$371 Cheap American Airlines flights from Watertown to St. Louis (ART to STL)

Find The Best Day To Fly from Watertown to St. Louis

Amazing American Airlines ART to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $339 round trip and $371 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Nov 6 - Sat, Nov 15
ART
Watertown
STL
St. Louis
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Watertown to St. Louis, returning Sat, Nov 15, priced at $339 found 3 days ago
Thu, Nov 6 - Sat, Nov 15
ART
Watertown
STL
St. Louis
$409 Roundtrip, found 3 days ago
$409
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Watertown to St. Louis, returning Sat, Nov 15, priced at $409 found 3 days ago
Thu, Nov 6 - Sat, Nov 15
ART
Watertown
STL
St. Louis
$429 Roundtrip, found 3 days ago
$429
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Watertown to St. Louis, returning Sat, Nov 15, priced at $429 found 3 days ago
Thu, Nov 6 - Sat, Nov 15
ART
Watertown
STL
St. Louis
$499 Roundtrip, found 3 days ago
$499
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Watertown to St. Louis, returning Sat, Nov 15, priced at $499 found 3 days ago
Thu, Nov 6 - Sat, Nov 15
ART
Watertown
STL
St. Louis
$503 Roundtrip, found 3 days ago
$503
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Watertown to St. Louis, returning Sat, Nov 15, priced at $503 found 3 days ago
Thu, Nov 6 - Sat, Nov 15
ART
Watertown
STL
St. Louis
$509 Roundtrip, found 3 days ago
$509
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Watertown to St. Louis, returning Sat, Nov 15, priced at $509 found 3 days ago

STL From ART Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Baymont by Wyndham Sullivan

Baymont by Wyndham Sullivan

2.5 out of 5
per person
Oct 1 - Oct 8
found 4 hours ago
Roundtrip flight included
New York (NYC) to St. Louis (STL)
The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
Save 100% on your flight
per person
Aug 11 - Aug 18
found 1 day ago
Roundtrip non-stop flight included
Philadelphia (PHL) to St. Louis (STL)
Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
Save 100% on your flight
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found 1 day ago
Roundtrip non-stop flight included
Philadelphia (PHL) to St. Louis (STL)
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Frequently asked questions

Can I catch a flight from Watertown Intl. Airport (ART) to Lambert-St. Louis Intl. Airport (STL) right now?
It's wise to find out about any quarantine requirements and travel advice reports in place in your destination. Be sure to visit the Covid-19 Travel Advisor for up-to-date information on flying to Lambert-St. Louis Intl. Airport (STL) from Watertown International Airport.
What terminal is American Airlines at ART?
Once you receive the boarding pass for your American Airlines flight from ART to St. Louis Lambert International Airport, you should be able to see which terminals you'll be jetting in and out of. Your carrier will be able to help if those details are missing from your ticket.
Are there American Airlines non-stop flights from ART to STL?
As you can't fly nonstop from ART to Lambert Field with American Airlines, make the most of your layover. Shout yourself some refreshments at a comfortable airport bar, or explore the terminal and enjoy a little retail therapy.
How long is an American Airlines flight from ART to STL?
Tailwinds, headwinds, bad weather ... They're just some factors that can impact on how long you spend in your seat. However, a flight from Watertown International Airport to Lambert-St. Louis Intl. Airport (STL) with American Airlines takes about 3 hours and 51 minutes, so you'll have touched down and be in getaway mode in a flash.
How many direct and indirect flights does American Airlines fly from ART to STL?
During each week, you'll find no fewer than 7 American Airlines flights that connect ART and STL.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lambert-St. Louis Intl. Airport (STL), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
American Airlines Airports
Hop on a(n) American Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DFWUSADallas-Fort Worth Intl.599
CLTUSACharlotte-Douglas Intl.536
ORDUSAO'Hare Intl.317
PHLUSAPhiladelphia Intl.247
MIAUSAMiami Intl.193
DCAUSARonald Reagan Washington National152
PHXUSASky Harbor Intl.141
LAXUSALos Angeles Intl.81
LGAUSALaGuardia72
BOSUSALogan Intl.57

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