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Cheap flights from Seattle to Caribbean from C$ 357

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
11 Jan — 18 Jan1
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 12 December 2025.

Fri 12/127:20 a.m.SEA - SDQ
1 stop14h 28mDelta
Mon 15/126:35 a.m.SDQ - SEA
1 stop19h 48mDelta
Deal found 10/12C$ 825
Fri 12/125:11 p.m.SEA - SDQ
2 stops25h 45mCopa Airlines
Mon 15/126:39 p.m.SDQ - SEA
2 stops31h 51mCopa Airlines
Deal found 11/12C$ 836
Thu 11/123:47 p.m.SEA - UVF
1 stop19h 49mDelta
Mon 22/124:50 p.m.UVF - SEA
1 stop21h 41mDelta
Deal found 10/12C$ 1,354
Thu 18/127:20 a.m.SEA - SDQ
1 stop14h 28mDelta
Sat 27/127:55 p.m.SDQ - SEA
1 stop18h 31mDelta
Deal found 11/12C$ 1,514
Fri 26/123:47 p.m.SEA - UVF
1 stop19h 46mDelta
Fri 9/14:25 p.m.UVF - SEA
1 stop21h 44mDelta
Deal found 12/12C$ 1,546
Fri 26/123:47 p.m.SEA - UVF
1 stop19h 46mDelta
Thu 8/14:25 p.m.UVF - SEA
1 stop21h 44mDelta
Deal found 12/12C$ 1,670
Tue 23/125:00 a.m.SEA - CUR
2 stops27h 17mUnited Airlines
Tue 30/121:16 p.m.CUR - SEA
3 stops32h 50mUnited Airlines
Deal found 10/12C$ 2,269
Tue 23/129:06 a.m.SEA - SDQ
2 stops22h 34mCopa Airlines
Sun 4/17:05 p.m.SDQ - SEA
2 stops32h 03mCopa Airlines
Deal found 9/12C$ 2,317
Wed 24/123:47 p.m.SEA - UVF
1 stop19h 43mDelta
Thu 8/14:25 p.m.UVF - SEA
1 stop21h 44mDelta
Deal found 12/12C$ 2,594
Tue 30/1210:55 p.m.SEA - SDQ
1 stop11h 37mDelta
Sat 3/17:55 p.m.SDQ - SEA
1 stop18h 31mDelta
Deal found 12/12C$ 2,598
Tue 23/123:10 p.m.SEA - BGI
2 stops19h 48mWestJet
Fri 2/13:50 p.m.BGI - SEA
2 stops56h 56mWestJet
Deal found 11/12C$ 3,002
Tue 30/125:54 p.m.SEA - SDQ
2 stops25h 02mCopa Airlines
Sat 3/17:05 p.m.SDQ - SEA
2 stops32h 03mCopa Airlines
Deal found 10/12C$ 3,096

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 12 December 2025.

Round-trip from

C$ 554

One-way from

C$ 357

Popular in

June

Cheapest in

September

Average price

C$ 1,011
United Airlines
  • United Airlines
  • 18/2-25/2
  • 2 total stops
  • 24h 29m total
  • Seattle to Caribbean
Search Deals
Delta
  • Delta
  • 10/1
  • 1 total stop
  • 19h 25m total
  • Seattle to Caribbean
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 65 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 December 2025
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 12 December 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

Wed 18/2

11:35 p.m.-3:06 p.m.

1 stop11h 31m

Santo Domingo Las Americas

Wed 25/2

6:00 a.m.-9:14 p.m.

2 stops19h 14m

C$ 560

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Tue 24/2

7:00 a.m.-11:46 p.m.

2 stops12h 46m

Santo Domingo Las Americas

Tue 10/3

5:00 a.m.-8:58 p.m.

2 stops18h 58m

C$ 596

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Thu 19/2

7:10 a.m.-12:32 a.m.

1 stop13h 22m

Santo Domingo Las Americas

Wed 25/2

7:30 a.m.-10:22 p.m.

1 stop18h 52m

C$ 600

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sat 24/1

10:59 p.m.-2:21 p.m.

1 stop11h 22m

Santo Domingo Las Americas

Sat 31/1

7:31 a.m.-10:25 p.m.

1 stop18h 54m

C$ 610

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Thu 19/2

11:35 p.m.-1:41 p.m.

1 stop10h 06m

Santo Domingo Las Americas

Wed 25/2

6:00 a.m.-7:03 p.m.

2 stops17h 03m

C$ 629

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Sun 18/1

4:05 p.m.-2:45 p.m.

1 stop18h 40m

Willemstad Hato Int.

Mon 26/1

4:10 p.m.-10:07 a.m.

1 stop21h 57m

C$ 654

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Mon 5/1

10:13 p.m.-4:45 p.m.

2 stops14h 32m

Willemstad Hato Int.

Tue 28/4

2:45 p.m.-9:29 a.m.

2 stops21h 44m

C$ 659

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sun 29/3

11:05 p.m.-2:10 p.m.

1 stop12h 05m

Santo Domingo Las Americas

Tue 7/4

6:00 a.m.-3:15 p.m.

1 stop12h 15m

C$ 661

SeattleKralendijk

SEA - BON

SEABON

Seattle/Tacoma Intl

Fri 27/2

4:05 p.m.-3:00 p.m.

1 stop18h 55m

Kralendijk Flamingo Int.

Wed 11/3

3:10 p.m.-9:59 a.m.

1 stop21h 49m

C$ 663

SeattleKralendijk

SEA - BON

SEABON

Seattle/Tacoma Intl

Sat 17/1

4:05 p.m.-2:58 p.m.

1 stop18h 53m

Kralendijk Flamingo Int.

Sun 25/1

4:15 p.m.-10:07 a.m.

1 stop21h 52m

C$ 663

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 36 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, October is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 303). Flying from Seattle to Caribbean in July is currently the most expensive (average of C$ 656). 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 12 December 2025.

It’s optimal to fly from Seattle to Caribbean in the morning. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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 12 December 2025.
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
7.2
Good
11,050 reviews
Check prices

Comfort

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Comfort

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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$ 560, United Airlines can have you in Caribbean from Seattle in 11h 31m. 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 - Willemstad Hato Int., Seattle/Tacoma Intl - The Valley Wallblake Intl 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, October is the cheapest month in which you can book a flight from Seattle to Caribbean (average of C$ 303). Flying from Seattle to Caribbean in July is currently the most expensive (average of C$ 656). 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

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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 660AverageC$ 882FlexibilityNo 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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