Cheap Seattle to San Juan/Laventille Flights from C$324

Flight deals from Seattle to San Juan/Laventille

Looking for cheap flights from Seattle to San Juan/Laventille, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Port Of Spain.C$720 per passenger.Departing Wed, Mar 11, returning Tue, Mar 17.Round-trip flight with United.Outbound indirect flight with United, departing from Seattle / Tacoma International on Wed, Mar 11, arriving in Port Of Spain.Inbound indirect flight with United, departing from Port Of Spain on Tue, Mar 17, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$720, select.

Flying from Seattle to San Juan/Laventille

Arm yourself with these facts on the fly.

Cheapest flight found	C$324, Port Of Spain
Cheapest month to fly	August
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 travelers recently found round-trip flights from C$720 and one-way tickets from C$324. 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 August

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

Fly on a Saturday

From our data, we can see that Saturday seems to be the cheapest time to fly from Seattle to San Juan/Laventille.

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 flight prices go up and down

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 plane tickets

With us, there are no added fees – the Seattle 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 round-trip flights from Seattle to San Juan/Laventille we could find over the next 12 months. It looks like C$720 is the best price. This is good, compared to the average San Juan/Laventille ticket price of C$1,174.

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 March.

On which upcoming date is it cheapest to fly from Seattle to San Juan/Laventille?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to San Juan/Laventille on Wednesday, March 11, 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 to?

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.