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Caribbean Islands

$160+ Cheap flights from Washington to Caribbean Islands

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Aug 11 — Aug 181
Mon 8/11
Mon 8/18
1 adult, Economy
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Cheap flight deals from Washington to Caribbean Islands

Keep the following information in mind while searching for Washington to Caribbean Islands flight deals. Data was last updated August 6, 2025.

Round-trip from

$359
(Mytrip)

One-way from

$160
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$657
From Washington to Caribbean Islands
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One-way flight from Washington to Caribbean Islands
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Highest demand for flights based on searches. 2% potential increase in price ($14 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 August 2025
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Find flight deals from Washington to Caribbean Islands

Cheapest flights from Washington to Caribbean Islands
Explore the most affordable flight options available from Washington to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2025.

This Mytrip deal was found by Cheapflights users on 8/5. 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 9/2412:07 pmPDX - SJU
2 stops22h 36mSpirit Airlines
Sun 9/2811:59 amSJU - PDX
3 stops34h 24mSpirit Airlines
Deal found 8/5$359
This Trip.com deal was found by Cheapflights users on 8/5. 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 10/1311:40 pmSEA - SJU
1 stop14h 02mJetBlue
Fri 10/172:05 pmSJU - SEA
1 stop11h 05mJetBlue
Deal found 8/5$362
This Trip.com deal was found by Cheapflights users on 8/4. 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.
Tue 10/1411:40 pmSEA - SJU
1 stop14h 02mJetBlue
Tue 10/2112:50 pmSJU - SEA
1 stop12h 20mJetBlue
Deal found 8/4$363
This Trip.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/2311:59 pmSEA - SJU
1 stop11h 57mJetBlue
Tue 9/301:25 pmSJU - SEA
1 stop11h 55mJetBlue
Deal found 8/6$366
This Mytrip deal was found by Cheapflights users on 8/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:04 pmPDX - SJU
3 stops26h 39mSpirit Airlines
Tue 10/283:19 pmSJU - PDX
3 stops30h 45mSpirit Airlines
Deal found 8/4$369
This Mytrip deal was found by Cheapflights users on 8/5. 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 9/2512:07 pmPDX - SJU
3 stops23h 04mSpirit Airlines
Sun 9/2811:59 amSJU - PDX
3 stops34h 24mSpirit Airlines
Deal found 8/5$370
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/2211:10 pmSEA - SJU
1 stop11h 35mUnited Airlines
Tue 9/231:05 amSJU - SEA
1 stop12h 40mUnited Airlines
Deal found 8/6$372
This Delta deal was found by Cheapflights users on 8/6. 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
Fri 9/267:30 amSJU - SEA
1 stop11h 55mDelta
Deal found 8/6$377
This JetBlue deal was found by Cheapflights users on 8/6. 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.
Mon 9/2211:59 pmSEA - SJU
1 stop11h 57mJetBlue
Fri 9/261:29 pmSJU - SEA
1 stop11h 55mJetBlue
Deal found 8/6$378
This Priceline deal was found by Cheapflights users on 8/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:40 pmSEA - SJU
1 stop14h 03mJetBlue
Sun 10/53:03 amSJU - SEA
1 stop22h 07mJetBlue
Deal found 8/5$379
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Thu 9/187:25 amSEA - SJU
2 stops13h 12mAmerican Airlines
Thu 9/251:37 pmSJU - SEA
2 stops12h 22mAmerican Airlines
Deal found 8/4$380
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Sun 9/711:54 pmSEA - SJU
1 stop11h 50mUnited Airlines
Thu 9/111:05 amSJU - SEA
2 stops15h 25mUnited Airlines
Deal found 8/4$382

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Caribbean Islands 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 August 6, 2025.
Use the filters below to find and compare flights from Washington to Caribbean Islands that are best for you.

Fly from

Washington

Fly to

Caribbean Islands

Route

Depart

Return

Price

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 9/24

12:07 pm-1:43 pm

2 stops22h 36m

San Juan Luis Munoz Marin Intl

Sun 9/28

11:59 am-7:23 pm

3 stops34h 24m

$359

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 10/13

11:40 pm-4:42 pm

1 stop14h 02m

San Juan Luis Munoz Marin Intl

Fri 10/17

2:05 pm-10:10 pm

1 stop11h 05m

$362

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 10/14

11:40 pm-4:42 pm

1 stop14h 02m

San Juan Luis Munoz Marin Intl

Tue 10/21

12:50 pm-10:10 pm

1 stop12h 20m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

11:59 pm-2:56 pm

1 stop11h 57m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:25 pm-10:20 pm

1 stop11h 55m

$366

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 10/21

8:04 pm-1:43 am

3 stops26h 39m

San Juan Luis Munoz Marin Intl

Tue 10/28

3:19 pm-7:04 pm

3 stops30h 45m

$369

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 9/25

12:07 pm-2:11 pm

3 stops23h 04m

San Juan Luis Munoz Marin Intl

Sun 9/28

11:59 am-7:23 pm

3 stops34h 24m

$370

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 9/22

11:10 pm-1:45 pm

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Tue 9/23

1:05 am-10:45 am

1 stop12h 40m

$372

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

Fri 9/26

7:30 am-4:25 pm

1 stop11h 55m

$377

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 9/22

11:59 pm-2:56 pm

1 stop11h 57m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:29 pm-10:24 pm

1 stop11h 55m

$378

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Thu 10/2

11:40 pm-4:43 pm

1 stop14h 03m

San Juan Luis Munoz Marin Intl

Sun 10/5

3:03 am-10:10 pm

1 stop22h 07m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

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

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

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

Currently, September is the cheapest month in which you can book a flight from State of Washington to Caribbean Islands (average of $254). Flying from State of Washington to Caribbean Islands 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 EPX?

Find hourly flight availability from Washington to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 6, 2025.

When flying from State of Washington to Caribbean Islands, 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 Islands

Get insights into the airlines that provide service to Caribbean Islands. 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 Islands. Reviews last updated August 6, 2025.
Read through reviews of airlines operating flights from Washington to Caribbean Islands, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,985 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,917 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Washington to Caribbean Islands. 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 Islands one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $160. Delta flights start at $166 while deals on American Airlines start at $172 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Caribbean Islands 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 Islands?

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

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 Islands

Discover the top 10 airlines that operate flights from Washington to Caribbean Islands. 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 August 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$697FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$175Average$818FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$252Average$660FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$270Average$707FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$337Average$733FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$678FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$447Average$885FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$484Average$733FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$632Average$784FlexibilityNo cancel feeOn-time67%

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