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$338+ Cheap flights from Watertown, NY (ART) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
ART — ORD
dic. 12 — dic. 191
vie. 12/12
vie. 12/19
1 adult, Economy
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Cheap flight deals from Watertown to Illinois

Keep the following information in mind while searching for Watertown to Illinois flight deals. Data was last updated noviembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$338
(American Airlines)
Provider with most accurate pricing for Watertown-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Watertown-Chicago (CHI) flights.
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From Watertown to Illinois
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Find flight deals from Watertown to Illinois

Cheapest flights from Watertown to Illinois
Explore the most affordable flight options available from Watertown to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 11/10. 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.
mar. 11/256:00 amART - ORD
1 stop7h 28mAmerican Airlines
sáb. 11/296:47 amORD - ART
1 stop6h 21mAmerican Airlines
Deal found 11/10$338
This American Airlines deal was found by Cheapflights users on 11/12. 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.
vie. 12/266:58 pmART - STL
2 stops14h 58mAmerican Airlines
mié. 1/79:33 amSTL - ART
1 stop7h 41mAmerican Airlines
Deal found 11/12$466
This American Airlines deal was found by Cheapflights users on 11/12. 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.
sáb. 12/276:00 amART - STL
2 stops11h 23mAmerican Airlines
mié. 1/79:33 amSTL - ART
1 stop7h 41mAmerican Airlines
Deal found 11/12$535
This American Airlines deal was found by Cheapflights users on 11/11. 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.
mié. 11/266:00 amART - ORD
1 stop7h 28mAmerican Airlines
dom. 11/306:47 amORD - ART
1 stop6h 21mAmerican Airlines
Deal found 11/11$692
This American Airlines deal was found by Cheapflights users on 11/11. 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.
jue. 11/206:00 amART - ORD
2 stops8h 14mAmerican Airlines
jue. 11/204:40 pmORD - ART
1 stop5h 29mAmerican Airlines
Deal found 11/11$778

Cheapflights Fare Finder

 
Customize your flight search to find flights from Watertown to Illinois 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 noviembre 12, 2025.
Use the filters below to find and compare flights from Watertown to Illinois that are best for you.

Fly from

Watertown

Fly to

Illinois

Route

Depart

Return

Price

WatertownChicago

ART - ORD

ARTORD

Watertown

mar. 11/25

6:00 am-12:28 pm

1 stop7h 28m

Chicago O'Hare Intl

sáb. 11/29

6:47 am-2:08 pm

1 stop6h 21m

$338

WatertownSt. Louis

ART - STL

ARTSTL

Watertown

vie. 12/26

6:58 pm-8:56 am

2 stops14h 58m

Lambert-St Louis

mié. 1/7

9:33 am-6:14 pm

1 stop7h 41m

$466

WatertownSt. Louis

ART - STL

ARTSTL

Watertown

sáb. 4/4

4:37 pm-11:32 pm

2 stops7h 55m

Lambert-St Louis

mar. 4/7

6:38 am-12:00 pm

1 stop4h 22m

$535

WatertownSt. Louis

ART - STL

ARTSTL

Watertown

sáb. 12/27

6:00 am-4:23 pm

2 stops11h 23m

Lambert-St Louis

mié. 1/7

9:33 am-6:14 pm

1 stop7h 41m

$535

WatertownChicago

ART - ORD

ARTORD

Watertown

mié. 4/8

6:24 am-12:16 pm

1 stop6h 52m

Chicago O'Hare Intl

sáb. 4/11

6:45 am-12:00 pm

1 stop4h 15m

$542

WatertownChicago

ART - ORD

ARTORD

Watertown

lun. 1/19

6:50 pm-1:59 pm

1 stop20h 09m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Best time to book a flight from Watertown to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Watertown 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 Watertown to Illinois

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

Currently, February is the cheapest month in which you can book a flight from Watertown, New York to Illinois (average of $144). Flying from Watertown, New York to Illinois in July is currently the most expensive (average of $271). 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 Watertown to Illinois. 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 from for flights from Watertown to Illinois?

    Located just 5.6 mi from the city center, Watertown (ART) is the airport most travelers will use when flying to Illinois from Watertown.

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

    There are many flights that can get you from Watertown, New York to Illinois in 7h 28m. Fly via American Airlines to get the fastest option. The distance from Watertown, New York to Illinois is about 615 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Watertown to Illinois 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 Watertown, New York to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Watertown, New York to Illinois (average of $144). Flying from Watertown, New York to Illinois in July is currently the most expensive (average of $271). 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

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