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Cheap flights from Chicago O'Hare Intl Airport to Hamilton, ON from C$ 181

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
13 Apr — 20 Apr1
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 14 March 2026.

Mon 27/45:30 p.m.
ORD
-
YHM
1 stop22h 45m
Multiple Airlines
Mon 4/58:15 a.m.
YHM
-
ORD
1 stop26h 16m
Multiple Airlines
Deal found 13/3C$ 535
Thu 30/45:05 a.m.
ORD
-
YHM
1 stop8h 55m
Multiple Airlines
Mon 4/58:15 a.m.
YHM
-
ORD
2 stops24h 40m
Multiple Airlines
Deal found 12/3C$ 556
Wed 22/411:28 a.m.
ORD
-
YHM
2 stops26h 32m
Multiple Airlines
Mon 27/47:25 a.m.
YHM
-
ORD
1 stop17h 59m
Multiple Airlines
Deal found 10/3C$ 588
Thu 9/45:05 a.m.
ORD
-
YHM
1 stop8h 55m
Multiple Airlines
Thu 16/47:25 a.m.
YHM
-
ORD
1 stop17h 59m
Multiple Airlines
Deal found 12/3C$ 649
Sat 25/45:05 a.m.
ORD
-
YHM
1 stop8h 55m
Multiple Airlines
Sat 2/55:45 p.m.
YHM
-
ORD
2 stops23h 55m
Multiple Airlines
Deal found 11/3C$ 720
Wed 11/35:15 a.m.
ORD
-
YHM
1 stop8h 45m
Multiple Airlines
Tue 17/37:00 a.m.
YHM
-
ORD
1 stop14h 03m
Multiple Airlines
Deal found 10/3C$ 733
Wed 11/35:15 a.m.
ORD
-
YHM
1 stop8h 45m
Multiple Airlines
Wed 18/37:25 a.m.
YHM
-
ORD
1 stop16h 52m
Multiple Airlines
Deal found 10/3C$ 747
Sun 26/45:30 p.m.
ORD
-
YHM
1 stop22h 45m
Multiple Airlines
Sun 3/57:55 p.m.
YHM
-
ORD
2 stops15h 51m
Multiple Airlines
Deal found 12/3C$ 748

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 14 March 2026.

Round-trip from

C$ 535

One-way from

C$ 181

Popular in

December

Cheapest in

September

Average price

C$ 345
27/4-4/5
  • 27/4-4/5
  • 2 total stops
  • 49h 01m total
  • Chicago to Hamilton
Search Deals
22/4
  • 22/4
  • 1 total stop
  • 24h 33m total
  • Chicago to Hamilton
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 14 March 2026.
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 - YHM

ORDYHM

Chicago O'Hare Intl

Mon 27/4

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

1 stop22h 45m

Hamilton

Mon 4/5

8:15 a.m.-9:31 a.m.

1 stop26h 16m

C$ 535

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 22/4

11:28 a.m.-3:00 p.m.

2 stops26h 32m

Hamilton

Mon 27/4

7:25 a.m.-12:24 a.m.

1 stop17h 59m

C$ 588

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 11/4

5:05 a.m.-3:00 p.m.

1 stop8h 55m

Hamilton

Sat 18/4

7:25 a.m.-12:24 a.m.

1 stop17h 59m

C$ 788

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 29/5

7:07 p.m.-3:55 p.m.

2 stops19h 48m

Hamilton

Sun 31/5

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

2 stops23h 55m

C$ 926

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 2/6

5:30 p.m.-10:09 p.m.

2 stops27h 39m

Hamilton

Fri 5/6

7:00 a.m.-4:40 p.m.

2 stops34h 40m

C$ 928
Quickest round-trip

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 9/4

5:05 a.m.-3:00 p.m.

1 stop8h 55m

Hamilton

Sun 12/4

7:25 a.m.-7:51 p.m.

1 stop13h 26m

C$ 935

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 27/5

5:30 p.m.-10:09 p.m.

2 stops27h 39m

Hamilton

Sat 30/5

7:00 a.m.-4:40 p.m.

2 stops34h 40m

C$ 940

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 24/5

5:30 p.m.-10:34 p.m.

2 stops28h 04m

Hamilton

Thu 28/5

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

2 stops23h 55m

C$ 1,067

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Mon 4/5

5:30 p.m.-10:34 p.m.

2 stops28h 04m

Hamilton

Tue 12/5

5:45 p.m.-9:20 p.m.

3 stops28h 35m

C$ 1,167
Cheapest one-way

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 26/4

11:28 a.m.-3:00 p.m.

2 stops26h 32m

C$ 276

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 21 resultsSorted by cheapest first
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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$ 116). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in March is currently the most expensive (average of C$ 298). 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$ 116). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in March is currently the most expensive (average of C$ 298). 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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How does Cheapflights help users find flights from O'Hare Intl to Hamilton?

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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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