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Cheap flights from Seattle to Caribbean from C$ 291

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 669

One-way from

C$ 291

Popular in

December

Cheapest in

September

Average price

C$ 1,114
Delta
  • Delta
  • 4/6-11/6
  • 4 total stops
  • 32h 54m total
  • Seattle to Caribbean
JetBlue
  • JetBlue
  • 15/9
  • 1 total stop
  • 11h 35m total
  • Seattle to Caribbean
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 29 April 2025.

Wed 4/66:00 a.m.SEA - SDQ
2 stops15h 19mDelta
Wed 11/66:00 a.m.SDQ - SEA
2 stops17h 35mDelta
Deal found 28/4C$ 669
Thu 12/611:30 a.m.SEA - SDQ
1 stop11h 59mJetBlue
Thu 19/69:05 a.m.SDQ - SEA
1 stop13h 53mJetBlue
Deal found 28/4C$ 759
Fri 30/511:59 p.m.SEA - BON
1 stop14h 55mUnited Airlines
Sun 8/66:35 a.m.BON - SEA
1 stop19h 25mUnited Airlines
Deal found 28/4C$ 789
Thu 13/1110:26 p.m.SEA - SDQ
1 stop12h 39mUnited Airlines
Sun 16/114:20 p.m.SDQ - SEA
3 stops28h 18mUnited Airlines
Deal found 28/4C$ 849
Fri 19/95:30 p.m.SEA - CUR
1 stop17h 21mDelta
Sat 27/93:11 p.m.CUR - SEA
1 stop12h 00mDelta
Deal found 28/4C$ 937
Sat 16/85:14 p.m.SEA - CUR
2 stops18h 19mCopa Airlines
Sun 24/83:36 p.m.CUR - SEA
2 stops24h 54mCopa Airlines
Deal found 27/4C$ 1,002
Fri 19/911:10 p.m.SEA - CUR
1 stop11h 30mUnited Airlines
Sat 27/91:22 p.m.CUR - SEA
2 stops32h 56mUnited Airlines
Deal found 28/4C$ 1,181
Thu 20/1111:59 p.m.SEA - GND
1 stop11h 58mJetBlue
Sat 29/111:00 p.m.GND - SEA
1 stop13h 49mJetBlue
Deal found 28/4C$ 1,318
Thu 12/65:14 p.m.SEA - AXA
3 stops21h 01mMultiple Airlines
Thu 19/69:35 a.m.AXA - SEA
2 stops18h 24mMultiple Airlines
Deal found 28/4C$ 2,112

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 29 April 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 4/6

9:45 p.m.-12:58 p.m.

1 stop12h 13m

Santo Domingo Las Americas

Wed 11/6

6:00 a.m.-8:49 p.m.

2 stops17h 49m

C$ 669

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Thu 12/6

11:30 a.m.-2:29 a.m.

1 stop11h 59m

Santo Domingo Las Americas

Thu 19/6

9:05 a.m.-7:58 p.m.

1 stop13h 53m

C$ 759

SeattleKralendijk

SEA - BON

SEABON

Seattle/Tacoma Intl

Fri 30/5

11:59 p.m.-5:54 p.m.

1 stop14h 55m

Kralendijk Flamingo Int.

Sun 8/6

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

1 stop19h 25m

C$ 789

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Wed 4/6

12:35 p.m.-11:55 a.m.

3 stops20h 20m

Santo Domingo Las Americas

Wed 11/6

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

2 stops20h 00m

C$ 916

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Fri 19/9

5:30 p.m.-1:51 p.m.

1 stop17h 21m

Willemstad Hato Int.

Sat 27/9

3:11 p.m.-12:11 a.m.

1 stop12h 00m

C$ 937

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Sat 16/8

5:14 p.m.-2:33 p.m.

2 stops18h 19m

Willemstad Hato Int.

Sun 24/8

3:36 p.m.-1:30 p.m.

2 stops24h 54m

C$ 1,002

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Fri 19/9

11:10 p.m.-1:40 p.m.

1 stop11h 30m

Willemstad Hato Int.

Sat 27/9

1:22 p.m.-7:18 p.m.

2 stops32h 56m

C$ 1,181

SeattleThe Valley

SEA - AXA

SEAAXA

Seattle/Tacoma Intl

Thu 12/6

5:14 p.m.-5:15 p.m.

3 stops21h 01m

The Valley Wallblake Intl

Thu 19/6

9:35 a.m.-12:59 a.m.

2 stops18h 24m

C$ 2,112

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Mon 15/9

11:45 p.m.-2:20 p.m.

1 stop11h 35m

C$ 291

SeattleBridgetown

SEA - BGI

SEABGI

Seattle/Tacoma Intl

Mon 11/8

11:35 p.m.-2:20 p.m.

1 stop11h 45m

C$ 310

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 15 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 29 April 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 29 April 2025.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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 JetBlue (C$ 291), Delta (C$ 310), and United Airlines (C$ 439).

  • What are the most popular routes 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.

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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 456AverageC$ 714FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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