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Cheap flights from Chicago O'Hare Intl Airport to Hamilton, ON from C$ 168

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 394

One-way from

C$ 168

Popular in

January

Cheapest in

July

Average price

C$ 382
WestJet
  • WestJet
  • 17/10-20/10
  • 2 total stops
  • 41h 53m total
  • Chicago to Hamilton
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WestJet
  • WestJet
  • 10/10
  • 1 total stop
  • 30h 10m total
  • Chicago to Hamilton
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Highest demand for flights based on searches. 8% potential increase in price (C$ 53 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 September 2025.

Fri 10/105:30 p.m.ORD - YHM
1 stop30h 10mWestJet
Sun 12/106:00 a.m.YHM - ORD
1 stop11h 43mWestJet
Deal found 8/9C$ 360
Fri 17/105:30 p.m.ORD - YHM
1 stop30h 10mWestJet
Mon 20/106:00 a.m.YHM - ORD
1 stop11h 43mWestJet
Deal found 9/9C$ 371
Sun 26/102:20 p.m.ORD - YHM
1 stop25h 57mWestJet
Sun 2/116:10 p.m.YHM - ORD
1 stop20h 25mWestJet
Deal found 11/9C$ 464
Fri 24/108:40 a.m.ORD - YHM
2 stops14h 08mMultiple Airlines
Fri 31/107:00 a.m.YHM - ORD
3 stops19h 03mMultiple Airlines
Deal found 9/9C$ 467
Sun 12/105:30 p.m.ORD - YHM
1 stop30h 10mWestJet
Sat 18/106:00 a.m.YHM - ORD
1 stop11h 43mWestJet
Deal found 10/9C$ 474
Fri 17/105:30 p.m.ORD - YHM
1 stop30h 10mWestJet
Sun 19/106:00 a.m.YHM - ORD
1 stop11h 43mWestJet
Deal found 10/9C$ 485
Tue 7/106:40 a.m.ORD - YHM
2 stops17h 00mMultiple Airlines
Wed 8/106:00 a.m.YHM - ORD
2 stops31h 31mMultiple Airlines
Deal found 9/9C$ 496

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 11 September 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 17/10

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

1 stop30h 10m

Hamilton

Mon 20/10

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

1 stop11h 43m

C$ 394

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 26/10

2:20 p.m.-5:17 p.m.

1 stop25h 57m

Hamilton

Sun 2/11

6:10 p.m.-1:35 p.m.

1 stop20h 25m

C$ 464

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 12/10

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

1 stop30h 10m

Hamilton

Sat 18/10

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

1 stop11h 43m

C$ 474

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 17/10

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

1 stop30h 10m

Hamilton

Sun 19/10

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

1 stop11h 43m

C$ 474

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 10/10

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

1 stop30h 10m

Hamilton

Sun 12/10

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

1 stop11h 43m

C$ 497

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 12/10

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

1 stop30h 10m

Hamilton

Sun 19/10

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

1 stop11h 43m

C$ 513

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 12/10

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

1 stop30h 10m

Hamilton

Sun 19/10

2:55 p.m.-4:43 p.m.

2 stops26h 48m

C$ 516

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 12/10

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

1 stop30h 10m

Hamilton

Sat 18/10

2:55 p.m.-4:43 p.m.

2 stops26h 48m

C$ 520

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 17/10

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

2 stops22h 14m

Hamilton

Sun 19/10

5:45 p.m.-4:43 p.m.

2 stops23h 58m

C$ 535

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 17/10

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

1 stop30h 10m

C$ 182

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 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, 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.

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Hamilton, Ontario?

    A quick flight from Chicago O'Hare Intl Airport to Hamilton, Ontario can take about 30h 10m. WestJet provides one of the quickest options available for as low as C$ 394. The distance between Chicago O'Hare Intl Airport and Hamilton, Ontario is about 666 km.

  • 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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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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