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Cheap flights from Illinois to Watertown from $478

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Watertown departing on 8/4. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:07 pm - 10:53 pm
ORD
-
ART
4h 46m
1 stop
American Airlines Logo
3:30 pm - 10:30 pm
ART
-
ORD
8h 00m
1 stop
$478American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
6:45 am - 2:45 pm
ORD
-
ART
7h 00m
1 stop
American Airlines Logo
3:30 pm - 10:30 pm
ART
-
ORD
8h 00m
1 stop
$481American Airlines
Tue, Aug 18 - Tue, Aug 25
American Airlines Logo
3:34 pm - 3:59 pm
STL
-
ART
23h 25m
2 stops
American Airlines Logo
4:18 pm - 9:44 pm
ART
-
STL
6h 26m
1 stop
$498American Airlines
Tue, Sep 15 - Sat, Sep 19
American Airlines Logo
3:25 pm - 10:55 pm
ORD
-
ART
6h 30m
1 stop
American Airlines Logo
6:00 am - 12:12 pm
ART
-
ORD
7h 12m
1 stop
$561American Airlines
Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
5:07 pm - 10:53 pm
ORD
-
ART
4h 46m
1 stop
American Airlines Logo
4:22 pm - 11:30 pm
ART
-
ORD
8h 08m
1 stop
$568American Airlines
Sat, Jul 18 - Wed, Jul 22
American Airlines Logo
1:20 pm - 10:53 pm
ORD
-
ART
8h 33m
2 stops
American Airlines Logo
3:30 pm - 7:46 pm
ART
-
ORD
5h 16m
1 stop
$636American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
5:05 pm - 10:55 pm
ORD
-
ART
4h 50m
1 stop
American Airlines Logo
6:00 am - 2:20 pm
ART
-
ORD
9h 20m
2 stops
$639American Airlines
Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
5:07 pm - 10:53 pm
ORD
-
ART
4h 46m
1 stop
American Airlines Logo
4:22 pm - 12:01 am
ART
-
ORD
8h 39m
2 stops
$641American Airlines
Sat, Jul 18 - Wed, Jul 22
American Airlines Logo
5:10 pm - 3:59 pm
STL
-
ART
21h 49m
2 stops
American Airlines Logo
6:00 am - 6:04 pm
ART
-
STL
13h 04m
2 stops
$706American Airlines
Tue, Sep 15 - Sat, Sep 19
American Airlines Logo
1:20 pm - 10:53 pm
ORD
-
ART
8h 33m
2 stops
American Airlines Logo
6:00 am - 2:02 pm
ART
-
ORD
9h 02m
2 stops
$713American Airlines
Sat, Jul 18 - Wed, Jul 22

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American Airlines flights from Illinois to Watertown, New York

Our best American Airlines deals on Illinois to Watertown, New York flight tickets
American Airlines
Aug 4
ORD5:07 pmChicago O'Hare Intl
4h 46m
1 stop
ART10:53 pmWatertown
Aug 11
ART3:30 pmWatertown
8h 00m
1 stop
ORD10:30 pmChicago O'Hare Intl
$478
American Airlines
Aug 18
ORD6:45 amChicago O'Hare Intl
7h 00m
1 stop
ART2:45 pmWatertown
Aug 25
ART3:30 pmWatertown
8h 00m
1 stop
ORD10:30 pmChicago O'Hare Intl
$481
American Airlines
Sep 15
STL3:34 pmLambert-St Louis
23h 25m
2 stops
ART3:59 pmWatertown
Sep 19
ART4:18 pmWatertown
6h 26m
1 stop
STL9:44 pmLambert-St Louis
$498

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 July 8, 2026.
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

Cheapest round-trip
Quickest round-trip

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Tue 8/4

5:07 pm-10:53 pm

1 stop4h 46m

Watertown

Tue 8/11

3:30 pm-10:30 pm

1 stop8h 00m

$478

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Tue 8/18

6:45 am-2:45 pm

1 stop7h 00m

Watertown

Tue 8/25

3:30 pm-10:30 pm

1 stop8h 00m

$481

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Tue 9/15

3:34 pm-3:59 pm

2 stops23h 25m

Watertown

Sat 9/19

4:18 pm-9:44 pm

1 stop6h 26m

$498

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Fri 8/28

3:25 pm-10:55 pm

1 stop6h 30m

Watertown

Sat 9/5

6:00 am-12:12 pm

1 stop7h 12m

$561

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 7/18

5:07 pm-10:53 pm

1 stop4h 46m

Watertown

Wed 7/22

4:22 pm-11:30 pm

1 stop8h 08m

$568

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Tue 8/4

1:20 pm-10:53 pm

2 stops8h 33m

Watertown

Tue 8/11

3:30 pm-7:46 pm

1 stop5h 16m

$636

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Fri 8/28

5:05 pm-10:55 pm

1 stop4h 50m

Watertown

Sat 9/5

6:00 am-2:20 pm

2 stops9h 20m

$639

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 7/18

5:07 pm-10:53 pm

1 stop4h 46m

Watertown

Wed 7/22

4:22 pm-12:01 am

2 stops8h 39m

$641

St. LouisWatertown

STL - ART

STLART

Lambert-St Louis

Tue 9/15

5:10 pm-3:59 pm

2 stops21h 49m

Watertown

Sat 9/19

6:00 am-6:04 pm

2 stops13h 04m

$706

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 7/18

1:20 pm-10:53 pm

2 stops8h 33m

Watertown

Wed 7/22

6:00 am-2:02 pm

2 stops9h 02m

$713

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Watertown from

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 38m on average. If you fly from Moline (another popular airport in Illinois) to Syracuse, then the average flight time is 4h 16m.

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

Fastest flight time

5h 55m

Direct flights

None
The fastest flight from Illinois to Watertown, New York takes 5h 55m
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

Frequently asked questions about flying from Illinois to Watertown, New York

  • 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.

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 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.

An easier way to manage your Watertown, New York trip

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