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Cheap flights from Illinois to Hamilton, ON from C$ 163

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
14 Sep — 21 Sep1
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 15 August 2026.

Mon 28/95:30 p.m. -
2 stops25h 04m
Mon 5/106:55 p.m. -
1 stop22h 45m
Deal found 14/8C$ 681
Thu 24/97:28 p.m. -
2 stops43h 27m
Thu 1/106:55 p.m. -
1 stop22h 45m
Deal found 10/8C$ 707
Sun 27/95:30 p.m. -
3 stops23h 05m
Sun 4/106:05 a.m. -
3 stops35h 35m
Deal found 13/8C$ 742
Tue 8/95:30 p.m. -
3 stops23h 05m
Thu 10/96:05 a.m. -
3 stops35h 35m
Deal found 13/8C$ 753
Sun 11/105:30 p.m. -
1 stop22h 45m
Wed 14/106:10 p.m. -
1 stop23h 30m
Deal found 11/8C$ 758

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 15 August 2026.

Round-trip from

C$ 681

One-way from

C$ 163

Popular in

April

Cheapest in

March

Average price

C$ 431
28/9-5/10
  • 28/9-5/10
  • 3 total stops
  • 47h 49m total
  • Illinois to Hamilton
Search Deals
18/9
  • 18/9
  • 1 total stop
  • 31h 44m total
  • Illinois to Hamilton
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 15 August 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 Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 27/9

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

3 stops23h 05m

Hamilton

Sun 4/10

3:45 p.m.-4:40 p.m.

3 stops25h 55m

C$ 767

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Tue 15/9

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

2 stops20h 35m

Hamilton

Mon 21/9

6:55 p.m.-10:15 a.m.

2 stops16h 20m

C$ 811

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Thu 10/9

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

2 stops20h 35m

Hamilton

Mon 14/9

6:55 p.m.-10:15 a.m.

2 stops16h 20m

C$ 825

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Thu 24/9

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

3 stops23h 05m

Hamilton

Thu 1/10

7:25 a.m.-4:40 p.m.

2 stops34h 15m

C$ 1,000
Quickest round-trip

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Thu 10/9

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

3 stops23h 05m

Hamilton

Sun 13/9

6:05 a.m.-4:35 p.m.

2 stops11h 30m

C$ 1,056
Cheapest one-way

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Tue 8/9

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

3 stops23h 05m

C$ 346

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Tue 22/9

5:30 p.m.-10:25 p.m.

2 stops27h 55m

C$ 364

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 14/9

5:30 p.m.-7:34 p.m.

2 stops25h 04m

C$ 381

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

C$ 383
Quickest one-way

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sat 12/9

11:05 a.m.-10:25 p.m.

1 stop10h 20m

C$ 396

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
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Atlanta to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Philadelphia to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Reagan-National to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Midway to Pearson Intl flights
Ontario to Pearson Intl flights
San Diego to Pearson Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
Denver to Pearson Intl flights
Midway to Toronto Island flights
Minneapolis to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights

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Can Cheapflights find flights from Illinois to Hamilton with no change fees?

Yes, we can. To see specific flights from Illinois to Hamilton with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Illinois to Hamilton become cheaper?

Yes! Start tracking prices for Illinois to Hamilton flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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