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Cheap flights from Seattle to Caribbean from C$ 345

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
2 Jun — 9 Jun1
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 3 May 2026.

Wed 3/67:15 a.m.
SEA
-
SDQ
1 stop14h 26m
Delta
Wed 10/66:06 a.m.
SDQ
-
SEA
1 stop17h 13m
Delta
Deal found 29/4C$ 723
Fri 12/64:00 p.m.
SEA
-
SDQ
1 stop17h 39m
Delta
Fri 19/67:35 p.m.
SDQ
-
SEA
1 stop17h 30m
Delta
Deal found 30/4C$ 776
Mon 8/64:00 p.m.
SEA
-
SDQ
1 stop17h 39m
Delta
Fri 12/67:35 p.m.
SDQ
-
SEA
1 stop17h 30m
Delta
Deal found 30/4C$ 836
Wed 17/610:20 p.m.
SEA
-
SDQ
1 stop11h 19m
Delta
Wed 24/66:06 a.m.
SDQ
-
SEA
1 stop20h 02m
Delta
Deal found 29/4C$ 889
Fri 30/103:55 p.m.
SEA
-
GND
1 stop19h 20m
Delta
Sat 7/114:30 p.m.
GND
-
SEA
1 stop21h 56m
Delta
Deal found 30/4C$ 890
Mon 19/106:51 p.m.
SEA
-
CUR
2 stops16h 45m
Copa Airlines
Tue 3/117:31 p.m.
CUR
-
SEA
2 stops27h 37m
Copa Airlines
Deal found 29/4C$ 916
Tue 1/126:51 p.m.
SEA
-
CUR
2 stops15h 44m
Copa Airlines
Wed 9/123:37 p.m.
CUR
-
SEA
2 stops36h 56m
Copa Airlines
Deal found 3/5C$ 939
Fri 15/55:00 p.m.
SEA
-
SDQ
1 stop17h 23m
Delta
Sun 24/56:05 a.m.
SDQ
-
SEA
1 stop19h 40m
Delta
Deal found 1/5C$ 959
Fri 18/910:47 p.m.
SEA
-
SDQ
2 stops20h 59m
United Airlines
Sat 26/96:00 a.m.
SDQ
-
SEA
3 stops20h 26m
United Airlines
Deal found 30/4C$ 976
Tue 5/54:32 p.m.
SEA
-
SDQ
2 stops16h 10m
Copa Airlines
Tue 12/52:14 p.m.
SDQ
-
SEA
2 stops32h 34m
Copa Airlines
Deal found 1/5C$ 988
Sun 10/55:00 p.m.
SEA
-
SDQ
1 stop17h 24m
Delta
Fri 15/57:35 p.m.
SDQ
-
SEA
1 stop17h 30m
Delta
Deal found 2/5C$ 995
Thu 7/56:58 p.m.
SEA
-
SDQ
2 stops18h 17m
Copa Airlines
Wed 13/56:39 p.m.
SDQ
-
SEA
2 stops30h 19m
Copa Airlines
Deal found 1/5C$ 996

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 3 May 2026.

Round-trip from

C$ 723

One-way from

C$ 345

Popular in

December

Cheapest in

January

Average price

C$ 905
Delta
  • Delta
  • 3/6-10/6
  • 2 total stops
  • 31h 39m total
  • Seattle to Caribbean
Search Deals
Delta
  • Delta
  • 19/9
  • 1 total stop
  • 11h 25m total
  • Seattle to Caribbean
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 3 May 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

Wed 3/6

7:15 a.m.-12:41 a.m.

1 stop14h 26m

Santo Domingo Las Americas

Wed 10/6

6:06 a.m.-8:19 p.m.

1 stop17h 13m

C$ 723
Quickest round-trip

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sun 13/9

9:55 p.m.-12:20 p.m.

1 stop11h 25m

Santo Domingo Las Americas

Sun 20/9

7:40 p.m.-10:24 a.m.

1 stop17h 44m

C$ 723

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 8/6

4:00 p.m.-12:39 p.m.

1 stop17h 39m

Santo Domingo Las Americas

Fri 12/6

7:35 p.m.-12:52 p.m.

2 stops20h 17m

C$ 730

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Fri 12/6

4:00 p.m.-12:39 p.m.

1 stop17h 39m

Santo Domingo Las Americas

Fri 19/6

7:35 p.m.-10:05 a.m.

1 stop17h 30m

C$ 776

SeattleSt. George's

SEA - GND

SEAGND

Seattle/Tacoma Intl

Fri 30/10

3:55 p.m.-2:15 p.m.

1 stop19h 20m

St. George's Point Saline Intl

Sat 7/11

4:30 p.m.-10:26 a.m.

1 stop21h 56m

C$ 890

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Mon 19/10

6:51 p.m.-2:36 p.m.

2 stops16h 45m

Willemstad Hato Int.

Tue 3/11

7:31 p.m.-7:08 p.m.

2 stops27h 37m

C$ 950

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Mon 1/6

5:04 p.m.-2:36 p.m.

2 stops18h 32m

Willemstad Hato Int.

Mon 8/6

3:39 p.m.-7:18 p.m.

2 stops30h 39m

C$ 1,004

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 19/8

5:30 p.m.-2:14 p.m.

1 stop17h 44m

Castries Hewanorra

Mon 24/8

3:34 p.m.-9:49 a.m.

1 stop21h 15m

C$ 1,052

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Tue 28/7

8:30 a.m.-6:31 p.m.

2 stops31h 01m

Willemstad Hato Int.

Sun 2/8

7:31 p.m.-9:59 p.m.

2 stops29h 28m

C$ 1,099

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Mon 1/6

5:04 p.m.-1:24 p.m.

2 stops41h 20m

Bridgetown Grantley Adams Intl

Mon 8/6

2:29 p.m.-7:18 p.m.

2 stops31h 49m

C$ 1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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

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.

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$ 227). Flying from Seattle to Caribbean in April is currently the most expensive (average of C$ 1,617). 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.

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 3 May 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
11,672 reviews
Check prices

Crew

7.9

Overall

7.1

Comfort

7.2

Food

6.4

Boarding

7.5

Entertainment

6.9

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
11,672 reviews
American Airlines
7.1
Good
11,672 reviews
Check prices

Crew

7.9

Overall

7.1

Comfort

7.2

Food

6.4

Boarding

7.5

Entertainment

6.9

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$ 723, Delta can have you in Caribbean from Seattle in 14h 26m. 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$ 227). Flying from Seattle to Caribbean in April is currently the most expensive (average of C$ 1,617). 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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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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