ART - STL
$358 Find Cheap Flights from Watertown to St. Louis - Compare and Save
This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Watertown to St. Louis departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Everything you should know
Cheapest round-trip
$358
Typical prices: $645-$645
American Airlines
Tue 10/16Sat 10/20
ART - STL • 1 stop
Flight Deals
Cheap Flights from Watertown to St. Louis (ART-STL)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Watertown to St. Louis 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 Watertown to St. Louis
Fri, Oct 16 - Tue, Oct 20
6:00 am - 10:41 amART Watertown-STL Lambert-St Louis
5h 41m1 stop Philadelphia
10:59 am - 5:00 pmSTL Lambert-St Louis-ART Watertown
5h 01m1 stop Philadelphia
$358American Airlines
Wed, Feb 24 - Tue, Mar 2
6:06 pm - 10:58 pmART Watertown-STL Lambert-St Louis
5h 52m1 stop Philadelphia
6:00 am - 5:41 pmSTL Lambert-St Louis-ART Watertown
10h 41m1 stop Philadelphia
$523American Airlines
Wed, Feb 24 - Tue, Mar 2
6:00 am - 12:27 pmART Watertown-STL Lambert-St Louis
7h 27m1 stop Philadelphia
5:00 am - 5:41 pmSTL Lambert-St Louis-ART Watertown
11h 41m2 stops Chicago O'Hare Intl Philadelphia
$529American Airlines
Fri, Oct 16 - Tue, Oct 20
5:25 pm - 10:14 pmART Watertown-STL Lambert-St Louis
5h 49m1 stop Philadelphia
6:27 am - 5:00 pmSTL Lambert-St Louis-ART Watertown
9h 33m2 stops Charlotte Douglas Philadelphia
$631American Airlines
Wed, Feb 24 - Tue, Mar 2
6:00 am - 9:08 pmART Watertown-STL Lambert-St Louis
16h 08m2 stops Philadelphia Chicago O'Hare Intl
9:13 am - 10:56 pmSTL Lambert-St Louis-ART Watertown
12h 43m2 stops Charlotte Douglas Philadelphia
$681American Airlines
Fri, Oct 16 - Tue, Oct 20
6:00 am - 3:51 pmART Watertown-STL Lambert-St Louis
10h 51m2 stops Philadelphia Charlotte Douglas
5:00 am - 5:00 pmSTL Lambert-St Louis-ART Watertown
11h 00m2 stops Chicago O'Hare Intl Philadelphia
$849American Airlines
Recent one-way flight deals from Watertown to St. Louis
ART Watertown-STL St. Louis Lambert Airport
825 mimulti-stop
Multiple Airlines
Recent last minute flight deals from Watertown to St. Louis
Sun, Oct 4 - Tue, Oct 6
6:00 am - 10:29 amART Watertown-STL Lambert-St Louis
5h 29m1 stop Philadelphia
10:59 am - 5:00 pmSTL Lambert-St Louis-ART Watertown
5h 01m1 stop Philadelphia
$448American Airlines
Sun, Oct 4 - Tue, Oct 6
6:00 am - 10:29 amART Watertown-STL Lambert-St Louis
5h 29m1 stop Philadelphia
1:06 pm - 10:27 pmSTL Lambert-St Louis-ART Watertown
8h 21m2 stops Chicago O'Hare Intl Philadelphia
$682American Airlines
Sun, Oct 4 - Tue, Oct 6
4:18 pm - 11:41 pmART Watertown-STL Lambert-St Louis
8h 23m2 stops Philadelphia Charlotte Douglas
1:06 pm - 10:27 pmSTL Lambert-St Louis-ART Watertown
8h 21m2 stops Chicago O'Hare Intl Philadelphia
$879American Airlines
Booking Insights
Price, demand and travel trends for Watertown to St. Louis 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 Watertown to St. Louis?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Watertown to St. Louis departing in october.
Round-trip flights from Watertown to St. Louis typically range from $645 to $645. The lowest price found in the past 5 days was $358, on American Airlines.
What is the cheapest layover airport when flying from Watertown to St. Louis?
Flights via Philadelphia (PHL) offer the most affordable fares, with an average round-trip price of $420. Based on KAYAK data over the past 3 months.
When flying from Watertown to St. Louis which airport offers the shortest layover?
Philadelphia (PHL) had the shortest average connection time for Watertown to St. Louis layovers at 4h 46m over the past 3 months.
Key details for Watertown to St. Louis flights
Cheapest flight | $358 |
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When to book flights from Watertown to St. Louis
Are your dates flexible? Find out the best times to travel from Watertown to St. Louis 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 Watertown to St. Louis flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking Watertown to St. Louis flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from Watertown to St. Louis
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Information on your arrival and departure airports
Cabin class types available on flights from Watertown to St. Louis
Cabin classes available on flights from Watertown to St. Louis. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Watertown and St. Louis
Flights from domestic origins to St. Louis
More flights to St. Louis. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
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.