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 64% 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?

Delta, Southwest, 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 9 operators available for flights from Seattle/Tacoma Intl Airport to Caribbean as of June 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.

$201 Cheap Flights from Seattle to Caribbean in 2026

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.

8:21 pm - 4:11 pm

SEA

SJU

16h 50m

1 stop

12:55 am - 9:29 am

SJU

SEA

11h 34m

1 stop

$464American Airlines

Tue, Aug 18 - Sun, Aug 23

8:21 pm - 4:11 pm

SEA

SJU

16h 50m

1 stop

7:00 am - 10:56 pm

SJU

SEA

18h 56m

1 stop

$469American Airlines

Wed, Sep 2 - Tue, Sep 8

11:59 pm - 1:42 pm

SEA

STT

10h 43m

1 stop

2:54 pm - 11:55 pm

STT

SEA

12h 01m

2 stops

$513Delta

Tue, Sep 8 - Thu, Sep 17

11:59 pm - 3:34 pm

SEA

MBJ

13h 35m

1 stop

2:35 pm - 11:59 pm

MBJ

SEA

11h 24m

1 stop

$542Delta

Wed, Sep 9 - Tue, Sep 15

2:35 pm - 12:15 pm

SEA

NAS

18h 40m

2 stops

1:10 pm - 10:15 pm

NAS

SEA

12h 05m

2 stops

$577Southwest

Thu, Nov 12 - Tue, Nov 17

7:54 pm - 1:47 pm

SEA

NAS

14h 53m

2 stops

3:59 pm - 11:16 pm

NAS

SEA

10h 17m

1 stop

$590United Airlines

Wed, Jul 22 - Wed, Jul 29

12:55 pm - 12:15 pm

SEA

NAS

20h 20m

2 stops

1:10 pm - 10:25 pm

NAS

SEA

12h 15m

2 stops

$594Southwest

Tue, Nov 3 - Tue, Nov 17

7:10 pm - 11:50 am

SEA

PUJ

12h 40m

2 stops

2:05 pm - 10:59 pm

PUJ

SEA

12h 54m

1 stop

$655United Airlines

Sat, Nov 14 - Sun, Nov 22

10:10 am - 12:00 pm

SEA

GCM

22h 50m

2 stops

1:10 pm - 9:17 am

GCM

SEA

23h 07m

2 stops

$743Air Canada

Thu, Nov 5 - Sat, Nov 7

8:40 am - 12:00 pm

SEA

GCM

24h 20m

2 stops

1:10 pm - 2:37 pm

GCM

SEA

28h 27m

2 stops

$770Air Canada

Tue, Dec 8 - Thu, Dec 10

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United Airlines flights from Seattle to Caribbean

