Cheap Flights from Seattle / Tacoma International to St Lucia Hewanorra

Compare Seattle / Tacoma International to St Lucia Hewanorra flight deals

Find the cheapest month or even day of the year to fly to St Lucia Hewanorra

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Flight deals from Seattle / Tacoma International to St Lucia Hewanorra

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to St Lucia Hewanorra? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to St Lucia Hewanorra

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to St Lucia Hewanorra flights are currently cheapest in October.

Seattle / Tacoma International to St Lucia Hewanorra: Alternative routes

Compare routes from Seattle / Tacoma International to Castries below. You may find an airport to fly into that's cheaper, faster, or easier than St Lucia Hewanorra.

Seattle to Castries: Flight information

The things to know before you go.
Cheapest flight foundR 3,768
Cheapest month to flyOctober

Finding cheap flights from Seattle / Tacoma International to St Lucia Hewanorra: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to St Lucia Hewanorra is R 10,074. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle / Tacoma International to St Lucia Hewanorra. But we found flights with one or more stops from R 10,074.
As of July 2025, there are no flights flying from Seattle / Tacoma International to St Lucia Hewanorra.
The cheapest month to fly from Seattle / Tacoma International to St Lucia Hewanorra is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to St Lucia Hewanorra Airport on Monday, 1 September 2025.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and St Lucia Hewanorra Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Lucia Hewanorra but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to St Lucia Hewanorra.

Travelling from Seattle-Tacoma International Airport (SEA) to Hewanorra Airport (UVF): what you need to know

  • Castries is three hours ahead of Seattle and is in the UTC-4 timezone.

  • Your SEA to UVF flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Flying during a peak month such as July? School holidays and other popular seasons can mean longer queues and delays at airport checkpoints. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • If you want to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Seattle-Tacoma International Airport to Hewanorra Airport. These are the top stopovers between SEA and UVF:

    • John F. Kennedy International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Hewanorra Airport (UVF)

  • R 3,768 is currently the lowest price for a one-way Seattle-Tacoma International Airport to Hewanorra Airport flight. Return flights start at R 10,074. These prices can change based on availability and demand.

  • It's a good idea to book in advance if you want to find cheap tickets from SEA to UVF. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • The 'Whole month' search tool shows you the cheapest flights from Seattle-Tacoma International Airport to Hewanorra Airport throughout the month. It's an easy way to find a bargain if your travel plans aren't set in stone.

  • Landing cheap flights from SEA to UVF is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll let you know when fares go down.

  • Tailor your flights with filters. Select your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle-Tacoma International Airport to Hewanorra Airport.

Handy information about Seattle-Tacoma International Airport (SEA)

  • 81.27% of flights leaving Seattle-Tacoma International Airport reach their destination on time. With its dependable on-time performance, you're unlikely to face delays when jetting out of SEA.

  • Seattle-Tacoma International Airport is about 23 kilometres from central Seattle. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • The journey when using public transport usually takes 55 minutes.

  • Get your trip off to a hassle-free start by staying near SEA. Whether you've booked an early flight from Seattle-Tacoma International Airport to Hewanorra Airport or just don't like being rushed, these stays have you covered:

Arriving at Hewanorra Airport (UVF)

Getting from Hewanorra Airport (UVF) to central Castries

  • Hewanorra Airport to the centre of Castries has a drive time of about 1 hour 10 minutes. It's approximately 56 kilometres away.

When to fly to Hewanorra Airport (UVF)

  • The quietest month for a flight from Seattle-Tacoma International Airport to Hewanorra Airport is May, while March is the busiest. Choose the ideal time to go to Castries based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Seattle-Tacoma International Airport to Hewanorra Airport for September if you want to visit Castries during its warmest month. Expect temperatures of between 26ºC (79ºF) and 30ºC (86ºF).

  • Search for cheap tickets from SEA to UVF in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between 24ºC (75ºF) and 28ºC (82ºF) on average.

Explore more of Saint Lucia

  • Vieux Fort is just one of the many places in Saint Lucia waiting to be explored once you've seen the sights of Castries. Around 32 kilometres away to the south, well-known attractions include Maria Islands Museum, Anse Des Sables Beach and YoungFaith Park.

  • Any journey through Saint Lucia wouldn't be as memorable without a stop in Micoud. Josephine Splash Park and Ti Rocher Community Park are among the highlights in this destination, which is about 24 kilometres south-east of Castries.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.