What airlines fly to Caribbean Islands?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Caribbean Islands 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 Islands. Keep in mind that there are 9 different airlines that fly to Caribbean Islands 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 Islands?

Frontier, JetBlue, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Caribbean Islands

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

Prices for flights from Seattle/Tacoma Intl Airport to Caribbean Islands are refreshed on a daily basis.

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

There are 9 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean Islands as of September 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Caribbean Islands.

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

The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$160 Cheap Flights from Seattle to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Caribbean Islands

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 3:07 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 08m1 stop Chicago O'Hare Intl

6:30 am - 2:13 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

11h 43m1 stop Chicago O'Hare Intl

$320American Airlines

Sun, Feb 21 - Tue, Mar 2

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

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

10:35 am - 8:34 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 59m1 stop New York John F Kennedy Intl

$323JetBlue

Mon, Oct 5 - Sat, Oct 10

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

10:35 am - 8:34 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

12h 59m1 stop New York John F Kennedy Intl

$390JetBlue

Tue, Oct 6 - Sat, Oct 10

12:10 am - 5:45 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

14h 35m2 stops Chicago Midway Orlando

10:00 am - 10:40 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

15h 40m2 stops Orlando Denver Intl

$423Southwest

Mon, Oct 5 - Tue, Oct 13

6:10 am - 9:50 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 40m2 stops Denver Intl Orlando

12:30 pm - 11:30 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

15h 00m2 stops Orlando Chicago Midway

$423Southwest

Tue, Nov 17 - Wed, Dec 9

10:10 am - 1:45 pmSEA Seattle/Tacoma Intl-PUJ Punta Cana

23h 35m2 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

$464Air Canada

Sat, Nov 28 - Thu, Dec 3

8:15 am - 1:45 pmSEA Seattle/Tacoma Intl-PUJ Punta Cana

25h 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

$465Air Canada

Sat, Dec 5 - Sat, Dec 12

12:14 pm - 3:29 pmSEA Seattle/Tacoma Intl-MBJ Montego Bay Sangster Intl

25h 15m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

4:43 pm - 3:12 pmMBJ Montego Bay Sangster Intl-SEA Seattle/Tacoma Intl

25h 29m2 stops Atlanta Hartsfield-Jackson Denver Intl

$493Frontier

Sat, Oct 31 - Thu, Nov 5

4:27 pm - 2:33 pmSEA Seattle/Tacoma Intl-MBJ Montego Bay Sangster Intl

44h 06m2 stops Denver Intl Atlanta Hartsfield-Jackson

3:48 pm - 10:59 amMBJ Montego Bay Sangster Intl-SEA Seattle/Tacoma Intl

45h 11m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$529Frontier

Wed, Oct 21 - Mon, Oct 26

Cheap last minute flights

Enter your travel dates to find the best prices.

6:45 pm - 9:10 amSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 25m2 stops Denver Intl Orlando

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

12h 55m2 stops Orlando Denver Intl

$662Southwest

Sun, Sep 13 - Fri, Sep 18

10:30 pm - 12:50 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 20m1 stop Baltimore/Washington

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

12h 55m2 stops Orlando Denver Intl

$662Southwest

Tue, Sep 15 - Mon, Sep 28

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

13h 50m1 stop Atlanta Hartsfield-Jackson

2:59 pm - 11:58 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

11h 59m1 stop Atlanta Hartsfield-Jackson

$662Delta

Tue, Sep 15 - Tue, Sep 22

7:15 am - 11:49 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 34m1 stop New York John F Kennedy Intl

2:59 pm - 11:58 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

11h 59m1 stop Atlanta Hartsfield-Jackson

$662Delta

Tue, Sep 15 - Tue, Sep 29

7:30 am - 11:50 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

13h 20m1 stop Newark

7:00 am - 2:52 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

10h 52m1 stop Houston George Bush Intcntl

$682United Airlines

Tue, Sep 15 - Tue, Sep 22

10:45 pm - 1:32 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 47m1 stop Philadelphia

