What are the cheapest airlines flying from St. Louis to Castries round-trip?

Our cheapest airline available from St. Louis to Castries is American Airlines. Our recent data shows that you can find tickets from as low as $570 on this airline. Additional options worth looking into are Delta and Air Canada, starting at $619 and $775 round-trip. These flights start at 23% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. Louis to Castries?

Travelers seeking maximum savings on their St. Louis to Castries flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday 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 St. Louis to Castries?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 32% when planning your travel around this day of the week.

What is the cheapest month to fly from St. Louis to Castries?

August can be a great time to fly to Castries from St. Louis with a flight ticket averaging about $794. Cheapflights users have found deals in the month of August for as cheap as $488. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on St. Louis-Castries flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Castries flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Castries flights, Cheapflights users trust FlightHub the most. FlightHub 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 St. Louis-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from St. Louis to Castries that include hotel bookings?

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

How can I find direct flights from St. Louis to Castries?

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

Can I find deals for business class flights from St. Louis to Castries?

Yes. Cheapflights offers flight deals from St. Louis 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.

$570+ Flights from St. Louis to Castries

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Cheap flight deals from St. Louis to Castries

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$570 (American Airlines)
Popular in	December
Cheapest in	February
Average price	$525

Provider with most accurate pricing for Lambert-St Louis-Castries Hewanorra flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Castries Hewanorra flights.

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From Lambert-St Louis to Castries Hewanorra

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($72 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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Find flight deals from St. Louis to Castries

Cheapest flights from St. Louis to Castries
Explore the most affordable flight options available from St. Louis to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Sat 4/266:00 pmSTL - UVF

2 stops19h 28mAmerican Airlines

Fri 5/22:45 pmUVF - STL

1 stop8h 35mAmerican Airlines

Deal found 2/20

$570

Sat 3/296:00 amSTL - UVF

1 stop7h 00mDelta

Sat 4/53:25 pmUVF - STL

1 stop9h 05mDelta

Deal found 2/19

$651

Sun 4/63:30 pmSTL - UVF

1 stop22h 15mAir Canada

Sun 4/133:45 pmUVF - STL

2 stops23h 57mAir Canada

Deal found 2/19

$775

Sun 3/165:15 pmSTL - UVF

3 stops44h 30mMultiple Airlines

Fri 3/213:45 pmUVF - STL

3 stops45h 00mMultiple Airlines

Deal found 2/19

$991

Sat 6/285:00 amSTL - UVF

1 stop9h 30mUnited Airlines

Sat 7/512:55 pmUVF - STL

1 stop10h 50mUnited Airlines

Deal found 2/20

$1,165

Best flights from St. Louis to Castries
Discover carefully curated flight deals from St. Louis to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Sat 4/266:00 pmSTL - UVF

2 stops19h 28mAmerican Airlines

Fri 5/22:45 pmUVF - STL

1 stop8h 35mAmerican Airlines

Deal found 2/20

$570

Sun 4/276:00 amSTL - UVF

1 stop6h 59mDelta

Thu 5/13:19 pmUVF - STL

1 stop9h 17mDelta

Deal found 2/20

$619

Sun 4/63:30 pmSTL - UVF

1 stop22h 15mAir Canada

Sun 4/133:45 pmUVF - STL

2 stops23h 57mAir Canada

Deal found 2/19

$775

Sat 6/285:00 amSTL - UVF

1 stop9h 30mUnited Airlines

Sat 7/512:55 pmUVF - STL

1 stop10h 50mUnited Airlines

Deal found 2/20

$1,165

Last-minute flights from St. Louis to Castries
Discover last-minute flight deals from St. Louis to Castries. Data last updated February 20, 2025 and is based on user searches.

Sat 3/296:00 amSTL - UVF

1 stop7h 00mDelta

Sat 4/53:25 pmUVF - STL

1 stop9h 05mDelta

Deal found 2/19

$651

Sat 3/295:37 pmSTL - UVF

2 stops20h 13mAmerican Airlines

Sat 4/53:00 pmUVF - STL

2 stops20h 33mAmerican Airlines

Deal found 2/19

$737

Find flights from St. Louis to Castries within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sat 4/26

6:00 pm-2:28 pm

2 stops19h 28m

Castries Hewanorra

Fri 5/2

3:28 pm-8:30 am

1 stop18h 02m

$570

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sat 3/29

6:00 am-2:00 pm

1 stop7h 00m

Castries Hewanorra

Sat 4/5

3:25 pm-11:30 pm

1 stop9h 05m

$651

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 4/6

3:30 pm-2:45 pm

1 stop22h 15m

Castries Hewanorra

Sun 4/13

3:45 pm-2:49 pm

1 stop24h 04m

$711

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 3/16

5:15 pm-2:45 pm

3 stops44h 30m

Castries Hewanorra

Fri 3/21

3:45 pm-11:45 am

3 stops45h 00m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from St. Louis to Castries

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Castries in February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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 St. Louis-Castries flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Castries flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Castries flights, Cheapflights users trust FlightHub the most. FlightHub 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 St. Louis-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 St. Louis to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from St. Louis 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.

Travel insights for flights from St. Louis to Castries

Get recent, data-driven insights about flights from St. Louis to Castries including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Castries?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Castries (average of $556). Flying from St. Louis to Castries in December is currently the most expensive (average of $730). 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.

What is the cheapest time of day to fly from STL to UVF?

One of the essential ways to save on airfare from St. Louis 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 14% on airfare.

Reviews of airlines servicing Castries

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,748 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from St. Louis to Castries round-trip?
Our cheapest airline available from St. Louis to Castries is American Airlines. Our recent data shows that you can find tickets from as low as $570 on this airline. Additional options worth looking into are Delta and Air Canada, starting at $619 and $775 round-trip. These flights start at 23% lower than the current average price 3 months from now.
Can I find deals for flights from St. Louis to Castries that include hotel bookings?
Yes. In addition to deals on St. Louis to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Castries.
Can I find deals for business class flights from St. Louis to Castries?
Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Castries?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Castries (average of $556). Flying from St. Louis to Castries in December is currently the most expensive (average of $730). 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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Alternative routes for St. Louis to Castries

Kansas City to Castries flights

Top 2 airlines flying from St. Louis to Castries

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$444	Average$646	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$525	Average$741	FlexibilityNo cancel fee	On-time71%

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$570+ Cheap flights from St. Louis (STL) to Castries (UVF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Castries with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Castries

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Castries

Cheapest flights from St. Louis to CastriesExplore the most affordable flight options available from St. Louis to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Explore the most affordable flight options available from St. Louis to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from St. Louis to Castries within your budget

Compare providers for flights from St. Louis 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 St. Louis to Castries in February.

Best time to book a flight from St. Louis to Castries

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

Travel insights for flights from St. Louis to Castries

Get recent, data-driven insights about flights from St. Louis to Castries including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Castries?

What is the cheapest time of day to fly from STL to UVF?

Find hourly flight availability from St. Louis to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Reviews of airlines servicing Castries

Related info for your journey

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

What are the cheapest airlines flying from St. Louis to Castries round-trip?

Can I find deals for flights from St. Louis to Castries that include hotel bookings?

How can I find direct flights from St. Louis to Castries?

Can I find deals for business class flights from St. Louis to Castries?

What is the cheapest month to book a flight from St. Louis to Castries?

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Alternative routes for St. Louis to Castries

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Top 2 airlines flying from St. Louis to Castries

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Cheapest flights from St. Louis to Castries
Explore the most affordable flight options available from St. Louis to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.