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Cheap flights from Illinois to Hamilton, ON from C$ 247

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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Hamilton

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Hamilton
Explore the most affordable flight options available from Illinois to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Fri 14/88:05 a.m.
ORD
-
YHM
1 stop30h 50m
Multiple Airlines
Fri 21/86:35 p.m.
YHM
-
ORD
2 stops43h 15m
Multiple Airlines
Deal found 30/6C$ 691
Thu 13/85:30 p.m.
ORD
-
YHM
3 stops26h 00m
Multiple Airlines
Thu 20/86:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Deal found 29/6C$ 759
Tue 18/85:30 p.m.
ORD
-
YHM
2 stops20h 24m
Multiple Airlines
Wed 26/89:50 a.m.
YHM
-
ORD
2 stops31h 50m
Multiple Airlines
Deal found 1/7C$ 768

Find flight deals from Illinois to Hamilton

Keep the following information in mind while searching for Illinois to Hamilton flight deals. Data was last updated 1 July 2026.

Round-trip from

C$ 691

One-way from

C$ 247

Popular in

April

Cheapest in

September

Average price

C$ 395
14/8-21/8
  • 14/8-21/8
  • 3 total stops
  • 74h 05m total
  • Illinois to Hamilton
Search Deals
14/8
  • 14/8
  • 1 total stop
  • 30h 50m total
  • Illinois to Hamilton
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 11 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 July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 July 2026.
Use the filters below to find and compare flights from Illinois 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

Tue 18/8

5:30 p.m.-2:54 p.m.

2 stops20h 24m

Hamilton

Wed 26/8

9:50 a.m.-4:40 p.m.

2 stops31h 50m

C$ 768

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 10/9

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

1 stop22h 45m

Hamilton

Mon 14/9

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

1 stop23h 30m

C$ 807

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 28/8

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

3 stops23h 00m

Hamilton

Mon 31/8

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

2 stops34h 40m

C$ 894

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 12/8

5:30 p.m.-2:54 p.m.

2 stops20h 24m

Hamilton

Sat 22/8

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

3 stops35h 25m

C$ 911

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 26/8

5:30 p.m.-2:54 p.m.

2 stops20h 24m

Hamilton

Mon 31/8

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

2 stops34h 40m

C$ 932
Quickest round-trip

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 14/8

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

3 stops23h 00m

Hamilton

Fri 21/8

7:00 a.m.-8:05 p.m.

2 stops14h 05m

C$ 991

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 18/8

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

3 stops26h 00m

Hamilton

Thu 27/8

9:50 a.m.-4:40 p.m.

2 stops31h 50m

C$ 1,031

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 8/9

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

1 stop22h 45m

Hamilton

Thu 10/9

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

1 stop23h 30m

C$ 1,053

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 11/9

5:30 p.m.-11:15 p.m.

3 stops28h 45m

Hamilton

Mon 14/9

3:50 p.m.-4:40 p.m.

3 stops25h 50m

C$ 1,076

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 8/10

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

1 stop22h 45m

Hamilton

Wed 14/10

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

1 stop23h 30m

C$ 1,083

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Illinois 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 Illinois to Hamilton
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    For a flight from Illinois to Hamilton, you will be flying into Hamilton. Hamilton (YHM) is just 10.9 km from the centre of the city.

  • How long is the flight from Illinois to Hamilton, Ontario?

    For as low as C$ 807, WestJet can have you in Hamilton, Ontario from Illinois in 22h 45m. Illinois and Hamilton, Ontario are separated by a distance of 666 km.

  • Can I find deals for flights from Illinois to Hamilton that include hotel bookings?

    Yes. In addition to deals on Illinois to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Hamilton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Hamilton.

  • Can I find deals for business class flights from Illinois to Hamilton?

    Yes. Cheapflights offers flight deals from Illinois 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 for Illinois to Hamilton

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