$129 Find Cheap Flights from Seattle to Caribbean Islands

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Caribbean Islands departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Caribbean Islands

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Caribbean Islands.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Caribbean Islands.
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Flight Deals

Cheap Flights from Seattle to Caribbean Islands

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Punta Cana
Punta Cana1 stop$406
Santo Domingo
Santo Domingo2 stops$475
Montego Bay
Montego Bay1 stop$419
Oranjestad
Oranjestad1 stop$447
Nassau
Nassau1 stop$446
Kingston
Kingston1 stop$534
Simpson Bay
Simpson Bay2 stops$552
Providenciales
Providenciales1 stop$450
Port of Spain
Port of Spain2 stops$648
Bridgetown
Bridgetown2 stops$610
George Town
George Town1 stop$532
Willemstad
Willemstad1 stop$495
St. John's
St. John's2 stops$599
Puerto Plata
Puerto Plata1 stop$569
Aguadilla
Aguadilla2 stops$474
Punta Cana
Punta Cana1 stop$406
Santo Domingo
Santo Domingo2 stops$475
Montego Bay
Montego Bay1 stop$419
Oranjestad
Oranjestad1 stop$447
Nassau
Nassau1 stop$446
Kingston
Kingston1 stop$534
Simpson Bay
Simpson Bay2 stops$552
Providenciales
Providenciales1 stop$450
Port of Spain
Port of Spain2 stops$648
Bridgetown
Bridgetown2 stops$610
George Town
George Town1 stop$532
Willemstad
Willemstad1 stop$495
St. John's
St. John's2 stops$599
Puerto Plata
Puerto Plata1 stop$569
Aguadilla
Aguadilla2 stops$474

Book Cheap Seattle to Caribbean Islands Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Caribbean Islands that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Caribbean Islands

Mon, Mar 2 - Tue, Mar 3
American Airlines Logo
6:13 pm - 10:00 am
SEA
-
SJU
11h 47m
2 stops
American Airlines Logo
3:39 pm - 11:04 pm
SJU
-
SEA
11h 25m
1 stop
$379American Airlines
Wed, Feb 25 - Tue, Mar 3
United Airlines Logo
7:00 am - 9:00 pm
SEA
-
SJU
10h 00m
1 stop
United Airlines Logo
2:05 am - 11:14 am
SJU
-
SEA
13h 09m
1 stop
$384United Airlines
Wed, Apr 1 - Tue, Apr 14
United Airlines Logo
7:00 am - 8:34 pm
SEA
-
SJU
10h 34m
1 stop
United Airlines Logo
1:00 am - 11:48 am
SJU
-
SEA
13h 48m
2 stops
$418United Airlines
Tue, Feb 24 - Wed, Mar 4
American Airlines Logo
12:59 am - 2:53 pm
SEA
-
MBJ
10h 54m
1 stop
American Airlines Logo
11:07 am - 11:40 pm
MBJ
-
SEA
15h 33m
1 stop
$419American Airlines
Sun, Mar 1 - Tue, Mar 10
Southwest Logo
6:25 pm - 10:30 am
SEA
-
SJU
12h 05m
2 stops
Southwest Logo
5:55 am - 7:35 pm
SJU
-
SEA
16h 40m
2 stops
$421Southwest
Wed, Feb 25 - Wed, Mar 4
Southwest Logo
6:45 am - 12:35 am
SEA
-
SJU
13h 50m
2 stops
Southwest Logo
10:20 am - 9:50 pm
SJU
-
SEA
15h 30m
2 stops
$424Southwest
Wed, Mar 4 - Sun, Mar 8
Delta Logo
9:55 pm - 12:32 pm
SEA
-
MBJ
11h 37m
1 stop
Delta Logo
2:42 pm - 11:38 pm
MBJ
-
SEA
10h 56m
1 stop
$432Delta
Wed, Mar 4 - Sun, Mar 8
Delta Logo
7:00 pm - 12:32 pm
SEA
-
MBJ
14h 32m
2 stops
Delta Logo
2:42 pm - 11:38 pm
MBJ
-
SEA
10h 56m
1 stop
$437Delta
Wed, Apr 8 - Fri, Apr 17
Air Canada Logo
8:00 pm - 2:50 pm
SEA
-
SXM
39h 50m
2 stops
Air Canada Logo
4:00 pm - 10:10 pm
SXM
-
SEA
33h 10m
2 stops
$552Air Canada
Thu, Apr 9 - Mon, Apr 20
Air Canada Logo
8:00 am - 2:50 pm
SEA
-
SXM
27h 50m
1 stop
Air Canada Logo
4:00 pm - 9:51 pm
SXM
-
SEA
32h 51m
1 stop
$562Air Canada
Booking Insights

