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Cheap flights from Chicago O'Hare Intl Airport to Hamilton, ON from C$ 203

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
3 Aug — 10 Aug1
1 adult

Cheap flight deals from O'Hare Intl to Hamilton

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Hamilton (YHM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2025.

Round-trip from

C$ 425

One-way from

C$ 203

Popular in

November

Cheapest in

August

Average price

C$ 370
WestJet
  • WestJet
  • 5/9-11/9
  • 2 total stops
  • 41h 53m total
  • Chicago to Hamilton
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WestJet
  • WestJet
  • 12/9
  • 1 total stop
  • 30h 10m total
  • Chicago to Hamilton
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from O'Hare Intl to Hamilton

Cheapest flights from O'Hare Intl to Hamilton
Explore the most affordable flight options available from O'Hare Intl to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Fri 5/95:30 p.m.ORD - YHM
1 stop30h 10mWestJet
Thu 11/96:00 a.m.YHM - ORD
1 stop11h 43mWestJet
Deal found 28/7C$ 425
Wed 10/95:30 p.m.ORD - YHM
2 stops22h 14mMultiple Airlines
Wed 17/96:00 a.m.YHM - ORD
1 stop11h 43mMultiple Airlines
Deal found 27/7C$ 560

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Hamilton 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 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Hamilton that are best for you.

Fly from

O'Hare Intl

Fly to

Hamilton

Route

Depart

Return

Price

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 5/9

5:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Thu 11/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 425

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 10/9

5:30 p.m.-4:44 p.m.

2 stops22h 14m

Hamilton

Wed 17/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 560

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 12/9

5:30 p.m.-12:40 a.m.

1 stop30h 10m

C$ 203

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 3/9

1:40 p.m.-11:48 p.m.

1 stop9h 08m

C$ 225

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from O'Hare Intl to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from O'Hare Intl 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 Chicago O'Hare Intl Airport to Hamilton

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario (average of C$ 186). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of C$ 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.

Reviews of airlines servicing Hamilton

Get insights into the airlines that provide service to Hamilton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hamilton. Reviews last updated 29 July 2025.
Get a feel of what it's like to fly with WestJet from Chicago O'Hare Intl Airport to Hamilton by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,972 reviews
Check prices

Crew

7.9

Overall

7.2

Food

6.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.
WestJet
7.2
Good
2,972 reviews
WestJet
7.2
Good
2,972 reviews
Check prices

Crew

7.9

Overall

7.2

Food

6.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Hamilton. 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 Hamilton from Chicago O'Hare Intl?

    Most people fly into Hamilton (YHM) if they book a flight to Hamilton from Chicago O'Hare Intl. On average, Hamilton has 0 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Hamilton is conveniently located just 10.9 km from Hamilton’s city centre.

  • Can I find deals for flights from O'Hare Intl to Hamilton that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Hamilton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Hamilton.

  • Can I find deals for business class flights from O'Hare Intl to Hamilton?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Hamilton 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 Chicago O'Hare Intl Airport to Hamilton, Ontario?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario (average of C$ 186). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of C$ 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.

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Can Cheapflights find flights from O'Hare Intl to Hamilton with no change fees?

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Can Cheapflights notify me if prices for flights from O'Hare Intl to Hamilton become cheaper?

Yes, Cheapflights offers price alerts on O'Hare Intl to Hamilton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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