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Caribbean Islands

$176+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
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 October 2, 2025.

Round-trip from

$361
(JetBlue)

One-way from

$176
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$468
From Seattle/Tacoma Intl to Caribbean Islands
Search Deals
One-way flight from Seattle/Tacoma Intl to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
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 October 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 October 2, 2025.

This JetBlue deal was found by Cheapflights users on 10/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2111:56 pmSEA - SJU
1 stop13h 59mJetBlue
Thu 10/231:10 pmSJU - SEA
1 stop12h 26mJetBlue
Deal found 10/1$361
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/275:43 pmSEA - SJU
1 stop17h 42mAmerican Airlines
Tue 11/46:00 amSJU - SEA
2 stops13h 31mAmerican Airlines
Deal found 9/30$363
This deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1911:56 pmSEA - SJU
1 stop13h 46mJetBlue
Fri 10/241:25 pmSJU - SEA
1 stop12h 11mJetBlue
Deal found 9/30$368
This JetBlue deal was found by Cheapflights users on 10/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:56 pmSEA - SJU
1 stop13h 46mJetBlue
Sat 10/251:25 pmSJU - SEA
1 stop12h 11mJetBlue
Deal found 10/1$372
This deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:56 pmSEA - SJU
1 stop13h 46mJetBlue
Sat 10/251:25 pmSJU - SEA
1 stop12h 11mJetBlue
Deal found 9/30$382
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/138:00 amSEA - SJU
1 stop10h 22mUnited Airlines
Tue 11/188:10 amSJU - SEA
2 stops13h 50mUnited Airlines
Deal found 9/30$386
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/307:13 pmSEA - SJU
2 stops14h 04mUnited Airlines
Thu 11/62:25 pmSJU - SEA
1 stop10h 48mUnited Airlines
Deal found 10/1$391
This JetBlue deal was found by Cheapflights users on 10/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:56 pmSEA - SJU
1 stop14h 01mJetBlue
Sat 10/251:25 pmSJU - SEA
1 stop12h 11mJetBlue
Deal found 10/1$399
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:17 amSEA - SJU
1 stop15h 22mMultiple Airlines
Thu 12/114:20 pmSJU - SEA
2 stops46h 36mMultiple Airlines
Deal found 10/1$404
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 12/57:00 amSEA - SJU
1 stop10h 00mUnited Airlines
Tue 12/97:45 amSJU - SEA
2 stops14h 42mUnited Airlines
Deal found 9/30$405
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/258:49 pmSEA - SJU
1 stop13h 56mAmerican Airlines
Wed 11/57:15 amSJU - SEA
1 stop15h 45mAmerican Airlines
Deal found 9/30$406
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:45 pmSEA - PUJ
1 stop16h 55mDelta
Thu 10/302:49 pmPUJ - SEA
1 stop12h 05mDelta
Deal found 10/1$413

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 October 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

Wed 10/22

11:56 pm-4:57 pm

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Sat 10/25

1:25 pm-10:36 pm

1 stop12h 11m

$399

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Fri 10/17

3:45 pm-11:40 am

1 stop16h 55m

Punta Cana

Thu 10/30

2:49 pm-11:54 pm

1 stop12h 05m

$413

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Mon 10/20

10:54 pm-2:05 pm

1 stop12h 11m

Punta Cana

Tue 10/28

11:56 am-8:54 pm

1 stop11h 58m

$421

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Thu 10/30

7:13 pm-11:59 am

2 stops13h 46m

Punta Cana

Mon 11/3

2:05 pm-11:10 pm

1 stop13h 05m

$422

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Wed 10/29

7:13 pm-11:59 am

2 stops13h 46m

Punta Cana

Wed 11/5

2:05 pm-9:13 pm

1 stop11h 08m

$422

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Sat 11/8

9:59 pm-1:26 pm

1 stop11h 27m

Punta Cana

Thu 11/13

2:38 pm-11:59 pm

1 stop13h 21m

$423

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Fri 11/14

11:59 pm-5:25 pm

2 stops13h 26m

Punta Cana

Fri 11/21

2:05 pm-11:10 pm

1 stop13h 05m

$423

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 11/18

10:08 pm-2:33 pm

1 stop12h 25m

Punta Cana

Tue 11/25

12:51 pm-8:59 pm

1 stop12h 08m

$424

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Fri 10/17

8:49 pm-2:34 pm

1 stop14h 45m

Punta Cana

Thu 10/30

12:35 pm-12:27 am

2 stops14h 52m

$427

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 10/28

12:34 am-3:17 pm

2 stops11h 43m

Punta Cana

Wed 11/5

5:24 pm-9:45 am

2 stops20h 21m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

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 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 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 October 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.

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 October 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. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,994 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,994 reviews
Alaska Airlines
8.0
Very good
10,994 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,994 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
8.0
Very good
7,962 reviews
Alaska Airlines
8.0
Very good
10,994 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,933 reviews
Alaska Airlines
8.0
Very good
10,994 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,033 reviews
Alaska Airlines
8.0
Very good
10,994 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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.

  • How long is the flight from Seattle to Caribbean Islands?

    There are many flights that can get you from Seattle to Caribbean Islands in 12h 11m. Fly via JetBlue, Delta, or United Airlines to get the fastest option. Seattle and Caribbean Islands are separated by a distance of 3609 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 American Airlines ($182), United Airlines ($182), and Delta ($182).

  • 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 - Punta Cana or Seattle/Tacoma Intl - Montego Bay Sangster 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 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.

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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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$194Average$786FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$208Average$422FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$292Average$667FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$326Average$634FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$340Average$662FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$357Average$710FlexibilityNo cancel feeOn-time71%
DeltaCheapest$357Average$707FlexibilityNo 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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