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Cheap flights from Seattle to Caribbean from C$ 429

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
31 Aug — 7 Sep1
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 1 August 2026.

Thu 10/94:30 p.m.
SEA
-
SDQ
2 stops16h 25m
United Airlines
Fri 25/91:10 p.m.
SDQ
-
SEA
1 stop11h 45m
United Airlines
Deal found 28/7C$ 906
Tue 29/99:40 p.m.
SEA
-
SDQ
1 stop17h 17m
JetBlue
Thu 1/107:00 a.m.
SDQ
-
SEA
1 stop16h 44m
JetBlue
Deal found 27/7C$ 967
Sun 30/811:00 p.m.
SEA
-
SDQ
2 stops12h 10m
United Airlines
Sun 6/96:00 a.m.
SDQ
-
SEA
1 stop15h 41m
United Airlines
Deal found 1/8C$ 977
Tue 8/1212:15 p.m.
SEA
-
SDQ
2 stops23h 58m
Copa Airlines
Wed 9/127:03 p.m.
SDQ
-
SEA
2 stops33h 30m
Copa Airlines
Deal found 27/7C$ 991
Tue 11/84:45 p.m.
SEA
-
SDQ
2 stops20h 30m
Copa Airlines
Sun 16/82:17 p.m.
SDQ
-
SEA
2 stops34h 34m
Copa Airlines
Deal found 29/7C$ 1,009
Wed 16/97:30 a.m.
SEA
-
SDQ
1 stop12h 16m
United Airlines
Mon 21/91:10 p.m.
SDQ
-
SEA
1 stop13h 26m
United Airlines
Deal found 28/7C$ 1,012
Thu 10/96:52 p.m.
SEA
-
CUR
2 stops20h 39m
Copa Airlines
Thu 1/103:38 p.m.
CUR
-
SEA
2 stops33h 21m
Copa Airlines
Deal found 29/7C$ 1,025
Wed 30/98:29 p.m.
SEA
-
CUR
2 stops15h 07m
Copa Airlines
Wed 7/107:21 p.m.
CUR
-
SEA
2 stops32h 54m
Copa Airlines
Deal found 30/7C$ 1,068
Sat 12/910:58 p.m.
SEA
-
SDQ
1 stop12h 12m
United Airlines
Sat 19/96:00 a.m.
SDQ
-
SEA
1 stop20h 36m
United Airlines
Deal found 29/7C$ 1,074
Fri 4/123:51 p.m.
SEA
-
SDQ
2 stops19h 15m
United Airlines
Wed 9/126:00 a.m.
SDQ
-
SEA
1 stop19h 05m
United Airlines
Deal found 29/7C$ 1,081
Fri 16/108:29 p.m.
SEA
-
SDQ
2 stops26h 56m
Copa Airlines
Sun 18/102:16 p.m.
SDQ
-
SEA
2 stops34h 43m
Copa Airlines
Deal found 28/7C$ 1,099
Mon 26/1011:15 p.m.
SEA
-
SDQ
1 stop10h 26m
United Airlines
Fri 30/105:00 a.m.
SDQ
-
SEA
1 stop19h 39m
United Airlines
Deal found 29/7C$ 1,102

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 1 August 2026.

Round-trip from

C$ 855

One-way from

C$ 429

Popular in

June

Cheapest in

April

Average price

C$ 1,057
United Airlines
  • United Airlines
  • 1/1-30/1
  • 3 total stops
  • 37h 05m total
  • Seattle to Caribbean
Search Deals
United Airlines
  • United Airlines
  • 28/8
  • 1 total stop
  • 9h 57m total
  • Seattle to Caribbean
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 1 August 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

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Fri 1/1

7:04 p.m.-2:40 p.m.

2 stops15h 36m

Bridgetown Grantley Adams Intl

Sat 30/1

5:30 p.m.-10:59 a.m.

1 stop21h 29m

C$ 855

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Fri 8/1

7:32 p.m.-2:40 p.m.

2 stops15h 08m

Bridgetown Grantley Adams Intl

Sat 16/1

5:30 p.m.-10:59 a.m.

1 stop21h 29m

C$ 855
Quickest round-trip

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sun 30/8

11:00 p.m.-2:10 p.m.

2 stops12h 10m

Santo Domingo Las Americas

Sun 6/9

6:00 a.m.-6:41 p.m.

1 stop15h 41m

C$ 977

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Tue 8/12

12:15 p.m.-4:13 p.m.

2 stops23h 58m

Santo Domingo Las Americas

Wed 9/12

7:03 p.m.-12:33 a.m.

2 stops33h 30m

C$ 991

SeattleSt. George's

SEA - GND

SEAGND

Seattle/Tacoma Intl

Wed 20/1

2:00 p.m.-3:20 p.m.

1 stop21h 20m

St. George's Point Saline Intl

Thu 28/1

4:35 p.m.-10:26 a.m.

1 stop21h 51m

C$ 1,004

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Thu 10/9

6:52 p.m.-6:31 p.m.

2 stops20h 39m

Willemstad Hato Int.

Thu 1/10

3:38 p.m.-9:59 p.m.

2 stops33h 21m

C$ 1,025

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Tue 29/9

4:35 p.m.-6:31 p.m.

2 stops22h 56m

Willemstad Hato Int.

Wed 7/10

7:21 p.m.-9:59 p.m.

2 stops29h 38m

C$ 1,025

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Fri 22/1

1:16 p.m.-2:35 p.m.

2 stops21h 19m

Willemstad Hato Int.

Sun 31/1

3:32 p.m.-12:33 a.m.

2 stops37h 01m

C$ 1,030

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Fri 4/12

3:51 p.m.-3:06 p.m.

2 stops19h 15m

Santo Domingo Las Americas

Wed 9/12

6:00 a.m.-11:21 p.m.

3 stops21h 21m

C$ 1,081

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 26/10

9:00 a.m.-12:41 p.m.

2 stops24h 41m

Santo Domingo Las Americas

Fri 30/10

5:00 a.m.-9:39 p.m.

1 stop19h 39m

C$ 1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 33 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, January is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 794). Flying from Seattle to Caribbean in December is currently the most expensive (average of C$ 1,112). 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 1 August 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
11,845 reviews
Check prices

Boarding

7.5

Crew

7.9

Overall

7.1

Comfort

7.2

Entertainment

6.8

Food

6.4

Reviews

1 / 20
10.0
Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go
American Airlines
7.1
Good
11,845 reviews
American Airlines
7.1
Good
11,845 reviews
Check prices

Boarding

7.5

Crew

7.9

Overall

7.1

Comfort

7.2

Entertainment

6.8

Food

6.4

Reviews

1 / 20
10.0
Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go

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$ 855, United Airlines can have you in Caribbean from Seattle in 15h 36m. The distance from Seattle to Caribbean is about 6902 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, January is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 794). Flying from Seattle to Caribbean in December is currently the most expensive (average of C$ 1,112). 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 564AverageC$ 896FlexibilityNo 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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