Cheap flights from Hamilton to Chicago O'Hare International

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      Compare Hamilton to Chicago O'Hare International flight deals

      Find the cheapest month or even day of the year to fly to Chicago O'Hare International

      Book the best Chicago O'Hare International fare with no extra fees

      Flight deals from Hamilton to Chicago O'Hare International

      Looking for a cheap last-minute deal or the best round-trip flight from Hamilton to Chicago O'Hare International? Find the lowest prices on one-way and round-trip tickets right here.

      Find the cheapest month to fly from Hamilton to Chicago O'Hare International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hamilton to Chicago O'Hare International flights are currently cheapest in September.

      Hamilton to Chicago O'Hare International: Alternative routes

      Compare routes from Hamilton to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

      Toronto to Chicago: Flight information

      The things to know before you go.
      Cheapest flight foundC$620
      Cheapest month to flySeptember

      Finding cheap flights from Hamilton to Chicago O'Hare International: Frequently asked questions

      The best price we found for a round-trip flight from Hamilton to Chicago O'Hare International is C$620. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Hamilton to Chicago O'Hare International. But we found flights with one or more stops from C$620.
      There are no flights flying from Hamilton to Chicago O'Hare International, as of May 2025.
      The cheapest month to fly from Hamilton to Chicago O'Hare International is usually May 2025.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hamilton Airport to Chicago O'Hare International Airport on Friday, September 12, 2025.
      No airlines currently offer direct flights between Hamilton Airport and Chicago O'Hare International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
      Currently, WestJet offers the cheapest flight tickets to Chicago O'Hare International.

      Flying from John C. Munro Hamilton Airport (YHM) to O'Hare International Airport (ORD): what you need to know

      • The timezone in Chicago is UTC-5, which is one hour behind Toronto.

      • To ensure you catch your YHM to ORD flight, leave enough time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

      • Flying during a peak time like August? Major public holidays and other popular periods can lead to longer lines at airport checkpoints. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

      How to find the cheapest flights from John C. Munro Hamilton Airport (YHM) to O'Hare International Airport (ORD)

      • The cheapest price we've seen for a one-way John C. Munro Hamilton Airport to O'Hare International Airport flight is C$261. A return fare right now is C$621. Depending on the availability when you book, these fares may change.

      • To find cheap tickets from YHM to ORD, book in advance. Airlines typically offer their most competitively priced fares when flights are first made available.

      • Getting cheap flights from John C. Munro Hamilton Airport to O'Hare International Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' function to see the lowest prices throughout the month and bag a great deal.

      • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment the price changes on cheap flights from YHM to ORD.

      • Tailor your flights with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from John C. Munro Hamilton Airport to O'Hare International Airport.

      Handy information about John C. Munro Hamilton Airport (YHM)

      • Of the flights that depart from John C. Munro Hamilton Airport, 71.43% touch down on time at their destination.

      • To get to John C. Munro Hamilton Airport from central Toronto, it takes about 1 hour if you're going by car. This depends on traffic, however. It's approximately 80 kilometres from the airport to the city centre.

      • Taking public transport? Expect a journey time of around 3 hours 20 minutes.

      • Have an early flight from John C. Munro Hamilton Airport to O'Hare International Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near YHM:

      Arriving at O'Hare International Airport (ORD)

      Getting from O'Hare International Airport (ORD) to central Chicago

      • The address for ORD is 10000 West O'Hare.

      • O'Hare International Airport to central Chicago has a drive time of around 35 minutes. It's approximately 40 kilometres away.

      • It takes around 55 minutes to get there using public transport.

      When to fly to O'Hare International Airport (ORD)

      • The quietest month for a flight from John C. Munro Hamilton Airport to O'Hare International Airport is January, while August is the busiest. Choose the best time to visit Chicago based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • Before locking in your flight from John C. Munro Hamilton Airport to O'Hare International Airport, consider the kind of weather you like. July is the warmest month in Chicago, with temperatures ranging from 15ºC (59ºF) to 29ºC (84ºF).

      • January sees average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Search for cheap tickets from YHM to ORD around that time if you want to travel when it's cooler.

      Explore more of United States

      • You've seen Chicago, now it's time to explore other corners of United States. Travel about 451 kilometres south-east to Columbus to tick off its leading sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, you'll have a full itinerary ahead.

      • If you're eager to discover another major stop in United States, head for Indianapolis, about 257 kilometres south-east of Chicago. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are highlights.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.