Caribbean

$208+ Cheap flights from Seattle (SEA) to Caribbean

SEA — SJU
Dec 4 — Dec 111
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Cheap flight deals from Seattle to Caribbean

Cheapest flights from Seattle to Caribbean

Thu 12/109:09 pm -
3 stops23h 58m
Wed 12/162:29 am -
2 stops24h 20m
Deal found 10/30$493
Wed 12/24:58 pm -
2 stops40h 43m
Sat 12/123:12 pm -
1 stop29h 55m
Deal found 10/31$534
Mon 12/144:58 pm -
2 stops29h 15m
Mon 12/213:53 pm -
2 stops29h 17m
Deal found 10/30$535
Tue 12/89:19 am -
1 stop11h 48m
Tue 12/152:49 am -
1 stop23h 04m
Deal found 10/30$546
Sun 12/131:36 pm -
3 stops31h 43m
Wed 12/162:29 am -
2 stops24h 20m
Deal found 10/31$551
Tue 12/19:45 pm -
1 stop11h 37m
Tue 12/154:53 pm -
1 stop12h 06m
Deal found 11/2$554
Sun 11/2911:59 pm -
1 stop12h 15m
Tue 12/85:01 am -
2 stops38h 42m
Deal found 10/31$555
Tue 12/15:40 am -
2 stops12h 15m
Tue 12/810:45 am -
2 stops15h 35m
Deal found 11/4$556
Sun 12/69:09 pm -
2 stops33h 28m
Sat 12/123:12 pm -
1 stop29h 55m
Deal found 10/31$557
Sun 11/2911:59 pm -
1 stop12h 15m
Wed 12/95:01 am -
2 stops35h 30m
Deal found 10/31$558
Tue 12/18:24 am -
1 stop13h 34m
Tue 12/83:28 am -
1 stop22h 52m
Deal found 10/31$559
Mon 12/148:24 am -
1 stop13h 34m
Sun 12/203:54 am -
1 stop22h 16m
Deal found 10/30$561

Find flight deals from Seattle to Caribbean

Round-trip from

$493
(Mytrip)

One-way from

$208
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$587
From Seattle/Tacoma Intl to Caribbean
One-way flight from Seattle/Tacoma Intl to Caribbean
Highest demand for flights based on searches. 5% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSimpson Bay

SEA Seattle/Tacoma Intl - SXM Simpson Bay Princess Juliana

SEASXM

Seattle/Tacoma Intl

Wed 3/10

2:05 pm-3:15 pm

2 stops21h 10m

Simpson Bay Princess Juliana

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$252

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Tue 12/1

5:40 am-9:55 pm

2 stops12h 15m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$278

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Tue 12/15

6:30 am-9:55 pm

2 stops11h 25m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$278

SeattleSanto Domingo

SEA Seattle/Tacoma Intl - SDQ Santo Domingo Las Americas

SEASDQ

Seattle/Tacoma Intl

Mon 2/22

6:33 pm-9:45 pm

3 stops23h 12m

Santo Domingo Las Americas

Wed 12/31

12:00 am-8:30 pm

Nonstop0h 00m

$280

SeattleNassau

SEA Seattle/Tacoma Intl - NAS Nassau Intl

SEANAS

Seattle/Tacoma Intl

Tue 11/17

3:15 pm-11:30 am

2 stops17h 15m

Nassau Intl

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$288

SeattleSimpson Bay

SEA Seattle/Tacoma Intl - SXM Simpson Bay Princess Juliana

SEASXM

Seattle/Tacoma Intl

Wed 3/10

8:00 am-1:50 pm

1 stop25h 50m

Simpson Bay Princess Juliana

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$290

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Mon 1/18

7:49 pm-12:58 pm

2 stops13h 09m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$297

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Sun 11/29

11:59 pm-4:14 pm

1 stop12h 15m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$297

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Thu 12/31

1:11 pm-6:10 am

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$297

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Thu 1/7

10:50 pm-2:40 pm

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-8:00 pm

Nonstop0h 00m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Caribbean

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Caribbean (average of $592). Flying from Seattle to Caribbean in December is currently the most expensive (average of $828). 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.

How far ahead should I book a flight from Seattle to Caribbean?

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Caribbean. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Caribbean

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Seattle to Caribbean have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What airport do you fly from for flights from Seattle to Caribbean?

    If you book a flight to Caribbean from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Caribbean?

    Southwest, Delta, and American Airlines can get you from Seattle to Caribbean in just under 11h 25m. Your travel time can differ by up to 9h 17m. There are 3723 mi between Seattle and Caribbean. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $154. American Airlines flights start at $160 while deals on United Airlines start at $166 one-way.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Caribbean (average of $592). Flying from Seattle to Caribbean in December is currently the most expensive (average of $828). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Caribbean

Top 7 airlines flying from Seattle to Caribbean

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$214Average$780FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$299Average$628FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$324Average$667FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$368Average$641FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$369Average$753FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$454Average$666FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$587Average$626FlexibilityNo cancel feeOn-time75%

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