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 61% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 10 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?

Southwest, Delta, and American 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 10 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of March 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.

$162 Cheap Flights from Seattle to Caribbean in 2026

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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.

10:29 pm - 10:47 am

SEA

STT

9h 18m

1 stop

12:25 pm - 11:44 pm

STT

SEA

14h 19m

1 stop

$420American Airlines

Tue, May 5 - Tue, May 12

7:10 pm - 10:35 am

SEA

SJU

12h 25m

2 stops

5:35 am - 4:55 pm

SJU

SEA

14h 20m

2 stops

$434Southwest

Tue, Apr 14 - Wed, Apr 22

5:00 am - 5:38 pm

SEA

SJU

9h 38m

1 stop

2:55 pm - 11:12 pm

SJU

SEA

11h 17m

1 stop

$436United Airlines

Mon, Apr 13 - Tue, Apr 28

7:00 am - 8:34 pm

SEA

SJU

10h 34m

1 stop

7:20 am - 7:00 pm

SJU

SEA

14h 40m

2 stops

$455United Airlines

Tue, Apr 28 - Tue, May 5

4:36 pm - 1:30 pm

SEA

PLS

17h 54m

2 stops

2:55 pm - 10:55 am

PLS

SEA

23h 00m

2 stops

$509Delta

Mon, Apr 13 - Tue, Apr 21

4:00 pm - 12:31 pm

SEA

SDQ

17h 31m

1 stop

7:59 pm - 10:58 am

SDQ

SEA

17h 59m

1 stop

$511Delta

Fri, May 1 - Tue, May 5

8:00 am - 3:15 pm

SEA

AUA

28h 15m

1 stop

4:05 pm - 3:05 pm

AUA

SEA

26h 00m

2 stops

$537Air Canada

Tue, Apr 14 - Tue, Apr 21

8:00 am - 12:55 pm

SEA

NAS

25h 55m

1 stop

1:50 pm - 9:53 pm

NAS

SEA

11h 03m

1 stop

$550Air Canada

Sun, Apr 12 - Thu, Apr 16

11:41 pm - 1:43 pm

SEA

MBJ

12h 02m

1 stop

10:45 am - 9:05 pm

MBJ

SEA

12h 20m

1 stop

$570JetBlue

Thu, Jun 11 - Fri, Jun 19

11:59 pm - 2:01 pm

SEA

CUR

11h 02m

1 stop

3:06 pm - 10:19 am

CUR

SEA

22h 13m

2 stops

$639JetBlue

Sat, Sep 12 - Sat, Sep 26

Southwest flights from Seattle to Caribbean

Our best Southwest deals on Seattle to Caribbean flight tickets

Southwest

Apr 14

SEA7:10 pmSeattle/Tacoma Intl

12h 25m

2 stops

SJU10:35 amSan Juan Luis Munoz Marin Intl

Apr 22

SJU5:35 amSan Juan Luis Munoz Marin Intl

14h 20m

2 stops

SEA4:55 pmSeattle/Tacoma Intl

$434

Southwest

Apr 28

SEA6:00 amSeattle/Tacoma Intl

13h 40m

2 stops

SJU10:40 pmSan Juan Luis Munoz Marin Intl

May 5

SJU5:35 amSan Juan Luis Munoz Marin Intl

14h 20m

2 stops

SEA4:55 pmSeattle/Tacoma Intl

$463

Southwest

Apr 14

SEA7:10 pmSeattle/Tacoma Intl

15h 05m

2 stops

NAS1:15 pmNassau Intl

Apr 21

NAS2:10 pmNassau Intl

12h 25m

2 stops

SEA11:35 pmSeattle/Tacoma Intl

$486

United Airlines flights from Seattle to Caribbean

Our best United Airlines deals on Seattle to Caribbean flight tickets

United Airlines

Apr 13

SEA5:00 amSeattle/Tacoma Intl

9h 38m

1 stop

SJU5:38 pmSan Juan Luis Munoz Marin Intl

Apr 28

SJU2:55 pmSan Juan Luis Munoz Marin Intl

11h 17m

1 stop

SEA11:12 pmSeattle/Tacoma Intl

$436

United Airlines

Apr 28

SEA7:00 amSeattle/Tacoma Intl

10h 34m

1 stop

SJU8:34 pmSan Juan Luis Munoz Marin Intl

May 5

SJU7:20 amSan Juan Luis Munoz Marin Intl

14h 40m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

$455

United Airlines

May 2

SEA11:00 pmSeattle/Tacoma Intl

11h 45m

1 stop

SJU1:45 pmSan Juan Luis Munoz Marin Intl

May 8

SJU3:56 pmSan Juan Luis Munoz Marin Intl

11h 03m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$474

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 5/5

10:29 pm-10:47 am

1 stop9h 18m

Saint Thomas Island Cyril E King

Tue 5/12

12:25 pm-11:44 pm

1 stop14h 19m

$420

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/14

7:10 pm-10:35 am

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Wed 4/22

5:35 am-4:55 pm

2 stops14h 20m

$434

Quickest round-trip