KAYAK's insights & trends for Seattle to Caribbean Islands flights

Get data-powered insights and trends into flights from Seattle to Caribbean Islands to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Seattle to Caribbean Islands flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Caribbean Islands from Seattle found in the last 72 hours was to Nassau, at $603 round-trip. The most popular route is from Seattle (SEA) to Nassau (NAS), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $603.

Can I save money by flying with a layover from Seattle to Caribbean Islands?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $413, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seattle to Caribbean Islands?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Caribbean Islands, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Caribbean Islands is October, when tickets cost $431 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $809 and $710 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Caribbean Islands, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Caribbean Islands, you should book around 4 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$129
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Seattle to San Juan

FAQs - booking Caribbean Islands flights

  • How does KAYAK find such low prices on flights from Seattle to Caribbean Islands?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Caribbean Islands.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Caribbean Islands?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Caribbean Islands is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Caribbean Islands?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Seattle to Caribbean Islands with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Caribbean Islands?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Caribbean Islands up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Seattle to Caribbean Islands

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Caribbean Islands. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Caribbean Islands? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4267 reviews
8.0Comfort
8.6Crew
7.5Entertainment
8.1Boarding
7.0Food
Airline reviews

All good except once again bags took an hour at Midway Airport Happens all the time. Ridiculous

10.0 ExcellentAnonymous, Jan 2026
PHX - MDW
Read more Southwest reviews

All good except once again bags took an hour at Midway Airport Happens all the time. Ridiculous

Everything went smoothly and we even arrived a little bit early.

Great vacation. Can't wait till next year for another one.

Great flight but super high price. Glad it was a business trip and not personal

On time. Friendly staff. Took to long to pre bord all the specialty groups. Cramped small plane

The seats were comfortable, and the boarding process was pretty smooth.

3 hour delay. Had to change plans and was still delayed.

The staff was very friendly, professional, and courteous. The overall flight was a great experience.

The crew canceled the complementary snack and drink in anticipation of turbulence that never materialized. I was counting on the drink (water) to take the the doses of medication - prescribed for my heart condition - that were due during the flight. Since no snack or meal was served on this flight, I cannot rate the food quality. Otherwise, this flight was excellent.

Departure was delayed more than 1/2 hour while we waited for luggage (only) transfer from another flight/plane. Once approved for takeoff, the flight was excellent.

Timing, quality of service, promptness and courtesy of the staff

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

delta last minute gave me a boarding pass for a different flight with no confirmation that they were changing it

The flight was comfortable and uneventful, which is what I desire

The service from the flight attendants were of supreme quality. They greeted and treated everyone with a wide smile. This is totally absent nowadays. Kudos to them!!!!

Excellent flight and got us around tough weather. Only issue was seat TV did not work and crew tried to reboot.

Very large passenger too space from my own seat. Arm board couldn’t be lowered because of his size. It wads very uncomfortable trip, as the flight was full couldn’t move anywhere having back pain because of the position in which I was the entire flight.

was sitting in the jet bridge for 10 minutes in -20 degree weather waiting for my bag

Outdated equipment in disrepair, wifi inoperable. Broken seats, taped air vents, generally poor condition, the 717 showed its age and lack of upkeep.

My flight out of Baton Rouge to Atlanta was delayed by a half hour. This got us into Atlanta airport 30 minutes late. I ran through the airport to get to my connecting flight. As I approached the boarding gate, I saw the boarding door was still open and a passenger was being checked in. But when I got to the gate, the boarding agent told me they had already given away my seat and there were no empty seats on that flight. So I had to take a later flight. That has never happened to me before. Very frustrating.

In overall it was a good experience, the only down point was that the entertainment screen was working properly.

HORRIBLE, my initial flight was cancelled, they made me pay $200 extra dollars and that got cancelled as well! After 6 cancellations I decided to get a refund because I needed to get home to my babies. Out of $1000+ dollars they offered me only $40 in refund! Totally unacceptable! The flight that they cancelled I was able to fly it on another airline. I had to spend $400 on one way tickets just to get home! I’m still getting the runaround.

