Find flights
When to book
Airlines
FAQs

Cheap flights from Hamilton, ON to Illinois from C$ 216

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hamilton to Illinois

Enter your travel dates to find the best prices.

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

Sat 11/78:15 a.m.
YHM
-
ORD
1 stop29h 00m
Multiple Airlines
Sun 12/78:52 p.m.
ORD
-
YHM
2 stops18h 03m
Multiple Airlines
Deal found 27/6C$ 733
Wed 26/86:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Fri 28/85:30 p.m.
ORD
-
YHM
3 stops26h 00m
Multiple Airlines
Deal found 26/6C$ 762
Sat 5/96:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Tue 8/95:30 p.m.
ORD
-
YHM
3 stops22h 55m
Multiple Airlines
Deal found 29/6C$ 805
Fri 4/97:00 a.m.
YHM
-
ORD
2 stops34h 40m
Multiple Airlines
Sun 6/95:30 p.m.
ORD
-
YHM
3 stops22h 55m
Multiple Airlines
Deal found 26/6C$ 820
Thu 3/96:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Tue 8/95:30 p.m.
ORD
-
YHM
3 stops22h 55m
Multiple Airlines
Deal found 30/6C$ 830
Thu 20/89:50 a.m.
YHM
-
ORD
2 stops31h 50m
Multiple Airlines
Sun 23/85:30 p.m.
ORD
-
YHM
3 stops23h 00m
Multiple Airlines
Deal found 28/6C$ 851
Fri 4/96:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Tue 8/95:30 p.m.
ORD
-
YHM
3 stops22h 55m
Multiple Airlines
Deal found 29/6C$ 871
Sat 15/86:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Tue 18/85:30 p.m.
ORD
-
YHM
3 stops23h 00m
Multiple Airlines
Deal found 29/6C$ 913

Find flight deals from Hamilton to Illinois

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

Round-trip from

C$ 733

One-way from

C$ 216

Popular in

June

Cheapest in

September

Average price

C$ 372
11/7-12/7
  • 11/7-12/7
  • 3 total stops
  • 47h 03m total
  • Hamilton to Illinois
Search Deals
24/8
  • 24/8
  • 1 total stop
  • 29h 35m total
  • Hamilton to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 26 potential increase over avg. RT price).
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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to Illinois 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 Hamilton to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 26/8

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

3 stops35h 25m

Chicago O'Hare Intl

Fri 28/8

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

3 stops26h 00m

C$ 762

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 20/8

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

2 stops31h 50m

Chicago O'Hare Intl

Sun 23/8

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

3 stops23h 00m

C$ 851

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 10/9

6:55 p.m.-10:17 a.m.

2 stops16h 22m

Chicago O'Hare Intl

Sat 12/9

7:54 p.m.-11:15 p.m.

3 stops26h 21m

C$ 1,033

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 14/7

7:00 a.m.-9:52 p.m.

2 stops15h 52m

Chicago O'Hare Intl

Fri 17/7

8:05 a.m.-3:55 p.m.

1 stop30h 50m

C$ 1,069

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 15/8

7:00 a.m.-5:29 p.m.

3 stops35h 29m

Chicago O'Hare Intl

Tue 18/8

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

3 stops26h 00m

C$ 1,069

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 4/9

8:35 p.m.-4:40 p.m.

2 stops21h 05m

Chicago O'Hare Intl

Tue 8/9

5:30 p.m.-6:00 p.m.

2 stops23h 30m

C$ 1,076

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 10/9

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

3 stops25h 50m

Chicago O'Hare Intl

Thu 24/9

5:30 p.m.-6:00 p.m.

2 stops23h 30m

C$ 1,089
Quickest round-trip

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 11/7

6:10 a.m.-2:55 p.m.

1 stop9h 45m

Chicago O'Hare Intl

Sun 12/7

7:10 a.m.-5:25 p.m.

1 stop9h 15m

C$ 1,174

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 29/7

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

1 stop22h 45m

Chicago O'Hare Intl

Sun 2/8

5:30 p.m.-11:13 p.m.

1 stop28h 43m

C$ 1,259

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 16/7

8:50 a.m.-6:43 p.m.

1 stop10h 53m

Chicago O'Hare Intl

Sun 19/7

8:45 a.m.-7:39 p.m.

2 stops9h 54m

C$ 1,328

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Hamilton to Illinois

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 1 July 2026.
Read reviews from past customers who have flown Air Canada from Hamilton to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,283 reviews
Check prices

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
11,283 reviews
Air Canada
7.1
Good
11,283 reviews
Check prices

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from Hamilton to Illinois. 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 from for flights from Hamilton to Illinois?

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to Illinois 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hamilton to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Hobby flights
Pearson Intl to Newark flights
Toronto Island to Newark flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to LaGuardia flights
Toronto Island to LaGuardia flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Toronto Island to John F Kennedy Intl flights
Pearson Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Hobby flights
Pearson Intl to Los Angeles flights
Pearson Intl to Orlando flights
Pearson Intl to Miami flights
Pearson Intl to Las Vegas flights
Hamilton to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to San Francisco flights
Pearson Intl to Seattle flights
Toronto Island to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pearson Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Orlando flights
Hamilton to Hobby flights
Pearson Intl to Boston flights
Hamilton to George Bush Intcntl flights
Pearson Intl to Nashville flights
Toronto Island to Boston flights
Toronto Island to Orlando flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Midway flights
Pearson Intl to Atlanta flights
Pearson Intl to Ontario flights
Toronto Island to Dulles Intl flights
Pearson Intl to Philadelphia flights
Toronto Island to O'Hare Intl flights
Toronto Island to Midway flights
Pearson Intl to San Diego flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights

Top airline flying from Hamilton to Illinois

Discover the top airline that operate flights from Hamilton to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 275AverageC$ 529FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hamilton to Illinois?

Deals for Hamilton to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Hamilton to Illinois?

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 Illinois from Hamilton.

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

Yes! Cheapflights helps users easily find flights from Hamilton to Illinois with no change fees.

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

Yes! Start tracking prices for Hamilton to Illinois 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.