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Cheap flights from Seattle to Caribbean from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Caribbean departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Caribbean

Cheap round-trip flights

JetBlue Logo
11:59 pm - 4:43 pmSEA-SJU
13h 44m1 stop
JetBlue Logo
1:25 pm - 10:20 pmSJU-SEA
11h 55m1 stop
$361JetBlue
Find Deal
Tue, Sep 23 - Tue, Sep 30
JetBlue Logo
11:59 pm - 4:43 pmSEA-SJU
13h 44m1 stop
JetBlue Logo
1:25 pm - 10:20 pmSJU-SEA
11h 55m1 stop
$362JetBlue
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
8:18 pm - 6:14 pmSEA-SJU
18h 56m1 stop
American Airlines Logo
6:10 am - 11:59 pmSJU-SEA
20h 49m1 stop
$372American Airlines
Find Deal
Mon, Sep 22 - Wed, Sep 24
American Airlines Logo
5:43 pm - 12:47 pmSEA-SJU
16h 04m2 stops
American Airlines Logo
12:01 pm - 9:23 pmSJU-SEA
12h 22m2 stops
$377American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
6:00 am - 9:59 pmSEA-SJU
12h 59m1 stop
Delta Logo
7:15 am - 3:50 pmSJU-SEA
11h 35m1 stop
$387Delta
Find Deal
Tue, Oct 21 - Tue, Oct 28
Southwest Logo
6:35 am - 12:35 amSEA-SJU
14h 00m2 stops
Southwest Logo
6:40 am - 6:40 pmSJU-SEA
16h 00m2 stops
$394Southwest
Find Deal
Mon, Nov 3 - Wed, Nov 12
United Airlines Logo
7:00 pm - 12:00 pmSEA-SJU
14h 00m2 stops
United Airlines Logo
1:05 am - 11:31 amSJU-SEA
13h 26m2 stops
$403United Airlines
Find Deal
Sun, Sep 21 - Sat, Sep 27
United Airlines Logo
7:10 am - 8:38 pmSEA-SJU
10h 28m1 stop
United Airlines Logo
1:05 am - 11:31 amSJU-SEA
13h 26m2 stops
$406United Airlines
Find Deal
Tue, Sep 23 - Sat, Sep 27
Delta Logo
6:00 am - 9:59 pmSEA-SJU
12h 59m1 stop
Delta Logo
7:15 am - 3:50 pmSJU-SEA
11h 35m1 stop
$414Delta
Find Deal
Tue, Oct 21 - Sat, Nov 1
Southwest Logo
5:40 am - 11:20 pmSEA-SJU
13h 40m2 stops
Southwest Logo
2:05 pm - 10:55 pmSJU-SEA
12h 50m2 stops
$436Southwest
Find Deal
Wed, Dec 3 - Tue, Dec 9

United Airlines flights from Seattle to Caribbean

Our best United Airlines deals on Seattle to Caribbean flight tickets
United Airlines
Sep 21
SEA7:00 pmSeattle/Tacoma Intl
14h 00m
2 stops
SJU12:00 pmSan Juan Luis Munoz Marin Intl
Sep 27
SJU1:05 amSan Juan Luis Munoz Marin Intl
13h 26m
2 stops
SEA11:31 amSeattle/Tacoma Intl
$403
Find similar
United Airlines
Sep 23
SEA7:10 amSeattle/Tacoma Intl
10h 28m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Sep 27
SJU1:05 amSan Juan Luis Munoz Marin Intl
13h 26m
2 stops
SEA11:31 amSeattle/Tacoma Intl
$406
Find similar
United Airlines
Dec 4
SEA8:10 amSeattle/Tacoma Intl
10h 12m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Dec 8
SJU2:05 amSan Juan Luis Munoz Marin Intl
13h 11m
1 stop
SEA11:16 amSeattle/Tacoma Intl
$411
Find similar

