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Cheap flights from Seattle to Caribbean from C$ 263

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 625

One-way from

C$ 263

Popular in

June

Cheapest in

September

Average price

C$ 885
Delta
  • Delta
  • 23/10-30/10
  • 2 total stops
  • 35h 13m total
  • Seattle to Caribbean
Search Deals
JetBlue
  • JetBlue
  • 25/10
  • 1 total stop
  • 11h 18m total
  • Seattle to Caribbean
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 11 September 2025.

Thu 23/103:40 p.m.SEA - SDQ
1 stop17h 44mDelta
Thu 30/107:49 p.m.SDQ - SEA
1 stop17h 29mDelta
Deal found 10/9C$ 625
Mon 3/119:59 p.m.SEA - SDQ
1 stop11h 25mDelta
Tue 11/116:45 a.m.SDQ - SEA
1 stop19h 40mDelta
Deal found 10/9C$ 628
Thu 2/103:45 p.m.SEA - SDQ
1 stop17h 35mDelta
Wed 15/107:49 p.m.SDQ - SEA
1 stop17h 29mDelta
Deal found 10/9C$ 696
Thu 27/119:59 p.m.SEA - SDQ
1 stop17h 09mDelta
Wed 3/126:35 a.m.SDQ - SEA
1 stop17h 23mDelta
Deal found 11/9C$ 698
Thu 25/97:45 a.m.SEA - SDQ
1 stop13h 51mDelta
Tue 30/97:40 p.m.SDQ - SEA
1 stop17h 35mDelta
Deal found 9/9C$ 725
Thu 13/113:46 p.m.SEA - SDQ
1 stop17h 37mDelta
Sun 16/118:40 p.m.SDQ - SEA
1 stop17h 46mDelta
Deal found 11/9C$ 728
Mon 22/97:30 p.m.SEA - SDQ
2 stops13h 50mDelta
Thu 16/107:49 p.m.SDQ - SEA
1 stop17h 29mDelta
Deal found 10/9C$ 730
Fri 7/111:20 p.m.SEA - BON
2 stops25h 35mUnited Airlines
Sun 16/117:25 a.m.BON - SEA
2 stops21h 34mUnited Airlines
Deal found 10/9C$ 822
Sat 20/99:58 p.m.SEA - SDQ
1 stop11h 22mDelta
Mon 29/96:03 a.m.SDQ - SEA
1 stop17h 13mDelta
Deal found 10/9C$ 825
Fri 10/103:45 p.m.SEA - UVF
1 stop19h 36mDelta
Fri 17/103:41 p.m.UVF - SEA
1 stop21h 33mDelta
Deal found 10/9C$ 840
Mon 13/105:43 p.m.SEA - CUR
2 stops16h 34mAmerican Airlines
Mon 20/104:34 p.m.CUR - SEA
2 stops21h 56mAmerican Airlines
Deal found 11/9C$ 861
Sat 27/1210:06 p.m.SEA - BGI
1 stop21h 13mAmerican Airlines
Sat 10/14:50 p.m.BGI - SEA
1 stop23h 06mAmerican Airlines
Deal found 11/9C$ 1,267

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 629,999 searches. Data last updated 11 September 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

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 3/11

9:59 p.m.-1:24 p.m.

1 stop11h 25m

Santo Domingo Las Americas

Tue 11/11

6:45 a.m.-10:25 p.m.

1 stop19h 40m

C$ 628

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sun 22/2

9:55 p.m.-1:30 p.m.

1 stop11h 35m

Santo Domingo Las Americas

Tue 3/3

7:05 a.m.-10:16 p.m.

1 stop19h 11m

C$ 628

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 2/3

9:55 p.m.-1:30 p.m.

1 stop11h 35m

Santo Domingo Las Americas

Thu 5/3

7:05 a.m.-10:16 p.m.

1 stop19h 11m

C$ 628

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 23/2

9:55 p.m.-6:35 p.m.

1 stop16h 40m

Santo Domingo Las Americas

Mon 9/3

7:05 a.m.-10:16 p.m.

1 stop18h 11m

C$ 628

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Mon 9/3

3:20 p.m.-1:45 p.m.

1 stop19h 25m

Willemstad Hato Int.

Wed 11/3

3:10 p.m.-10:29 a.m.

1 stop22h 19m

C$ 660

SeattleKralendijk

SEA - BON

SEABON

Seattle/Tacoma Intl

Fri 7/11

1:20 p.m.-6:55 p.m.

2 stops25h 35m

Kralendijk Flamingo Int.

Sun 16/11

7:25 a.m.-12:59 a.m.

2 stops21h 34m

C$ 822

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 10/10

3:45 p.m.-2:21 p.m.

1 stop19h 36m

Castries Hewanorra

Fri 17/10

3:41 p.m.-10:14 a.m.

1 stop21h 33m

C$ 840

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Mon 13/10

8:49 p.m.-1:17 p.m.

1 stop13h 28m

Willemstad Hato Int.

Mon 20/10

4:34 p.m.-11:30 a.m.

2 stops21h 56m

C$ 861

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Tue 3/3

11:35 p.m.-3:20 p.m.

1 stop11h 45m

Bridgetown Grantley Adams Intl

Fri 6/3

4:30 p.m.-10:29 a.m.

1 stop21h 59m

C$ 944

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Tue 10/2

12:27 a.m.-10:15 p.m.

2 stops17h 48m

Bridgetown Grantley Adams Intl

Fri 13/2

8:55 a.m.-11:25 p.m.

1 stop18h 30m

C$ 949

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 46 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, April is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 254). Flying from Seattle to Caribbean in July is currently the most expensive (average of C$ 580). 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 11 September 2025.

When flying from Seattle to Caribbean, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Caribbean. It is only a 18.4 km journey to Seattle/Tacoma Intl (SEA) from Seattle’s city centre.

  • How long is the flight from Seattle to Caribbean?

    For as low as C$ 628, Delta can have you in Caribbean from Seattle in 11h 25m. The distance from Seattle to Caribbean is about 5724 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Seattle to Caribbean are JetBlue (C$ 263), United Airlines (C$ 285), and Delta (C$ 546).

  • What are the most popular routes from Seattle to Caribbean?

    Most travellers choose Seattle/Tacoma Intl - The Valley Wallblake Intl, Seattle/Tacoma Intl - Willemstad Hato Int. or Seattle/Tacoma Intl - Nagua Samaná El Catey when deciding on the best route from Seattle to Caribbean.

  • 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, April is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 254). Flying from Seattle to Caribbean in July is currently the most expensive (average of C$ 580). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Caribbean

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Caribbean?

Cheapflights helps you search for flights from Seattle to Caribbean via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Caribbean?

Cheapflights helps you find that perfect flight to Caribbean from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to Caribbean with no change fees?

Certainly. Search results for flights to Caribbean from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Caribbean become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Caribbean flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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