$137 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 2/7. 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

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Everything you should know

Cheapest round-trip
$384
Overall average: $515
United Airlines
Tue 5/12Sat 5/23
SJU - SEA • 2 stops
Cheapest one-way
$137
Typical prices: $262-$494
Frontier
Sat 2/7
SJU - SEA • 2 stops
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Flight Deals
Useful Info
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

Tue, May 12 - Sat, May 23
United Airlines Logo
7:20 am - 7:00 pm
SJU
-
SEA
14h 40m
2 stops
United Airlines Logo
10:45 pm - 12:04 pm
SEA
-
SJU
10h 19m
1 stop
$384United Airlines
Tue, Mar 17 - Tue, Mar 31
American Airlines Logo
1:14 pm - 12:24 am
MBJ
-
SEA
13h 10m
1 stop
American Airlines Logo
11:59 pm - 2:04 pm
SEA
-
MBJ
12h 05m
1 stop
$384American Airlines
Tue, Mar 17 - Tue, Mar 31
American Airlines Logo
11:21 am - 11:04 pm
MBJ
-
SEA
13h 43m
2 stops
American Airlines Logo
6:22 pm - 9:07 am
SEA
-
MBJ
12h 45m
2 stops
$389American Airlines
Wed, Apr 15 - Wed, Apr 22
Southwest Logo
5:35 am - 4:55 pm
SJU
-
SEA
14h 20m
2 stops
Southwest Logo
6:00 am - 9:05 pm
SEA
-
SJU
12h 05m
2 stops
$404Southwest
Thu, Apr 30 - Tue, May 12
Southwest Logo
2:00 pm - 12:05 am
SJU
-
SEA
13h 05m
2 stops
Southwest Logo
7:10 pm - 10:35 am
SEA
-
SJU
12h 25m
2 stops
$416Southwest
Thu, Feb 5 - Mon, Feb 9
Delta Logo
1:41 pm - 9:49 pm
NAS
-
SEA
11h 08m
1 stop
Delta Logo
5:40 pm - 12:26 pm
SEA
-
NAS
15h 46m
2 stops
$501Delta
Thu, Feb 5 - Mon, Feb 9
Delta Logo
2:56 pm - 11:15 pm
NAS
-
SEA
11h 19m
1 stop
Delta Logo
11:10 pm - 12:26 pm
SEA
-
NAS
10h 16m
1 stop
$502Delta
Sat, Jun 27 - Wed, Jul 8
Air Canada Logo
6:30 pm - 2:22 pm
NAS
-
SEA
22h 52m
2 stops
Air Canada Logo
3:00 pm - 1:35 pm
SEA
-
NAS
19h 35m
2 stops
$542Air Canada
Wed, Jun 3 - Tue, Jun 9
United Airlines Logo
1:25 pm - 12:24 pm
PUJ
-
SEA
25h 59m
2 stops
United Airlines Logo
5:07 am - 5:35 pm
SEA
-
PUJ
9h 28m
1 stop
$542United Airlines
Sat, Mar 28 - Sun, Apr 5
Air Canada Logo
9:10 pm - 3:03 pm
NAS
-
SEA
20h 53m
2 stops
Air Canada Logo
8:00 am - 12:55 pm
SEA
-
NAS
25h 55m
1 stop
$549Air Canada
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$137
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 3% 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 8088 reviews
7.8Entertainment
8.1Boarding
8.5Crew
7.2Food
7.9Comfort
Airline reviews

There was no wifi available on this flight. And there were no screens, no onboard entertainment, no entertainment options at all. It was like travelling in the 1990s again, except without even a main screen for options. Seats, as usual, were tight and uncomfortable.

4.0 OkayJohn, Jan 2026
DAL - ATL
Read more Delta reviews

There was no wifi available on this flight. And there were no screens, no onboard entertainment, no entertainment options at all. It was like travelling in the 1990s again, except without even a main screen for options. Seats, as usual, were tight and uncomfortable.

Good seat comfort ORF to ATL. Bad seat ATL to SEA (terrible lumbar support, hard, ouch)..

Because I was moved to an exit row, the snacks in economy comfort, the selection of snacks was better.

I upgraded to first. Quick and easy boarding. Comfortable seat with power and a nice IPA.

Probably not the fault of Delta but there was delay after delay after delay and I ended up getting home 4 hours later then I should have at 1:30 in the morning

My requested wheelchair never appeared. So many entertainment choices yet, I found little of interest and no internet option to search on my own. Both were minor issues.

