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 9 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?

Air Canada, Southwest, and United Airlines 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 9 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of September 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.

$160 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.

9:14 pm - 10:45 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

9h 31m1 stop Miami

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

12h 42m1 stop Miami

$320American Airlines

Tue, Nov 3 - Fri, Nov 6

11:28 pm - 11:37 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

20h 09m1 stop Chicago O'Hare Intl

7:38 am - 12:54 amSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

21h 16m1 stop Miami

$320American Airlines

Sun, Jan 17 - Wed, Jan 20

9:40 pm - 1:38 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

12h 58m1 stop New York John F Kennedy Intl

1:00 pm - 9:20 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

11h 20m1 stop New York John F Kennedy Intl

$325JetBlue

Mon, Oct 5 - Fri, Oct 16

9:40 pm - 1:38 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

12h 58m1 stop New York John F Kennedy Intl

1:00 pm - 9:20 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

11h 20m1 stop New York John F Kennedy Intl

$325JetBlue

Mon, Oct 5 - Thu, Oct 15

12:15 am - 5:00 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

12h 45m2 stops Chicago Midway Orlando

11:20 am - 8:45 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

13h 25m2 stops Orlando Phoenix Sky Harbor Intl

$427Southwest

Mon, Nov 2 - Fri, Nov 6

5:50 pm - 3:15 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

18h 25m1 stop Minneapolis St Paul

3:59 pm - 3:12 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

26h 13m2 stops Atlanta Hartsfield-Jackson Denver Intl

$441Multiple Airlines

Fri, Oct 16 - Fri, Oct 30

6:30 am - 9:55 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 25m2 stops Chicago Midway Orlando

4:20 pm - 1:45 amSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

13h 25m2 stops Orlando Las Vegas Harry Reid Intl

$447Southwest

Wed, Nov 18 - Wed, Nov 25

3:15 pm - 6:45 pmSEA Seattle/Tacoma Intl-PUJ Punta Cana

23h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

7:45 pm - 2:37 pmPUJ Punta Cana-SEA Seattle/Tacoma Intl

22h 52m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$470Air Canada

Tue, Dec 1 - Tue, Dec 8

3:15 pm - 6:45 pmSEA Seattle/Tacoma Intl-PUJ Punta Cana

23h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

7:45 pm - 6:22 pmPUJ Punta Cana-SEA Seattle/Tacoma Intl

26h 37m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$470Air Canada

Tue, Dec 1 - Tue, Dec 15

5:50 pm - 3:15 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

18h 25m1 stop Minneapolis St Paul

7:23 am - 9:45 amSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

29h 22m2 stops Orlando Las Vegas Harry Reid Intl

$494Multiple Airlines

Fri, Oct 16 - Wed, Oct 28

Cheap last minute flights

Enter your travel dates to find the best prices.

11:59 pm - 4:49 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

7:30 am - 10:10 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

17h 40m2 stops New York John F Kennedy Intl Salt Lake City

$638Delta

Fri, Sep 18 - Sat, Oct 3

11:59 pm - 4:49 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

2:30 pm - 10:05 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

10h 35m1 stop Detroit Metropolitan Wayne County

$638Delta

Fri, Sep 18 - Sat, Oct 3

8:50 pm - 1:57 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

14h 07m1 stop Miami

2:22 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Philadelphia

$682American Airlines

Sun, Sep 20 - Wed, Sep 30

8:50 pm - 9:24 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

9h 34m1 stop Miami

6:00 am - 8:29 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

17h 29m2 stops Miami Phoenix Sky Harbor Intl

$682American Airlines

Sun, Sep 20 - Wed, Sep 30

7:25 pm - 10:50 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

12h 25m2 stops Las Vegas Harry Reid Intl Orlando

5:00 am - 2:55 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 55m2 stops Orlando Denver Intl

$682Southwest

Fri, Sep 18 - Mon, Sep 21

6:25 pm - 11:00 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 35m2 stops Denver Intl Orlando

5:30 am - 3:00 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 30m1 stop Baltimore/Washington

$682Southwest

Mon, Sep 21 - Fri, Sep 25

10:58 pm - 1:45 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 47m1 stop Newark

2:00 pm - 9:15 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

10h 15m1 stop Denver Intl

$733United Airlines

Fri, Sep 18 - Sat, Oct 3

1:57 pm - 1:45 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

20h 48m2 stops Chicago O'Hare Intl Newark

1:00 am - 8:37 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

22h 37m3 stops Newark Chicago O'Hare Intl Washington, D.C. Dulles Intl

$740United Airlines

Fri, Sep 18 - Fri, Oct 2

8:15 pm - 2:27 pmSEA Seattle/Tacoma Intl-MBJ Montego Bay Sangster Intl

16h 12m2 stops Los Angeles Atlanta Hartsfield-Jackson

3:42 pm - 9:42 amMBJ Montego Bay Sangster Intl-SEA Seattle/Tacoma Intl

44h 00m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$785Frontier

Sat, Sep 19 - Sun, Sep 27

8:15 pm - 2:27 pmSEA Seattle/Tacoma Intl-MBJ Montego Bay Sangster Intl

16h 12m2 stops Los Angeles Atlanta Hartsfield-Jackson

3:42 pm - 9:42 amMBJ Montego Bay Sangster Intl-SEA Seattle/Tacoma Intl

44h 00m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$796Frontier

Sat, Sep 19 - Sun, Sep 27

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American Airlines flights from Seattle to Caribbean

