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Everything you should know
Flight Deals
Cheap Flights from St. Louis to Castries (STL-UVF)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Castries that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from St. Louis to Castries
Sat, Apr 17 - Fri, Apr 23
6:54 pm - 2:23 pmSTL Lambert-St Louis-UVF Castries Hewanorra
18h 29m1 stop Charlotte Douglas
2:35 pm - 10:24 pmUVF Castries Hewanorra-STL Lambert-St Louis
8h 49m1 stop Miami
$671American Airlines
Sat, Apr 17 - Fri, Apr 23
5:21 pm - 2:23 pmSTL Lambert-St Louis-UVF Castries Hewanorra
20h 02m2 stops Chicago O'Hare Intl Charlotte Douglas
2:35 pm - 9:30 amUVF Castries Hewanorra-STL Lambert-St Louis
19h 55m2 stops Miami Washington, D.C. Reagan-National
$675American Airlines
Sat, Apr 17 - Fri, Apr 23
6:11 pm - 2:23 pmSTL Lambert-St Louis-UVF Castries Hewanorra
19h 12m2 stops Dallas/Fort Worth Charlotte Douglas
3:28 pm - 8:28 amUVF Castries Hewanorra-STL Lambert-St Louis
18h 00m1 stop Charlotte Douglas
$675American Airlines
Wed, Dec 16 - Wed, Dec 23
6:00 am - 3:04 pmSTL Lambert-St Louis-UVF Castries Hewanorra
7h 04m1 stop Atlanta Hartsfield-Jackson
4:56 pm - 11:55 pmUVF Castries Hewanorra-STL Lambert-St Louis
8h 59m1 stop Atlanta Hartsfield-Jackson
$731Delta
Wed, Mar 31 - Tue, Apr 6
5:00 am - 2:57 pmSTL Lambert-St Louis-UVF Castries Hewanorra
8h 57m1 stop Miami
2:35 pm - 10:24 pmUVF Castries Hewanorra-STL Lambert-St Louis
8h 49m1 stop Miami
$736American Airlines
Wed, Mar 31 - Wed, Apr 7
7:05 pm - 2:00 pmSTL Lambert-St Louis-UVF Castries Hewanorra
17h 55m1 stop Atlanta Hartsfield-Jackson
3:20 pm - 11:39 pmUVF Castries Hewanorra-STL Lambert-St Louis
9h 19m1 stop Atlanta Hartsfield-Jackson
$751Delta
Wed, Mar 31 - Tue, Apr 6
6:00 am - 2:00 pmSTL Lambert-St Louis-UVF Castries Hewanorra
7h 00m1 stop Atlanta Hartsfield-Jackson
3:20 pm - 11:39 pmUVF Castries Hewanorra-STL Lambert-St Louis
9h 19m1 stop Atlanta Hartsfield-Jackson
$751Delta
Sat, Dec 19 - Sat, Dec 26
5:08 pm - 2:15 pmSTL Lambert-St Louis-UVF Castries Hewanorra
43h 07m2 stops Chicago O'Hare Intl Newark
1:52 pm - 11:38 pmUVF Castries Hewanorra-STL Lambert-St Louis
11h 46m1 stop Chicago O'Hare Intl
$1,014United Airlines
Wed, Mar 31 - Wed, Apr 7
4:05 pm - 3:40 pmSTL Lambert-St Louis-UVF Castries Hewanorra
22h 35m1 stop Toronto Pearson Intl
4:45 pm - 3:38 pmUVF Castries Hewanorra-STL Lambert-St Louis
23h 53m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$1,691Air Canada
Fri, Dec 18 - Fri, Dec 25
6:58 pm - 4:25 pmSTL Lambert-St Louis-UVF Castries Hewanorra
19h 27m1 stop Chicago O'Hare Intl
3:21 pm - 10:59 pmUVF Castries Hewanorra-STL Lambert-St Louis
9h 38m1 stop Newark
$1,824United Airlines
Recent one-way flight deals from St. Louis to Castries
STL St. Louis Lambert Airport-UVF Castries Hewanorra
2489 mimulti-stop
Multiple Airlines
Booking Insights
Price, demand and travel trends for St. Louis to Castries flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from St. Louis to Castries?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Castries departing in april.What's the cheapest day of the week to fly from St. Louis to Castries?
Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Castries. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 57% higher.
What’s the cheapest month to fly from St. Louis to Castries?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from St. Louis to Castries, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•July is the cheapest month to fly from St. Louis to Castries at $573 round-trip.
•June ($1,122) and February ($1,069) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 95% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
Round-trip flights from St. Louis to Castries typically range from $745 to $1,041. The lowest price found in the past 5 days was $671, on American Airlines.
What’s the most popular layover airport when flying from St. Louis to Castries?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the St. Louis to Castries route. 49% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.
What is the cheapest layover airport when flying from St. Louis to Castries?
Flights via Toronto Pearson Intl (YYZ) offer the most affordable fares, with an average round-trip price of $573. Based on KAYAK data over the past 3 months.
Key details for St. Louis to Castries flights
Low season | January |
|---|---|
High season | June |
Cheapest flight | $671 |
When to book flights from St. Louis to Castries
Are your dates flexible? Find out the best times to travel from St. Louis to Castries based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your St. Louis to Castries flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking St. Louis to Castries flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from St. Louis to Castries
Complete your trip to Castries with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights from St. Louis to Castries
Cabin classes available on flights from St. Louis to Castries. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from St. Louis and Castries
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.