ART - STL

$581 Find Cheap Flights from Watertown to St. Louis

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 4/4. 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.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Watertown to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Watertown to St. Louis, as well as popular online travel agencies
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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

Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
4:37 pm - 10:18 pmART-STL
6h 41m2 stops
American Airlines Logo
9:15 am - 10:29 pmSTL-ART
12h 14m2 stops
$581American Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
4:37 pm - 10:18 pmART-STL
6h 41m2 stops
American Airlines Logo
11:14 am - 10:29 pmSTL-ART
10h 15m2 stops
$610American Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
4:37 pm - 10:18 pmART-STL
6h 41m2 stops
American Airlines Logo
6:38 am - 12:00 pmSTL-ART
4h 22m1 stop
$618American Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
4:37 pm - 10:18 pmART-STL
6h 41m2 stops
American Airlines Logo
6:38 am - 12:00 pmSTL-ART
4h 22m1 stop
$647American Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
6:22 am - 12:05 pmART-STL
6h 43m1 stop
American Airlines Logo
6:38 am - 12:00 pmSTL-ART
4h 22m1 stop
$757American Airlines
Find Deal

Everything you should know

Cheapest round-trip
$581
American Airlines
Sat 4/4Tue 4/7
ART - STL • 2 stops
Cheapest one-way
Multiple Airlines
Thu 10/16
ART - STL • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Booking Insights

Good to know

Cheapest flight$581
Flight from Watertown to St. Louis

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.

FAQs for booking flights from Watertown to St. Louis

  • What is the cheapest flight from Watertown to St. Louis?

    In the last 3 days, the lowest price for a flight from Watertown to St. Louis was $581 for a round-trip ticket.

  • Do I need a passport to fly between Watertown and St. Louis?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Watertown to St. Louis?

    Watertown and St. Louis are both served by 1 main airport. You will leave Watertown from Watertown and will be arriving at Lambert-St Louis.

  • Which aircraft models fly most regularly from Watertown to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Watertown to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Watertown to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Watertown to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Watertown is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Watertown to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Watertown with another airline. Booking your flights between Watertown and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Watertown to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Watertown up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Watertown to St. Louis

Information on your arrival and departure airports

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