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$181+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$379
(American Airlines)

One-way from

$181
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$650
From Seattle/Tacoma Intl to Caribbean
Search Deals
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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/9. 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 9/2511:38 pmSEA - PUJ
1 stop12h 47mAmerican Airlines
Sat 10/44:25 pmPUJ - SEA
2 stops19h 54mAmerican Airlines
Deal found 6/9$379
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:55 pmSEA - PUJ
1 stop12h 09mDelta
Sat 10/111:10 pmPUJ - SEA
1 stop12h 15mDelta
Deal found 6/10$395
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/13:58 pmSEA - STT
2 stops14h 50mSpirit Airlines
Tue 7/83:03 pmSTT - SEA
2 stops28h 22mSpirit Airlines
Deal found 6/10$412
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/83:58 pmSEA - SJU
2 stops16h 34mSpirit Airlines
Fri 7/111:37 amSJU - SEA
2 stops17h 48mSpirit Airlines
Deal found 6/9$424
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/75:00 amSEA - SJU
1 stop9h 30mUnited Airlines
Wed 10/151:05 amSJU - SEA
1 stop12h 42mUnited Airlines
Deal found 6/12$434
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:10 pmSEA - SJU
1 stop12h 35mSouthwest
Fri 9/198:15 amSJU - SEA
2 stops12h 45mSouthwest
Deal found 6/11$436
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/2512:45 amSEA - SJU
2 stops11h 15mAmerican Airlines
Mon 9/16:00 amSJU - SEA
1 stop21h 14mAmerican Airlines
Deal found 6/10$451
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/63:35 pmSEA - PUJ
2 stops18h 05mUnited Airlines
Sat 10/114:35 pmPUJ - SEA
2 stops20h 08mUnited Airlines
Deal found 6/12$454
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:13 pmSEA - SJU
2 stops21h 15mFrontier
Wed 8/612:59 amSJU - SEA
2 stops16h 07mFrontier
Deal found 6/11$456
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 11/1011:10 pmSEA - STX
1 stop14h 15mAmerican Airlines
Tue 11/184:45 pmSTX - SEA
1 stop10h 35mAmerican Airlines
Deal found 6/10$469
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/318:08 pmSEA - STT
1 stop13h 42mAmerican Airlines
Mon 9/85:10 pmSTT - SEA
2 stops19h 09mAmerican Airlines
Deal found 6/11$473
This eDestinos deal was found by Cheapflights users on 6/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:17 amSEA - SJU
3 stops38h 37mMultiple Airlines
Sat 8/306:55 pmSJU - SEA
3 stops30h 48mMultiple Airlines
Deal found 6/10$475

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 June 12, 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

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 7/1

3:58 pm-9:48 am

2 stops14h 50m

Saint Thomas Island Cyril E King

Tue 7/8

3:03 pm-4:25 pm

2 stops28h 22m

$412

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 7/8

3:58 pm-11:32 am

2 stops16h 34m

San Juan Luis Munoz Marin Intl

Fri 7/11

1:37 am-4:25 pm

2 stops17h 48m

$424

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Fri 8/15

8:08 pm-3:05 pm

1 stop15h 57m

Punta Cana

Tue 8/19

3:30 pm-9:19 am

1 stop20h 49m

$430

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 10/7

5:00 am-5:30 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Wed 10/15

1:05 am-10:47 am

1 stop12h 42m

$434

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/16

9:10 pm-12:45 pm

1 stop12h 35m

San Juan Luis Munoz Marin Intl

Fri 9/19

8:15 am-6:00 pm

2 stops12h 45m

$436

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 8/25

12:45 am-3:00 pm

2 stops11h 15m

San Juan Luis Munoz Marin Intl

Mon 9/1

6:00 am-12:14 am

1 stop21h 14m

$451

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 8/4

12:13 pm-12:28 pm

2 stops21h 15m

San Juan Luis Munoz Marin Intl

Wed 8/6

12:59 am-2:06 pm

2 stops16h 07m

$456

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 8/31

8:08 pm-12:50 pm

1 stop13h 42m

Saint Thomas Island Cyril E King

Mon 9/8

5:10 pm-9:19 am

2 stops19h 09m

$473

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 8/22

6:17 am-11:54 pm

3 stops38h 37m

San Juan Luis Munoz Marin Intl

Sat 8/30

6:55 pm-10:43 pm

3 stops30h 48m

$475

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Thu 8/21

11:10 pm-2:05 pm

1 stop11h 55m

Punta Cana

Sat 8/30

12:50 pm-10:52 pm

1 stop13h 02m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 June 12, 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.

Rainfall in Caribbean by month

Plan your trip to Caribbean by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean when rainfall is around 2.2 in.

Temperature in Caribbean by month

Plan your trip to Caribbean by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
4,287 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 $181. American Airlines flights start at $189 while deals on United Airlines start at $207 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 - Montego Bay Sangster Intl or Seattle/Tacoma Intl - Nassau 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$194Average$792FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$233Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$252Average$652FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$330Average$694FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$339Average$686FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$340Average$663FlexibilityNo cancel feeOn-time75%
DeltaCheapest$413Average$680FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$885FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$466Average$746FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$648Average$802FlexibilityNo cancel feeOn-time67%

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