What airlines fly to Caribbean?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Caribbean from Seattle according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 7 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Caribbean?

United Airlines, Southwest, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Caribbean

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Caribbean?

Prices for flights from Seattle/Tacoma Intl Airport to Caribbean refresh daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Caribbean?

There are 7 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of November 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Caribbean?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Caribbean.

What documentation or ID do you need to fly to Caribbean?

The travel and health documents you'll need for your trip to Caribbean may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Caribbean. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$208 Cheap Flights from Seattle to Caribbean in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Caribbean

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:09 pm - 1:07 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

23h 58m3 stops Las Vegas Harry Reid Intl Dallas/Fort Worth Atlanta Hartsfield-Jackson

2:29 am - 10:49 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

24h 20m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$493Multiple Airlines

Thu, Dec 10 - Wed, Dec 16

9:46 pm - 1:07 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

23h 21m1 stop Atlanta Hartsfield-Jackson

2:29 am - 10:28 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

23h 59m1 stop Atlanta Hartsfield-Jackson

$524Multiple Airlines

Thu, Dec 10 - Wed, Dec 16

12:47 pm - 1:18 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

20h 31m1 stop Charlotte Douglas

6:20 pm - 11:23 amSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

21h 03m2 stops Miami Dallas/Fort Worth

$554American Airlines

Sat, Jan 30 - Tue, Feb 16

11:31 pm - 3:41 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

12h 10m1 stop Charlotte Douglas

1:58 pm - 10:27 pmSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

12h 29m1 stop Charlotte Douglas

$554American Airlines

Mon, Jan 18 - Tue, Jan 26

12:45 pm - 2:55 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

22h 10m2 stops Phoenix Sky Harbor Intl Orlando

2:10 pm - 12:35 amSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

14h 25m2 stops Orlando Chicago Midway

$554Southwest

Wed, Jan 13 - Mon, Jan 18

12:45 pm - 2:55 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

22h 10m2 stops Phoenix Sky Harbor Intl Orlando

2:10 pm - 12:35 amSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

14h 25m2 stops Orlando Chicago Midway

$554Southwest

Sun, Jan 24 - Sun, Jan 31

3:34 pm - 1:56 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

18h 22m2 stops San Francisco Washington, D.C. Dulles Intl

1:07 pm - 12:56 amSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

15h 49m2 stops Washington, D.C. Dulles Intl San Francisco

$577United Airlines

Sun, Jan 10 - Sun, Jan 17

3:34 pm - 12:05 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

16h 31m2 stops San Francisco Newark

1:07 pm - 9:02 pmSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

11h 55m1 stop Washington, D.C. Dulles Intl

$577United Airlines

Sun, Jan 10 - Sun, Jan 17

7:49 pm - 2:00 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

14h 11m2 stops Salt Lake City New York John F Kennedy Intl

3:11 pm - 11:25 pmSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

12h 14m1 stop Atlanta Hartsfield-Jackson

$577Delta

Tue, Feb 2 - Sun, Feb 7

5:59 pm - 2:00 pmSEA Seattle/Tacoma Intl-STT Saint Thomas Island Cyril E King

16h 01m2 stops Salt Lake City New York John F Kennedy Intl

4:03 pm - 11:25 pmSTT Saint Thomas Island Cyril E King-SEA Seattle/Tacoma Intl

11h 22m1 stop Atlanta Hartsfield-Jackson

$577Delta

Mon, Jan 25 - Mon, Feb 1

Cheap last minute flights

Enter your travel dates to find the best prices.

11:59 pm - 5:43 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 44m1 stop Atlanta Hartsfield-Jackson

3:20 pm - 9:58 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

10h 38m1 stop Detroit Metropolitan Wayne County

$658Delta

Sun, Nov 8 - Thu, Nov 19

11:34 pm - 2:55 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 21m1 stop Chicago O'Hare Intl

3:52 pm - 12:35 amSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 43m1 stop Chicago O'Hare Intl

$682American Airlines

Sat, Nov 7 - Thu, Nov 12

11:34 pm - 3:52 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

12h 18m2 stops Chicago O'Hare Intl Charlotte Douglas

3:17 pm - 11:59 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 42m1 stop Miami