Our best American Airlines deals on Seattle to Caribbean flight tickets

American Airlines

Oct 16

SEA1:25 pmSeattle/Tacoma Intl

18h 55m

1 stop

SJU11:20 amSan Juan Luis Munoz Marin Intl

Oct 24

SJU12:41 pmSan Juan Luis Munoz Marin Intl

13h 29m

1 stop

SEA11:10 pmSeattle/Tacoma Intl

$320

American Airlines

Nov 7

SEA6:00 amSeattle/Tacoma Intl

11h 13m

1 stop

SJU9:13 pmSan Juan Luis Munoz Marin Intl

Nov 12

SJU4:45 pmSan Juan Luis Munoz Marin Intl

10h 25m

1 stop

SEA11:10 pmSeattle/Tacoma Intl

$340

American Airlines

Oct 10

SEA10:48 pmSeattle/Tacoma Intl

11h 49m

1 stop

SJU1:37 pmSan Juan Luis Munoz Marin Intl

Oct 23

SJU2:27 pmSan Juan Luis Munoz Marin Intl

11h 32m

1 stop

SEA10:59 pmSeattle/Tacoma Intl

$341

Southwest flights from Seattle to Caribbean

Our best Southwest deals on Seattle to Caribbean flight tickets

Southwest

Nov 18

SEA5:15 amSeattle/Tacoma Intl

12h 35m

2 stops

SJU9:50 pmSan Juan Luis Munoz Marin Intl

Nov 25

SJU4:20 pmSan Juan Luis Munoz Marin Intl

13h 20m

2 stops

SEA1:40 amSeattle/Tacoma Intl

$463

Southwest

Oct 28

SEA6:15 amSeattle/Tacoma Intl

12h 40m

2 stops

SJU9:55 pmSan Juan Luis Munoz Marin Intl

Nov 4

SJU12:30 pmSan Juan Luis Munoz Marin Intl

13h 50m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

$501

Southwest

Oct 23

SEA2:10 pmSeattle/Tacoma Intl

20h 55m

2 stops

STT2:05 pmSaint Thomas Island Cyril E King

Oct 30

STT2:50 pmSaint Thomas Island Cyril E King

13h 50m

2 stops

SEA1:40 amSeattle/Tacoma Intl

$524

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Tue 11/3

9:14 pm-10:45 am

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Fri 11/6

3:17 pm-11:59 pm

1 stop12h 42m

$320

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Sun 1/17

11:28 pm-11:37 pm

1 stop20h 09m

San Juan Luis Munoz Marin Intl

Wed 1/20

7:38 am-12:54 am

1 stop21h 16m

$320

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Mon 10/5

9:40 pm-1:38 pm

1 stop12h 58m

San Juan Luis Munoz Marin Intl

Fri 10/16

1:00 pm-9:20 pm

1 stop11h 20m

$325

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Mon 10/5

9:40 pm-1:38 pm

1 stop12h 58m

San Juan Luis Munoz Marin Intl

Thu 10/15

1:00 pm-9:20 pm

1 stop11h 20m

$325

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Mon 11/2

12:15 am-5:00 pm

2 stops12h 45m

San Juan Luis Munoz Marin Intl

Fri 11/6

11:20 am-8:45 pm

2 stops13h 25m

$427

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Fri 10/16

5:50 pm-3:15 pm

1 stop18h 25m

San Juan Luis Munoz Marin Intl

Fri 10/30

3:59 pm-3:12 pm

2 stops26h 13m

$441

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Wed 11/18

6:30 am-9:55 pm

2 stops11h 25m

San Juan Luis Munoz Marin Intl

Wed 11/25

4:20 pm-1:45 am

2 stops13h 25m

$447

SeattlePunta Cana

SEA Seattle/Tacoma Intl - PUJ Punta Cana

SEAPUJ

Seattle/Tacoma Intl

Tue 12/1

3:15 pm-6:45 pm

2 stops23h 30m

Punta Cana

Tue 12/8

7:45 pm-2:37 pm

2 stops22h 52m

$470

SeattlePunta Cana

SEA Seattle/Tacoma Intl - PUJ Punta Cana

SEAPUJ

Seattle/Tacoma Intl

Tue 12/1

3:15 pm-6:45 pm

2 stops23h 30m

Punta Cana

Tue 12/15

7:45 pm-6:22 pm

2 stops26h 37m

$470

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Fri 10/16

5:50 pm-3:15 pm

1 stop18h 25m

San Juan Luis Munoz Marin Intl

Wed 10/28

7:23 am-9:45 am

2 stops29h 22m

$494

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 $568. If you don’t want to visit Caribbean in January, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of $628.

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 $590 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 $506 on momondo.

Can stopping save me money on Seattle to Caribbean flights?

You could potentially save up to 28% 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	$160
Fastest flight time	8h 10m
Direct flights	None

The best one-way flight to Caribbean from Seattle in the past 72 hours is $160. The best round-trip flight deal from Seattle to Caribbean found on momondo in the last 72 hours is $320.

The fastest flight from Seattle to Caribbean takes 8h 10m

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 9 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of September 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
Frontier	PriceFrom $175	Free Cancellation	Rating 5.6 2,601 reviews	Search Frontier flights
Delta	PriceFrom $199	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
United Airlines	PriceFrom $299	Free Cancellation	Rating 7.4 10,213 reviews	Search United Airlines flights
Air Canada	PriceFrom $349	Free Cancellation	Rating 7.1 11,632 reviews	Search Air Canada flights
American Airlines	PriceFrom $369	Free Cancellation	Rating 7.1 12,061 reviews	Search American Airlines flights
JetBlue	PriceFrom $390	Free Cancellation	Rating 7.1 3,038 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $454	Free Cancellation	Rating 6.7 315 reviews	Search Sun Country Air flights
Southwest	PriceFrom $454	Free Cancellation	Rating 8.0 4,192 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $587	Free Cancellation	Rating 7.9 12,932 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.