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Caribbean Islands

$137+ Cheap flights from Seattle (SEA) 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
abr. 7 — abr. 141
lun. 4/7
lun. 4/14
1 adult, Economy
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Cheap flight deals from Seattle to Caribbean Islands

Keep the following information in mind while searching for Seattle to Caribbean Islands flight deals. Data was last updated abril 2, 2025.

Round-trip from

$347
(Mytrip)

One-way from

$137
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$589
From Seattle/Tacoma Intl to Caribbean Islands
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One-way flight from Seattle/Tacoma Intl 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 Seattle to Caribbean Islands

Cheapest flights from Seattle to Caribbean Islands
Explore the most affordable flight options available from Seattle to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 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.
sáb. 5/103:20 pmSEA - SJU
2 stops18h 24mSpirit Airlines
vie. 5/168:12 pmSJU - SEA
3 stops30h 58mSpirit Airlines
Deal found 4/2$347
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.
mar. 9/1611:54 pmSEA - SJU
1 stop11h 50mUnited Airlines
mar. 9/237:00 amSJU - SEA
1 stop13h 36mUnited Airlines
Deal found 4/1$357
This Priceline deal was found by Cheapflights users on 3/31. 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.
mar. 4/2912:30 pmSEA - MBJ
2 stops20h 25mSpirit Airlines
mar. 5/612:00 pmMBJ - SEA
2 stops14h 56mSpirit Airlines
Deal found 3/31$374
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.
lun. 4/2810:10 pmSEA - SJU
1 stop13h 25mAmerican Airlines
mié. 5/76:10 amSJU - SEA
1 stop19h 57mAmerican Airlines
Deal found 4/1$392
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.
lun. 4/148:56 pmSEA - STT
2 stops34h 04mSpirit Airlines
lun. 5/122:41 pmSTT - SEA
2 stops36h 29mSpirit Airlines
Deal found 4/1$421
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.
dom. 8/3110:32 pmSEA - STT
1 stop11h 08mAmerican Airlines
lun. 9/85:20 pmSTT - SEA
2 stops20h 24mAmerican Airlines
Deal found 4/1$443
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/1512:30 pmSEA - PUJ
2 stops20h 14mSpirit Airlines
vie. 4/183:18 pmPUJ - SEA
2 stops23h 17mSpirit Airlines
Deal found 4/1$449
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.
vie. 5/96:33 pmSEA - SJU
1 stop17h 38mMultiple Airlines
vie. 5/161:33 amSJU - SEA
2 stops25h 37mMultiple Airlines
Deal found 4/1$455
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.
lun. 5/51:10 amSEA - PUJ
1 stop11h 39mAmerican Airlines
mar. 5/133:16 pmPUJ - SEA
1 stop21h 59mAmerican Airlines
Deal found 4/1$457
This Southwest deal was found by Cheapflights users on 3/31. 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.
mié. 11/55:40 amSEA - SJU
2 stops13h 40mSouthwest
mar. 11/186:40 amSJU - SEA
2 stops16h 00mSouthwest
Deal found 3/31$461
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.
mar. 4/297:33 pmSEA - PUJ
2 stops14h 07mUnited Airlines
mar. 5/64:35 pmPUJ - SEA
1 stop22h 03mUnited Airlines
Deal found 4/1$468
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/1110:25 amSEA - NAS
Nonstop6h 15mAlaska Airlines
dom. 4/208:00 amNAS - SEA
Nonstop7h 16mAlaska Airlines
Deal found 3/31$470

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 abril 2, 2025.
Use the filters below to find and compare flights from Seattle to Caribbean Islands that are best for you.

Fly from

Seattle

Fly to

Caribbean Islands

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

sáb. 5/10

3:20 pm-12:44 pm

2 stops18h 24m

San Juan Luis Munoz Marin Intl

vie. 5/16

8:12 pm-12:10 am

3 stops30h 58m

$347

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 9/16

11:10 pm-1:45 pm

1 stop11h 35m

San Juan Luis Munoz Marin Intl

lun. 9/22

1:05 am-1:27 pm

2 stops15h 22m

$357

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

mar. 4/29

12:30 pm-10:55 am

2 stops20h 25m

Montego Bay Sangster Intl

mar. 5/6

12:00 pm-12:56 am

2 stops14h 56m

$374

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

lun. 4/28

10:10 pm-2:35 pm

1 stop13h 25m

San Juan Luis Munoz Marin Intl

mié. 5/7

6:10 am-11:07 pm

1 stop19h 57m

$392

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

lun. 4/14

8:56 pm-10:00 am

2 stops34h 04m

Saint Thomas Island Cyril E King

lun. 5/12

2:41 pm-12:10 am

2 stops36h 29m

$421

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

dom. 8/31

10:32 pm-12:40 pm

1 stop11h 08m

Saint Thomas Island Cyril E King

lun. 9/8

1:50 pm-12:33 am

1 stop13h 43m

$443

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

mar. 4/15

12:30 pm-11:44 am

2 stops20h 14m

Punta Cana

vie. 4/18

3:18 pm-11:35 am

2 stops23h 17m

$449

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

vie. 5/9

6:33 pm-3:11 pm

1 stop17h 38m

San Juan Luis Munoz Marin Intl

vie. 5/16

1:33 am-12:10 am

2 stops25h 37m

$455

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

lun. 5/5

1:10 am-3:49 pm

1 stop11h 39m

Punta Cana

mar. 5/13

3:16 pm-10:15 am

1 stop21h 59m

$457

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

mar. 4/29

7:33 pm-12:40 pm

2 stops14h 07m

Punta Cana

mar. 5/6

4:35 pm-11:38 am

1 stop22h 03m

$468

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 Seattle to Caribbean Islands

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

What is the cheapest month to book a flight from Seattle to Caribbean Islands?

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

Find hourly flight availability from Seattle 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 abril 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Caribbean Islands as you normally would.

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 abril 2, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Caribbean Islands to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 airport do you fly from for flights from Seattle to Caribbean Islands?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Caribbean Islands.

  • What are the cheapest airlines to fly from Seattle to Caribbean Islands one-way?

    The cheapest airlines for a one-way flight from Seattle to Caribbean Islands are Spirit Airlines ($137), Delta ($179), and Alaska Airlines ($187).

  • What are the most popular routes from Seattle to Caribbean Islands?

    When deciding which route to take from Seattle to Caribbean Islands consider Seattle/Tacoma Intl - San Juan Luis Munoz Marin Intl, Seattle/Tacoma Intl - Montego Bay Sangster Intl or Seattle/Tacoma Intl - Nassau Intl as they are the most popular.

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

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

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

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

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

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

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

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Alternative routes for Seattle 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 Seattle to Caribbean Islands

Discover the top 10 airlines that operate flights from Seattle 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 abril 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$199Average$480FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$347FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$286Average$629FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$326Average$734FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$700FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$340Average$675FlexibilityNo cancel feeOn-time75%
DeltaCheapest$340Average$668FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$569Average$766FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$581Average$854FlexibilityNo cancel feeOn-time67%

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