Title: CA $562 Cheap Flights from Watertown (ATY) to Chicago (ORD) - Expedia.ca ![City of Chicago. Image of Chicago downtown and Chicago River with bridges at sunny summer day](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $562 Cheap Flights from Watertown (ATY) to Chicago (ORD) [View CA $562 flight on Fri, Oct 17, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ATY,to:ORD,departure:17/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:561.90&airProductToken=AQpvCjYIxJgBEgQ0Mjk4GODEASDMfCjMyvoCMJLL-gI4SEAAWAFqCU1BSU5DTEFTQ3IISEFVR0EwTVEKNQjEmAESBDE1NjcYzHwgrhwo68z6AjDDzfoCOEhAAVgBaglNQUlOQ0xBU0NyCEhBVUdBME1REgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Watertown, SD (ATY-Watertown Regional) to Chicago O'Hare International Airport (ORD) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:ord,departure:23/10/2025TANYT&leg2=from:ord,to:aty,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:ord,departure:23/10/2025TANYT&leg2=from:ord,to:aty,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Watertown (ATY) to Chicago (ORD) Prices were available within the past 7 days and start at CA $562 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Find the cheapest month to fly from Watertown (ATY) to Chicago (ORD) ### February is typically the cheapest month to fly From CA $206 - CA $701 per traveller. ## Frequently asked questions ### How much is a flight from Watertown Regional Airport (ATY) to O'Hare Intl. Airport (ORD)? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from ATY to O'Hare Intl. Airport (ORD) was . Fares this cheap don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Watertown Regional Airport to ORD? > Every air carrier has its own set of terms and conditions. If you decide to cancel your getaway, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from ATY to ORD that have flexible change policies? > Flights from ATY to ORD offering flexible change policies are available from several carriers. Simply use our "No change fees" filter when searching. You'll only need to pay the cost difference between the two flights, without any additional fees to worry about. ### How far is the flight from Watertown Regional Airport to ORD? > It's just 820 kilometres from ATY to O'Hare Intl. Airport (ORD). Chances are you'll spend more time getting to and from the airport than actually flying! ### Which airlines fly direct from ATY to O'Hare Airport? > Check out the fares with Denver Air Connection (KG) if you want to fly straight from ATY to ORD. This carrier operates 26 monthly flights, so you're sure to find one that fits your schedule. ### Are Watertown Regional Airport to O'Hare Airport flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes score a bargain, with some of the cheapest airfares from Watertown Regional Airport to O'Hare Airport popping up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance. ## Travel information | Origin airport | Watertown Regional | | --- | --- | | Destination airport | O'Hare Intl. | | Distance | 810 km | ## Book with confidence ### Watertown to Chicago Flights **The easy way to book your flights from Watertown to Chicago**  With Expedia, it’s simple to find and book flights to Chicago from Watertown whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to O'Hare Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Watertown to Chicago today, tomorrow, or this week.   **Save dollars with cheap flights from Watertown Regional, ATY to O'Hare Intl., ORD**  Sort your search results by price to find great deals on your flight from Watertown to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from Watertown currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Chicago   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Chicago from Watertown**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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