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Caribbean Islands

$137+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Round-trip from

$347
(Mytrip)

One-way from

$142
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$589
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. 5% potential increase in price ($34 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 April 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 April 3, 2025.

This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/103:20 pmSEA - SJU
2 stops18h 24mSpirit Airlines
Fri 5/168:12 pmSJU - SEA
3 stops30h 58mSpirit Airlines
Deal found 4/2$347
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1110:25 amPDX - SJU
2 stops30h 15mSpirit Airlines
Tue 4/225:10 pmSJU - PDX
2 stops23h 27mSpirit Airlines
Deal found 4/1$353
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 9/1611:10 pmSEA - SJU
1 stop11h 35mUnited Airlines
Mon 9/221:05 amSJU - SEA
2 stops15h 22mUnited Airlines
Deal found 4/1$357
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:27 pmSEA - SJU
1 stop9h 33mAmerican Airlines
Fri 5/95:25 amSJU - SEA
1 stop19h 25mAmerican Airlines
Deal found 4/2$358
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 4/2611:52 pmPDX - SJU
2 stops11h 53mAmerican Airlines
Thu 5/11:29 pmSJU - PDX
1 stop12h 59mAmerican Airlines
Deal found 4/1$369
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 amPDX - SJU
1 stop12h 50mDelta
Fri 12/123:25 pmSJU - PDX
1 stop10h 29mDelta
Deal found 4/2$379
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Thu 12/410:56 pmPDX - SJU
1 stop11h 44mUnited Airlines
Tue 12/92:05 amSJU - PDX
2 stops13h 30mUnited Airlines
Deal found 4/2$394
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1311:59 pmPDX - SJU
2 stops14h 34mMultiple Airlines
Sat 4/1912:54 amSJU - PDX
2 stops35h 18mMultiple Airlines
Deal found 4/1$397
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/295:58 pmSEA - PUJ
1 stop14h 58mMultiple Airlines
Tue 5/135:54 pmPUJ - SEA
1 stop17h 36mMultiple Airlines
Deal found 4/2$437
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:58 pmSEA - STT
1 stop12h 52mAmerican Airlines
Mon 9/81:50 pmSTT - SEA
1 stop13h 43mAmerican Airlines
Deal found 4/2$443
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:33 pmSEA - SJU
2 stops13h 18mDelta
Sat 8/3012:56 pmSJU - SEA
1 stop10h 46mDelta
Deal found 4/2$445
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:56 pmSEA - MBJ
2 stops35h 59mSpirit Airlines
Tue 5/612:00 pmMBJ - SEA
3 stops28h 25mSpirit Airlines
Deal found 4/2$446

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 April 3, 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

Sat 5/10

3:20 pm-12:44 pm

2 stops18h 24m

San Juan Luis Munoz Marin Intl

Fri 5/16

8:12 pm-12:10 am

3 stops30h 58m

$347

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 4/11

10:25 am-7:40 pm

2 stops30h 15m

San Juan Luis Munoz Marin Intl

Tue 4/22

5:10 pm-1:37 pm

2 stops23h 27m

$353

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 4/26

7:20 am-8:28 pm

1 stop10h 08m

San Juan Luis Munoz Marin Intl

Sat 5/3

5:30 am-9:59 pm

1 stop19h 29m

$357

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sat 4/26

11:52 pm-2:45 pm

2 stops11h 53m

San Juan Luis Munoz Marin Intl

Thu 5/1

1:29 pm-11:28 pm

1 stop12h 59m

$369

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 5/2

7:50 pm-1:10 pm

2 stops14h 20m

San Juan Luis Munoz Marin Intl

Tue 5/6

1:19 pm-10:38 pm

1 stop12h 19m

$379

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sun 4/13

11:59 pm-5:33 pm

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Sat 4/19

12:54 am-9:12 am

2 stops35h 18m

$397

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 4/18

11:39 pm-4:17 pm

1 stop13h 38m

San Juan Luis Munoz Marin Intl

Fri 4/25

12:16 pm-10:27 pm

1 stop13h 11m

$435

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 4/29

5:58 pm-11:56 am

1 stop14h 58m

Punta Cana

Tue 5/13

5:54 pm-8:30 am

1 stop17h 36m

$437

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 8/31

10:58 pm-2:50 pm

1 stop12h 52m

Saint Thomas Island Cyril E King

Mon 9/8

1:50 pm-12:33 am

1 stop13h 43m

$443

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Thu 5/1

8:56 pm-10:55 am

2 stops35h 59m

Montego Bay Sangster Intl

Tue 5/6

12:00 pm-2:25 pm

3 stops28h 25m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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 April 3, 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 April 3, 2025.
Read through reviews of airlines operating flights from Washington to Caribbean Islands, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,827 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,827 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,619 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $142. JetBlue flights start at $179 while deals on Delta start at $185 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$199Average$480FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$347FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$286Average$629FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$296Average$726FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$740FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$711FlexibilityNo cancel feeOn-time75%
DeltaCheapest$340Average$674FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$484Average$731FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$581Average$854FlexibilityNo cancel feeOn-time67%

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