Which airlines fly to Illinois?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Illinois from Hamilton, Ontario according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Hamilton to Illinois?

WestJet is the most popular carrier operating from Hamilton to Illinois

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?

The number of operators available for flights from Hamilton Airport to Illinois is 1 as of July 2025.

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.

C$ 231 Cheap Flights from Hamilton to Illinois in 2025

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Hamilton, Ontario to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 a.m. - 4:43 p.m.YHM-ORD

11h 43m1 stop

2:20 p.m. - 5:17 p.m.ORD-YHM

25h 57m1 stop

C$ 468WestJet

Find Deal

Sun, 19 Oct - Sun, 26 Oct

2:55 p.m. - 4:43 p.m.YHM-ORD

26h 48m2 stops

5:30 p.m. - 11:48 p.m.ORD-YHM

29h 18m2 stops

C$ 612

Find Deal

Thu, 11 Sep - Thu, 18 Sep

6:00 a.m. - 4:43 p.m.YHM-ORD

11h 43m1 stop

5:30 p.m. - 11:48 p.m.ORD-YHM

29h 18m2 stops

C$ 623

Find Deal

Thu, 11 Sep - Thu, 18 Sep

6:00 a.m. - 4:43 p.m.YHM-ORD

11h 43m1 stop

5:30 p.m. - 11:48 p.m.ORD-YHM

29h 18m2 stops

C$ 637

Find Deal

Fri, 12 Sep - Fri, 19 Sep

2:55 p.m. - 4:43 p.m.YHM-ORD

26h 48m2 stops

5:30 p.m. - 11:48 p.m.ORD-YHM

29h 18m2 stops

C$ 650

Find Deal

Fri, 12 Sep - Fri, 19 Sep

6:00 a.m. - 4:49 a.m.YHM-ORD

23h 49m3 stops

5:30 p.m. - 11:48 p.m.ORD-YHM

29h 18m2 stops

C$ 699

Find Deal

Thu, 11 Sep - Thu, 18 Sep

2:55 p.m. - 4:43 p.m.YHM-ORD

26h 48m2 stops

12:54 p.m. - 12:40 a.m.ORD-YHM

34h 46m3 stops

C$ 709

Find Deal

Fri, 12 Sep - Fri, 19 Sep

6:00 a.m. - 4:49 a.m.YHM-ORD

23h 49m3 stops

8:56 p.m. - 12:40 a.m.ORD-YHM

26h 44m3 stops

C$ 746

Find Deal

Thu, 11 Sep - Thu, 18 Sep

6:00 a.m. - 4:50 a.m.YHM-ORD

23h 50m3 stops

6:00 a.m. - 12:41 a.m.ORD-YHM

17h 41m3 stops

C$ 779

Find Deal

Fri, 29 Aug - Sun, 31 Aug

5:45 p.m. - 4:43 p.m.YHM-ORD

23h 58m3 stops

12:54 p.m. - 12:40 a.m.ORD-YHM

34h 46m3 stops

C$ 804

Find Deal

Fri, 12 Sep - Fri, 19 Sep

WestJet flights from Hamilton, Ontario to Illinois

Our best WestJet deals on Hamilton, Ontario to Illinois flight tickets

WestJet

19 Oct

YHM6:00 a.m.Hamilton

11h 43m

1 stop

ORD4:43 p.m.Chicago O'Hare Intl

26 Oct

ORD2:20 p.m.Chicago O'Hare Intl

25h 57m

1 stop

YHM5:17 p.m.Hamilton

C$ 468

Find similar

WestJet

8 Aug

YHM6:00 a.m.Hamilton

16h 34m

2 stops

ORD9:34 p.m.Chicago O'Hare Intl

11 Aug

ORD11:00 a.m.Chicago O'Hare Intl

12h 41m

2 stops

YHM12:41 a.m.Hamilton

C$ 2,462

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 19/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

Chicago O'Hare Intl

Sun 26/10

2:20 p.m.-5:17 p.m.

1 stop25h 57m

C$ 468

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 11/9

2:55 p.m.-4:43 p.m.

2 stops26h 48m

Chicago O'Hare Intl

Thu 18/9

5:30 p.m.-11:48 p.m.

2 stops29h 18m

C$ 612

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 11/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

Chicago O'Hare Intl

Thu 18/9

5:30 p.m.-11:48 p.m.

2 stops29h 18m

C$ 623

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

Chicago O'Hare Intl

Fri 19/9

5:30 p.m.-11:48 p.m.

2 stops29h 18m

C$ 637

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/9

2:55 p.m.-4:43 p.m.

2 stops26h 48m

Chicago O'Hare Intl

Fri 19/9

5:30 p.m.-11:48 p.m.

2 stops29h 18m

C$ 650

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 11/9

6:00 a.m.-4:49 a.m.

3 stops23h 49m

Chicago O'Hare Intl

Thu 18/9

5:30 p.m.-11:48 p.m.

2 stops29h 18m

C$ 699

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/9

2:55 p.m.-4:43 p.m.

2 stops26h 48m

Chicago O'Hare Intl

Fri 19/9

12:54 p.m.-12:40 a.m.

3 stops34h 46m

C$ 709

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 11/9

6:00 a.m.-4:49 a.m.

3 stops23h 49m

Chicago O'Hare Intl

Thu 18/9

8:56 p.m.-12:40 a.m.

3 stops26h 44m

C$ 746

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 29/8

6:00 a.m.-4:50 a.m.

3 stops23h 50m

Chicago O'Hare Intl

Sun 31/8

6:00 a.m.-12:41 a.m.

3 stops17h 41m

C$ 779

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/9

5:45 p.m.-4:43 p.m.

3 stops23h 58m

Chicago O'Hare Intl

Fri 19/9

12:54 p.m.-12:40 a.m.

3 stops34h 46m

C$ 804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

In general, June 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$ 310. If you don’t want to visit Illinois in June, then you should wait until April to fly from Hamilton, Ontario, when ticket prices are also cheap, with an average price of C$ 335.

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$ 356. 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$ 580.

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$ 372. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 518 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

Best price found	C$ 231
Fastest flight time	11h 43m
Direct flights	None
Airports in Illinois	1 airport

The best one-way flight to Illinois from Hamilton, Ontario in the past 72 hours is C$ 231. The best round-trip flight deal from Hamilton, Ontario to Illinois found on momondo in the last 72 hours is C$ 468.

The fastest flight from Hamilton, Ontario to Illinois takes 11h 43m

There are no direct flights from Hamilton, Ontario to Illinois. Popular non-direct route for this connection is Hamilton Airport - Chicago O'Hare Intl Airport.

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

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?
The number of operators available for flights from Hamilton Airport to Illinois is 1 as of July 2025.
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 Canada	PriceFrom C$ 305	Free Cancellation	Rating 7.1 9,851 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.