$682American Airlines

Sat, Nov 7 - Thu, Nov 12

8:40 am - 1:15 pmSEA Seattle/Tacoma Intl-NAS Nassau Intl

25h 35m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

12:30 pm - 8:59 pmNAS Nassau Intl-SEA Seattle/Tacoma Intl

11h 29m1 stop Toronto Pearson Intl

$706Air Canada

Wed, Nov 4 - Sun, Nov 8

11:59 pm - 5:43 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 44m1 stop Atlanta Hartsfield-Jackson

2:10 pm - 11:00 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 50m1 stop New York John F Kennedy Intl

$707Delta

Sun, Nov 8 - Sat, Nov 21

9:13 pm - 12:59 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

23h 46m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

3:55 pm - 3:12 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

27h 17m2 stops Atlanta Hartsfield-Jackson Denver Intl

$708Frontier

Sun, Nov 8 - Tue, Nov 17

11:15 pm - 1:32 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

10h 17m1 stop Newark

1:00 pm - 9:49 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 49m1 stop Newark

$722United Airlines

Sun, Nov 8 - Tue, Nov 17

11:15 pm - 1:32 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

10h 17m1 stop Newark

7:40 am - 6:26 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

14h 46m2 stops Houston George Bush Intcntl San Francisco

$722United Airlines

Sun, Nov 8 - Tue, Nov 17

8:40 am - 1:15 pmSEA Seattle/Tacoma Intl-NAS Nassau Intl

25h 35m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

9:25 pm - 6:22 pmNAS Nassau Intl-SEA Seattle/Tacoma Intl

23h 57m2 stops Toronto Pearson Intl Vancouver Intl

$736Air Canada

Wed, Nov 4 - Sun, Nov 8

9:13 pm - 12:59 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

23h 46m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

5:15 pm - 8:08 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

30h 53m3 stops Minneapolis St Paul Las Vegas Harry Reid Intl Ontario

$802Multiple Airlines

Thu, Nov 5 - Sat, Nov 14

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United Airlines flights from Seattle to Caribbean

