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$154+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Round-trip from

$260
(FlightHub)

One-way from

$154
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$532

Good round-trip deal

$340 or less

Good one-way deal

$119 or less
From Seattle/Tacoma Intl to Caribbean
Search Deals
One-way flight from Seattle/Tacoma Intl to Caribbean
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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.
mar. 4/2212:30 pmSEA - STT
2 stops21h 23mSpirit Airlines
mar. 4/2910:45 amSTT - SEA
2 stops27h 50mSpirit Airlines
Deal found 2/20$260
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
mié. 4/21:52 pmSEA - PUJ
2 stops23h 43mMultiple Airlines
mié. 4/95:03 pmPUJ - SEA
1 stop19h 33mMultiple Airlines
Deal found 2/20$336
This United Airlines deal was found by Cheapflights users on 2/20. 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. 3/1811:25 pmSEA - NAS
1 stop9h 28mUnited Airlines
mar. 3/252:35 pmNAS - SEA
1 stop11h 14mUnited Airlines
Deal found 2/20$355
This FlightHub deal was found by Cheapflights users on 2/20. 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.
lun. 3/1712:41 pmSEA - PUJ
2 stops20h 36mSpirit Airlines
mar. 3/251:14 pmPUJ - SEA
2 stops22h 29mSpirit Airlines
Deal found 2/20$357
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 4/15:22 amSEA - NAS
2 stops10h 53mAmerican Airlines
mar. 4/82:43 pmNAS - SEA
2 stops11h 26mAmerican Airlines
Deal found 2/20$359
This CheapOair deal was found by Cheapflights users on 2/20. 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.
sáb. 3/812:41 pmSEA - SJU
2 stops29h 09mSpirit Airlines
mar. 3/113:38 amSJU - SEA
2 stops35h 08mSpirit Airlines
Deal found 2/20$363
This Mytrip deal was found by Cheapflights users on 2/20. 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.
vie. 5/96:33 pmSEA - SJU
2 stops26h 39mMultiple Airlines
lun. 5/123:45 pmSJU - SEA
2 stops23h 57mMultiple Airlines
Deal found 2/20$369
This JetBlue deal was found by Cheapflights users on 2/20. 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.
mar. 3/1811:48 pmSEA - SJU
1 stop11h 42mJetBlue
mié. 3/2611:05 amSJU - SEA
1 stop14h 33mJetBlue
Deal found 2/20$373
This United Airlines deal was found by Cheapflights users on 2/20. 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. 3/187:00 amSEA - SJU
2 stops13h 36mUnited Airlines
mar. 3/251:05 amSJU - SEA
1 stop13h 14mUnited Airlines
Deal found 2/20$379
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 3/1810:01 pmSEA - SJU
1 stop15h 33mAmerican Airlines
mié. 3/2611:36 amSJU - SEA
1 stop12h 20mAmerican Airlines
Deal found 2/20$382
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/36:00 amSEA - PUJ
2 stops28h 34mFrontier
dom. 5/113:07 pmPUJ - SEA
2 stops28h 27mFrontier
Deal found 2/20$393
This Priceline deal was found by Cheapflights users on 2/19. 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. 3/1712:41 pmSEA - AUA
2 stops23h 04mSpirit Airlines
mar. 3/253:50 pmAUA - SEA
2 stops19h 53mSpirit Airlines
Deal found 2/19$419

Find flights from Seattle to Caribbean within your budget

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 febrero 20, 2025.

Fly from

Seattle

Fly to

Caribbean

Route

Depart

Return

Price

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mar. 4/22

12:30 pm-12:53 pm

2 stops21h 23m

Saint Thomas Island Cyril E King

mar. 4/29

10:45 am-11:35 am

2 stops27h 50m

$260

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

mié. 4/2

1:52 pm-4:35 pm

2 stops23h 43m

Punta Cana

mié. 4/9

5:03 pm-9:36 am

1 stop19h 33m

$336

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

mar. 3/18

11:25 pm-11:53 am

1 stop9h 28m

Nassau Intl

mar. 3/25

2:35 pm-10:49 pm

1 stop11h 14m

$355

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

lun. 3/17

12:41 pm-12:17 pm

2 stops20h 36m

Punta Cana

mar. 3/25

1:14 pm-8:43 am

2 stops22h 29m

$357

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

mar. 4/1

5:22 am-7:15 pm

2 stops10h 53m

Nassau Intl

mar. 4/8

2:43 pm-11:09 pm

2 stops11h 26m

$359

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

sáb. 3/8

12:41 pm-9:50 pm

2 stops29h 09m

San Juan Luis Munoz Marin Intl

mar. 3/11

3:38 am-11:46 am

2 stops35h 08m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

vie. 5/9

6:33 pm-12:12 am

2 stops26h 39m

San Juan Luis Munoz Marin Intl

lun. 5/12

3:45 pm-12:42 pm

2 stops23h 57m

$369

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 3/18

11:48 pm-2:30 pm

1 stop11h 42m

San Juan Luis Munoz Marin Intl

mié. 3/26

11:05 am-10:38 pm

1 stop14h 33m

$373

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 3/18

7:00 am-11:36 pm

2 stops13h 36m

San Juan Luis Munoz Marin Intl

mar. 3/25

1:05 am-11:19 am

1 stop13h 14m

$379

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 3/18

10:01 pm-4:34 pm

1 stop15h 33m

San Juan Luis Munoz Marin Intl

mié. 3/26

11:36 am-8:56 pm

1 stop12h 20m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Seattle to Caribbean

Get recent, data-driven insights about flights from Seattle to Caribbean including ideal travel times, pricing trends, and more.

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 March is currently the most expensive (average of $363). 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 febrero 20, 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 febrero 20, 2025.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

KLM
7.8
Good
1,333 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Copa Airlines
7.6
Good
1,510 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, which is currently one of the cheapest options available, starting at $154. Spirit Airlines flights start at $155 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 - Punta Cana 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 March is currently the most expensive (average of $363). 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$199Average$489FlexibilityNo cancel feeOn-time65%
FrontierCheapest$267Average$478FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$286Average$646FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$326Average$714FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$702FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$340Average$641FlexibilityNo cancel feeOn-time75%
DeltaCheapest$443Average$684FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$569Average$771FlexibilityNo cancel feeOn-time63%
AeromexicoCheapest$608Average$733FlexibilityNo cancel feeOn-timeN/A
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