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Caribbean

$161+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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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 July 25, 2025.

Round-trip from

$377
(Delta)

One-way from

$161
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$695
From Washington to Caribbean
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One-way flight from Washington to Caribbean
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Highest demand for flights based on searches. 3% potential increase in price ($18 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 July 2025
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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 July 25, 2025.

This Delta deal was found by Cheapflights users on 7/23. 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 9/236:00 amSEA - SJU
1 stop13h 00mDelta
Tue 9/307:30 amSJU - SEA
1 stop14h 21mDelta
Deal found 7/23$377
This JetBlue deal was found by Cheapflights users on 7/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:59 pmSEA - SJU
1 stop13h 44mJetBlue
Tue 9/301:25 pmSJU - SEA
1 stop11h 55mJetBlue
Deal found 7/24$378
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/207:34 pmSEA - SJU
2 stops14h 00mUnited Airlines
Fri 9/261:05 amSJU - SEA
2 stops13h 26mUnited Airlines
Deal found 7/23$398
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/167:00 amPDX - SJU
2 stops13h 57mUnited Airlines
Sat 9/201:25 pmSJU - PDX
1 stop11h 04mUnited Airlines
Deal found 7/24$399
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 9/1712:07 pmPDX - SJU
2 stops22h 46mSpirit Airlines
Mon 9/291:59 amSJU - PDX
3 stops20h 05mSpirit Airlines
Deal found 7/23$400
This American Airlines deal was found by Cheapflights users on 7/22. 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 10/117:10 amSEA - SJU
1 stop13h 44mAmerican Airlines
Tue 10/141:35 pmSJU - SEA
2 stops13h 52mAmerican Airlines
Deal found 7/22$402
This Southwest deal was found by Cheapflights users on 7/23. 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 9/175:35 amSEA - SJU
2 stops13h 55mSouthwest
Tue 9/305:00 amSJU - SEA
2 stops13h 20mSouthwest
Deal found 7/23$411
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/172:05 pmPDX - SJU
2 stops18h 06mAmerican Airlines
Tue 9/3012:01 pmSJU - PDX
2 stops15h 04mAmerican Airlines
Deal found 7/23$419
This Southwest deal was found by Cheapflights users on 7/23. 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.
Fri 9/199:05 pmPDX - SJU
1 stop12h 40mSouthwest
Mon 9/225:50 amSJU - PDX
1 stop13h 10mSouthwest
Deal found 7/23$441
This Mytrip deal was found by Cheapflights users on 7/22. 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.
Thu 8/217:52 pmPDX - SJU
3 stops25h 05mMultiple Airlines
Thu 8/2810:10 amSJU - PDX
3 stops31h 21mMultiple Airlines
Deal found 7/22$446
This Delta deal was found by Cheapflights users on 7/24. 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 12/35:55 amPDX - SJU
2 stops13h 55mDelta
Wed 12/102:26 pmSJU - PDX
1 stop13h 03mDelta
Deal found 7/24$447
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/175:43 pmSEA - POS
2 stops17h 33mAmerican Airlines
Wed 9/243:25 pmPOS - SEA
2 stops20h 56mAmerican Airlines
Deal found 7/23$449

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 July 25, 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 9/23

6:00 am-10:00 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Tue 9/30

7:30 am-6:51 pm

1 stop14h 21m

$377

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

11:59 pm-4:43 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:25 pm-10:20 pm

1 stop11h 55m

$378

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 9/20

7:34 pm-12:34 pm

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:05 am-11:31 am

2 stops13h 26m

$398

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 9/16

7:04 am-8:38 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Fri 9/19

1:05 am-9:18 am

1 stop11h 13m

$399

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 9/17

12:07 pm-1:53 pm

2 stops22h 46m

San Juan Luis Munoz Marin Intl

Mon 9/29

1:59 am-7:04 pm

3 stops20h 05m

$400

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 10/11

7:10 am-11:54 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Tue 10/14

1:35 pm-12:27 am

2 stops13h 52m

$402

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 9/17

5:35 am-10:30 pm

2 stops13h 55m

San Juan Luis Munoz Marin Intl

Tue 9/30

5:00 am-3:20 pm

2 stops13h 20m

$411

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 9/17

2:05 pm-11:11 am

2 stops18h 06m

San Juan Luis Munoz Marin Intl

Tue 9/30

12:01 pm-12:05 am

2 stops15h 04m

$419

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 9/19

9:05 pm-12:45 pm

1 stop12h 40m

San Juan Luis Munoz Marin Intl

Mon 9/22

5:50 am-4:00 pm

1 stop13h 10m

$441

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 8/21

7:52 pm-11:57 pm

3 stops25h 05m

San Juan Luis Munoz Marin Intl

Thu 8/28

10:10 am-2:31 pm

3 stops31h 21m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

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, September is the cheapest month in which you can book a flight from State of Washington to Caribbean (average of $254). Flying from State of Washington to Caribbean 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 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 July 25, 2025.

When flying from State of Washington to Caribbean, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. 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. Reviews last updated July 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington to Caribbean. 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

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,235 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,967 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,876 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $161 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $189 and Delta from $200 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, September is the cheapest month in which you can book a flight from State of Washington to Caribbean (average of $254). Flying from State of Washington to Caribbean 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

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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$689FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$175Average$803FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$252Average$691FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$270Average$707FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$336Average$703FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$678FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$447Average$885FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$484Average$730FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$632Average$784FlexibilityNo cancel feeOn-time67%

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