Delta flights from Seattle to Caribbean

Our best Delta deals on Seattle to Caribbean flight tickets
Delta
Oct 21
SEA6:00 amSeattle/Tacoma Intl
12h 59m
1 stop
SJU9:59 pmSan Juan Luis Munoz Marin Intl
Oct 28
SJU7:15 amSan Juan Luis Munoz Marin Intl
11h 35m
1 stop
SEA3:50 pmSeattle/Tacoma Intl
$387
Find similar
Delta
Oct 21
SEA6:00 amSeattle/Tacoma Intl
12h 59m
1 stop
SJU9:59 pmSan Juan Luis Munoz Marin Intl
Nov 1
SJU7:15 amSan Juan Luis Munoz Marin Intl
11h 35m
1 stop
SEA3:50 pmSeattle/Tacoma Intl
$414
Find similar
Delta
Oct 3
SEA6:00 amSeattle/Tacoma Intl
13h 00m
2 stops
SJU10:00 pmSan Juan Luis Munoz Marin Intl
Oct 9
SJU7:15 amSan Juan Luis Munoz Marin Intl
14h 43m
1 stop
SEA6:58 pmSeattle/Tacoma Intl
$424
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Caribbean that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Seattle to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

11:59 pm-4:43 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:25 pm-10:20 pm

1 stop11h 55m

$361

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

11:59 pm-4:43 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:25 pm-10:20 pm

1 stop11h 55m

$362

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 9/22

8:18 pm-6:14 pm

1 stop18h 56m

San Juan Luis Munoz Marin Intl

Wed 9/24

6:10 am-11:59 pm

1 stop20h 49m

$372

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

5:43 pm-12:47 pm

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Tue 9/30

12:01 pm-9:23 pm

2 stops12h 22m

$377

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 10/21

6:00 am-9:59 pm

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Tue 10/28

7:15 am-3:50 pm

1 stop11h 35m

$387

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 11/3

6:35 am-12:35 am

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Wed 11/12

6:40 am-6:40 pm

2 stops16h 00m

$394

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 9/21

7:00 pm-12:00 pm

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Sat 9/27

1:05 am-11:31 am

2 stops13h 26m

$403

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 9/23

7:10 am-8:38 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Sat 9/27

1:05 am-11:31 am

2 stops13h 26m

$406

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 10/21

6:00 am-9:59 pm

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Sat 11/1

7:15 am-3:50 pm

1 stop11h 35m

$414

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 12/3

5:40 am-11:20 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 12/9

2:05 pm-10:55 pm

2 stops12h 50m

$436

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 $455. If you don’t want to visit Caribbean in January, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $460.

What is the cheapest day to depart on your flight to Caribbean?

The cheapest day to depart from Seattle to Caribbean is on a Tuesday when prices can be found for as low as $504. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $693. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean.

What is the cheapest time of day to depart on your flight to Caribbean?

At noon is the cheapest time of day to fly from Seattle to Caribbean when you can find flight prices for as low as $465. Flying to Caribbean at noon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $584.

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 $584 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 $488 on momondo.

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

There are 2 cabin classes 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

Best Price Found

$166

Fastest flight time

8h 09m

Direct flights

None

Airports in Caribbean

9 airports
The best one-way flight to Caribbean from Seattle in the past 72 hours is $166. The best round-trip flight deal from Seattle to Caribbean found on momondo in the last 72 hours is $361.
The fastest flight from Seattle to Caribbean takes 8h 09m
There are no direct flights from Seattle to Caribbean. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Nassau Intl Airport, Seattle/Tacoma Intl Airport - Montego Bay Sangster Intl Airport and Seattle/Tacoma Intl Airport - San Juan Luis Munoz Marin Intl Airport.
There are 9 airports near Caribbean: Nassau Intl (NAS), Santo Domingo Las Americas (SDQ), Saint Thomas Island Cyril E King (STT), Montego Bay Sangster Intl (MBJ), Punta Cana (PUJ), Castries Hewanorra (UVF), Christiansted Henry Rohlsen (STX), Oranjestad Reina Beatrix (AUA), San Juan Luis Munoz Marin Intl (SJU)
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  • 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?

  • 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?

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
FrontierPriceFrom $175Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $233Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
JetBluePriceFrom $252Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $340Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $365Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Sun Country AirPriceFrom $447Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
SouthwestPriceFrom $521Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
Air CanadaPriceFrom $632Free CancellationRating
7.1
9,851 reviews
Search Air Canada 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.

An easier way to manage your Caribbean trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Caribbean

Popular cities in Caribbean

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $105
Flights to Punta Canafrom $195
Flights to Santo Domingofrom $197
Flights to Montego Bayfrom $212
Flights to Oranjestadfrom $280
Flights to Nassaufrom $266
Flights to Saint Thomas Islandfrom $152
Flights to Kingstonfrom $248
Flights to Port of Spainfrom $269
Flights to Simpson Bayfrom $237
Flights to Willemstadfrom $262
Flights to Santiago de los Caballerosfrom $207