Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Missouri to Watertown from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Watertown departing on 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Missouri to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:27 pm - 11:28 pm
STL
-
ART
10h 01m
2 stops
American Airlines Logo
6:00 am - 12:48 pm
ART
-
STL
7h 48m
1 stop
$436American Airlines
Sat, Apr 11 - Wed, Apr 15
American Airlines Logo
2:33 pm - 11:28 pm
STL
-
ART
7h 55m
2 stops
American Airlines Logo
6:00 am - 4:00 pm
ART
-
STL
11h 00m
2 stops
$441American Airlines
Sat, Apr 11 - Wed, Apr 15
American Airlines Logo
8:03 pm - 10:59 am
STL
-
ART
13h 56m
2 stops
American Airlines Logo
6:00 am - 12:35 pm
ART
-
STL
7h 35m
1 stop
$502American Airlines
Wed, Apr 29 - Sat, May 9
American Airlines Logo
8:03 pm - 10:59 am
STL
-
ART
13h 56m
2 stops
American Airlines Logo
6:00 am - 4:00 pm
ART
-
STL
11h 00m
2 stops
$507American Airlines
Wed, Apr 29 - Sat, May 9
American Airlines Logo
2:33 pm - 11:23 pm
STL
-
ART
7h 50m
2 stops
American Airlines Logo
11:25 am - 10:19 pm
ART
-
STL
11h 54m
2 stops
$554American Airlines
Tue, Apr 28 - Tue, May 12
American Airlines Logo
12:27 pm - 11:23 pm
STL
-
ART
9h 56m
2 stops
American Airlines Logo
11:25 am - 10:19 pm
ART
-
STL
11h 54m
2 stops
$587American Airlines
Thu, Apr 30 - Tue, May 12
American Airlines Logo
4:30 pm - 10:59 am
STL
-
ART
17h 29m
2 stops
American Airlines Logo
11:25 am - 10:19 pm
ART
-
STL
11h 54m
2 stops
$610American Airlines
Mon, Apr 27 - Tue, May 12
American Airlines Logo
8:54 am - 10:59 am
STL
-
ART
25h 05m
2 stops
American Airlines Logo
6:00 am - 12:35 pm
ART
-
STL
7h 35m
1 stop
$617American Airlines
Tue, Apr 28 - Sat, May 9
American Airlines Logo
12:27 pm - 11:28 pm
STL
-
ART
10h 01m
2 stops
American Airlines Logo
6:00 am - 12:35 pm
ART
-
STL
7h 35m
1 stop
$618American Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
5:21 pm - 10:59 am
STL
-
ART
16h 38m
2 stops
American Airlines Logo
11:25 am - 7:30 pm
ART
-
STL
9h 05m
2 stops
$622American Airlines
Tue, Apr 28 - Wed, May 6

American Airlines flights from Missouri to Watertown, New York

Our best American Airlines deals on Missouri to Watertown, New York flight tickets
American Airlines
Mar 29
STL7:05 amLambert-St Louis
7h 14m
2 stops
ART3:19 pmWatertown
Apr 5
ART4:01 pmWatertown
8h 01m
1 stop
STL11:02 pmLambert-St Louis
$409
American Airlines
Apr 11
STL12:27 pmLambert-St Louis
10h 01m
2 stops
ART11:28 pmWatertown
Apr 15
ART6:00 amWatertown
7h 48m
1 stop
STL12:48 pmLambert-St Louis
$436
American Airlines
Apr 11
STL2:33 pmLambert-St Louis
7h 55m
2 stops
ART11:28 pmWatertown
Apr 15
ART6:00 amWatertown
11h 00m
2 stops
STL4:00 pmLambert-St Louis
$441

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Watertown, New York 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, momondo users made 832,500 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Missouri to Watertown, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 4/11

12:27 pm-11:28 pm

2 stops10h 01m

Watertown

Wed 4/15

6:00 am-12:48 pm

1 stop7h 48m

$436

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 4/11

2:33 pm-11:28 pm

2 stops7h 55m

Watertown

Wed 4/15

6:00 am-4:00 pm

2 stops11h 00m

$441

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Wed 4/29

8:03 pm-10:59 am

2 stops13h 56m

Watertown

Sat 5/9

6:00 am-12:35 pm

1 stop7h 35m

$502

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Wed 4/29

8:03 pm-10:59 am

2 stops13h 56m

Watertown

Sat 5/9

6:00 am-4:00 pm

2 stops11h 00m

$507

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Tue 4/28

2:33 pm-11:23 pm

2 stops7h 50m

Watertown

Tue 5/12

11:25 am-10:19 pm

2 stops11h 54m

$554

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Thu 4/30

12:27 pm-11:23 pm

2 stops9h 56m

Watertown

Tue 5/12

11:25 am-10:19 pm

2 stops11h 54m

$587

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Mon 4/27

4:30 pm-10:59 am

2 stops17h 29m

Watertown

Tue 5/12

11:25 am-10:19 pm

2 stops11h 54m

$610

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Tue 4/28

8:54 am-10:59 am

2 stops25h 05m

Watertown

Sat 5/9

6:00 am-12:35 pm

1 stop7h 35m

$617
Quickest round-trip

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 5/2

12:27 pm-11:28 pm

2 stops10h 01m

Watertown

Sat 5/9

6:00 am-12:35 pm

1 stop7h 35m

$618

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Tue 4/28

5:21 pm-10:59 am

2 stops16h 38m

Watertown

Wed 5/6

11:25 am-7:30 pm

2 stops9h 05m

$622

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Watertown from

How to get the cheapest flight ticket from Missouri to Watertown, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Missouri to Watertown?

American Airlines is the most popular carrier operating from Missouri to Watertown

What airlines fly to Watertown, New York?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Watertown, New York from Missouri according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Watertown, New York. Keep in mind that there are 3 different airlines that fly to Watertown, New York on a routine basis, so you have a few additional options to choose from.

Cheap Missouri to Watertown, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Watertown, New York

Fastest flight time

9h 19m

Direct flights

None
The fastest flight from Missouri to Watertown, New York takes 9h 19m
There are no direct flights from Missouri to Watertown, New York. There are no popular flight routes from Missouri to Watertown, New York.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Watertown Airport?

    Prices for flights from Missouri to Watertown Airport refresh daily.

  • How many operators does momondo search for flights from Missouri to Watertown Airport?

  • How old do you have to be to fly from Missouri to Watertown Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Watertown Airport.

  • What documentation or ID do you need to fly to Watertown Airport?

    The travel and health documents you'll need for your trip to Watertown Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Watertown Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Watertown, New York

Compare and see reviews for airlines that fly from Missouri to Watertown, New York with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights

Traveling to a place near Watertown?

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

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Watertown?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Watertown from Missouri.

Can I find flights from Missouri to Watertown with flexible booking policies on momondo?

Yes. All flights to Watertown from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Watertown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Watertown.

I’m not ready to book a flight from Missouri to Watertown right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Missouri to Watertown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Watertown and let you know when they change.

An easier way to manage your Watertown, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/27
Mon 5/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States