11h 33m

$384

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/21

8:00 am-9:24 pm

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Mon 4/27

1:00 am-11:02 am

1 stop13h 02m

$384

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 3/24

6:00 am-11:15 pm

2 stops14h 15m

San Juan Luis Munoz Marin Intl

Wed 4/22

1:25 pm-10:31 pm

1 stop12h 06m

$384

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Mon 4/27

11:05 pm-11:43 am

1 stop10h 38m

Montego Bay Sangster Intl

Tue 5/5

2:40 pm-10:43 am

2 stops22h 03m

$415

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 2/23

7:00 am-9:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Mon 2/23

2:05 am-11:14 am

1 stop13h 09m

$417

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Sat 3/7

12:07 am-12:11 pm

1 stop9h 04m

Montego Bay Sangster Intl

Thu 3/12

12:28 pm-9:08 pm

1 stop10h 40m

$420

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Wed 3/4

11:59 pm-1:46 pm

1 stop10h 47m

Montego Bay Sangster Intl

Wed 3/11

2:20 pm-10:59 pm

1 stop10h 39m

$420

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Tue 3/17

3:30 pm-12:46 pm

2 stops19h 16m

Montego Bay Sangster Intl

Tue 3/24

2:20 pm-10:59 pm

1 stop10h 39m

$420

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 4/27

6:30 am-8:38 pm

1 stop11h 08m

San Juan Luis Munoz Marin Intl

Mon 5/4

3:56 pm-11:57 pm

1 stop11h 01m

$420

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/28

6:30 am-11:40 pm

2 stops14h 10m

San Juan Luis Munoz Marin Intl

Tue 5/5

8:10 am-9:35 pm

2 stops16h 25m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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 Delta, United Airlines, and Southwest fly from State of Washington to Caribbean in about 10h 24m. The time it takes to get you to your destination can typically vary by up to 3h 46m. 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 $119 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $166 and American Airlines from $166 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$680FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$175Average$344FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$191Average$341FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$268Average$660FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$282Average$529FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$708FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$363Average$692FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$368Average$762FlexibilityNo cancel feeOn-time67%
Sun Country AirCheapest$454Average$810FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$494Average$736FlexibilityNo cancel feeOn-time63%

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