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Cheap Flights from Caribbean Islands to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Caribbean Islands to Seattle

Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
12:21 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
14h 38m1 stop Miami
American Airlines Logo
9:42 pm - 3:01 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
14h 19m1 stop Charlotte Douglas
$320American Airlines
Thu, Sep 24 - Sat, Oct 3
American Airlines Logo
2:22 pm - 10:57 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
11h 35m1 stop Philadelphia
American Airlines Logo
8:50 pm - 1:57 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
14h 07m1 stop Miami
$320American Airlines
Tue, Oct 6 - Wed, Oct 14
Southwest Logo
6:35 am - 7:05 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
15h 30m2 stops Orlando Denver Intl
Southwest Logo
8:55 am - 11:45 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
11h 50m2 stops Austin Bergstrom Orlando
$373Southwest
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
1:25 pm - 9:55 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
11h 30m1 stop Newark
United Airlines Logo
10:48 pm - 11:57 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
10h 09m1 stop Newark
$426United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
2:00 pm - 9:15 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
10h 15m1 stop Denver Intl
United Airlines Logo
11:14 pm - 12:34 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
10h 20m1 stop Washington, D.C. Dulles Intl
$426United Airlines
Wed, Oct 14 - Wed, Oct 21
Southwest Logo
5:05 am - 2:20 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
12h 15m2 stops Orlando Denver Intl
Southwest Logo
8:55 am - 11:45 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
11h 50m2 stops Austin Bergstrom Orlando
$426Southwest
Sat, Oct 10 - Sat, Oct 17
Delta Logo
6:45 am - 8:09 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
16h 24m1 stop New York John F Kennedy Intl
Delta Logo
5:29 pm - 12:05 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
15h 36m2 stops Salt Lake City New York John F Kennedy Intl
$426Delta
Mon, Oct 26 - Mon, Nov 9
Delta Logo
7:15 am - 10:05 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
17h 50m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
11:59 pm - 12:45 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
8h 46m1 stop Atlanta Hartsfield-Jackson
$426Delta
Tue, Dec 8 - Sun, Dec 13
Air Canada Logo
9:25 pm - 8:59 pmNAS  Nassau Intl-SEA Seattle/Tacoma Intl
26h 34m1 stop Toronto Pearson Intl
Air Canada Logo
10:10 am - 1:15 pmSEA  Seattle/Tacoma Intl-NAS Nassau Intl
24h 05m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$495Air Canada
Tue, Dec 8 - Sun, Dec 13
Air Canada Logo
9:25 pm - 6:22 pmNAS  Nassau Intl-SEA Seattle/Tacoma Intl
23h 57m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
10:10 am - 1:15 pmSEA  Seattle/Tacoma Intl-NAS Nassau Intl
24h 05m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$495Air Canada
Useful Info

Good to know

Low season

January

Cheapest flight

$160
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from San Juan to Seattle

FAQs for booking flights from Caribbean Islands to Seattle

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

    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 Caribbean Islands to Seattle.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from 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 Caribbean Islands to Seattle?

    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 to Seattle with an airline and back to Caribbean Islands with another airline.

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

    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 to Seattle from 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 airlines flying from Caribbean Islands to Seattle

 
Need help choosing which airline to fly with from Caribbean Islands to Seattle? 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.
7.4
United AirlinesOverall score based on 10121 reviews
7.7Boarding
8.1Crew
6.7Food
7.3Comfort
7.1Entertainment
Airline reviews

The flight was delayed by a hour and I wish they had communicated it sooner. No issues on the plane, it did take a while for food to come.

6.0 GoodMatthew, Jul 2026
Read more United Airlines reviews

The flight was delayed by a hour and I wish they had communicated it sooner. No issues on the plane, it did take a while for food to come.

Smooth and easy boarding, comfortable for the entire 5 hour flight, and the seat back entertainment was great! I appreciated all the features, from location info and maps, movies, the ability to connect with Bluetooth headphones, and good selection of movies. Food was good, normal airline snacks (I didn’t purchase anything)

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

leg space better than expected. two washrooms for one plane isn't enough.

The seats on this flight were almost roomy enough to be the basic amount needed for human existence. I think my favorite part of this flight was it landed at an A gate, which was the most palatial part of Sea-Tac I've ever seen - a massive improvement from the S gates.

Everything was fantastic. Modern plane. All the amenities! Although the paid snacks and meals are pure robbery. Like i understand airlines need to make money, but 11$ USD for an overnight oats with some nuts in it and barely any pieces of apple.... Highway robbery

An hour and a half late is UNACCEPTABLE. The negative impact to our family is unconscionable. And for the price we were forced to pay...

Our flight was delayed many times throughout the day. The final delay was about 8 hours. I spent time in line to speak to someone at their understaffed desk, and also spent time waiting online and then chatting with a service rep. None of the United employees were any help at all. I desperately wanted to go get rest and possibly re-book my trip but I was denied any compensation or voucher for a hotel. I was repeatedly told it was not United's fault and therefore they had no compensation to offer. Overall, a cold and callous experience.

Flight crew and pilots did great. Flight way delayed due to a part needing replacement. Based on what the pilot indicated- the maintenance crew could’ve resolved this more efficiently than replacing whole part- and taken less time

The most cramped seating I’ve ever experienced, (including budget airlines) with no food available for purchase on a nearly 6 hour flight.

Plane was super cold. No entertainment unless you were with mileage program Getting off the plane was super slow

Beverage service was not good. Also just one service in 5 hr 30 min flight. No ask fir water ir anything beside one time beverage service.

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

It was a code share with Alaska - would have been great if I actually made it on the plane, claimed I didn’t have a ticket or a seat even thought I was checked in.

The main problem was delay. The plane was at the gate early and bags were loaded. However, there was no crew for the flight. They were inbound from LGA and had to land and make their way to our gate. It took more than 40 minutes. Then, once the crew arrived and boarded, one of the crew members had to deplane and then a replacement crew member had to be found. It took another 40 minutes or so to get the final crew member. In all, we took off about 2 hours later than our scheduled departure time. Once in the air, the flight was great. Smooth most of the way. The crew was professional and efficient.

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

I had trouble finding a boarding pass because I had an hour between Flights and American did not see my flight I believe because I was ticketed through KAYAK. I did not have enough time to go to the desk before boarding so I went to the desk and told them while I was boarding and they had a boarding pass for me within three minutes. Nice. I paid extra to have more legroom and it is definitely worth it for a six hour flight. I would’ve paid for a decent dinner, but they didn’t offer anything but a snack box —not good for six hours.

Terrible flight seats where really uncomfortable I had body aches for 2 days and flight was delays almost two hours

Very smooth for one of the busiest travel days of the year and the crew was great.

Customer service prior to boarding is horrible Communication regarding boarding gates is released at the last minute and the gates are very distant from Customs. Very disappointing

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Everything you need to know for your flight to Seattle

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