First class ticket gets you a choice of chips or nuts. . Just like economy Southwest. Also no screen in the seats. This is first class???!

Seated dude next to me even though lots of empty rows. But main thing was we sat on the tarmac after landing for 30 minutes because of, in the words of the dude who sat next to me, “operational incompetence”. We got changing directions about where to pick up gate checked bags. Pilot and flight attendant were awesome though.

The food was terrible this time. Otherwise pleasant, quiet, on-time.

It was a pretty standard flight... until the almost hour and a half spent on the taxi way. I get that the weather has been poor but the delay had nothing to do with the weather and more to do with a plane with several issues tying up the gate. I get that that happens from time to time but this has been EVERY flight I've been on for the past 5 years and I fly 3 to 5 times a year. This isn't just United... it's American, it's Delta. It's an issue with the entire industry. I work for UPS and packages on a cargo plane get better service than people do these days. Anymore I HATE flying.

Flight arrived 30 min early and bag was waiting at the baggage pickup. United Club HNL was one of the nicest in the system

Unfortunately weather delayed our flight waiting for our plane to arrive and due to a little snow time was needed to deice the plane so departure was very delayed and I missed the connecting flight

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

I wish there were outlets to charge my iPhone. The crew was great; we had a female pilot who was great with explaining what was happening and delays,

Crew was helpful and cheerful especially when they had no refreshments to work with. The plane was never serviced and had nothing but limited water and coffee onboard. For the price point, a concern of services.

Flight was smooth, quick and felt safe. The 2 delays not happening would have been better but I guess that happens in the airline industry

Flight was canceled. I asked to be rerouted to OKC and then took an Uber.

AA did not allow to board a flight because my connecting flight from DFW had been canceled. I got on another flight to another city. No service on the plane and I did not use their entertainment system.

On time on a day with lots of weather cancellations on other flights. Thank you for getting me home during a winter storm!

Don't change gate multiple times make people run across the airport. Announce delays in a timely manner. Have maintenance crew ready. Don't delay and keep passengers on the plane for 3 hrs. on tarmac.

The plane was experiencing problems with the HVAC system, it was very cold in the front of the plane and very hot in the back.

My flight to London from Philadelphia was cancelled due to weather.

The attendants were kind and helpful. A sugar-free drink would have been very welcome.

Pilot navigated severe weather/snow storm with skill. Described his intentions clearly

The plane was delayed substantially due to a mechanical problem, that being said, the airline was very fair with providing a meal coupon for us. I would rather arrive late on a mechanically sound plane than the alternative. The food served in the plane was just awful, however and I recommend a new catering company.

I waiting for 2 hrs to retrieve my luggage. Didn't get home till 3am.

The flight left late and I didn’t get a glass of bubbly upon boarding (which I’m used to when booking business class on other flights), but otherwise it was a pleasant flight with lovely, helpful crew members and I enjoyed my meal.

Flight cancellations, delays, mass confusion and disorganization! That’s Air Canada for you, nothing new. I would have chosen a different airline if it were an option, and Air Canada continues to prove they don’t care about their customers.

everything was fine. but paying for 1 piece of check-in luggage and denying passengers to board with carry-on luggage which by air line's standards does not fit is not acceptable. when one travels for a longer time one needs to have some essentials

Couldn't fit knees, only 1 toilet working, didn't get anything to drink cause the stewards were not able to get to us

Flight was canceled for a reason they knew hours before but did not mention. Next the gate chnage from 37 to 38 at least 10 times. Ridiculous.

The flight from SFO to YVR was delayed and my bag did not make it to my next flight from YVR to SYD. It took almost 3 days after I landed to get my bag and when I got it, it was filled with dust

Our biggest complaint about Air Canada is that if you don’t like your seat during check-in, there’s a fee to move elsewhere. On our flight from YUL to FFL, we were charged to change seats—just regular seats. What’s maddening is that the plane wasn’t even full; there were even a few people sleeping in the middle row sections (entire rows, completely empty), using them as beds. In my opinion, charging passengers for seat changes is a cash grab by Air Canada. They are definitely not the airline they were back in the day. I suppose they need to gouge the consumer now that they pay their attendants while on ground. One out of 10.

Nothing specific. Cabin temperature was too high for some reason.

Everything you need to know for your flight to Caribbean Islands

Information on your arrival and departure airports