Cheap Flights from Seattle to St Lucia Hewanorra

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Travellers and cabin class, 1 Adult, Economy

Compare Seattle 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 to St Lucia Hewanorra

Looking for a cheap last-minute deal or the best return flight from Seattle to St Lucia Hewanorra Airport? If you want to travel next month, return fares start from $1,720. Find the lowest prices on one-way and return tickets right here.

Castries.$1,212 per passenger.Departing Thu, 3 Dec, returning Fri, 11 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Thu, 3 Dec, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Fri, 11 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,212, select.

Castries.$1,252 per passenger.Departing Tue, 12 Jan, returning Thu, 21 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Tue, 12 Jan, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Thu, 21 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,252, select.

Castries.$1,302 per passenger.Departing Sat, 6 Feb, returning Sun, 14 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Sat, 6 Feb, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Sun, 14 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,302, select.

Castries.$1,545 per passenger.Departing Mon, 9 Nov, returning Tue, 17 Nov.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 9 Nov, arriving in St Lucia Hewanorra.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Tue, 17 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,545, select.

Castries.$1,720 per passenger.Departing Tue, 22 Sep, returning Tue, 29 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 22 Sep, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Tue, 29 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,720, select.

Castries.$1,720 per passenger.Departing Thu, 24 Sep, returning Thu, 1 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Thu, 1 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,720, select.

Castries.$1,955 per passenger.Departing Mon, 29 Mar, returning Sat, 3 Apr.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 29 Mar, arriving in St Lucia Hewanorra.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Sat, 3 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,955, select.

Castries.$2,212 per passenger.Departing Tue, 6 Oct, returning Tue, 13 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 6 Oct, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Tue, 13 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,212, select.

Castries.$3,356 per passenger.Departing Sat, 26 Dec, returning Mon, 4 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Sat, 26 Dec, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Mon, 4 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $3,356, select.

Castries.$6,703 per passenger.Departing Thu, 20 May, returning Thu, 27 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Thu, 20 May, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Thu, 27 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $6,703, select.

Find the cheapest month to fly from Seattle 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 to St Lucia Hewanorra flights are currently cheapest in December.

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Seattle to St Lucia Hewanorra: Alternative routes

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

St Lucia Vigie

1km from central Castries

Closest

Search flights

St Lucia Hewanorra

30km from central Castries

Cheapest

from $1,212

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Seattle to Castries: Flight information

The things to know before you go.

Cheapest flight found	$1,212
Cheapest month to fly	December

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

How much are return flights from Seattle to St Lucia Hewanorra?

The best price we found for a return flight from Seattle to St Lucia Hewanorra is $1,212. 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.

Which airlines fly direct from Seattle to St Lucia Hewanorra?

Currently, there are no airlines that fly direct from Seattle to St Lucia Hewanorra. But we found flights with one stop from $1,212.

How many flights are there a week from Seattle to St Lucia Hewanorra?

As of August 2026, there are no flights flying from Seattle to St Lucia Hewanorra.

When is the cheapest time to fly from Seattle to St Lucia Hewanorra?

The cheapest month to fly from Seattle to St Lucia Hewanorra is usually December.

Which upcoming date is cheapest to fly from Seattle to St Lucia Hewanorra Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to St Lucia Hewanorra Airport on Thursday, 3 December 2026.

Can I get a direct flight from Seattle to St Lucia Hewanorra Airport?

No airlines currently offer direct flights between Seattle and St Lucia Hewanorra Airport. Most routes have one or more stops.

How can I find the best flight deal to St Lucia Hewanorra?

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.

When is the best time to book flights to Castries?

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.

Which is the cheapest airline to fly from Seattle to St Lucia Hewanorra with?

The cheapest airline that flies to St Lucia Hewanorra is Air Canada .

Travelling from Seattle to St Lucia Hewnorra International Airport (UVF): What you need to know

Castries is four hours ahead of Seattle. St Lucia Hewnorra International Airport is located in Castries, which runs on the UTC-4 timezone.
Leave enough time to catch your flight from Seattle to UVF. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
With more people on the move during busy months like July, get to the terminal earlier than usual. Two hours for domestic flights and as much as four for international journeys will allow extra time for delays. Remember things also get busy during major holidays like July Fourth.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

We make it a breeze to find cheap flights from Seattle to UVF that include a stopover. To explore all your options leaving from Seattle-Tacoma International Airport (SEA), uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Top stopovers between SEA and UVF include:
- Atlanta Hartsfield-Jackson International Airport (ATL)
- Charlotte Douglas International Airport (CLT)
- New York John F. Kennedy International Airport (JFK)
SEA is about 23 kilometres from central Seattle. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 35 minutes.
In search of a comfortable hotel close to Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to St Lucia Hewnorra International Airport, these accommodation options will put you moments from check-in:
Seattle-Tacoma International Airport has a strong on-time performance, so flight disruptions are less likely. Departures from SEA arrive at their destination as scheduled 80% of the time.

Seattle Paine Field International Airport (PAE)

PAE is around 40 kilometres from central Seattle. It'll take 40 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 30 minutes.
Want to treat yourself to an extra night away before your Seattle to UVF flight? Unwind in a hotel near Seattle Paine Field International Airport before your break officially starts. These stays are calling your name:
Most flights that depart Seattle Paine Field International Airport get to their destination within the expected time frame. It maintains a strong on-time performance rate of 80%.

About St Lucia Hewnorra International Airport (UVF)

The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Seattle to St Lucia Hewnorra International Airport. Book one of these accommodation options near UVF instead:
Lock in the best rate by booking your ride around one week ahead of your Seattle to St Lucia Hewnorra International Airport flight.

Getting from St Lucia Hewnorra International Airport (UVF) to central Castries

St Lucia Hewnorra International Airport is around 72 kilometres from the centre of Castries. It takes around 1 hour 30 minutes or so to get to the city by car.
If you're travelling by public transport, expect a journey time of roughly 2 hours.

How to find the cheapest flights from Seattle to St Lucia Hewnorra International Airport (UVF)

$718 is currently the lowest price for a one-way ticket from Seattle to St Lucia Hewnorra International Airport. Return flights start from $1,209. These prices can change depending on demand.
To pick up cheap flights from Seattle to UVF, book ahead. Airlines generally offer lower fares when tickets first go on sale.
The 'Whole month' search tool shows you the cheapest Seattle to St Lucia Hewnorra International Airport tickets across the month. It's a good way to find a bargain if your travel dates aren't set in stone.
You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on plane tickets from Seattle to UVF.
Hunt for savings on a flight from Seattle to St Lucia Hewnorra International Airport with the help of the filters. Pick your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Seattle to St Lucia Hewnorra International Airport (UVF)

September is the quietest month for flights from Seattle to St Lucia Hewnorra International Airport (UVF), while February is the most popular. Work out the best time to go to Castries based on whether you want a lively atmosphere or a more laid-back vibe.
The warmest month in Castries is September, with temperatures ranging between 26ºC and 30ºC. Book your Seattle to UVF plane ticket then if this is the type of weather you enjoy.
If you like travelling in cooler conditions, look for a cheap ticket from Seattle to St Lucia Hewnorra International Airport in February when temperatures are between 24ºC and 28ºC.

More about Castries

Once you've booked your flight from Seattle to St Lucia Hewnorra International Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Castries:
You'll find loads of terrific things to do in Castries when you're in the mood to sightsee. Kick off your exploring at Vigie Beach followed by Malabar Beach and Morne Fortune.