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

11h 35m1 stop Philadelphia

$712American Airlines

Tue, Sep 15 - Mon, Sep 28

10:45 pm - 1:32 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

11h 47m1 stop Philadelphia

11:51 am - 12:11 amSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

15h 20m2 stops Miami Chicago O'Hare Intl

$736American Airlines

Sat, Sep 12 - Tue, Sep 15

11:59 pm - 3:42 pmSEA Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl

12h 43m1 stop Houston George Bush Intcntl

1:25 pm - 11:36 pmSJU San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl

13h 11m1 stop Newark

$752United Airlines

Sun, Sep 13 - Fri, Sep 18

1:16 pm - 11:17 amSEA Seattle/Tacoma Intl-MBJ Montego Bay Sangster Intl

20h 01m2 stops San Francisco Panama City Tocumen Intl

12:22 pm - 7:29 pmMBJ Montego Bay Sangster Intl-SEA Seattle/Tacoma Intl

33h 07m2 stops Panama City Tocumen Intl Los Angeles Los Angeles

$875Copa Airlines

Wed, Sep 16 - Wed, Sep 23

3:30 pm - 12:18 pmSEA Seattle/Tacoma Intl-CUR Willemstad Hato Int.

17h 48m2 stops San Francisco Panama City Tocumen Intl

7:31 pm - 9:59 pmCUR Willemstad Hato Int.-SEA Seattle/Tacoma Intl

29h 28m2 stops Panama City Tocumen Intl Los Angeles Los Angeles

$1,077Copa Airlines

Thu, Sep 17 - Wed, Sep 30

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American Airlines flights from Seattle to Caribbean Islands

Our best American Airlines deals on Seattle to Caribbean Islands flight tickets

American Airlines

Oct 25

SEA11:59 pmSeattle/Tacoma Intl

11h 04m

1 stop

SJU2:03 pmSan Juan Luis Munoz Marin Intl

Nov 4

SJU11:35 amSan Juan Luis Munoz Marin Intl

14h 36m

2 stops

SEA10:11 pmSeattle/Tacoma Intl

$320

American Airlines

Oct 2

SEA10:45 pmSeattle/Tacoma Intl

11h 47m

1 stop

SJU1:32 pmSan Juan Luis Munoz Marin Intl

Oct 15

SJU3:51 pmSan Juan Luis Munoz Marin Intl

10h 19m

1 stop

SEA11:10 pmSeattle/Tacoma Intl

$321

American Airlines

Nov 11

SEA9:15 amSeattle/Tacoma Intl

10h 44m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Nov 18

SJU6:28 amSan Juan Luis Munoz Marin Intl

10h 47m

1 stop

SEA1:15 pmSeattle/Tacoma Intl

$325

United Airlines flights from Seattle to Caribbean Islands

Our best United Airlines deals on Seattle to Caribbean Islands flight tickets

United Airlines

Dec 5

SEA5:05 amSeattle/Tacoma Intl

11h 55m

2 stops

SJU9:00 pmSan Juan Luis Munoz Marin Intl

Dec 12

SJU8:25 amSan Juan Luis Munoz Marin Intl

13h 44m

2 stops

SEA6:09 pmSeattle/Tacoma Intl

$534

United Airlines

Oct 23

SEA6:05 pmSeattle/Tacoma Intl

14h 02m

2 stops

STT11:07 amSaint Thomas Island Cyril E King

Oct 30

STT12:07 pmSaint Thomas Island Cyril E King

11h 49m

1 stop

SEA8:56 pmSeattle/Tacoma Intl

$555

United Airlines

Nov 1

SEA10:56 pmSeattle/Tacoma Intl

19h 26m

2 stops

SJU10:22 pmSan Juan Luis Munoz Marin Intl

Nov 11

SJU2:05 amSan Juan Luis Munoz Marin Intl

22h 51m

3 stops

SEA8:56 pmSeattle/Tacoma Intl

$564

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Caribbean Islands that are best for you.

