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Caribbean

$141+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$335
(FlightHub)

One-way from

$141
(Expedia)

Popular in

December

Cheapest in

September

Average price

$562

Good round-trip deal

$536 or less

Good one-way deal

$217 or less
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. 5% potential increase in price ($32 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 March 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Caribbean.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Caribbean.
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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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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.
Thu 4/1712:30 pmSEA - STT
2 stops18h 30mSpirit Airlines
Thu 4/2411:05 amSTT - SEA
2 stops27h 30mSpirit Airlines
Deal found 3/27$335
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:56 pmSEA - SJU
2 stops19h 44mSpirit Airlines
Fri 4/2510:27 amSJU - SEA
3 stops28h 08mSpirit Airlines
Deal found 3/26$350
This United Airlines deal was found by Cheapflights users on 3/27. 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 9/307:03 amSEA - SJU
1 stop10h 35mUnited Airlines
Tue 10/73:56 pmSJU - SEA
1 stop11h 12mUnited Airlines
Deal found 3/27$353
This American Airlines deal was found by Cheapflights users on 3/27. 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 9/2311:59 pmSEA - SJU
2 stops13h 21mAmerican Airlines
Tue 9/301:55 pmSJU - SEA
2 stops12h 01mAmerican Airlines
Deal found 3/27$357
This Delta deal was found by Cheapflights users on 3/27. 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 4/186:00 amSEA - SJU
1 stop11h 23mDelta
Fri 4/256:15 amSJU - SEA
2 stops17h 35mDelta
Deal found 3/27$392
This JetBlue deal was found by Cheapflights users on 3/25. 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 5/211:35 amSEA - SJU
1 stop10h 54mJetBlue
Fri 5/911:58 amSJU - SEA
1 stop11h 56mJetBlue
Deal found 3/25$409
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/142:30 pmSEA - SJU
3 stops30h 09mMultiple Airlines
Fri 4/185:10 pmSJU - SEA
2 stops27h 49mMultiple Airlines
Deal found 3/25$416
This American Airlines deal was found by Cheapflights users on 3/27. 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 5/51:30 pmSEA - STT
1 stop18h 25mAmerican Airlines
Tue 5/1311:40 amSTT - SEA
1 stop10h 56mAmerican Airlines
Deal found 3/27$443
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/2911:48 amSEA - PUJ
1 stop21h 08mMultiple Airlines
Fri 5/25:08 pmPUJ - SEA
1 stop18h 22mMultiple Airlines
Deal found 3/27$450
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Thu 4/1712:30 pmSEA - PUJ
2 stops20h 14mSpirit Airlines
Fri 4/253:18 pmPUJ - SEA
2 stops23h 17mSpirit Airlines
Deal found 3/27$456
This Delta deal was found by Cheapflights users on 3/27. 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 4/710:59 pmSEA - PUJ
1 stop13h 02mDelta
Thu 4/101:30 pmPUJ - SEA
1 stop13h 00mDelta
Deal found 3/27$457
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:30 pmSEA - MBJ
2 stops20h 32mSpirit Airlines
Tue 5/1312:07 pmMBJ - SEA
2 stops28h 18mSpirit Airlines
Deal found 3/27$468

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 March 28, 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

Thu 4/17

12:30 pm-10:00 am

2 stops18h 30m

Saint Thomas Island Cyril E King

Thu 4/24

11:05 am-11:35 am

2 stops27h 30m

$335

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 4/18

8:56 pm-7:40 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Fri 4/25

10:27 am-11:35 am

3 stops28h 08m

$350

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 4/26

4:27 pm-5:00 am

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Sat 5/3

7:15 am-9:04 pm

1 stop16h 49m

$357

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 4/18

6:00 am-8:23 pm

1 stop11h 23m

San Juan Luis Munoz Marin Intl

Fri 4/25

6:15 am-8:50 pm

2 stops17h 35m

$392

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/2

11:35 am-1:29 am

1 stop10h 54m

San Juan Luis Munoz Marin Intl

Fri 5/9

11:58 am-8:54 pm

1 stop11h 56m

$409

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 4/14

2:30 pm-11:39 pm

3 stops30h 09m

San Juan Luis Munoz Marin Intl

Fri 4/18

5:10 pm-5:59 pm

2 stops27h 49m

$416

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 4/21

11:59 pm-3:40 pm

1 stop12h 41m

San Juan Luis Munoz Marin Intl

Thu 4/24

1:40 pm-11:00 pm

1 stop12h 20m

$430

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 5/5

1:30 pm-10:55 am

1 stop18h 25m

Saint Thomas Island Cyril E King

Tue 5/13

11:40 am-7:36 pm

1 stop10h 56m

$443

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Tue 4/29

11:48 am-11:56 am

1 stop21h 08m

Punta Cana

Fri 5/2

5:08 pm-8:30 am

1 stop18h 22m

$450

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Thu 4/17

12:30 pm-11:44 am

2 stops20h 14m

Punta Cana

Fri 4/25

3:18 pm-11:35 am

2 stops23h 17m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 December is currently the most expensive (average of $336). 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 March 28, 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 March 28, 2025.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
LATAM Airlines
7.5
Good
1,750 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $141. Delta flights start at $179 while deals on American Airlines start at $183 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 - Punta Cana.

  • 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 December is currently the most expensive (average of $336). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$199Average$421FlexibilityNo cancel feeOn-time65%
FrontierCheapest$250Average$479FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$286Average$637FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$325Average$703FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$717FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$340Average$666FlexibilityNo cancel feeOn-time75%
DeltaCheapest$426Average$687FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$584Average$785FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$649Average$923FlexibilityNo cancel feeOn-time67%
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