In terms of precipitation, rainfall in Hamilton, Ontario ranges from 58.0 - 101.0 mm per month. July is typically the wettest month, when rainfall can reach 101.0 mm. February is typically the driest time to visit Hamilton, Ontario when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Hamilton, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from ORD to YHM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Hamilton, Ontario as you normally would.

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.

C$ 236+ Cheap Flights from Chicago O'Hare Intl Airport to Hamilton, ON

Cheap flight deals from O'Hare Intl to Hamilton

Enter your travel dates to find the best prices.

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Best

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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 13 September 2026.

Thu 15/105:30 p.m. -

1 stop22h 45m

Sun 18/106:10 p.m. -

1 stop23h 30m

Deal found 8/9C$ 767

Tue 6/105:30 p.m. -

3 stops27h 55m

Sun 11/106:05 a.m. -

3 stops35h 35m

Deal found 8/9C$ 804

Sun 11/105:30 p.m. -

1 stop22h 45m

Sun 18/106:10 p.m. -

1 stop23h 30m

Deal found 11/9C$ 816

Mon 12/1011:41 a.m. -

2 stops33h 53m

Mon 19/108:15 a.m. -

1 stop8h 15m

Deal found 11/9C$ 857

Fri 9/105:30 p.m. -

3 stops20h 35m

Wed 14/105:45 p.m. -

2 stops23h 55m

Deal found 12/9C$ 884

Tue 3/111:55 p.m. -

2 stops26h 25m

Fri 6/118:00 a.m. -

2 stops28h 07m

Deal found 12/9C$ 921

Fri 16/105:30 p.m. -

3 stops27h 55m

Sun 18/106:05 a.m. -

3 stops35h 35m

Deal found 12/9C$ 929

Find flight deals from O'Hare Intl to Hamilton

Round-trip from	C$ 767
One-way from	C$ 236
Popular in	August
Cheapest in	March
Average price	C$ 413

WestJet
15/10-18/10
2 total stops
46h 15m total
Chicago to Hamilton

Search Deals

26/10-31/12
2 total stops
37h 06m total
Chicago to Hamilton

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Hamilton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 26/10

8:04 a.m.-10:10 p.m.

2 stops37h 06m

Hamilton

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 236

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 4/10

5:30 p.m.-5:35 p.m.

3 stops23h 05m

Hamilton

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 348

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

5:30 p.m.-5:15 p.m.

1 stop22h 45m

Hamilton

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 380

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Fri 9/10

5:30 p.m.-3:05 p.m.

2 stops20h 35m

Hamilton

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 409

Quickest round-trip

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Fri 25/9

7:17 p.m.-3:55 p.m.

2 stops19h 38m

Hamilton

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 409

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 19/10

5:30 p.m.-3:05 p.m.

2 stops20h 35m

Hamilton

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 444

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Wed 9/12

9:21 p.m.-2:08 p.m.

2 stops15h 47m

Hamilton

Sun 17/1

6:55 a.m.-9:18 a.m.

1 stop27h 23m

C$ 804

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 12/10

11:41 a.m.-10:34 p.m.

2 stops33h 53m

Hamilton

Mon 19/10

8:15 a.m.-3:30 p.m.

1 stop8h 15m

C$ 857

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Fri 9/10

5:30 p.m.-3:05 p.m.

3 stops20h 35m

Hamilton

Wed 14/10

5:45 p.m.-4:40 p.m.

2 stops23h 55m

C$ 884

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 11/10

5:30 p.m.-3:05 p.m.

3 stops20h 35m

Hamilton

Sun 18/10

6:05 a.m.-4:40 p.m.

3 stops35h 35m

C$ 964

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 13 resultsSorted by cheapest first

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.

ORD-YHM

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.

Related info for your journey

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.

See more FAQs

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Alternative routes

Complete your trip

Direct flights to Ontario

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Midway to Ottawa flights

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How does Cheapflights help users find flights from O'Hare Intl to Hamilton?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Hamilton from O'Hare Intl today with Cheapflights!

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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Cheap flights from Chicago O'Hare Intl Airport to Hamilton, ON from C$ 236

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Hamilton

Cheapest flights from O'Hare Intl to HamiltonExplore 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 13 September 2026.

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 13 September 2026.

Best flights from O'Hare Intl to HamiltonDiscover carefully curated flight deals from O'Hare Intl to Hamilton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from O'Hare Intl to Hamilton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from O'Hare Intl to HamiltonDiscover last-minute flight deals from O'Hare Intl to Hamilton. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Hamilton. Data last updated 13 September 2026 and is based on user searches.

One-way flights from O'Hare Intl to HamiltonSearch for one-way flight options from O'Hare Intl to Hamilton. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from O'Hare Intl to Hamilton. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Find flight deals from O'Hare Intl to Hamilton

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Hamilton that are best for you.

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.

Related info for your journey

What airport do you fly into for flights to Hamilton from Chicago O'Hare Intl?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Hamilton

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Hamilton by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from O'Hare Intl to Hamilton by cabin class

Find flights from O'Hare Intl to Hamilton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'Hare Intl and Hamilton flights

Browse other O'Hare Intl and Hamilton flight options. Last updated on 13 September 2026.

Other flights from O'Hare Intl

Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Hamilton?

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

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

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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 13 September 2026.

Best flights from O'Hare Intl to Hamilton
Discover carefully curated flight deals from O'Hare Intl to Hamilton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from O'Hare Intl to Hamilton
Discover last-minute flight deals from O'Hare Intl to Hamilton. Data last updated 13 September 2026 and is based on user searches.

One-way flights from O'Hare Intl to Hamilton
Search for one-way flight options from O'Hare Intl to Hamilton. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.