Cheap Flights from Seattle to San Juan/Laventille from £527 Return

Flight deals from Seattle to San Juan/Laventille

Looking for a cheap last-minute deal or the best return flight from Seattle to San Juan/Laventille? If you want to travel next month, return fares start from £558. Find the lowest prices on one-way and return tickets right here.

Port Of Spain.£527 per passenger.Departing Tue, 8 Sep, returning Sat, 12 Sep.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 8 Sep, arriving in Port Of Spain.Inbound indirect flight with United, departs from Port Of Spain on Sat, 12 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £527, select.

Show more deals

Flying from Seattle to San Juan/Laventille

Arm yourself with these facts on the fly.

Cheapest flight found	£527
Cheapest month to fly	September
Cheapest airport to fly from	Seattle / Tacoma International

How to find cheap flights from Seattle to San Juan/Laventille

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle to San Juan/Laventille. Other savvy travellers recently found return flights from £527 and one-way tickets from £232 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Seattle / Tacoma International into Port Of Spain

At the moment, the lowest priced flight tickets to San Juan/Laventille are from Seattle / Tacoma International Airport to Port Of Spain Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Seattle to San Juan/Laventille is currently September.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle to anywhere you choose in San Juan/Laventille.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle to San Juan/Laventille go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the San Juan/Laventille to San Juan/Laventille flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Seattle to San Juan/Laventille flight price?

We looked at all of the upcoming return flights from Seattle to San Juan/Laventille we could find over the next 12 months. It looks like £527 is the best price. This is good, compared to the average San Juan/Laventille ticket price of £527.

What is the cheapest month to fly from Seattle to San Juan/Laventille?

The cheapest month to fly from Seattle to San Juan/Laventille is currently September.

Which upcoming date is cheapest to fly from Seattle to San Juan/Laventille on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to San Juan/Laventille on Tuesday, 8 September 2026.

Are there any direct flights from Seattle to San Juan/Laventille?

Currently, there aren't any direct flights from Seattle to San Juan/Laventille, but you can still fly with a stopover.

If I'm flying from Seattle, where in San Juan/Laventille is cheapest to fly into?

If you're flying from Seattle, the cheapest city in San Juan/Laventille to fly into is Port Of Spain. The cheapest airport serving Port Of Spain at the moment is Port Of Spain.