$149 Find Cheap Flights from Caribbean Islands to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 10/31. 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

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Everything you should know

Cheapest round-trip
$363
Overall average: $564
Delta
Thu 11/13Tue 11/18
SJU - SEA • 1 stop
Cheapest one-way
$149
Typical prices: $203-$368
Frontier
Fri 10/31
SJU - SEA • 2 stops
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Flight Deals

Cheap Flights from Caribbean Islands to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Caribbean Islands to Seattle 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 Caribbean Islands to Seattle

Thu, Nov 13 - Tue, Nov 18
Delta Logo
7:00 am - 2:37 pmSJU-SEA
11h 37m1 stop
Delta Logo
6:00 am - 11:13 pmSEA-SJU
13h 13m1 stop
$363Delta
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Mon, Nov 3 - Tue, Nov 11
American Airlines Logo
2:47 pm - 11:26 pmSJU-SEA
12h 39m1 stop
American Airlines Logo
5:24 am - 9:35 pmSEA-SJU
12h 11m1 stop
$369American Airlines
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Wed, Nov 19 - Sat, Dec 6
United Airlines Logo
3:46 pm - 10:46 pmSJU-SEA
11h 00m1 stop
United Airlines Logo
7:00 am - 12:36 amSEA-SJU
13h 36m2 stops
$387United Airlines
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Sun, Nov 9 - Sun, Nov 16
American Airlines Logo
8:00 am - 8:59 pmSJU-SEA
16h 59m1 stop
American Airlines Logo
10:07 pm - 5:05 pmSEA-SJU
14h 58m1 stop
$406American Airlines
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Sat, Dec 13 - Wed, Dec 31
United Airlines Logo
8:30 am - 6:25 pmSJU-SEA
13h 55m2 stops
United Airlines Logo
11:09 pm - 2:40 pmSEA-SJU
11h 31m1 stop
$429United Airlines
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Mon, Dec 22 - Mon, Dec 29
Sun Country Air Logo
5:02 pm - 10:42 amSJU-SEA
21h 40m1 stop
Sun Country Air Logo
6:26 pm - 4:13 pmSEA-SJU
17h 47m1 stop
$437Sun Country Air
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Thu, Oct 23 - Sun, Oct 26
Frontier Logo
3:19 pm - 8:48 amSJU-SEA
20h 29m2 stops
Frontier Logo
2:31 pm - 11:01 amSEA-SJU
17h 30m2 stops
$443Frontier
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Mon, Dec 22 - Sun, Dec 28
Sun Country Air Logo
5:02 pm - 10:42 amSJU-SEA
21h 40m1 stop
Sun Country Air Logo
11:59 pm - 4:01 pmSEA-SJU
12h 02m1 stop
$455Sun Country Air
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Wed, Mar 25 - Sun, Mar 29
Delta Logo
9:00 am - 12:16 amKIN-SEA
17h 16m1 stop
Delta Logo
6:00 am - 8:00 pmSEA-KIN
12h 00m1 stop
$477Delta
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Fri, Oct 24 - Wed, Oct 29
Frontier Logo
9:19 pm - 12:07 pmSJU-SEA
17h 48m2 stops
Frontier Logo
12:58 pm - 11:19 amSEA-SJU
19h 21m2 stops
$524Frontier
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Good to know

Low seasonJanuary
Cheapest flight$149
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 11% lower on average.
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 3 airlines serving 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.
7.9
DeltaOverall score based on 7975 reviews
7.3Food
7.9Entertainment
8.2Boarding
8.5Crew
7.9Comfort
Airline reviews

The boarding process needs to be refined. Sometimes the gate crew calls out the zones and then flip to showing the.zones boarding on the gate monitor display. So, unless you are huddled around the gate lanes watching the monitor, you could miss your boarding zone. Suggest the zones be announced each time a new zone is allowed to board.

8.0 ExcellentAnonymous, Oct 2025ATL - STL
Read more Delta reviews

The boarding process needs to be refined. Sometimes the gate crew calls out the zones and then flip to showing the.zones boarding on the gate monitor display. So, unless you are huddled around the gate lanes watching the monitor, you could miss your boarding zone. Suggest the zones be announced each time a new zone is allowed to board.

The boarding process needs to be refined. Sometimes the gate crew call out the boarding zone, and then flip to the monitor to show which zones are boarding. So unless everyone is gathered around to see the monitor there is usually confusion as wi which zones are boarding.

On time flight. Seat comfort could be better in the Comfort section.

My issue was with TSA agents for delta airlines. My luggage got flagged. The agent was going thru another persons first. He took 20 min to go thru hers. I asked them to bring mine closer so I could sit down . They said you can go sit it will be fine. I said I am supposed to keep my eyes on my bags at all times. The agent was meticulously unwrapping 2 gifts that the lady had and then tried to re warp it. He was trying to be kind i get it but 20 min for me to stand watching him do that was ridiculous. It was 6 am and there were a ton of travelers. Mine was flagged for some air packed tea that I bought in Turkey. My previous delta flight and 2 others before didn’t flag it. Consistency would be nice. Also on the flight the window shades were down for take off and landing - I thought that was very odd I thought they had to remain open for take off and landing.

