STL - ART

$244 Find Cheap Flights from St. Louis to Watertown

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Watertown departing on 8/12. 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 Watertown

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

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

Tue, Aug 12 - Wed, Aug 20
American Airlines Logo
6:26 am - 3:44 pmSTL-ART
8h 18m2 stops
American Airlines Logo
3:14 pm - 8:47 pmART-STL
6h 33m1 stop
$244American Airlines
Find Deal
Tue, Aug 12 - Wed, Aug 20
American Airlines Logo
6:26 am - 3:44 pmSTL-ART
8h 18m2 stops
American Airlines Logo
6:00 am - 4:56 pmART-STL
11h 56m2 stops
$249American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
7:23 am - 8:29 pmSTL-ART
12h 06m2 stops
American Airlines Logo
6:00 am - 12:23 pmART-STL
7h 23m1 stop
$314American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
6:27 am - 4:02 pmSTL-ART
8h 35m2 stops
American Airlines Logo
6:00 am - 1:31 pmART-STL
8h 31m2 stops
$319American Airlines
Find Deal
Tue, Aug 12 - Wed, Aug 20
American Airlines Logo
4:54 pm - 10:43 pmSTL-ART
4h 49m1 stop
American Airlines Logo
6:00 am - 12:35 pmART-STL
7h 35m1 stop
$329American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
7:23 am - 4:02 pmSTL-ART
7h 39m2 stops
American Airlines Logo
6:00 am - 12:23 pmART-STL
7h 23m1 stop
$404American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
1:03 pm - 8:29 pmSTL-ART
6h 26m1 stop
American Airlines Logo
6:00 am - 12:23 pmART-STL
7h 23m1 stop
$440American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
1:03 pm - 8:29 pmSTL-ART
6h 26m1 stop
American Airlines Logo
6:00 am - 12:23 pmART-STL
7h 23m1 stop
$531American Airlines
Find Deal
Sat, Dec 27 - Wed, Dec 31
American Airlines Logo
2:46 pm - 10:35 pmSTL-ART
6h 49m1 stop
American Airlines Logo
6:19 am - 2:34 pmART-STL
9h 15m2 stops
$536American Airlines
Find Deal
Sat, Dec 27 - Wed, Dec 31
American Airlines Logo
11:14 am - 10:35 pmSTL-ART
10h 21m2 stops
American Airlines Logo
6:19 am - 2:34 pmART-STL
9h 15m2 stops
$541American Airlines
Find Deal
Useful Info

Good to know

Cheapest flight$244
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.

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 $244 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.

Reviews of the top airline flying from St. Louis to Watertown

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Watertown. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Watertown? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
6.5Food
6.9Entertainment
7.5Boarding
8.0Crew
7.2Comfort
Airline reviews

Overall fine, but the delay was annoying and the reasons for the delay were not communicated. The crew on board were phenomenal!

6.0 GoodSonia, Jul 2025CLT - LGA
Read more American Airlines reviews

Overall fine, but the delay was annoying and the reasons for the delay were not communicated. The crew on board were phenomenal!

Whenever a passenger purchase a ticket his advantage number should automatically to his information. It's not everyone remember the number. You request for your number and American airline agent say they will email it....and they never email anything and you loose your mileage just because you don't remember your number. It should automatically go your information and associate with your email account at all times

Boarding took forever, the plane was cramped and cold, and the seatbelt song came on constantly throughout the red eye flight with a loud pre-recorded message playing each time

Cabin felt crammed Snacks are lame But crew was super efficient getting us out on time despite delay

Two flight changes before the scheduled flight. On the day of the flight, the flight was delayed, which caused the connecting flight to be missed. Then, I was directed to another airport (CUN) and traveled to Tulum. American gave a $12 voucher for lunch. The least expensive item on the menu at a Mexican restaurant was $9.99. Driving to Tulum was a bad auto crash, and traffic was delayed two-plus hours. The bottom line is that we should have been at the hotel at noon, but it ended up at 11:30 PM.

Flight was empty so had a whole row to myself. Still had to wait to get the bag due to the negligence at Palm Springs departure.

I flew out of Reagan National. My flight was delayed, delayed, delayed, and then canceled ...THREE TIMES over TWO DAYS. Staff were seemingly not empowered to provide information on why the flights were screwed up. A real nightmare.

Amazingly comfy flight - I had upgraded for a reasonable price and it was worth it. The food also was good.

Miami lounges were overcrowded and we were unable to get in. We only had a short time. But the banks are too tight in all American hubs

Only thing that I liked it that I got to my destination safely, otherwise American Airlines stinks.

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

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