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

Prices for flights from Illinois to Watertown Airport refresh daily.

How old do you have to be to fly from Illinois 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 Illinois to Watertown Airport.

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

The required travel and health documents for your Watertown Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Watertown Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$354 Cheap Flights from Illinois to Watertown in 2025/26

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Find the cheapest flights from Illinois to Watertown

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 2:08 pmSTL-ART

7h 08m1 stop

2:33 pm - 11:07 pmART-STL

9h 34m2 stops

$369American Airlines

Find Deal

Sat, Nov 22 - Mon, Nov 24

6:47 am - 2:08 pmORD-ART

6h 21m1 stop

6:00 am - 3:49 pmART-ORD

10h 49m2 stops

$383American Airlines

Find Deal

Sun, Nov 23 - Thu, Nov 27

1:11 pm - 11:09 pmORD-ART

8h 58m2 stops

6:00 am - 12:56 pmART-ORD

7h 56m2 stops

$388American Airlines

Find Deal

Sun, Nov 23 - Thu, Nov 27

8:30 am - 2:08 pmORD-ART

4h 38m1 stop

6:00 am - 10:27 amART-ORD

5h 27m1 stop

$485American Airlines

Find Deal

Sun, Nov 23 - Thu, Nov 27

6:00 am - 2:08 pmSTL-ART

7h 08m1 stop

6:00 am - 11:04 pmART-STL

18h 04m1 stop

$572American Airlines

Find Deal

Sat, Nov 22 - Mon, Nov 24

7:00 am - 11:09 pmSTL-ART

15h 09m2 stops

2:33 pm - 11:07 pmART-STL

9h 34m2 stops

$581American Airlines

Find Deal

Sat, Nov 22 - Mon, Nov 24

6:02 am - 6:30 pmSTL-ART

11h 28m2 stops

7:30 am - 7:30 pmART-STL

13h 00m2 stops

$663American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

4:40 pm - 11:09 pmORD-ART

5h 29m1 stop

6:00 am - 12:28 pmART-ORD

7h 28m1 stop

$680American Airlines

Find Deal

Wed, Nov 26 - Sat, Nov 29

6:02 am - 6:30 pmSTL-ART

11h 28m2 stops

7:30 am - 7:30 pmART-STL

13h 00m2 stops

$685American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

6:02 am - 6:30 pmSTL-ART

11h 28m2 stops

7:30 am - 12:32 pmART-STL

30h 02m1 stop

$711American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

American Airlines flights from Illinois to Watertown, New York

Our best American Airlines deals on Illinois to Watertown, New York flight tickets

American Airlines

Nov 22

STL6:00 amLambert-St Louis

7h 08m

1 stop

ART2:08 pmWatertown

Nov 24

ART2:33 pmWatertown

9h 34m

2 stops

STL11:07 pmLambert-St Louis

$369

Find similar

American Airlines

Nov 23

ORD6:47 amChicago O'Hare Intl

6h 21m

1 stop

ART2:08 pmWatertown

Nov 27

ART6:00 amWatertown

10h 49m

2 stops

ORD3:49 pmChicago O'Hare Intl

$383

Find similar

American Airlines

Nov 23

ORD1:11 pmChicago O'Hare Intl

8h 58m

2 stops

ART11:09 pmWatertown

Nov 27

ART6:00 amWatertown

7h 56m

2 stops

ORD12:56 pmChicago O'Hare Intl

$388

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Watertown, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 11/22

6:00 am-2:08 pm

1 stop7h 08m

Watertown

Mon 11/24

2:33 pm-11:07 pm

2 stops9h 34m

$369

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sun 11/23

6:47 am-2:08 pm

1 stop6h 21m

Watertown

Thu 11/27

6:00 am-3:49 pm

2 stops10h 49m

$383

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sun 11/23

1:11 pm-11:09 pm

2 stops8h 58m

Watertown

Thu 11/27

6:00 am-12:56 pm

2 stops7h 56m

$388

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sun 11/23

8:30 am-2:08 pm

1 stop4h 38m

Watertown

Thu 11/27

6:00 am-10:27 am

1 stop5h 27m

$485

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 11/22

6:00 am-2:08 pm

1 stop7h 08m

Watertown

Mon 11/24

6:00 am-11:04 pm

1 stop18h 04m

$572

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 11/22

7:00 am-11:09 pm

2 stops15h 09m

Watertown

Mon 11/24

2:33 pm-11:07 pm

2 stops9h 34m

$581

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 12/27

6:02 am-6:30 pm

2 stops11h 28m

Watertown

Wed 12/31

7:30 am-7:30 pm

2 stops13h 00m

$663

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Wed 11/26

4:40 pm-11:09 pm

1 stop5h 29m

Watertown

Sat 11/29

6:00 am-12:28 pm

1 stop7h 28m

$680

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 12/27

6:02 am-6:30 pm

2 stops11h 28m

Watertown

Wed 12/31

7:30 am-7:30 pm

2 stops13h 00m

$685

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Sat 12/27

6:02 am-6:30 pm

2 stops11h 28m

Watertown

Wed 12/31

7:30 am-12:32 pm

1 stop30h 02m

$711

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Illinois 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

How long does it take to fly to Watertown, New York?

The flight from Illinois to Watertown, New York depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Syracuse (the most popular airport in Watertown, New York), then the flight time is 2h 36m on average. If you fly from Peoria (another popular airport in Illinois) to Syracuse, then the average flight time is 5h 11m.

Cheap Illinois to Watertown, New York flight deals and tips

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

Direct flights	None

There are no direct flights from Illinois to Watertown, New York. There are no popular flight routes from Illinois to Watertown, New York.

Search flight deals

When did momondo last update prices for flights from Illinois to Watertown Airport?
Prices for flights from Illinois to Watertown Airport refresh daily.
How old do you have to be to fly from Illinois 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 Illinois to Watertown Airport.
What documentation or ID do you need to fly to Watertown Airport?
The required travel and health documents for your Watertown Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Watertown Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Alexandria Bay

Clayton

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Watertown for you.

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

Yes. momondo allows you to filter the results for Illinois to Watertown flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Illinois and Watertown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Watertown, momondo offers a useful price alert feature which will track prices for flights to Watertown from Illinois and alert you when they change.