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

Sun 2/21

11:59 pm-3:07 pm

1 stop11h 08m

San Juan Luis Munoz Marin Intl

Tue 3/2

6:30 am-2:13 pm

1 stop11h 43m

$320

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

Mon 10/5

9:40 pm-1:38 pm

1 stop12h 58m

San Juan Luis Munoz Marin Intl

Sat 10/10

10:35 am-8:34 pm

1 stop12h 59m

$323

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Tue 10/6

9:40 pm-1:38 pm

1 stop12h 58m

San Juan Luis Munoz Marin Intl

Sat 10/10

10:35 am-8:34 pm

1 stop12h 59m

$390

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Mon 10/5

12:10 am-5:45 pm

2 stops14h 35m

San Juan Luis Munoz Marin Intl

Tue 10/13

10:00 am-10:40 pm

2 stops15h 40m

$423

SeattleSan Juan

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

SEASJU

Seattle/Tacoma Intl

Tue 11/17

6:10 am-9:50 pm

2 stops11h 40m

San Juan Luis Munoz Marin Intl

Wed 12/9

12:30 pm-11:30 pm

2 stops15h 00m

$423

SeattlePunta Cana

SEA Seattle/Tacoma Intl - PUJ Punta Cana

SEAPUJ

Seattle/Tacoma Intl

Sat 11/28

10:10 am-1:45 pm

2 stops23h 35m

Punta Cana

Thu 12/3

7:45 pm-6:22 pm

2 stops26h 37m

$464

SeattlePunta Cana

SEA Seattle/Tacoma Intl - PUJ Punta Cana

SEAPUJ

Seattle/Tacoma Intl

Sat 12/5

8:15 am-1:45 pm

2 stops25h 30m

Punta Cana

Sat 12/12

7:45 pm-6:22 pm

2 stops26h 37m

$465

SeattleMontego Bay

SEA Seattle/Tacoma Intl - MBJ Montego Bay Sangster Intl

SEAMBJ

Seattle/Tacoma Intl

Sat 10/31

12:14 pm-3:29 pm

2 stops25h 15m

Montego Bay Sangster Intl

Thu 11/5

4:43 pm-3:12 pm

2 stops25h 29m

$493

SeattleMontego Bay

SEA Seattle/Tacoma Intl - MBJ Montego Bay Sangster Intl

SEAMBJ

Seattle/Tacoma Intl

Wed 10/21

4:27 pm-2:33 pm

2 stops44h 06m

Montego Bay Sangster Intl

Mon 10/26

3:48 pm-10:59 am

2 stops45h 11m

$529

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 Islands

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 Islands?

The month of January is, on average, the cheapest month to fly to Caribbean Islands from Seattle, with most prices found around $628. The month of March is another great option to travel to Caribbean Islands, with average flight prices from Seattle averaging around $640.

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

You are more likely to see cheaper flights to Caribbean Islands from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $587 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Seattle for as low as $512 on momondo.

Can stopping save me money on Seattle to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Seattle to Caribbean Islands.

Cheap Seattle to Caribbean Islands flight deals and tips

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

Best Price Found	$160
Fastest flight time	8h 51m
Direct flights	None

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

The fastest flight from Seattle to Caribbean Islands takes 8h 51m

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

Search flight deals

Frequently asked questions about flying from Seattle to Caribbean Islands

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Caribbean Islands?
Prices for flights from Seattle/Tacoma Intl Airport to Caribbean Islands are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Caribbean Islands?
There are 9 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean Islands as of September 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Caribbean Islands?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Caribbean Islands?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Caribbean Islands is Boeing 737-800 Passenger/BBJ2 (winglets) (17.62% of total bookings). The next most popular plane models are Airbus A321neo (15.22%), Boeing 737 MAX 8 (9.42%), and Boeing 737-900 (8.64%).

Best airlines flying from Seattle to Caribbean Islands

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $175	Free Cancellation	Rating 5.6 2,608 reviews	Search Frontier flights
Delta	PriceFrom $199	Free Cancellation	Rating 7.8 8,557 reviews	Search Delta flights
United Airlines	PriceFrom $299	Free Cancellation	Rating 7.4 10,197 reviews	Search United Airlines flights
JetBlue	PriceFrom $327	Free Cancellation	Rating 7.1 3,040 reviews	Search JetBlue flights
Air Canada	PriceFrom $349	Free Cancellation	Rating 7.1 11,611 reviews	Search Air Canada flights
American Airlines	PriceFrom $374	Free Cancellation	Rating 7.1 12,047 reviews	Search American Airlines flights
Sun Country Air	PriceFrom $454	Free Cancellation	Rating 6.7 316 reviews	Search Sun Country Air flights
Southwest	PriceFrom $454	Free Cancellation	Rating 8.0 4,194 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $587	Free Cancellation	Rating 7.9 12,909 reviews	Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Caribbean Islands from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Caribbean Islands quick and easy, saving you time and money.

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

All flight searches from Seattle to Caribbean Islands on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Caribbean Islands from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Caribbean Islands from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.