Our best United Airlines deals on Seattle to Caribbean flight tickets

United Airlines

Sep 13

SEA11:00 pmSeattle/Tacoma Intl

12h 44m

1 stop

SJU2:44 pmSan Juan Luis Munoz Marin Intl

Sep 18

SJU1:00 amSan Juan Luis Munoz Marin Intl

13h 03m

1 stop

SEA11:03 amSeattle/Tacoma Intl

$554

United Airlines

Aug 8

SEA5:00 amSeattle/Tacoma Intl

12h 38m

1 stop

SJU8:38 pmSan Juan Luis Munoz Marin Intl

Aug 11

SJU7:00 amSan Juan Luis Munoz Marin Intl

10h 52m

1 stop

SEA2:52 pmSeattle/Tacoma Intl

$570

United Airlines

Aug 8

SEA5:00 amSeattle/Tacoma Intl

12h 38m

1 stop

SJU8:38 pmSan Juan Luis Munoz Marin Intl

Aug 10

SJU2:05 amSan Juan Luis Munoz Marin Intl

12h 39m

2 stops

SEA11:44 amSeattle/Tacoma Intl

$576

JetBlue flights from Seattle to Caribbean

Our best JetBlue deals on Seattle to Caribbean flight tickets

JetBlue

Jul 15

SEA7:00 amSeattle/Tacoma Intl

10h 34m

1 stop

SJU8:34 pmSan Juan Luis Munoz Marin Intl

Jul 24

SJU2:05 amSan Juan Luis Munoz Marin Intl

13h 48m

1 stop

SEA12:53 pmSeattle/Tacoma Intl

$602

JetBlue

Jul 30

SEA11:46 pmSeattle/Tacoma Intl

11h 13m

1 stop

STT1:59 pmSaint Thomas Island Cyril E King

Aug 18

STT2:58 pmSaint Thomas Island Cyril E King

33h 06m

3 stops

SEA9:04 pmSeattle/Tacoma Intl

$643

JetBlue

Jul 30

SEA11:46 pmSeattle/Tacoma Intl

11h 13m

1 stop

STT1:59 pmSaint Thomas Island Cyril E King

Aug 18

STT2:58 pmSaint Thomas Island Cyril E King

22h 35m

2 stops

SEA10:33 amSeattle/Tacoma Intl

$645

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 8/18

8:21 pm-4:11 pm

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Sun 8/23

12:55 am-9:29 am

1 stop11h 34m

$464

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 9/2

8:21 pm-4:11 pm

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Tue 9/8

7:00 am-10:56 pm

1 stop18h 56m

$469

Quickest round-trip

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 9/8

11:59 pm-1:42 pm

1 stop10h 43m

Saint Thomas Island Cyril E King

Thu 9/17

2:54 pm-11:55 pm

2 stops12h 01m

$513

SeattleMontego Bay

SEA - MBJ

SEAMBJ

Seattle/Tacoma Intl

Wed 9/9

11:59 pm-3:34 pm

1 stop13h 35m

Montego Bay Sangster Intl

Tue 9/15

2:35 pm-11:59 pm

1 stop11h 24m

$542

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

Thu 11/12

2:35 pm-12:15 pm

2 stops18h 40m

Nassau Intl

Tue 11/17

1:10 pm-10:15 pm

2 stops12h 05m

$577

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

Wed 7/22

7:54 pm-1:47 pm

2 stops14h 53m

Nassau Intl

Wed 7/29

3:59 pm-11:16 pm

1 stop10h 17m

$590

SeattleNassau

SEA - NAS

SEANAS

Seattle/Tacoma Intl

Tue 11/3

12:55 pm-12:15 pm

2 stops20h 20m

Nassau Intl

Tue 11/17

1:10 pm-10:25 pm

2 stops12h 15m

$594

SeattlePunta Cana

SEA - PUJ

SEAPUJ

Seattle/Tacoma Intl

Sat 11/14

7:10 pm-11:50 am

2 stops12h 40m

Punta Cana

Sun 11/22

2:05 pm-10:59 pm

1 stop12h 54m

$655

SeattleGeorge Town

SEA - GCM

SEAGCM

Seattle/Tacoma Intl

Thu 11/5

10:10 am-12:00 pm

2 stops22h 50m

George Town Owen Roberts Intl

Sat 11/7

1:10 pm-9:17 am

2 stops23h 07m

$743

SeattleGeorge Town

SEA - GCM

SEAGCM

Seattle/Tacoma Intl

Tue 12/8

8:40 am-12:00 pm

2 stops24h 20m

George Town Owen Roberts Intl

Thu 12/10

1:10 pm-2:37 pm

2 stops28h 27m

$770

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, May 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 $167. If you don’t want to visit Caribbean in May, then you should wait until December to fly from Seattle, when ticket prices are also cheap, with an average price of $180.

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 $588 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 $499 on momondo.

Can stopping save me money on Seattle to Caribbean flights?

You could potentially save up to 10% 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 20m
Direct flights	None

The fastest flight from Seattle to Caribbean takes 8h 20m

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 June 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 MAX 9, making up 100.00% of the total bookings.

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 2,880 reviews	Search Frontier flights
Delta	PriceFrom $199	Free Cancellation	Rating 7.8 8,410 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,859 reviews	Search United Airlines flights
JetBlue	PriceFrom $282	Free Cancellation	Rating 7.1 2,984 reviews	Search JetBlue flights
Air Canada	PriceFrom $349	Free Cancellation	Rating 7.1 11,212 reviews	Search Air Canada flights
American Airlines	PriceFrom $365	Free Cancellation	Rating 7.1 11,688 reviews	Search American Airlines flights
Sun Country Air	PriceFrom $454	Free Cancellation	Rating 6.8 330 reviews	Search Sun Country Air flights
Southwest	PriceFrom $494	Free Cancellation	Rating 7.9 4,236 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $587	Free Cancellation	Rating 7.9 12,536 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.