What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Watertown, New York according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Watertown Airport to Illinois refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Watertown Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$224 Cheap Flights from Watertown to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Watertown, New York to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 3:40 pm

ART

ORD

9h 40m2 stops

2:50 pm - 9:23 pm

ORD

ART

5h 33m1 stop

$224American Airlines

Fri, Jan 30 - Mon, Feb 2

7:00 am - 4:55 pm

ART

ORD

10h 55m2 stops

7:00 am - 4:06 pm

ORD

ART

8h 06m2 stops

$229American Airlines

Fri, Jan 30 - Mon, Feb 2

6:00 am - 10:11 am

ART

ORD

5h 11m1 stop

2:20 pm - 10:55 pm

ORD

ART

7h 35m1 stop

$351American Airlines

Thu, Mar 5 - Sun, Mar 8

7:00 am - 1:59 pm

ART

ORD

7h 59m1 stop

2:50 pm - 9:23 pm

ORD

ART

5h 33m1 stop

$357American Airlines

Fri, Jan 30 - Mon, Feb 2

6:00 am - 11:59 am

ART

ORD

6h 59m1 stop

9:54 am - 6:14 pm

ORD

ART

7h 20m1 stop

$461American Airlines

Sat, Jan 3 - Wed, Jan 7

6:00 am - 11:59 am

ART

ORD

6h 59m1 stop

11:29 am - 9:23 pm

ORD

ART

8h 54m2 stops

$467American Airlines

Sat, Jan 3 - Wed, Jan 7

4:28 pm - 11:53 pm

ART

ORD

8h 25m2 stops

2:20 pm - 10:55 pm

ORD

ART

7h 35m1 stop

$496American Airlines

Thu, Mar 5 - Sun, Mar 8

6:00 am - 11:59 am

ART

ORD

6h 59m1 stop

2:50 pm - 9:23 pm

ORD

ART

5h 33m1 stop

$511American Airlines

Sat, Jan 3 - Wed, Jan 7

6:00 am - 11:59 am

ART

ORD

6h 59m1 stop

8:12 am - 6:14 pm

ORD

ART

9h 02m2 stops

$517American Airlines

Sat, Jan 3 - Wed, Jan 7

6:00 am - 12:40 pm

ART

ORD

7h 40m2 stops

9:45 am - 6:14 pm

ORD

ART

7h 29m2 stops

$522American Airlines

Sat, Jan 3 - Wed, Jan 7

American Airlines flights from Watertown, New York to Illinois

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

American Airlines

Jan 30

ART7:00 amWatertown

9h 40m

2 stops

ORD3:40 pmChicago O'Hare Intl

Feb 2

ORD2:50 pmChicago O'Hare Intl

5h 33m

1 stop

ART9:23 pmWatertown

$224

Find similar

American Airlines

Jan 30

ART7:00 amWatertown

10h 55m

2 stops

ORD4:55 pmChicago O'Hare Intl

Feb 2

ORD7:00 amChicago O'Hare Intl

8h 06m

2 stops

ART4:06 pmWatertown

$229

Find similar

American Airlines

Mar 5

ART6:00 amWatertown

5h 11m

1 stop

ORD10:11 amChicago O'Hare Intl

Mar 8

ORD2:20 pmChicago O'Hare Intl

7h 35m

1 stop

ART10:55 pmWatertown

$351

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

WatertownChicago

ART - ORD

ARTORD

Watertown

Fri 1/30

7:00 am-3:40 pm

2 stops9h 40m

Chicago O'Hare Intl

Mon 2/2

2:50 pm-9:23 pm

1 stop5h 33m

$224

WatertownChicago

ART - ORD

ARTORD

Watertown

Fri 1/30

7:00 am-4:55 pm

2 stops10h 55m

Chicago O'Hare Intl

Mon 2/2

7:00 am-4:06 pm

2 stops8h 06m

$229

WatertownChicago

ART - ORD

ARTORD

Watertown

Thu 3/5

6:00 am-10:11 am

1 stop5h 11m

Chicago O'Hare Intl

Sun 3/8

2:20 pm-10:55 pm

1 stop7h 35m

$351

WatertownChicago

ART - ORD

ARTORD

Watertown

Fri 1/30

7:00 am-1:59 pm

1 stop7h 59m

Chicago O'Hare Intl

Mon 2/2

2:50 pm-9:23 pm

1 stop5h 33m

$357

WatertownChicago

ART - ORD

ARTORD

Watertown

Sat 1/3

6:00 am-11:59 am

1 stop6h 59m

Chicago O'Hare Intl

Wed 1/7

9:54 am-6:14 pm

1 stop7h 20m

$461

WatertownChicago

ART - ORD

ARTORD

Watertown

Sat 1/3

6:00 am-11:59 am

1 stop6h 59m

Chicago O'Hare Intl

Wed 1/7

11:29 am-9:23 pm

2 stops8h 54m

$467

WatertownChicago

ART - ORD

ARTORD

Watertown

Thu 3/5

4:28 pm-11:53 pm

2 stops8h 25m

Chicago O'Hare Intl

Sun 3/8

2:20 pm-10:55 pm

1 stop7h 35m

$496

WatertownChicago

ART - ORD

ARTORD

Watertown

Sat 1/3

6:00 am-11:59 am

1 stop6h 59m

Chicago O'Hare Intl

Wed 1/7

2:50 pm-9:23 pm

1 stop5h 33m

$511

WatertownChicago

ART - ORD

ARTORD

Watertown

Sat 1/3

6:00 am-11:59 am

1 stop6h 59m

Chicago O'Hare Intl

Wed 1/7

8:12 am-6:14 pm

2 stops9h 02m

$517

WatertownChicago

ART - ORD

ARTORD

Watertown

Sat 1/3

6:00 am-12:40 pm

2 stops7h 40m

Chicago O'Hare Intl

Wed 1/7

9:45 am-6:14 pm

2 stops7h 29m

$522

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Prices

Airlines

Can stopping save me money on Watertown, New York to Illinois flights?

You could potentially save up to 48% on your flight if you consider stops on a Watertown, New York to Illinois flight.

Cheap Watertown, New York to Illinois flight deals and tips

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

Fastest flight time	5h 11m
Direct flights	None

The fastest flight from Watertown, New York to Illinois takes 5h 11m

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

Search flight deals

When did momondo last update prices for flights from Watertown Airport to Illinois?
Prices for flights from Watertown Airport to Illinois refresh daily.
How old do you have to be to fly from Watertown Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Watertown Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Watertown to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Yes. momondo enables you to select and highlight flights to Illinois from Watertown with this policy.

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

Once you have performed a search for Watertown to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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