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Cheap flights from Chicago O'Hare Intl Airport to Hamilton, ON from C$ 251

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
31 May — 7 Jun1
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 1 May 2026.

Tue 26/55:30 p.m.
ORD
-
YHM
1 stop22h 45m
WestJet
Thu 28/56:10 p.m.
YHM
-
ORD
1 stop23h 30m
WestJet
Deal found 29/4C$ 558
Sun 24/55:30 p.m.
ORD
-
YHM
1 stop22h 45m
WestJet
Wed 27/56:10 p.m.
YHM
-
ORD
1 stop23h 30m
WestJet
Deal found 30/4C$ 588
Fri 29/55:30 p.m.
ORD
-
YHM
1 stop22h 45m
WestJet
Sun 31/56:10 p.m.
YHM
-
ORD
1 stop23h 30m
WestJet
Deal found 30/4C$ 649
Sat 23/55:30 p.m.
ORD
-
YHM
2 stops27h 39m
Multiple Airlines
Mon 25/57:00 a.m.
YHM
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 26/4C$ 748
Sat 13/65:05 a.m.
ORD
-
YHM
1 stop9h 50m
Multiple Airlines
Sat 20/68:15 a.m.
YHM
-
ORD
1 stop16h 44m
Multiple Airlines
Deal found 29/4C$ 782
Tue 26/55:30 p.m.
ORD
-
YHM
2 stops27h 39m
Multiple Airlines
Tue 2/67:00 a.m.
YHM
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 26/4C$ 784
Tue 2/65:30 p.m.
ORD
-
YHM
1 stop28h 43m
Multiple Airlines
Tue 9/67:55 p.m.
YHM
-
ORD
1 stop21h 45m
Multiple Airlines
Deal found 30/4C$ 876
Sun 14/68:00 p.m.
ORD
-
YHM
2 stops18h 55m
Multiple Airlines
Sun 21/66:55 p.m.
YHM
-
ORD
1 stop22h 45m
Multiple Airlines
Deal found 30/4C$ 893

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 1 May 2026.

Round-trip from

C$ 558

One-way from

C$ 251

Popular in

April

Cheapest in

September

Average price

C$ 340
WestJet
  • WestJet
  • 26/5-28/5
  • 2 total stops
  • 46h 15m total
  • Chicago to Hamilton
Search Deals
WestJet
  • WestJet
  • 24/5
  • 1 total stop
  • 22h 45m total
  • Chicago to Hamilton
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 21 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).
Search Deals
Average for round-trip flights in May 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 1 May 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

Sun 24/5

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

1 stop22h 45m

Hamilton

Wed 27/5

6:10 p.m.-4:40 p.m.

1 stop23h 30m

C$ 588

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 26/5

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

1 stop22h 45m

Hamilton

Thu 28/5

6:10 p.m.-4:40 p.m.

1 stop23h 30m

C$ 591

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 29/5

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

1 stop22h 45m

Hamilton

Sun 31/5

6:10 p.m.-4:40 p.m.

1 stop23h 30m

C$ 649

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 23/5

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

2 stops27h 39m

Hamilton

Mon 25/5

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

2 stops34h 40m

C$ 810
Quickest round-trip

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 1/8

5:10 a.m.-3:55 p.m.

1 stop9h 45m

Hamilton

Sat 8/8

8:15 a.m.-11:08 p.m.

1 stop15h 53m

C$ 900

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 14/6

7:33 p.m.-3:55 p.m.

1 stop19h 22m

Hamilton

Sun 21/6

6:55 p.m.-4:40 p.m.

1 stop22h 45m

C$ 933

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 11/8

5:30 p.m.-3:08 p.m.

2 stops20h 38m

Hamilton

Thu 13/8

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

2 stops23h 55m

C$ 1,090

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 31/7

5:30 p.m.-9:43 a.m.

2 stops15h 13m

Hamilton

Mon 3/8

8:15 a.m.-11:59 p.m.

1 stop16h 44m

C$ 1,235

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 3/7

5:30 p.m.-8:25 p.m.

3 stops25h 55m

Hamilton

Thu 9/7

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

2 stops23h 55m

C$ 1,280

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 28/6

5:30 p.m.-8:30 p.m.

3 stops26h 00m

Hamilton

Thu 2/7

6:15 a.m.-4:40 p.m.

3 stops35h 25m

C$ 1,394

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 22 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.

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 22h 45m. WestJet provides one of the quickest options available for as low as C$ 588. 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.

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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