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

In the last 3 days, the lowest price for a flight from St. Louis to Watertown was $240 for a round-trip ticket. Visit our flight page for the latest deals!>/a>

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

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane. Visit our flight page for the latest deals!>/a>

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

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

Which airline alliances offer flights from St. Louis to Watertown?

oneworld is the only airline alliance operating flights between St. Louis and Watertown.

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

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 St. Louis to Watertown. Visit our flight page for the latest deals!>/a>

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

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

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

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 Watertown with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and ART can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

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

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 Watertown from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$240 CHEAP FLIGHTS from St. Louis to Watertown (STL - ART)

STL - ART

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Flight Deals

Cheap Flights from St. Louis to Watertown (STL-ART)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Watertown 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Watertown

Tue, Oct 21 - Tue, Oct 28

6:00 am - 1:59 pmSTL-ART

6h 59m1 stop

2:26 pm - 8:20 pmART-STL

6h 54m1 stop

$240American Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

6:00 am - 1:59 pmSTL-ART

6h 59m2 stops

2:26 pm - 8:20 pmART-STL

6h 54m1 stop

$245American Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

6:10 am - 4:02 pmSTL-ART

8h 52m2 stops

4:27 pm - 9:06 pmART-STL

5h 39m1 stop

$314American Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

6:10 am - 4:02 pmSTL-ART

8h 52m2 stops

6:00 am - 12:51 pmART-STL

7h 51m2 stops

$319American Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

7:23 am - 4:02 pmSTL-ART

7h 39m2 stops

6:00 am - 1:31 pmART-STL

8h 31m2 stops

$324American Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

1:03 pm - 8:29 pmSTL-ART

6h 26m1 stop

4:27 pm - 9:06 pmART-STL

5h 39m1 stop

$553American Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

6:00 am - 8:29 pmSTL-ART

13h 29m1 stop

6:00 am - 12:23 pmART-STL

7h 23m1 stop

$616American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

7:05 am - 6:33 pmSTL-ART

10h 28m2 stops

6:00 am - 5:24 pmART-STL

12h 24m2 stops

$818American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

5:00 am - 6:33 pmSTL-ART

12h 33m2 stops

6:00 am - 1:14 pmART-STL

8h 14m2 stops

$858American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

5:22 am - 11:04 pmSTL-ART

16h 42m1 stop

6:00 am - 5:24 pmART-STL

12h 24m2 stops

$870American Airlines

Find Deal

Cheapest round-trip

$240

American Airlines

Tue 10/21Tue 10/28

STL - ART • 1 stop

Cheapest one-way

Multiple Airlines

Mon 9/8

STL - ART • multi-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Watertown!

Useful Info

Cheapest flight	$240

Flight from St. Louis to Watertown

When to book flights from St. Louis to Watertown

Are your dates flexible? Find out the best times to travel from St. Louis to Watertown 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.

What is the cheapest flight from St. Louis to Watertown?
In the last 3 days, the lowest price for a flight from St. Louis to Watertown was $240 for a round-trip ticket.
Do I need a passport to fly between St. Louis and Watertown?
Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.
Which aircraft models fly most regularly from St. Louis to Watertown?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from St. Louis to Watertown?
oneworld is the only airline alliance operating flights between St. Louis and Watertown.
How does KAYAK find such low prices on flights from St. Louis to Watertown?
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 St. Louis to Watertown.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Watertown?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Watertown from St. Louis 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 St. Louis to Watertown?
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 Watertown with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and ART 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 St. Louis to Watertown?
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 Watertown from St. Louis 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 St. Louis to Watertown

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

St. Louis (STL)

Watertown (ART)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

STL - ART

$240 Find Cheap Flights from St. Louis to Watertown

KAYAK searches hundreds of travel sites at once for deals on flights to Watertown

Cheap Flights from St. Louis to Watertown (STL-ART)

Recent round-trip flight deals from St. Louis to Watertown

Recent one-way flight deals from St. Louis to Watertown

Recent last minute flight deals from St. Louis to Watertown

Everything you should know

Good to know

When to book flights from St. Louis to Watertown

FAQs for booking flights from St. Louis to Watertown

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

In the last 3 days, the lowest price for a flight from St. Louis to Watertown was $240 for a round-trip ticket.

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

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

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

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

Which airline alliances offer flights from St. Louis to Watertown?

oneworld is the only airline alliance operating flights between St. Louis and Watertown.

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

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 St. Louis to Watertown.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Watertown from St. Louis 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 St. Louis to Watertown?

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 Watertown with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and ART 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 St. Louis to Watertown?

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 Watertown from St. Louis 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 St. Louis to Watertown

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Watertown

Complete your trip to Watertown with a hotel stay or car rental

Find direct flights to and from St. Louis and Watertown

Flights to other popular destinations

Flights from domestic origins to Watertown

Choose which airport to fly into in Watertown

Find deals for your return flight