No in flight service, no explanation - FC got service, C+ did not, unsure about Economy. No turbulence to speak of, so I guess another way to cut cost, or promote health and well being of Delta employees? Also, boarding in MEM combined zones, and with overhead space already full on both flights after Zone 2/ Diamond, presents a huge challenge to find a space for a bag. Delta, other than point A to B, is no longer reasonable to fly - very poor experiences, not even taking into account the chastising at the gate and rude crews, across the board.

It would have been better if the flight wasn't delayed by 2.5 hours

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

Delta flight Delay for ,more that two hours i.e original flight was 6.30 PM and it starts at 8.45 PM, When we connect Delta team for meal vouchers as it is late arrival in designation,But we did not get it as per delta policy , which is not good for mid night arrival,

Mean flight attendant. I wanted to reuse my plastic cup, but he (Matthew) said he can't for safety. I then said "I don't want water then" and he poured me a glass. I hope Matthew gets herpes and spends the rest of his life poor, lonely, and homeless.

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.

It was great. There were some issues prior to takeoff. The weather was poor so we had to go through deicing, and we were delayed a bit by the pilots' concern about one of the engines, but that's aviation. The pilots handled everything with aplomb, and kept us apprised

Reliable, nice crew, I fly often on that flight and I like it all.

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,

The seats were comfortable and we had leg room. Great entertainment.

The flight crew where really good. Better then the crew from BNE to SFO

Delayed, toilets did not flush, pilot parked to far away from Gate

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Safe made to destination. Late to start at GVA for icy reasons but we fought our next fly.

Could we please end the loud announcements about credit card offers on your flights? We are trying to sleep, work, watch videos, etc. and if we need a credit card, we will ask for one. Flying is already not what it used to be.

I would like the crew to talk LESS over the PA and specifically about credit card offers. I am trying to work, sleep, watch a movie and the PA was booming about a credit card offer. Could we go back to the days when the customer was more important than selling a credit card?

No enough space plus only allowing one laggage instead of two like other airlines.

It was good. But the gate team made me check my carry on when there was plenty of space for my luggage on the plane. Otherwise our trip was fine.

The entertainment options were at best, fair. It was exactly the same as my outbound flight. It would have been more entertaining if there were some series from Apple TV, HBO, Showtime or other carriers for me to catch up with.

The comfort of Business Class made this trip far more comfortable. I was indeed surprised when I asked one of the flight attendant to help me set up my "bed", she responded that "We don't make beds in Business Class any longer...only First Class" I believe her name was Giselle, but I'm not certain. She did instruct me how to adjust the seat, place the hooded cover and I clearly understood how to place the blanket and the cover. Additionally, the meal I was served (a beef dish) was almost inedible. The beef was tough and odd tasting. I didn't mention it as I was hoping to quickly settle down and try to get some sleep.

Concern Regarding Significant Gate Delay and Jet Bridge Issue Dear Customer Relations Team, I am writing to express my disappointment with the experience I had on my recent flight AA 2414 on Sunday January 18, 2026. What should have been a routine departure turned into a frustrating and avoidable delay due to an issue with the jet bridge at the gate. As a result, the flight was delayed by approximately 90 minutes while multiple gate changes were attempted. The lack of clear communication during this period made the situation even more challenging. Passengers were left uncertain about the cause of the delay, the expected timeline, and the next steps. This not only disrupted travel plans but also created unnecessary stress for everyone on board. I understand that operational issues can arise, but a malfunctioning jet bridge and the resulting extended delay suggest an area where procedures or equipment maintenance may need attention. I hope you will review this incident to prevent similar disruptions in the future. I would appreciate acknowledgment of this concern and consideration of appropriate compensation for the inconvenience and lost time caused by this delay. Thank you for taking the time to review my experience. I look forward to hearing from you. Sincerely, Dion Dillard

They made me pay $40 to check a bag that was listed as free when I bought my ticket. Then before boarding they offered to check any bags free.

When I got to the waiting area, it was full but when the time came to board, rgete was no plane. The women where you would show your ticket, gave the news saying there was a maintenance problem and that it be an extra half hour wait. We never did see the plane but ultimately, Noone ever saw the plane because there was a fire on one engine. Needless to say, the wait time before it was announced what really happened, was a few hours. Many, many missed their plane transfer because they entered their first train. Also, the electronic info panels up on the different wall for all to see the status of each flight, never stated anything having to do with the long, long hold up. Many people had major problems because they had to swith planes during their trip and that never happened...

It was a good trip. Flight Attendants were friendly and responsive.

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