What is the cheapest day to fly from Baltimore to Castries?

Travelers seeking maximum savings on their Baltimore to Castries flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Baltimore to Castries?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Castries. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Baltimore to Castries?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, January can be a great choice for travel to Castries. Flights to Castries from Baltimore in January are about $754 on average during January, but can be found for as low as $571.

What is the cheapest time of day to fly from BWI to SLU?

One of the essential ways to save on airfare from Baltimore to Castries is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

Can I find deals for flights from Baltimore to Castries that include hotel bookings?

Yes. In addition to deals on Baltimore to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Baltimore to Castries?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Castries.

Can I find deals for business class flights from Baltimore to Castries?

Yes. Cheapflights offers flight deals from Baltimore to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$298+ Flights from Baltimore to Castries

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Cheap flight deals from Baltimore to Castries

Round-trip from	$945 (Mytrip)
One-way from	$298 (Mytrip)
Popular in	June
Cheapest in	May
Average price	$774

From Baltimore/Washington to Castries George F. L. Charle

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One-way flight from Baltimore/Washington to Castries George F. L. Charle

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Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Baltimore to Castries

Cheapest flights from Baltimore to Castries
Explore the most affordable flight options available from Baltimore to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Sat 10/46:45 amBWI - SLU

3 stops15h 25mMultiple Airlines

Wed 10/810:15 amSLU - BWI

3 stops36h 55mMultiple Airlines

Deal found 7/29

$945

Best flights from Baltimore to Castries
Discover carefully curated flight deals from Baltimore to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Sat 10/46:45 amBWI - SLU

3 stops15h 25mMultiple Airlines

Wed 10/810:15 amSLU - BWI

3 stops36h 55mMultiple Airlines

Deal found 7/29

$945

Last-minute flights from Baltimore to Castries
Discover last-minute flight deals from Baltimore to Castries. Data last updated July 30, 2025 and is based on user searches.

Wed 8/67:10 amBWI - SLU

3 stops35h 50mMultiple Airlines

Wed 8/133:45 pmSLU - BWI

3 stops32h 14mMultiple Airlines

Deal found 7/30

$1,605

Sun 8/249:57 pmBWI - SLU

3 stops19h 03mMultiple Airlines

Sun 8/315:00 amSLU - BWI

2 stops18h 08mMultiple Airlines

Deal found 7/28

$1,078

One-way flights from Baltimore to Castries
Search for one-way flight options from Baltimore to Castries. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Thu 9/259:38 amBWI - SLU

2 stops25h 52mMultiple Airlines

Deal found 7/28

$298

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Sat 10/4

6:45 am-10:10 pm

3 stops15h 25m

Castries George F. L. Charle

Wed 10/8

10:15 am-11:10 pm

3 stops36h 55m

$945

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Thu 9/25

9:38 am-11:30 am

2 stops25h 52m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Baltimore to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Baltimore with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Castries

What is the cheapest month to book a flight from Baltimore to Castries?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Castries (average of $525). Flying from Baltimore to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Baltimore to Castries that include hotel bookings?
Yes. In addition to deals on Baltimore to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Baltimore to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Castries.
Can I find deals for business class flights from Baltimore to Castries?
Yes. Cheapflights offers flight deals from Baltimore to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Baltimore to Castries?
Currently, August is the cheapest month in which you can book a flight from Baltimore to Castries (average of $525). Flying from Baltimore to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Gros Islet

Rodney Bay

Marigot Bay

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Alternative routes for Baltimore to Castries

Dulles Intl to Castries flights

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Philadelphia to Castries flights

Other flights to Castries

Top airline flying from Baltimore to Castries

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$595	Average$839	FlexibilityNo cancel fee	On-time71%

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$298+ Cheap flights from Baltimore (BWI) to Castries (SLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Baltimore to Castries

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Find flight deals from Baltimore to Castries

Cheapest flights from Baltimore to CastriesExplore the most affordable flight options available from Baltimore to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Baltimore to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

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Use the filters below to find and compare flights from Baltimore to Castries that are best for you.

Best time to book a flight from Baltimore to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Baltimore with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Castries

What is the cheapest month to book a flight from Baltimore to Castries?

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Baltimore to Castries that include hotel bookings?

How can I find direct flights from Baltimore to Castries?

Can I find deals for business class flights from Baltimore to Castries?

What is the cheapest month to book a flight from Baltimore to Castries?

Traveling to a place near Castries?

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Alternative routes for Baltimore to Castries

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Top airline flying from Baltimore to Castries

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Cheapest flights from Baltimore to Castries
Explore the most affordable flight options available from Baltimore to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.