Caribbean

$152+ Cheap flights from Seattle (SEA) to Caribbean

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
Mar 13 — Mar 201
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Cheap flight deals from Seattle to Caribbean

Cheapest flights from Seattle to Caribbean
Explore the most affordable flight options available from Seattle to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Southwest deal was found by Cheapflights users on 2/9. 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.
Mon 5/46:15 pm
SEA
-
SJU
2 stops13h 20m
Southwest
Tue 5/125:05 am
SJU
-
SEA
2 stops16h 25m
Southwest
Deal found 2/9$374
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 3/25:37 am
SEA
-
SJU
2 stops11h 57m
American Airlines
Tue 3/37:00 am
SJU
-
SEA
2 stops12h 57m
American Airlines
Deal found 2/9$379
This Delta deal was found by Cheapflights users on 2/8. 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.
Mon 4/136:00 am
SEA
-
SJU
2 stops14h 12m
Delta
Thu 4/301:25 pm
SJU
-
SEA
1 stop12h 06m
Delta
Deal found 2/8$384
This American Airlines deal was found by Cheapflights users on 2/9. 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 9/245:40 pm
SEA
-
SJU
1 stop17h 23m
American Airlines
Wed 9/3012:05 pm
SJU
-
SEA
1 stop13h 57m
American Airlines
Deal found 2/9$385
This Delta deal was found by Cheapflights users on 2/9. 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.
Sat 4/255:55 pm
SEA
-
SJU
2 stops15h 17m
Delta
Sat 5/27:15 am
SJU
-
SEA
1 stop15h 44m
Delta
Deal found 2/9$394
This United Airlines deal was found by Cheapflights users on 2/9. 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 11/98:00 am
SEA
-
SJU
1 stop10h 22m
United Airlines
Sat 11/148:30 am
SJU
-
SEA
2 stops13h 39m
United Airlines
Deal found 2/9$415
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 4/255:00 am
SEA
-
SJU
2 stops12h 34m
United Airlines
Fri 5/11:00 am
SJU
-
SEA
2 stops13h 39m
United Airlines
Deal found 2/9$417
This American Airlines deal was found by Cheapflights users on 2/8. 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 2/2112:07 am
SEA
-
MBJ
2 stops11h 19m
American Airlines
Tue 3/101:14 pm
MBJ
-
SEA
1 stop13h 10m
American Airlines
Deal found 2/8$418
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/811:59 pm
SEA
-
MBJ
1 stop12h 05m
American Airlines
Thu 3/1210:07 am
MBJ
-
SEA
1 stop15h 33m
American Airlines
Deal found 2/11$420
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/1012:27 pm
SEA
-
MBJ
1 stop20h 57m
American Airlines
Wed 3/1812:28 pm
MBJ
-
SEA
1 stop10h 40m
American Airlines
Deal found 2/9$421
This American Airlines deal was found by Cheapflights users on 2/10. 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 4/163:17 pm
SEA
-
MBJ
1 stop18h 56m
American Airlines
Tue 4/211:15 pm
MBJ
-
SEA
1 stop13h 15m
American Airlines
Deal found 2/10$431
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/3111:59 pm
SEA
-
MBJ
2 stops13h 11m
United Airlines
Sat 4/412:52 pm
MBJ
-
SEA
1 stop10h 14m
United Airlines
Deal found 2/8$432

Find flight deals from Seattle to Caribbean

Keep the following information in mind while searching for Seattle to Caribbean flight deals. Data was last updated February 11, 2026.

Round-trip from

$374
(Southwest)

One-way from

$152
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$542
From Seattle/Tacoma Intl to Caribbean
One-way flight from Seattle/Tacoma Intl to Caribbean
Highest demand for flights based on searches. 4% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Caribbean 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 February 11, 2026.
Use the filters below to find and compare flights from Seattle to Caribbean that are best for you.

Fly from

Seattle

Fly to

Caribbean

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 4/13

6:00 am-11:12 pm

2 stops14h 12m

San Juan Luis Munoz Marin Intl

Sat 4/18

6:15 am-4:48 pm

2 stops13h 33m

$384

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 4/26

11:14 pm-12:52 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Thu 5/7

1:10 pm-10:29 pm

1 stop12h 19m

$384

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 4/25

7:00 am-8:34 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Tue 4/28

1:00 am-1:16 pm

2 stops15h 16m

$394

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 4/15

6:30 am-8:38 pm

1 stop11h 08m

San Juan Luis Munoz Marin Intl

Tue 4/21

1:00 am-11:02 am

1 stop13h 02m

$394

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/1

11:00 pm-1:45 pm

1 stop11h 45m

San Juan Luis Munoz Marin Intl

Fri 5/8

3:56 pm-11:57 pm

1 stop11h 01m

$394

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Sat 2/21

12:07 am-2:26 pm

2 stops11h 19m

Montego Bay Sangster Intl

Tue 3/10

1:14 pm-12:24 am

1 stop13h 10m

$418

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Tue 3/17

12:59 am-2:04 pm

1 stop11h 05m

Montego Bay Sangster Intl

Tue 3/24

1:14 pm-11:04 pm

1 stop11h 50m

$420

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Tue 3/10

10:08 pm-11:24 am

1 stop11h 16m

Montego Bay Sangster Intl

Tue 3/17

10:07 am-11:40 pm

1 stop15h 33m

$420

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Mon 3/16

12:59 am-2:04 pm

1 stop11h 05m

Montego Bay Sangster Intl

Tue 3/24

1:14 pm-11:04 pm

1 stop11h 50m

$420

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Sun 3/8

5:00 pm-2:04 pm

1 stop19h 04m

Montego Bay Sangster Intl

Thu 3/12

12:28 pm-9:08 pm

1 stop10h 40m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 60 results
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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
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

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 $215). Flying from Seattle to Caribbean in July is currently the most expensive (average of $455). 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.

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. 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. Reviews last updated February 11, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Seattle to Caribbean. 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?

    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?

    Delta, United Airlines, and American Airlines can get you from Seattle to Caribbean in just under 10h 34m. Your travel time can differ by up to 3h 38m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $119. JetBlue flights start at $161 while deals on Delta 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 $215). Flying from Seattle to Caribbean in July is currently the most expensive (average of $455). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Seattle to Caribbean

Discover the top 10 airlines that operate flights from Seattle to Caribbean. 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$175Average$344FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$191Average$341FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$634FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$618FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$276Average$543FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$708FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$363Average$683FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$368Average$762FlexibilityNo cancel feeOn-time67%
Sun Country AirCheapest$454Average$810FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$521Average$732FlexibilityNo cancel feeOn-time63%

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