The flight was an hour and a half late departing which was inconvenient

Delay in SLC jammed us up in Chicago. Got caught up in rush hour traffic

The crew took good care of us. The flight from ATL to SFO is a longer one, and there were multiple beverage offerings. I like the 757's that Delta uses. Good airplane that is comfortable. I do wish Delta would separate Priority boarding from the better seats. I would gladly take a smaller seat in an open row than be jammed into Comfort just to get priority boarding, just to make sure I don't have to check a bag.

The crew was not very visible. This might be a good thing for people who wanted to sleep but seemed odd when compared to the Atlantic crossing where they are more present in the cabin. The Food (beef) was not good. Tough and tasteless. Would love to see more choices on a long flight like that.

The flight was great. The gate location was way to far away!!!

This was our second flight using the Delta One class of service. Overall, it’s a good product but for me the POD configuration is a bit constrictive. I am an average size male at 5’ 10” height weighing 190 lbs so it’s not a size thing for me. I’d rather have extra wide seats without the POD walls to be honest.

The entertainment available didn’t work for anyone on the flight. Long 6 hr flight with no entertainment option and the staff didn’t know until an hour into the flight when we made sure they knew about it. They had no way to fix it.

Crew seemed a bit cranky. No seatback screens. But boarding was efficient and on time and we arrived early.

The worst landing I have ever had on a domestic flight. Thought we would lose the landing gear on landing in Newark. Then we spent 40 minutes trying to position the plane in the right place to be able to get the jet way to the plane. The plane arrived stopped. The announcer was that we were there. Everybody got up, then we were told to sit back down because they had to have us towed to a different position. We got towed and then everyone stood up and they told us we were in the wrong position to sit back down again, and then we got towed to a different position This did not happen immediately. It was 30 minutes while we wandered around a small section of the tarmac in Newark close to the gate, but apparently not close enough. Horrifying experience The CAB should be investigating that flight

Boarding was organized. Plane seats comfortable and service was attentive. Food options were good.

This was a very average flight. The seat was out of alignment so more uncomfortable than usual. The cabin felt not well maintained. But I safely got where I needed to go.

Trip was great. A wild landing in Ottawa with the wind and rain, but the pilot did a great job. Always love flying United.👍

I will never book a flight through Cheap fare. They booked me from Portland Main . And would not give me a refund, so I bought 2 tickets one for 299. From Portland Main to ORD. Then I had to buy a ticket from Oregon PDX to ORD that was another 440. So Just so you know they even told me it was there fault but no refund. Bad bussniess. I did inform United but they said they couldn't help me due to the fact I booked through Cheap Tickets. Never again. And I'm spreding the word. I let everyone know at my 50th class reunion

The internet service I paid for didn’t work at all and the flight crew was not very friendly.

Excellent experience. Starting with the agent at the Premier bag drop who noticed I was very early for my scheduled flight and offered to rebook me on an earlier flight with my seat preference. She would not let me leave the counter until she knew that all of the changes and new boarding pass showed up on my United app. At the gate, the flight boarded quickly such that we departed early and the flight was smooth. We arrived 20 minutes early at ORD and I was able to be home in time for dinner. One of the best flights I've had.

Late FA meant slow boarding. WiFi did not work. I’m a medium plus sized passenger. The seatbelt was for the first time ever barely fitting. And we delayed on the tarmac 40 min

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a typical flight. We had a delay which seems to be the normality now. And we had no in flight service due to conditions.

Flight attendants on this flight were very attentive and friendly

After we landed we sat on the tarmac for 1.5 hours waiting to get to our gate. Ridiculous.

the trip to madrid was uncomfortable with my legs touching the seat in front of me

The plane was late, when we did board the plane was as cold as a freezer. I was freezing the entire flight, no blankets. Lost miserable flight I’ve ever had.

Flight, food and crew were all good, friendly and very satisfactory.

Terrible. Flight delayed for more than 8 hours with only a $12 meal voucher provided for the inconvenience. The airplane did not have breaks on arrival yet they still made us go through the motions and board on time knowing we could not take off then sit for 40+ minutes before having to get of the time. A complete waste of my time. I cannot believe they can stay business with these shenanigans. I’ll avoid this company like the plague moving forward as the lack of accountability is disgraceful.

This was the best 2 flights I have had with American out of SGF. Great crew both flights.

We were delayed for a “couple of maintenance issues.” They were resolved rather quickly but a computer glitch caused someone in the airport to have to bring a physical copy of the paperwork so we could leave. I don’t know where they had to drive from to get to our plane but it took forever & we were 1 1/2 hrs late in leaving. The flight itself was fine.

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