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$179+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$439
(Kiwi.com)

One-way from

$179
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$679
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 ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 8/126:25 amSEA - PUJ
2 stops25h 07mMultiple Airlines
Tue 8/194:05 pmPUJ - SEA
1 stop33h 00mMultiple Airlines
Deal found 7/1$439
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:30 pmSEA - STT
2 stops18h 40mSpirit Airlines
Fri 8/14:05 pmSTT - SEA
2 stops27h 20mSpirit Airlines
Deal found 7/2$464
This American Airlines deal was found by Cheapflights users on 7/3. 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 11/101:33 amSEA - STX
2 stops11h 52mAmerican Airlines
Wed 11/194:45 pmSTX - SEA
2 stops20h 51mAmerican Airlines
Deal found 7/3$473
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:10 pmSEA - SJU
2 stops12h 00mSouthwest
Mon 9/298:15 amSJU - SEA
2 stops12h 45mSouthwest
Deal found 7/2$473
This American Airlines deal was found by Cheapflights users on 7/3. 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 10/2112:34 amSEA - STT
2 stops12h 16mAmerican Airlines
Sun 11/24:45 pmSTT - SEA
1 stop10h 35mAmerican Airlines
Deal found 7/3$473
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 7/235:19 amSEA - SJU
1 stop16h 08mAmerican Airlines
Tue 7/294:50 pmSJU - SEA
1 stop10h 07mAmerican Airlines
Deal found 7/3$474
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:30 pmSEA - SJU
2 stops19h 00mSpirit Airlines
Sun 7/271:37 amSJU - SEA
2 stops17h 48mSpirit Airlines
Deal found 7/1$475
This JetBlue deal was found by Cheapflights users on 7/3. 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 9/2411:40 pmSEA - NAS
1 stop11h 25mJetBlue
Wed 10/83:10 pmNAS - SEA
1 stop10h 00mJetBlue
Deal found 7/3$477
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/811:59 pmSEA - SJU
1 stop12h 17mMultiple Airlines
Mon 8/1111:59 pmSJU - SEA
2 stops19h 26mMultiple Airlines
Deal found 7/2$477
This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 9/177:05 pmSEA - SJU
2 stops15h 11mDelta
Sat 9/207:30 amSJU - SEA
2 stops11h 59mDelta
Deal found 7/1$479
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:55 pmSEA - PUJ
1 stop11h 55mDelta
Wed 12/33:50 pmPUJ - SEA
1 stop12h 24mDelta
Deal found 7/2$485
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Fri 10/1011:40 pmSEA - PUJ
1 stop14h 44mJetBlue
Sat 10/2511:30 amPUJ - SEA
1 stop13h 40mJetBlue
Deal found 7/3$487

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 July 3, 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

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 8/12

6:25 am-10:32 am

2 stops25h 07m

Punta Cana

Tue 8/19

4:05 pm-10:05 pm

1 stop33h 00m

$439

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 7/15

5:30 pm-3:10 pm

2 stops18h 40m

Saint Thomas Island Cyril E King

Fri 8/1

4:05 pm-4:25 pm

2 stops27h 20m

$464

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 11/10

1:33 am-5:25 pm

2 stops11h 52m

Christiansted Henry Rohlsen

Wed 11/19

4:45 pm-9:36 am

2 stops20h 51m

$473

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 9/22

11:10 pm-2:10 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Mon 9/29

8:15 am-6:00 pm

2 stops12h 45m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 10/21

12:34 am-3:50 pm

2 stops12h 16m

Saint Thomas Island Cyril E King

Sun 11/2

4:45 pm-11:20 pm

1 stop10h 35m

$473

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 7/23

5:19 am-12:27 am

1 stop16h 08m

San Juan Luis Munoz Marin Intl

Tue 7/29

4:50 pm-11:57 pm

1 stop10h 07m

$474

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 7/21

5:30 pm-3:30 pm

2 stops19h 00m

San Juan Luis Munoz Marin Intl

Sun 7/27

1:37 am-4:25 pm

2 stops17h 48m

$475

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

Wed 9/24

11:40 pm-2:05 pm

1 stop11h 25m

Nassau Intl

Wed 10/8

3:10 pm-10:10 pm

1 stop10h 00m

$477

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 8/8

11:59 pm-3:16 pm

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Mon 8/11

11:59 pm-4:25 pm

2 stops19h 26m

$477

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 9/17

7:05 pm-1:16 pm

2 stops15h 11m

San Juan Luis Munoz Marin Intl

Sat 9/20

7:30 am-4:29 pm

2 stops11h 59m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 July 3, 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 July 3, 2025.
See what other customers who have flown with Delta, Alaska Airlines, and Southwest 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.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Southwest
8.0
Very good
4,266 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $179. JetBlue flights start at $185 while deals on Delta start at $189 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 - Nassau Intl or Seattle/Tacoma Intl - Port of Spain Piarco 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$175Average$803FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$252Average$652FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$333Average$697FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$680FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$341Average$678FlexibilityNo cancel feeOn-time69%
DeltaCheapest$364Average$678FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$521Average$749FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$632Average$784FlexibilityNo cancel feeOn-time67%

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