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Cheap flights from Illinois to Hamilton, ON from C$ 313

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
9 Jun — 16 Jun1
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 10 May 2026.

Tue 2/65:30 p.m.
ORD
-
YHM
2 stops27h 39m
Multiple Airlines
Tue 9/67:00 a.m.
YHM
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 5/5C$ 831
Wed 27/57:40 a.m.
ORD
-
YHM
2 stops38h 38m
Multiple Airlines
Tue 2/67:55 p.m.
YHM
-
ORD
1 stop21h 45m
Multiple Airlines
Deal found 8/5C$ 893
Fri 5/67:07 p.m.
ORD
-
YHM
2 stops19h 48m
Multiple Airlines
Mon 8/67:00 a.m.
YHM
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 9/5C$ 919
Thu 4/65:30 p.m.
ORD
-
YHM
1 stop28h 43m
Multiple Airlines
Thu 11/68:30 p.m.
YHM
-
ORD
1 stop21h 10m
Multiple Airlines
Deal found 5/5C$ 926
Sun 21/61:29 p.m.
ORD
-
YHM
2 stops25h 26m
Multiple Airlines
Sun 28/66:10 p.m.
YHM
-
ORD
1 stop23h 30m
Multiple Airlines
Deal found 7/5C$ 927
Tue 2/65:30 p.m.
ORD
-
YHM
2 stops27h 39m
Multiple Airlines
Thu 4/67:00 a.m.
YHM
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 7/5C$ 979
Thu 27/85:30 p.m.
ORD
-
YHM
3 stops22h 55m
Multiple Airlines
Sun 30/86:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Deal found 6/5C$ 1,021

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 10 May 2026.

Round-trip from

C$ 831

One-way from

C$ 313

Popular in

April

Cheapest in

September

Average price

C$ 366
2/6-9/6
  • 2/6-9/6
  • 4 total stops
  • 62h 19m total
  • Illinois to Hamilton
Search Deals
19/6
  • 19/6
  • 2 total stops
  • 25h 26m total
  • Illinois 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$ 10 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 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 10 May 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

Sat 30/5

12:30 p.m.-10:09 p.m.

3 stops32h 39m

Hamilton

Tue 2/6

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

2 stops34h 40m

C$ 1,136

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 11/8

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

3 stops25h 55m

Hamilton

Thu 13/8

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

3 stops35h 25m

C$ 1,266

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 23/5

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

2 stops28h 04m

Hamilton

Mon 25/5

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

2 stops23h 55m

C$ 1,344

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 26/6

11:30 a.m.-9:43 a.m.

3 stops21h 13m

Hamilton

Sun 28/6

1:55 p.m.-4:40 p.m.

2 stops27h 45m

C$ 1,371
Quickest round-trip

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 23/6

3:40 p.m.-9:43 a.m.

2 stops17h 03m

Hamilton

Tue 30/6

6:35 p.m.-10:16 a.m.

2 stops16h 41m

C$ 1,371

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 24/7

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

3 stops25h 55m

Hamilton

Wed 29/7

8:50 a.m.-4:40 p.m.

2 stops32h 50m

C$ 1,432

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sun 21/6

10:40 a.m.-7:39 p.m.

1 stop7h 59m

Hamilton

Sun 28/6

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

3 stops25h 50m

C$ 1,490

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Mon 1/6

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

2 stops28h 04m

Hamilton

Thu 4/6

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

2 stops23h 55m

C$ 1,510

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 22/5

6:24 a.m.-10:09 p.m.

2 stops14h 45m

Hamilton

Mon 25/5

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

2 stops34h 40m

C$ 1,572

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 9/7

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

2 stops28h 04m

Hamilton

Tue 21/7

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

2 stops23h 55m

C$ 1,582

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 20 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

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