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$433+ Cheap flights from Illinois to Watertown, NY (ART)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ART
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Watertown

Best flights from Illinois to Watertown
Discover carefully curated flight deals from Illinois to Watertown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 27, 2025.

This American Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:45 pmORD - ART
1 stop4h 49mAmerican Airlines
Tue 6/24:40 pmART - ORD
1 stop7h 09mAmerican Airlines
Deal found 12/27$485
This American Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/119:54 amORD - ART
1 stop7h 20mAmerican Airlines
Thu 1/157:00 amART - ORD
1 stop7h 59mAmerican Airlines
Deal found 12/27$960

Find flight deals from Illinois to Watertown

Keep the following information in mind while searching for Illinois to Watertown flight deals. Data was last updated December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars
Provider with most accurate pricing for Chicago (CHI)-Watertown flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Watertown flights.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Watertown 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, Cheapflights users made 2,558,603 searches. Data last updated December 27, 2025.
Use the filters below to find and compare flights from Illinois to Watertown that are best for you.

Fly from

Illinois

Fly to

Watertown

Route

Depart

Return

Price

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Thu 5/21

4:45 pm-10:34 pm

1 stop4h 49m

Watertown

Tue 6/2

4:40 pm-10:49 pm

1 stop7h 09m

$485

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sun 1/11

9:54 am-6:14 pm

1 stop7h 20m

Watertown

Thu 1/15

7:00 am-1:59 pm

1 stop7h 59m

$960

ChicagoWatertown

ORD - ART

ORDART

Chicago O'Hare Intl

Sat 1/31

2:50 pm-9:23 pm

1 stop5h 33m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Best time to book a flight from Illinois to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Watertown

What is the cheapest month to book a flight from Illinois to Watertown, New York?

Currently, August is the cheapest month in which you can book a flight from Illinois to Watertown, New York (average of $200). Flying from Illinois to Watertown, New York in March is currently the most expensive (average of $255). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Watertown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Watertown from Illinois?

    For a flight from Illinois to Watertown, you will be flying into Watertown. Watertown (ART) is just 5.6 mi from the center of the city.

  • How long is the flight from Illinois to Watertown, New York?

    For as low as $485, American Airlines can have you in Watertown, New York from Illinois in 4h 49m. There are 615 mi between Illinois and Watertown, New York.

  • What are the most popular routes from Illinois to Watertown, New York?

    While some choose either Greater Peoria - Watertown or Moline Quad-City - Watertown, Chicago O'Hare Intl - Watertown is the most popular route from Illinois to Watertown, New York.

  • Can I find deals for flights from Illinois to Watertown that include hotel bookings?

    Yes. In addition to deals on Illinois to Watertown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Watertown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Watertown.

  • Can I find deals for business class flights from Illinois to Watertown?

    Yes. Cheapflights offers flight deals from Illinois to Watertown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Watertown, New York?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Watertown, New York (average of $200). Flying from Illinois to Watertown, New York in March is currently the most expensive (average of $255). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Watertown?

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