Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Hamilton, Ontario to Illinois from C$ 186

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hamilton, Ontario to Illinois departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Hamilton, Ontario to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 a.m. - 2:21 p.m.YHM-ORD
8h 21m1 stop
Multiple Airlines Logo
5:00 a.m. - 3:00 p.m.ORD-YHM
9h 00m1 stop
C$ 423Multiple Airlines
Find Deal
Fri, 12 Dec - Wed, 17 Dec
Multiple Airlines Logo
7:00 a.m. - 9:23 p.m.YHM-ORD
15h 23m1 stop
Multiple Airlines Logo
6:05 a.m. - 8:59 p.m.ORD-YHM
13h 54m2 stops
C$ 450Multiple Airlines
Find Deal
Fri, 6 Feb - Sun, 8 Feb
Multiple Airlines Logo
7:25 a.m. - 12:09 a.m.YHM-ORD
17h 44m1 stop
Multiple Airlines Logo
5:00 a.m. - 3:00 p.m.ORD-YHM
9h 00m1 stop
C$ 467Multiple Airlines
Find Deal
Sat, 13 Dec - Mon, 15 Dec
Multiple Airlines Logo
7:00 a.m. - 11:05 p.m.YHM-ORD
17h 05m2 stops
Multiple Airlines Logo
6:05 a.m. - 8:59 p.m.ORD-YHM
13h 54m2 stops
C$ 506Multiple Airlines
Find Deal
Fri, 6 Feb - Sun, 8 Feb
Multiple Airlines Logo
7:25 a.m. - 12:30 a.m.YHM-ORD
18h 05m1 stop
Multiple Airlines Logo
7:57 p.m. - 3:00 p.m.ORD-YHM
18h 03m2 stops
C$ 511Multiple Airlines
Find Deal
Wed, 24 Dec - Tue, 30 Dec
Multiple Airlines Logo
7:00 a.m. - 2:21 p.m.YHM-ORD
8h 21m1 stop
Multiple Airlines Logo
7:20 a.m. - 8:59 p.m.ORD-YHM
12h 39m2 stops
C$ 528Multiple Airlines
Find Deal
Fri, 12 Dec - Sun, 14 Dec
Multiple Airlines Logo
7:00 a.m. - 5:04 p.m.YHM-ORD
11h 04m1 stop
Multiple Airlines Logo
6:05 a.m. - 2:20 p.m.ORD-YHM
7h 15m1 stop
C$ 541Multiple Airlines
Find Deal
Fri, 6 Feb - Sun, 8 Feb
Multiple Airlines Logo
7:25 a.m. - 9:48 p.m.YHM-ORD
15h 23m2 stops
Multiple Airlines Logo
5:00 a.m. - 3:00 p.m.ORD-YHM
9h 00m1 stop
C$ 548Multiple Airlines
Find Deal
Sat, 13 Dec - Mon, 15 Dec
Multiple Airlines Logo
7:25 a.m. - 12:09 a.m.YHM-ORD
17h 44m1 stop
Multiple Airlines Logo
5:00 a.m. - 3:00 p.m.ORD-YHM
9h 00m1 stop
C$ 569Multiple Airlines
Find Deal
Sun, 14 Dec - Sun, 21 Dec
Multiple Airlines Logo
7:25 a.m. - 8:01 p.m.YHM-ORD
13h 36m1 stop
Multiple Airlines Logo
5:00 a.m. - 3:00 p.m.ORD-YHM
9h 00m1 stop
C$ 591Multiple Airlines
Find Deal
Mon, 15 Dec - Mon, 22 Dec

momondo Fare Finder

 
Customize your flight search to find flights from Hamilton, Ontario 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, momondo users made 96,600 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Hamilton, Ontario to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/12

7:00 a.m.-2:21 p.m.

1 stop8h 21m

Chicago O'Hare Intl

Wed 17/12

5:00 a.m.-3:00 p.m.

1 stop9h 00m

C$ 423

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 6/2

7:00 a.m.-9:23 p.m.

