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Cheap flights from Seattle to Caribbean from C$ 362

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Caribbean

Enter your travel dates to find the best prices.

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 16 June 2026.

Sun 25/109:55 p.m.
SEA
-
SDQ
1 stop11h 29m
Delta
Fri 30/107:49 p.m.
SDQ
-
SEA
1 stop18h 06m
Delta
Deal found 11/6C$ 758
Fri 23/1011:05 p.m.
SEA
-
SDQ
2 stops16h 19m
Delta
Wed 4/118:49 p.m.
SDQ
-
SEA
1 stop18h 06m
Delta
Deal found 11/6C$ 765
Thu 24/910:40 p.m.
SEA
-
SDQ
1 stop10h 40m
Delta
Mon 12/107:49 p.m.
SDQ
-
SEA
1 stop17h 46m
Delta
Deal found 11/6C$ 805
Wed 21/1011:35 p.m.
SEA
-
SDQ
1 stop11h 06m
Delta
Sat 31/107:49 p.m.
SDQ
-
SEA
2 stops21h 11m
Delta
Deal found 11/6C$ 812
Tue 25/811:06 p.m.
SEA
-
SDQ
1 stop14h 24m
Multiple Airlines
Tue 1/93:35 p.m.
SDQ
-
SEA
2 stops25h 29m
Multiple Airlines
Deal found 13/6C$ 871
Thu 27/88:13 a.m.
SEA
-
SDQ
1 stop11h 59m
Multiple Airlines
Tue 1/93:35 p.m.
SDQ
-
SEA
2 stops25h 29m
Multiple Airlines
Deal found 13/6C$ 893
Fri 18/93:54 p.m.
SEA
-
UVF
2 stops18h 37m
United Airlines
Sat 26/92:35 p.m.
UVF
-
SEA
2 stops35h 10m
United Airlines
Deal found 13/6C$ 893
Wed 26/85:02 p.m.
SEA
-
SDQ
2 stops17h 20m
American Airlines
Tue 1/94:24 p.m.
SDQ
-
SEA
1 stop10h 56m
American Airlines
Deal found 13/6C$ 911
Tue 25/88:13 a.m.
SEA
-
SDQ
1 stop10h 32m
Multiple Airlines
Wed 2/910:19 a.m.
SDQ
-
SEA
1 stop14h 41m
Multiple Airlines
Deal found 13/6C$ 920
Mon 28/910:58 p.m.
SEA
-
SDQ
1 stop20h 48m
United Airlines
Thu 1/106:00 a.m.
SDQ
-
SEA
1 stop18h 55m
United Airlines
Deal found 15/6C$ 925
Tue 25/83:50 p.m.
SEA
-
SDQ
1 stop18h 38m
Delta
Tue 1/92:53 p.m.
SDQ
-
SEA
1 stop12h 04m
Delta
Deal found 13/6C$ 931
Wed 26/85:30 a.m.
SEA
-
SDQ
2 stops16h 24m
Delta
Wed 2/96:05 a.m.
SDQ
-
SEA
2 stops19h 00m
Delta
Deal found 13/6C$ 938

Find flight deals from Seattle to Caribbean

Keep the following information in mind while searching for Seattle to Caribbean flight deals. Data was last updated 16 June 2026.

Round-trip from

C$ 758

One-way from

C$ 362

Popular in

June

Cheapest in

January

Average price

C$ 1,180
Delta
  • Delta
  • 24/10-4/11
  • 2 total stops
  • 29h 35m total
  • Seattle to Caribbean
Search Deals
Delta
  • Delta
  • 19/9
  • 2 total stops
  • 15h 40m total
  • Seattle to Caribbean
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 16 June 2026.
Use the filters below to find and compare flights from Seattle to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Thu 22/10

9:20 p.m.-1:41 p.m.

1 stop13h 21m

Santo Domingo Las Americas

Wed 4/11

8:49 p.m.-10:55 a.m.

1 stop18h 06m

C$ 758

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Thu 22/10

3:30 p.m.-12:24 p.m.

1 stop17h 54m

Santo Domingo Las Americas

Sat 31/10

7:49 p.m.-11:55 a.m.

1 stop19h 06m

C$ 758

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sun 25/10

3:30 p.m.-12:24 p.m.

1 stop17h 54m

Santo Domingo Las Americas

Thu 29/10

7:49 p.m.-2:25 p.m.

1 stop21h 36m

C$ 758

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 18/9

3:54 p.m.-1:31 p.m.

2 stops18h 37m

Castries Hewanorra

Sat 26/9

2:35 p.m.-10:45 p.m.

2 stops35h 10m

C$ 893

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 28/9

10:58 p.m.-10:46 p.m.

1 stop20h 48m

Santo Domingo Las Americas

Thu 1/10

6:00 a.m.-9:55 p.m.

1 stop18h 55m

C$ 925
Quickest round-trip

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Thu 27/8

3:50 p.m.-1:28 p.m.

1 stop18h 38m

Santo Domingo Las Americas

Tue 1/9

2:53 p.m.-11:57 p.m.

1 stop12h 04m

C$ 931

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 28/9

7:00 a.m.-10:46 p.m.

1 stop12h 46m

Santo Domingo Las Americas

Fri 2/10

6:00 a.m.-10:59 p.m.

2 stops19h 59m

C$ 932

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Tue 25/8

6:31 p.m.-12:39 p.m.

2 stops15h 08m

Santo Domingo Las Americas

Wed 2/9

6:05 a.m.-10:05 p.m.

2 stops19h 00m

C$ 938

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Wed 26/8

5:30 a.m.-12:54 a.m.

2 stops16h 24m

Santo Domingo Las Americas

Wed 2/9

6:05 a.m.-11:20 p.m.

1 stop20h 15m

C$ 938

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Tue 10/11

5:30 p.m.-2:37 p.m.

2 stops17h 07m

Willemstad Hato Int.

Sat 14/11

3:34 p.m.-11:21 p.m.

2 stops35h 47m

C$ 980

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Showing 1-10 of 40 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 233). Flying from Seattle to Caribbean in January is currently the most expensive (average of C$ 7,080). 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.

How far ahead should I book a flight from Seattle to Caribbean?

The best time to book flights from Seattle to Caribbean is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 16 June 2026.
Read reviews from past customers who have flown American Airlines from Seattle to Caribbean. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,668 reviews
Check prices

Boarding

7.5

Comfort

7.2

Crew

7.9

Overall

7.1

Entertainment

6.8

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,668 reviews
American Airlines
7.1
Good
11,668 reviews
Check prices

Boarding

7.5

Comfort

7.2

Crew

7.9

Overall

7.1

Entertainment

6.8

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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$ 758, Delta can have you in Caribbean from Seattle in 13h 21m. 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 most popular routes from Seattle to Caribbean?

    Most travellers choose Seattle/Tacoma Intl - The Valley Wallblake Intl, Seattle/Tacoma Intl - Nagua Samaná El Catey or Seattle/Tacoma Intl - Bridgetown Grantley Adams Intl 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, May is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 233). Flying from Seattle to Caribbean in January is currently the most expensive (average of C$ 7,080). 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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Top airline flying from Seattle to Caribbean

Discover the top airline 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 629,999 searches. Data last updated 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 563AverageC$ 894FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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