Our best United Airlines deals on Seattle to Caribbean flight tickets

United Airlines

Jan 26

SEA5:00 amSeattle/Tacoma Intl

12h 00m

2 stops

SJU9:00 pmSan Juan Luis Munoz Marin Intl

Feb 9

SJU1:00 pmSan Juan Luis Munoz Marin Intl

12h 41m

1 stop

SEA9:41 pmSeattle/Tacoma Intl

$590

United Airlines

Dec 5

SEA12:25 pmSeattle/Tacoma Intl

21h 07m

2 stops

SJU1:32 pmSan Juan Luis Munoz Marin Intl

Dec 9

SJU7:40 amSan Juan Luis Munoz Marin Intl

18h 18m

2 stops

SEA9:58 pmSeattle/Tacoma Intl

$591

United Airlines

Dec 3

SEA8:09 amSeattle/Tacoma Intl

10h 13m

1 stop

SJU10:22 pmSan Juan Luis Munoz Marin Intl

Dec 15

SJU8:05 amSan Juan Luis Munoz Marin Intl

15h 27m

2 stops

SEA7:32 pmSeattle/Tacoma Intl

$610

Delta flights from Seattle to Caribbean

Our best Delta deals on Seattle to Caribbean flight tickets

Delta

Nov 27

SEA2:05 pmSeattle/Tacoma Intl

20h 42m

1 stop

SXM2:47 pmSimpson Bay Princess Juliana

Dec 16

SXM4:05 pmSimpson Bay Princess Juliana

11h 50m

1 stop

SEA11:55 pmSeattle/Tacoma Intl

$581

Delta

Apr 5

SEA2:00 pmSeattle/Tacoma Intl

18h 30m

1 stop

SXM11:30 amSimpson Bay Princess Juliana

Apr 13

SXM3:30 pmSimpson Bay Princess Juliana

22h 05m

1 stop

SEA10:35 amSeattle/Tacoma Intl

$589

Delta

Jan 18

SEA7:49 pmSeattle/Tacoma Intl

13h 09m

2 stops

SJU12:58 pmSan Juan Luis Munoz Marin Intl

Feb 11

SJU2:15 pmSan Juan Luis Munoz Marin Intl

11h 47m

1 stop

SEA10:02 pmSeattle/Tacoma Intl

$594

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Thu 12/10

9:09 pm-1:07 am

3 stops23h 58m

San Juan Luis Munoz Marin Intl

Wed 12/16

2:29 am-10:49 pm

2 stops24h 20m

$493

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Thu 12/10

9:46 pm-1:07 am

1 stop23h 21m

San Juan Luis Munoz Marin Intl

Wed 12/16

2:29 am-10:28 pm

1 stop23h 59m

$524

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Sat 1/30

12:47 pm-1:18 pm

1 stop20h 31m

Saint Thomas Island Cyril E King

Tue 2/16

6:20 pm-11:23 am

2 stops21h 03m

$554

Quickest round-trip

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Mon 1/18

11:31 pm-3:41 pm

1 stop12h 10m

Saint Thomas Island Cyril E King

Tue 1/26

1:58 pm-10:27 pm

1 stop12h 29m

$554

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Wed 1/13

12:45 pm-2:55 pm

2 stops22h 10m

Saint Thomas Island Cyril E King

Mon 1/18

2:10 pm-12:35 am

2 stops14h 25m

$554

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Sun 1/24

12:45 pm-2:55 pm

2 stops22h 10m

Saint Thomas Island Cyril E King

Sun 1/31

2:10 pm-12:35 am

2 stops14h 25m

$554

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Sun 1/10

3:34 pm-1:56 pm

2 stops18h 22m

Saint Thomas Island Cyril E King

Sun 1/17

1:07 pm-12:56 am

2 stops15h 49m

$577

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Sun 1/10

3:34 pm-12:05 pm

2 stops16h 31m

Saint Thomas Island Cyril E King

Sun 1/17

1:07 pm-9:02 pm

1 stop11h 55m

$577

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Tue 2/2

7:49 pm-2:00 pm

2 stops14h 11m

Saint Thomas Island Cyril E King

Sun 2/7

3:11 pm-11:25 pm

1 stop12h 14m

$577

SeattleSaint Thomas Island

SEA Seattle/Tacoma Intl - STT Saint Thomas Island Cyril E King

SEASTT

Seattle/Tacoma Intl

Mon 1/25

5:59 pm-2:00 pm

2 stops16h 01m

Saint Thomas Island Cyril E King

Mon 2/1

4:03 pm-11:25 pm

1 stop11h 22m

$577

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Caribbean

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Caribbean?

In general, January is the cheapest month to fly from Seattle to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $592. If you don’t want to visit Caribbean in January, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $642.

How far in advance should I book a flight from Seattle to Caribbean?

You are more likely to see cheaper flights to Caribbean from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $612 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from Seattle for as low as $513 on momondo.

Can stopping save me money on Seattle to Caribbean flights?

You could potentially save up to 17% on your flight if you consider stops on a Seattle to Caribbean flight.

Cheap Seattle to Caribbean flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Caribbean

Best Price Found	$208
Fastest flight time	8h 03m
Direct flights	None

The best one-way flight to Caribbean from Seattle in the past 72 hours is $208. The best round-trip flight deal from Seattle to Caribbean found on momondo in the last 72 hours is $493.

The fastest flight from Seattle to Caribbean takes 8h 03m

There are no direct flights from Seattle to Caribbean. There are no popular flight routes from Seattle to Caribbean.

Search flight deals

Frequently asked questions about flying from Seattle to Caribbean

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Caribbean?
Prices for flights from Seattle/Tacoma Intl Airport to Caribbean refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Caribbean?
There are 7 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of November 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Caribbean?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Caribbean.
What documentation or ID do you need to fly to Caribbean?
The travel and health documents you'll need for your trip to Caribbean may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Caribbean. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Caribbean

Compare and see reviews for airlines that fly from Seattle to Caribbean with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $214	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
United Airlines	PriceFrom $299	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
JetBlue	PriceFrom $324	Free Cancellation	Rating 7.1 3,069 reviews	Search JetBlue flights
Air Canada	PriceFrom $368	Free Cancellation	Rating 7.1 11,847 reviews	Search Air Canada flights
American Airlines	PriceFrom $369	Free Cancellation	Rating 7.0 12,224 reviews	Search American Airlines flights
Southwest	PriceFrom $454	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $587	Free Cancellation	Rating 7.9 13,136 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Caribbean?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Caribbean for you.

Can I find flights from Seattle to Caribbean with flexible booking policies on momondo?

momondo does allow users to show only those flights to Caribbean from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Caribbean?

Once you have performed a search for Seattle to Caribbean flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Caribbean right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Caribbean from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.