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Castries

$334+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SLU
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Baltimore to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$748
(Mytrip)

One-way from

$334
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$965
Provider with most accurate pricing for Baltimore/Washington-Castries George F. L. Charle flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Castries George F. L. Charle flights.
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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. 13% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 25, 2025.

This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:41 amBWI - SLU
2 stops33h 09mMultiple Airlines
Sun 6/155:00 amSLU - BWI
2 stops18h 27mMultiple Airlines
Deal found 4/24$748

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
Use the filters below to find and compare flights from Baltimore to Castries that are best for you.

Fly from

Baltimore

Fly to

Castries

Route

Depart

Return

Price

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Sun 6/8

6:41 am-3:50 pm

2 stops33h 09m

Castries George F. L. Charle

Sun 6/15

5:00 am-11:27 pm

2 stops18h 27m

$748

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Fri 5/9

5:30 pm-10:10 pm

2 stops28h 40m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Compare providers for flights from Baltimore to Castries

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Castries in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Castries flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Baltimore-Castries flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Baltimore-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Castries flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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?

    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.

See more FAQs

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Gros Islet
Marigot Bay
Rodney Bay

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Alternative routes for Baltimore to Castries

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Baltimore to Castries

Discover the top airline that operate flights from Baltimore to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$570Average$774FlexibilityNo cancel feeOn-time71%

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