1 stop15h 23m

Chicago O'Hare Intl

Sun 8/2

6:05 a.m.-8:59 p.m.

2 stops13h 54m

C$ 450

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 13/12

7:25 a.m.-12:09 a.m.

1 stop17h 44m

Chicago O'Hare Intl

Mon 15/12

5:00 a.m.-3:00 p.m.

1 stop9h 00m

C$ 467

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 6/2

7:00 a.m.-11:05 p.m.

2 stops17h 05m

Chicago O'Hare Intl

Sun 8/2

6:05 a.m.-8:59 p.m.

2 stops13h 54m

C$ 506

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 24/12

7:25 a.m.-12:30 a.m.

1 stop18h 05m

Chicago O'Hare Intl

Tue 30/12

7:57 p.m.-3:00 p.m.

2 stops18h 03m

C$ 511

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/12

7:00 a.m.-2:21 p.m.

1 stop8h 21m

Chicago O'Hare Intl

Sun 14/12

7:20 a.m.-8:59 p.m.

2 stops12h 39m

C$ 528

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 6/2

7:00 a.m.-5:04 p.m.

1 stop11h 04m

Chicago O'Hare Intl

Sun 8/2

6:05 a.m.-2:20 p.m.

1 stop7h 15m

C$ 541

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 13/12

7:25 a.m.-9:48 p.m.

2 stops15h 23m

Chicago O'Hare Intl

Mon 15/12

5:00 a.m.-3:00 p.m.

1 stop9h 00m

C$ 548

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 14/12

7:25 a.m.-12:09 a.m.

1 stop17h 44m

Chicago O'Hare Intl

Sun 21/12

5:00 a.m.-3:00 p.m.

1 stop9h 00m

C$ 569

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Mon 15/12

7:25 a.m.-8:01 p.m.

1 stop13h 36m

Chicago O'Hare Intl

Mon 22/12

5:00 a.m.-3:00 p.m.

1 stop9h 00m

C$ 591

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

How to get the cheapest flight ticket from Hamilton, Ontario to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

In general, September is the cheapest month to fly from Hamilton, Ontario to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 249. If you don’t want to visit Illinois in September, then you should wait until June to fly from Hamilton, Ontario, when ticket prices are also cheap, with an average price of C$ 312.

What is the cheapest day to depart on your flight to Illinois?

According to our data, Sunday is the cheapest day to fly to Illinois from Hamilton, Ontario. The lowest ticket price found for a Sunday departure recently was C$ 361. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Tuesday, with ticket prices averaging around C$ 587.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Hamilton, Ontario to Illinois during this time can be as low as C$ 376. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 525 on average. Flights to Illinois from Hamilton, Ontario in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap Hamilton, Ontario to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hamilton, Ontario to Illinois

Direct flights

None
There are no direct flights from Hamilton, Ontario to Illinois. There are no popular flight routes from Hamilton, Ontario to Illinois.
Search flight deals

  • When did momondo last update prices for flights from Hamilton Airport to Illinois?

    Prices for flights from Hamilton Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from Hamilton Airport to Illinois?

  • How old do you have to be to fly from Hamilton Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hamilton Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Hamilton, Ontario to Illinois

Compare and see reviews for airlines that fly from Hamilton, Ontario to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 308Free CancellationRating
7.1
10,392 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Hamilton to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Hamilton.

Can I find flights from Hamilton to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Hamilton to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Hamilton to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Hamilton. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Hamilton to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Hamilton to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/12
Wed 10/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to Fort Lauderdalefrom C$ 163
Flights to Orlandofrom C$ 182
Flights to New Yorkfrom C$ 268
Flights to Las Vegasfrom C$ 151
Flights to Los Angelesfrom C$ 160
Flights to Miamifrom C$ 284
Flights to San Franciscofrom C$ 146
Flights to Honolulufrom C$ 318
Flights to Phoenixfrom C$ 164
Flights to Tampafrom C$ 226
Flights to Chicagofrom C$ 181
Flights to Houstonfrom C$ 242