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$163+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Seattle to Caribbean

Keep the following information in mind while searching for Seattle to Caribbean flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$363
(Delta)

One-way from

$163
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$507
From Seattle/Tacoma Intl to Caribbean
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One-way flight from Seattle/Tacoma Intl to Caribbean
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Highest demand for flights based on searches. 4% potential increase in price ($25 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 September 2025
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Find 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 septiembre 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/2511:24 pmSEA - SJU
1 stop11h 56mAmerican Airlines
mié. 11/56:00 amSJU - SEA
2 stops13h 31mAmerican Airlines
Deal found 9/14$363
This American Airlines deal was found by Cheapflights users on 9/15. 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. 10/611:24 pmSEA - SJU
2 stops13h 30mAmerican Airlines
mié. 10/223:00 pmSJU - SEA
1 stop21h 49mAmerican Airlines
Deal found 9/15$364
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1711:40 pmSEA - SJU
1 stop18h 44mJetBlue
vie. 10/246:00 amSJU - SEA
1 stop19h 36mJetBlue
Deal found 9/16$370
This United Airlines deal was found by Cheapflights users on 9/15. 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. 11/45:30 amSEA - SJU
2 stops12h 52mUnited Airlines
jue. 11/202:25 pmSJU - SEA
1 stop12h 45mUnited Airlines
Deal found 9/15$373
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 10/2510:54 pmSEA - SJU
1 stop9h 55mUnited Airlines
vie. 10/311:05 amSJU - SEA
2 stops15h 49mUnited Airlines
Deal found 9/15$375
This United Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 11/127:00 amSEA - SJU
1 stop10h 00mUnited Airlines
vie. 11/142:05 amSJU - SEA
1 stop13h 06mUnited Airlines
Deal found 9/16$377
This Priceline deal was found by Cheapflights users on 9/15. 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.
sáb. 10/1111:40 pmSEA - SJU
1 stop22h 17mJetBlue
jue. 10/161:25 pmSJU - SEA
1 stop12h 11mJetBlue
Deal found 9/15$382
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/111:40 pmSEA - SJU
1 stop12h 16mJetBlue
lun. 10/63:03 amSJU - SEA
1 stop22h 33mJetBlue
Deal found 9/15$384
This JetBlue deal was found by Cheapflights users on 9/13. 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.
sáb. 9/2711:59 pmSEA - SJU
1 stop13h 44mJetBlue
vie. 10/31:29 pmSJU - SEA
1 stop11h 55mJetBlue
Deal found 9/13$385
This Priceline deal was found by Cheapflights users on 9/15. 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.
lun. 9/2911:59 pmSEA - SJU
1 stop13h 44mJetBlue
jue. 10/21:29 pmSJU - SEA
1 stop11h 55mJetBlue
Deal found 9/15$389
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1212:58 pmSEA - SJU
2 stops18h 48mFrontier
vie. 11/143:59 amSJU - SEA
2 stops18h 33mFrontier
Deal found 9/15$393
This JetBlue deal was found by Cheapflights users on 9/16. 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.
lun. 10/611:40 pmSEA - AUA
1 stop12h 30mJetBlue
mié. 10/154:21 pmAUA - SEA
1 stop33h 15mJetBlue
Deal found 9/16$424

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 septiembre 16, 2025.
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

lun. 2/23

7:00 am-9:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

jue. 2/26

2:05 am-11:20 am

1 stop13h 15m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 11/4

5:30 am-10:22 pm

2 stops12h 52m

San Juan Luis Munoz Marin Intl

mié. 11/19

2:05 am-11:11 am

1 stop13h 06m

$373

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

sáb. 9/27

11:59 pm-4:43 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

sáb. 10/4

1:29 pm-10:24 pm

1 stop11h 55m

$384

SeattleOranjestad

SEA - AUA

SEAAUA

Seattle/Tacoma Intl

lun. 10/6

11:40 pm-3:10 pm

1 stop12h 30m

Oranjestad Reina Beatrix

mié. 10/15

4:21 pm-10:36 pm

1 stop33h 15m

$424

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

vie. 11/7

5:59 pm-2:14 pm

1 stop16h 15m

Punta Cana

jue. 11/13

2:38 pm-11:59 pm

1 stop13h 21m

$429

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

mar. 12/2

5:05 am-6:18 pm

1 stop9h 13m

Punta Cana

vie. 12/12

12:56 pm-8:54 pm

1 stop11h 58m

$429

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

mar. 11/18

11:50 pm-1:49 pm

1 stop9h 59m

Punta Cana

mar. 11/25

2:55 pm-10:45 pm

1 stop11h 50m

$429

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

sáb. 11/8

11:59 pm-5:25 pm

2 stops13h 26m

Punta Cana

sáb. 11/15

2:05 pm-9:13 pm

1 stop11h 08m

$429

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

lun. 2/23

6:35 am-12:05 am

2 stops13h 30m

San Juan Luis Munoz Marin Intl

jue. 3/5

3:50 pm-12:30 am

2 stops12h 40m

$437

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

lun. 11/17

10:07 pm-3:48 pm

2 stops13h 41m

Punta Cana

dom. 11/23

5:47 pm-11:40 am

1 stop21h 53m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, September is the cheapest month in which you can book a flight from Seattle to Caribbean (average of $254). Flying from Seattle to Caribbean in June is currently the most expensive (average of $339). 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 CB?

Find hourly flight availability from Seattle to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 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 as you normally would.

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 septiembre 16, 2025.
See what other customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,957 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
JetBlue
7.2
Good
2,914 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    United Airlines, JetBlue, and Delta can get you from Seattle to Caribbean in just under 10h. Your travel time can differ by up to 6h 15m. 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 $163. American Airlines flights start at $191 while deals on Delta start at $191 one-way.

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

    The most popular route from Seattle to Caribbean is Seattle/Tacoma Intl - San Juan Luis Munoz Marin Intl. You may also consider Seattle/Tacoma Intl - Punta Cana or Seattle/Tacoma Intl - Montego Bay Sangster Intl.

  • 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, September is the cheapest month in which you can book a flight from Seattle to Caribbean (average of $254). Flying from Seattle to Caribbean in June is currently the most expensive (average of $339). 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 Seattle to Caribbean

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

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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$194Average$796FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$208Average$422FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$292Average$671FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$326Average$647FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$683FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$355Average$718FlexibilityNo cancel feeOn-time71%
DeltaCheapest$359Average$709FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$812FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$521Average$761FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$632Average$926FlexibilityNo cancel feeOn-time67%

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