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$308+ Cheap flights from Missouri to Watertown, NY (ART)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ART
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Missouri to Watertown

Keep the following information in mind while searching for Missouri to Watertown flight deals. Data was last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$308
(American Airlines)
Provider with most accurate pricing for Lambert-St Louis-Watertown flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Watertown flights.
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From Missouri to Watertown
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Find flight deals from Missouri to Watertown

Cheapest flights from Missouri to Watertown
Explore the most affordable flight options available from Missouri to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:22 amSTL - ART
1 stop16h 42mAmerican Airlines
Wed 12/317:30 amART - STL
1 stop14h 36mAmerican Airlines
Deal found 11/24$731

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Watertown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Missouri to Watertown that are best for you.

Fly from

Missouri

Fly to

Watertown

Route

Depart

Return

Price

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Wed 1/21

9:33 am-6:14 pm

1 stop7h 41m

Watertown

Sat 1/24

7:00 am-11:36 am

1 stop5h 36m

$308

Kansas CityWatertown

MCI - ART

MCIART

Kansas City

Wed 1/28

6:23 am-6:14 pm

2 stops10h 51m

Watertown

Sat 1/31

7:00 am-4:47 pm

2 stops10h 47m

$339

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 12/27

5:22 am-11:04 pm

1 stop16h 42m

Watertown

Wed 12/31

7:30 am-9:06 pm

1 stop14h 36m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Best time to book a flight from Missouri to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Watertown

What is the cheapest month to book a flight from Missouri to Watertown, New York?

Currently, July is the cheapest month in which you can book a flight from Missouri to Watertown, New York (average of $155). Flying from Missouri to Watertown, New York in December is currently the most expensive (average of $281). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Watertown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Watertown from Missouri?

    If you book a flight to Watertown from Missouri, you will be flying to Watertown, which is the city’s only airport. Watertown (ART) is located 5.6 mi from the center of Watertown.

  • How long is the flight from Missouri to Watertown, New York?

    There are many flights that can get you from Missouri to Watertown, New York in 7h 41m. Fly via American Airlines to get the fastest option. The distance between Missouri and Watertown, New York is about 825 mi.

  • Can I find deals for flights from Missouri to Watertown that include hotel bookings?

    Yes. In addition to deals on Missouri to Watertown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Watertown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Watertown.

  • Can I find deals for business class flights from Missouri to Watertown?

    Yes. Cheapflights offers flight deals from Missouri to Watertown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Watertown, New York?

    Currently, July is the cheapest month in which you can book a flight from Missouri to Watertown, New York (average of $155). Flying from Missouri to Watertown, New York in December is currently the most expensive (average of $281). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Watertown?

Book flights to Watertown if you plan to visit one of these locations
Alexandria Bay

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Alternative routes for Missouri to Watertown

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Top airline flying from Missouri to Watertown

Discover the top airline that operate flights from Missouri to Watertown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$368FlexibilityNo cancel feeOn-time71%

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