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 4/13

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Tue 4/28

2:55 pm-11:12 pm

1 stop11h 17m

$436

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/28

7:00 am-8:34 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Tue 5/5

7:20 am-7:00 pm

2 stops14h 40m

$455

SeattleProvidenciales

SEA - PLS

SEAPLS

Seattle/Tacoma Intl

Mon 4/13

4:36 pm-1:30 pm

2 stops17h 54m

Providenciales

Tue 4/21

2:55 pm-10:55 am

2 stops23h 00m

$509

SeattleSanto Domingo

SEA - SDQ

SEASDQ

Seattle/Tacoma Intl

Fri 5/1

4:00 pm-12:31 pm

1 stop17h 31m

Santo Domingo Las Americas

Tue 5/5

7:59 pm-10:58 am

1 stop17h 59m

$511

SeattleOranjestad

SEA - AUA

SEAAUA

Seattle/Tacoma Intl

Tue 4/14

8:00 am-3:15 pm

1 stop28h 15m

Oranjestad Reina Beatrix

Tue 4/21

4:05 pm-3:05 pm

2 stops26h 00m

$537

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

Sun 4/12

8:00 am-12:55 pm

1 stop25h 55m

Nassau Intl

Thu 4/16

1:50 pm-9:53 pm

1 stop11h 03m

$550

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Thu 6/11

11:41 pm-1:43 pm

1 stop12h 02m

Montego Bay Sangster Intl

Fri 6/19

10:45 am-9:05 pm

1 stop12h 20m

$570

SeattleWillemstad

SEA - CUR

SEACUR

Seattle/Tacoma Intl

Sat 9/12

11:59 pm-2:01 pm

1 stop11h 02m

Willemstad Hato Int.

Sat 9/26

3:06 pm-10:19 am

2 stops22h 13m

$639

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, October 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 $429. If you don’t want to visit Caribbean in October, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $465.

What is the cheapest Seattle/Tacoma Intl to Caribbean flight route?

Fly from Seattle/Tacoma Intl to Nassau Intl for the best Seattle/Tacoma Intl - Caribbean flight prices

How far in advance should I book a flight 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 $578 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.

What cabin class options are available on Seattle/Tacoma Intl to Caribbean flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Caribbean flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Caribbean flights?

You could potentially save up to 46% 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

Fastest flight time	8h 10m
Direct flights	None

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

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 10 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of March 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.
What is the most popular plane model from Seattle to Caribbean?
Based on momondo bookings for flights between Seattle and Caribbean, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 75.00% of the total bookings. Other popular models include Boeing 737 MAX 9 with 25.00%.

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 5.7 3,023 reviews	Search Frontier flights
Delta	PriceFrom $199	Free Cancellation	Rating 7.9 8,302 reviews	Search Delta flights
Spirit Airlines	PriceFrom $218	Free Cancellation	Rating 6.3 8,537 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $282	Free Cancellation	Rating 7.2 2,910 reviews	Search JetBlue flights
United Airlines	PriceFrom $292	Free Cancellation	Rating 7.4 9,450 reviews	Search United Airlines flights
American Airlines	PriceFrom $363	Free Cancellation	Rating 7.1 11,480 reviews	Search American Airlines flights
Air Canada	PriceFrom $368	Free Cancellation	Rating 7.1 10,818 reviews	Search Air Canada flights
Sun Country Air	PriceFrom $454	Free Cancellation	Rating 6.8 341 reviews	Search Sun Country Air flights
Southwest	PriceFrom $521	Free Cancellation	Rating 8.0 4,324 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $598	Free Cancellation	Rating 7.9 12,078 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.