Cheap flights from Baltimore Washington International to St Lucia Vigie

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Flight deals from Baltimore Washington International to St Lucia Vigie

Looking for a cheap last-minute deal or the best round-trip flight from Baltimore Washington International to St Lucia Vigie? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Baltimore Washington International to St Lucia Vigie

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to St Lucia Vigie flights are currently cheapest in August.

Baltimore Washington International to St Lucia Vigie: Alternative routes

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

Washington, D.C. to Castries: Flight information

The things to know before you go.
Cheapest flight found$860
Cheapest month to flyAugust

Finding cheap flights from Baltimore Washington International to St Lucia Vigie: Frequently asked questions

The best price we found for a round-trip flight from Baltimore Washington International to St Lucia Vigie is $860. 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 Baltimore Washington International to St Lucia Vigie. But we found flights with one or more stops from $860.
There are no flights flying from Baltimore Washington International to St Lucia Vigie, as of May 2025.
The cheapest month to fly from Baltimore Washington International to St Lucia Vigie is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to St Lucia Vigie Airport on Tuesday, August 26, 2025.
No airlines currently offer direct flights between Baltimore Washington International Airport and St Lucia Vigie 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 Vigie 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, Spirit Airlines offers the cheapest flight tickets to St Lucia Vigie.

Flying from Baltimore/Wash International Thurgood Marshall Airport (BWI) to George F. L. Charles Airport (SLU): what you need to know

  • Washington DC and Castries follow the same timezone, UTC-4.

  • Get to the airport on time so you don't miss your BWI to SLU flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • During popular months such as July, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're traveling during peak periods in general.

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to George F. L. Charles Airport (SLU)

  • At the moment, $392 is the lowest price we've seen for a one-way Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport flight. The best price for a return plane ticket is $860. Remember that fares may change due to demand when booking.

  • It's often best to book in advance if you want to get cheap tickets from BWI to SLU. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll give you the lowest price across every month when looking for your flight from Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll let you know the moment there's a better deal on cheap flights from BWI to SLU.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • 77.13% of flights leaving from Baltimore/Wash International Thurgood Marshall Airport land at their destination on schedule.

  • Central Washington DC to Baltimore/Wash International Thurgood Marshall Airport is around 48 kilometers. Depending on traffic, it'll take you about 50 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey when using public transport typically takes 1 hour 30 minutes.

  • Get your travels off to a stress-free start by staying near BWI. Whether you're boarding an early flight from Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at George F. L. Charles Airport (SLU)

  • If you have a late Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport flight, few things beat the convenience of being near the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these options near SLU:

  • Travel at your own speed with a George F. L. Charles Airport rental car. Book your wheels from Drive A Matic, Final Rentals or Sixt and chase adventure across Castries and beyond.

  • Lock in the lowest price by booking your ride from George F. L. Charles Airport around one week before your trip.

Getting from George F. L. Charles Airport (SLU) to central Castries

  • From George F. L. Charles Airport, Castries is approximately 3 kilometers away. It takes around 5 minutes to get to the center driving.

  • Traveling to the center on public transport will take you roughly 40 minutes.

When to fly to George F. L. Charles Airport (SLU)

  • The quietest month for a flight from Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport is February, while June is the most popular. Pick the best time to go to Castries based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from Baltimore/Wash International Thurgood Marshall Airport to George F. L. Charles Airport, think about the kind of weather you enjoy. September is the warmest month in Castries, with the temperature ranging from 26ºC (79ºF) to 30ºC (86ºF).

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

Explore more of Saint Lucia

  • You've seen Castries, now it's time to discover other parts of Saint Lucia. Travel around 32 kilometers south to Vieux Fort to tick off its leading sights. From Maria Islands Museum to Anse Des Sables Beach and YoungFaith Park, there's plenty to keep you on the go.

  • Head 24 kilometers south-east from Castries and you'll reach Micoud, another favorite stop in Saint Lucia. Don't leave without experiencing Josephine Splash Park and Ti Rocher Community Park.

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