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Cheap flights from Illinois to Watertown from $298

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 3/7. 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

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Find the cheapest flights from Illinois to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:23 am - 3:41 pm
ORD
-
ART
6h 18m
1 stop
American Airlines Logo
6:00 am - 10:12 am
ART
-
ORD
5h 12m
1 stop
$298American Airlines
Sat, Mar 7 - Sun, Mar 8
American Airlines Logo
7:10 am - 3:41 pm
ORD
-
ART
7h 31m
2 stops
American Airlines Logo
6:00 am - 12:16 pm
ART
-
ORD
7h 16m
1 stop
$304American Airlines
Sat, Mar 7 - Sun, Mar 8
American Airlines Logo
7:10 am - 3:41 pm
ORD
-
ART
7h 31m
2 stops
American Airlines Logo
6:00 am - 2:16 pm
ART
-
ORD
9h 16m
2 stops
$309American Airlines
Sat, Mar 7 - Sun, Mar 8
American Airlines Logo
5:00 am - 10:59 am
ORD
-
ART
4h 59m
1 stop
American Airlines Logo
11:25 am - 7:52 pm
ART
-
ORD
9h 27m
2 stops
$314American Airlines
Thu, Apr 9 - Tue, Apr 14
American Airlines Logo
5:00 am - 10:59 am
ORD
-
ART
4h 59m
1 stop
American Airlines Logo
6:00 am - 10:41 am
ART
-
ORD
5h 41m
1 stop
$368American Airlines
Thu, Apr 9 - Sun, Apr 12
American Airlines Logo
2:40 pm - 10:55 pm
ORD
-
ART
7h 15m
1 stop
American Airlines Logo
4:01 pm - 9:18 pm
ART
-
ORD
6h 17m
1 stop
$377American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
8:23 am - 3:41 pm
ORD
-
ART
6h 18m
1 stop
American Airlines Logo
4:01 pm - 12:06 am
ART
-
ORD
9h 05m
2 stops
$383American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
7:10 am - 3:41 pm
ORD
-
ART
7h 31m
2 stops
American Airlines Logo
4:01 pm - 12:06 am
ART
-
ORD
9h 05m
2 stops
$388American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
8:23 am - 3:41 pm
ORD
-
ART
6h 18m
1 stop
American Airlines Logo
6:00 am - 12:05 pm
ART
-
ORD
7h 05m
1 stop
$397American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
8:23 am - 3:41 pm
ORD
-
ART
6h 18m
1 stop
American Airlines Logo
4:06 pm - 12:06 am
ART
-
ORD
9h 00m
2 stops
$403American Airlines
Thu, Feb 26 - Mon, Mar 2

American Airlines flights from Illinois to Watertown, New York

Our best American Airlines deals on Illinois to Watertown, New York flight tickets
American Airlines
Mar 7
ORD8:23 amChicago O'Hare Intl
6h 18m
1 stop
ART3:41 pmWatertown
Mar 8
ART6:00 amWatertown
5h 12m
1 stop
ORD10:12 amChicago O'Hare Intl
$298
American Airlines
Mar 7
ORD7:10 amChicago O'Hare Intl
7h 31m
2 stops
ART3:41 pmWatertown
Mar 8
ART6:00 amWatertown
7h 16m
1 stop
ORD12:16 pmChicago O'Hare Intl
$304
American Airlines
Mar 7
ORD7:10 amChicago O'Hare Intl
7h 31m
2 stops
ART3:41 pmWatertown
Mar 8
ART6:00 amWatertown
9h 16m
2 stops
ORD2:16 pmChicago O'Hare Intl
$309

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 February 12, 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

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 3/7

8:23 am-3:41 pm

1 stop6h 18m

Watertown

Sun 3/8

6:00 am-10:12 am

1 stop5h 12m

$298

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 3/7

7:10 am-3:41 pm

2 stops7h 31m

Watertown

Sun 3/8

6:00 am-12:16 pm

1 stop7h 16m

$304

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 3/7

7:10 am-3:41 pm

2 stops7h 31m

Watertown

Sun 3/8

6:00 am-2:16 pm

2 stops9h 16m

$309

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Thu 4/9

5:00 am-10:59 am

1 stop4h 59m

Watertown

Tue 4/14

11:25 am-7:52 pm

2 stops9h 27m

$314

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Thu 4/9

5:00 am-10:59 am

1 stop4h 59m

Watertown

Sun 4/12

6:00 am-10:41 am

1 stop5h 41m

$368

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Fri 3/6

2:40 pm-10:55 pm

1 stop7h 15m

Watertown

Mon 3/9

4:01 pm-9:18 pm

1 stop6h 17m

$377

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Fri 3/6

8:23 am-3:41 pm

1 stop6h 18m

Watertown

Mon 3/9

4:01 pm-12:06 am

2 stops9h 05m

$383

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Fri 3/6

7:10 am-3:41 pm

2 stops7h 31m

Watertown

Mon 3/9

4:01 pm-12:06 am

2 stops9h 05m

$388

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Thu 2/26

8:23 am-3:41 pm

1 stop6h 18m

Watertown

Mon 3/2

6:00 am-12:05 pm

1 stop7h 05m

$397

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Thu 2/26

8:23 am-3:41 pm

1 stop6h 18m

Watertown

Mon 3/2

4:06 pm-12:06 am

2 stops9h 00m

$403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

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

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

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

4h 36m

Direct flights

None
The fastest flight from Illinois to Watertown, New York takes 4h 36m
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.

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.

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