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Cheap flights from Seattle to Caribbean from C$ 326

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
2 Apr — 9 Apr1
1 adult

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 28 March 2025.

Round-trip from

C$ 690

One-way from

C$ 326

Popular in

December

Cheapest in

January

Average price

C$ 950
Delta
  • Delta
  • 5/5-9/5
  • 4 total stops
  • 34h 16m total
  • Seattle to Caribbean
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Delta
  • Delta
  • 12/5
  • 2 total stops
  • 14h 23m total
  • Seattle to Caribbean
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in March 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 28 March 2025.

Mon 5/511:30 p.m.SEA - SDQ
2 stops15h 53mDelta
Fri 9/57:00 a.m.SDQ - SEA
2 stops18h 23mDelta
Deal found 27/3C$ 690
Wed 7/55:40 p.m.SEA - SDQ
2 stops15h 15mUnited Airlines
Wed 14/56:00 a.m.SDQ - SEA
2 stops21h 59mUnited Airlines
Deal found 27/3C$ 819
Fri 30/55:14 p.m.SEA - BON
2 stops17h 33mUnited Airlines
Sun 8/66:35 a.m.BON - SEA
1 stop19h 25mUnited Airlines
Deal found 27/3C$ 1,121
Fri 25/711:35 p.m.SEA - CUR
1 stop11h 36mDelta
Fri 1/83:32 p.m.CUR - SEA
1 stop11h 36mDelta
Deal found 28/3C$ 1,229
Sun 11/511:38 a.m.SEA - SDQ
1 stop11h 23mJetBlue
Sun 18/510:02 a.m.SDQ - SEA
1 stop13h 52mJetBlue
Deal found 27/3C$ 1,276
Thu 20/1111:59 p.m.SEA - GND
1 stop11h 58mJetBlue
Sat 29/111:00 p.m.GND - SEA
1 stop13h 49mJetBlue
Deal found 28/3C$ 1,392
Sun 4/512:55 p.m.SEA - CUR
3 stops44h 22mUnited Airlines
Sat 10/52:50 p.m.CUR - SEA
2 stops23h 35mUnited Airlines
Deal found 28/3C$ 1,466
Fri 19/122:00 p.m.SEA - CUR
2 stops18h 22mCopa Airlines
Mon 22/121:19 p.m.CUR - SEA
2 stops27h 09mCopa Airlines
Deal found 27/3C$ 2,354
Sun 11/57:15 p.m.SEA - AXA
3 stops19h 20mMultiple Airlines
Sun 18/510:35 a.m.AXA - SEA
3 stops15h 15mMultiple Airlines
Deal found 27/3C$ 2,500

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 28 March 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 5/5

11:30 p.m.-6:23 p.m.

2 stops15h 53m

Santo Domingo Las Americas

Fri 9/5

7:00 a.m.-10:23 p.m.

2 stops18h 23m

C$ 690

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Wed 7/5

5:40 p.m.-11:55 a.m.

2 stops15h 15m

Santo Domingo Las Americas

Wed 14/5

6:00 a.m.-12:59 a.m.

2 stops21h 59m

C$ 819

SeattleKralendijk

SEA - BON

SEABON

Seattle/Tacoma Intl

Fri 30/5

5:14 p.m.-1:47 p.m.

2 stops17h 33m

Kralendijk Flamingo Int.

Sun 8/6

6:35 a.m.-11:00 p.m.

1 stop19h 25m

C$ 1,121

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Fri 25/7

11:35 p.m.-2:11 p.m.

1 stop11h 36m

Willemstad Hato Int.

Fri 1/8

3:32 p.m.-12:08 a.m.

1 stop11h 36m

C$ 1,229

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Sun 11/5

11:38 a.m.-2:01 a.m.

1 stop11h 23m

Santo Domingo Las Americas

Sun 18/5

10:02 a.m.-8:54 p.m.

1 stop13h 52m

C$ 1,276

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Sun 4/5

12:55 p.m.-12:17 p.m.

3 stops44h 22m

Willemstad Hato Int.

Sat 10/5

2:50 p.m.-11:25 a.m.

2 stops23h 35m

C$ 1,466

SeattleThe Valley

SEA - AXA

SEAAXA

Seattle/Tacoma Intl

Sun 11/5

7:15 p.m.-5:35 p.m.

3 stops19h 20m

The Valley Wallblake Intl

Sun 18/5

10:35 a.m.-10:50 p.m.

3 stops15h 15m

C$ 2,500

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Mon 12/5

7:35 p.m.-12:58 p.m.

2 stops14h 23m

C$ 326

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Sat 10/5

4:20 p.m.-2:33 p.m.

2 stops19h 13m

C$ 396

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Sat 10/5

10:40 p.m.-2:05 p.m.

1 stop12h 25m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 12 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 28 March 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.

Rainfall in Caribbean by month

Plan your trip to Caribbean by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean ranges from 40.0 - 180.0 mm per month. October is typically the wettest month, when rainfall can reach 180.0 mm. February is typically the driest time to visit Caribbean when rainfall is around 40.0 mm.

Temperature in Caribbean by month

Plan your trip to Caribbean by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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 28 March 2025.
Delta
8.0
Very good
7,896 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 Delta (C$ 326), JetBlue (C$ 430), and United Airlines (C$ 452).

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

    Most travellers choose Seattle/Tacoma Intl - The Valley Wallblake Intl, Seattle/Tacoma Intl - Kralendijk Flamingo Int. or Seattle/Tacoma Intl - St. George's Point Saline 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, 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

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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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 556AverageC$ 721FlexibilityNo 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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