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Cheap flights from Chicago O'Hare Intl Airport to Hamilton, ON from C$ 159

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Hamilton

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 11/123:26 p.m.ORD - YHM
2 stops21h 54mMultiple Airlines
Wed 14/17:25 a.m.YHM - ORD
1 stop14h 38mMultiple Airlines
Deal found 10/12C$ 764
Mon 15/125:00 a.m.ORD - YHM
1 stop9h 00mMultiple Airlines
Wed 17/127:25 a.m.YHM - ORD
1 stop13h 36mMultiple Airlines
Deal found 9/12C$ 816
Tue 30/123:26 p.m.ORD - YHM
1 stop22h 34mMultiple Airlines
Thu 1/17:25 a.m.YHM - ORD
1 stop8h 37mMultiple Airlines
Deal found 9/12C$ 987
Fri 26/127:57 p.m.ORD - YHM
2 stops18h 03mMultiple Airlines
Mon 29/127:25 a.m.YHM - ORD
3 stops31h 15mMultiple Airlines
Deal found 9/12C$ 1,285
Tue 23/127:57 p.m.ORD - YHM
2 stops18h 03mMultiple Airlines
Sun 28/127:25 a.m.YHM - ORD
1 stop18h 05mMultiple Airlines
Deal found 11/12C$ 1,380

Find 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 12 December 2025.

Round-trip from

C$ 365

One-way from

C$ 159

Popular in

February

Cheapest in

September

Average price

C$ 405
15/1-22/1
  • 15/1-22/1
  • 2 total stops
  • 26h 06m total
  • Chicago to Hamilton
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28/1
  • 28/1
  • 1 total stop
  • 8h 45m total
  • Chicago to Hamilton
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 12 December 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

Thu 22/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Thu 29/1

7:25 a.m.-11:46 p.m.

1 stop17h 21m

C$ 419

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 22/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Mon 26/1

7:25 a.m.-9:03 p.m.

1 stop14h 38m

C$ 432

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 29/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Mon 2/2

7:25 a.m.-9:03 p.m.

1 stop14h 38m

C$ 433

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 5/2

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Sun 8/2

7:25 a.m.-9:03 p.m.

1 stop14h 38m

C$ 485

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 29/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Sun 1/2

7:25 a.m.-9:03 p.m.

1 stop14h 38m

C$ 496

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 8/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Thu 15/1

7:25 a.m.-7:38 p.m.

1 stop13h 13m

C$ 531

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 24/1

12:44 p.m.-2:20 p.m.

1 stop24h 36m

Hamilton

Sat 31/1

7:25 a.m.-7:44 p.m.

1 stop13h 19m

C$ 757

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 19/3

5:15 a.m.-3:00 p.m.

1 stop8h 45m

Hamilton

Mon 23/3

7:25 a.m.-5:13 p.m.

1 stop10h 48m

C$ 764

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 28/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 159

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 22/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 211

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 13 results
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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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario (average of C$ 117). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of C$ 290). 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 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario (average of C$ 117). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of C$ 290). 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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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Hamilton?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Hamilton from O'Hare Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to Hamilton, users can toggle the no change fees filter when performing a flight search.

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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