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Caribbean Islands

$146+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$356
(FlightHub)

One-way from

$146
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$596
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. 6% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/223:20 pmSEA - SJU
2 stops24h 30mSpirit Airlines
Thu 5/298:12 pmSJU - SEA
2 stops21h 13mSpirit Airlines
Deal found 4/30$356
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:59 pmSEA - SJU
2 stops13h 21mAmerican Airlines
Tue 9/301:55 pmSJU - SEA
1 stop13h 38mAmerican Airlines
Deal found 5/1$367
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 5/236:33 pmSEA - SJU
1 stop16h 14mMultiple Airlines
Tue 5/271:33 amSJU - SEA
2 stops25h 37mMultiple Airlines
Deal found 4/30$375
This Delta deal was found by Cheapflights users on 4/30. 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 12/310:55 pmPDX - SJU
1 stop11h 20mDelta
Wed 12/103:25 pmSJU - PDX
1 stop10h 29mDelta
Deal found 4/30$379
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/261:37 pmPDX - SJU
2 stops18h 54mSpirit Airlines
Mon 6/21:59 amSJU - PDX
2 stops17h 46mSpirit Airlines
Deal found 4/30$380
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/298:00 amSEA - SJU
2 stops12h 57mUnited Airlines
Fri 6/64:55 pmSJU - SEA
1 stop11h 04mUnited Airlines
Deal found 4/30$386
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/225:00 amPDX - SJU
1 stop9h 30mUnited Airlines
Sat 10/257:00 amSJU - PDX
2 stops16h 41mUnited Airlines
Deal found 4/29$397
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/105:58 pmSEA - PUJ
1 stop14h 53mMultiple Airlines
Wed 5/143:22 pmPUJ - SEA
2 stops26h 03mMultiple Airlines
Deal found 4/30$410
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/101:37 pmPDX - PUJ
2 stops21h 40mSpirit Airlines
Tue 6/173:23 pmPUJ - PDX
2 stops22h 54mSpirit Airlines
Deal found 4/30$413
This JetBlue deal was found by Cheapflights users on 5/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1311:35 pmPDX - SJU
1 stop14h 05mJetBlue
Thu 7/1712:35 pmSJU - PDX
1 stop12h 35mJetBlue
Deal found 5/1$422
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/203:20 pmSEA - PUJ
2 stops18h 35mSpirit Airlines
Wed 5/283:22 pmPUJ - SEA
2 stops26h 03mSpirit Airlines
Deal found 4/29$424
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/113:20 pmSEA - STT
2 stops15h 28mSpirit Airlines
Wed 6/1810:47 amSTT - SEA
2 stops31h 16mSpirit Airlines
Deal found 4/30$432

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 May 1, 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

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Thu 5/22

3:20 pm-6:50 pm

2 stops24h 30m

San Juan Luis Munoz Marin Intl

Thu 5/29

8:12 pm-2:25 pm

2 stops21h 13m

$356

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

11:59 pm-4:20 pm

2 stops13h 21m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:55 pm-12:33 am

1 stop13h 38m

$367

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/23

6:33 pm-1:47 pm

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Tue 5/27

1:33 am-12:10 am

2 stops25h 37m

$375

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 5/30

11:11 pm-12:45 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Wed 6/4

1:12 pm-11:15 pm

1 stop13h 03m

$379

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 5/26

1:37 pm-11:31 am

2 stops18h 54m

San Juan Luis Munoz Marin Intl

Mon 6/2

1:59 am-4:45 pm

2 stops17h 46m

$380

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Thu 5/29

8:00 am-11:57 pm

2 stops12h 57m

San Juan Luis Munoz Marin Intl

Fri 6/6

4:55 pm-12:59 am

1 stop11h 04m

$386

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 10/22

5:00 am-5:30 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Sat 10/25

7:00 am-8:41 pm

2 stops16h 41m

$397

PortlandPunta Cana

PDX - PUJ

PDXPUJ

Portland

Tue 6/10

1:37 pm-2:17 pm

2 stops21h 40m

Punta Cana

Tue 6/17

3:23 pm-11:17 am

2 stops22h 54m

$413

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sun 7/13

11:35 pm-4:40 pm

1 stop14h 05m

San Juan Luis Munoz Marin Intl

Thu 7/17

12:35 pm-10:10 pm

1 stop12h 35m

$422

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 5/20

3:20 pm-12:55 pm

2 stops18h 35m

Punta Cana

Wed 5/28

3:22 pm-2:25 pm

2 stops26h 03m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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 December is currently the most expensive (average of $336). 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 May 1, 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.

Rainfall in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean Islands ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean Islands when rainfall is around 2.2 in.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean Islands, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from Washington to Caribbean Islands, such as Delta, Alaska Airlines and Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,972 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Southwest
8.0
Very good
4,293 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $146. Delta flights start at $184 while deals on Alaska Airlines start at $204 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 December is currently the most expensive (average of $336). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$233Average$346FlexibilityNo cancel feeOn-time65%
FrontierCheapest$250Average$556FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$270Average$711FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$286Average$621FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$327Average$706FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$711FlexibilityNo cancel feeOn-time75%
DeltaCheapest$384Average$683FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$484Average$732FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$649Average$923FlexibilityNo cancel feeOn-time67%

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