What airlines fly to Illinois?

Air Canada, United Airlines and American 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 49% of people opting to fly with this airline when traveling 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?

Air Canada and WestJet are the most popular carriers 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 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$133 Cheap Flights from Hamilton to Illinois in 2025/26

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Find the cheapest flights from Hamilton, Ontario to Illinois

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 2:21 pmYHM-ORD

8h 21m1 stop

5:00 am - 3:00 pmORD-YHM

9h 00m1 stop

$302Multiple Airlines

Find Deal

Fri, Dec 12 - Wed, Dec 17

7:00 am - 9:23 pmYHM-ORD

15h 23m1 stop

6:05 am - 8:59 pmORD-YHM

13h 54m2 stops

$321Multiple Airlines

Find Deal

Fri, Feb 6 - Sun, Feb 8

7:25 am - 12:09 amYHM-ORD

17h 44m1 stop

5:00 am - 3:00 pmORD-YHM

9h 00m1 stop

$333Multiple Airlines

Find Deal

Sat, Dec 13 - Mon, Dec 15

7:00 am - 11:05 pmYHM-ORD

17h 05m2 stops

6:05 am - 8:59 pmORD-YHM

13h 54m2 stops

$361Multiple Airlines

Find Deal

Fri, Feb 6 - Sun, Feb 8

7:25 am - 12:30 amYHM-ORD

18h 05m1 stop

7:57 pm - 3:00 pmORD-YHM

18h 03m2 stops

$365Multiple Airlines

Find Deal

Wed, Dec 24 - Tue, Dec 30

7:00 am - 2:21 pmYHM-ORD

8h 21m1 stop

7:20 am - 8:59 pmORD-YHM

12h 39m2 stops

$377Multiple Airlines

Find Deal

Fri, Dec 12 - Sun, Dec 14

7:00 am - 5:04 pmYHM-ORD

11h 04m1 stop

6:05 am - 2:20 pmORD-YHM

7h 15m1 stop

$386Multiple Airlines

Find Deal

Fri, Feb 6 - Sun, Feb 8

7:25 am - 9:48 pmYHM-ORD

15h 23m2 stops

5:00 am - 3:00 pmORD-YHM

9h 00m1 stop

$391Multiple Airlines

Find Deal

Sat, Dec 13 - Mon, Dec 15

7:25 am - 12:09 amYHM-ORD

17h 44m1 stop

5:00 am - 3:00 pmORD-YHM

9h 00m1 stop

$406Multiple Airlines

Find Deal

Sun, Dec 14 - Sun, Dec 21

7:25 am - 8:01 pmYHM-ORD

13h 36m1 stop

5:00 am - 3:00 pmORD-YHM

9h 00m1 stop

$422Multiple Airlines

Find Deal

Mon, Dec 15 - Mon, Dec 22

momondo Fare Finder

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 am-2:21 pm

1 stop8h 21m

Chicago O'Hare Intl

Wed 12/17

5:00 am-3:00 pm

1 stop9h 00m

$302

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 2/6

7:00 am-9:23 pm

1 stop15h 23m

Chicago O'Hare Intl

Sun 2/8

6:05 am-8:59 pm

2 stops13h 54m

$321

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 12/13

7:25 am-12:09 am

1 stop17h 44m

Chicago O'Hare Intl

Mon 12/15

5:00 am-3:00 pm

1 stop9h 00m

$333

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 2/6

7:00 am-11:05 pm

2 stops17h 05m

Chicago O'Hare Intl

Sun 2/8

6:05 am-8:59 pm

2 stops13h 54m

$361

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 12/24

7:25 am-12:30 am

1 stop18h 05m

Chicago O'Hare Intl

Tue 12/30

7:57 pm-3:00 pm

2 stops18h 03m

$365

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 12/12

7:00 am-2:21 pm

1 stop8h 21m

Chicago O'Hare Intl

Sun 12/14

7:20 am-8:59 pm

2 stops12h 39m

$377

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 2/6

7:00 am-5:04 pm

1 stop11h 04m

Chicago O'Hare Intl

Sun 2/8

6:05 am-2:20 pm

1 stop7h 15m

$386

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 12/13

7:25 am-9:48 pm

2 stops15h 23m

Chicago O'Hare Intl

Mon 12/15

5:00 am-3:00 pm

1 stop9h 00m

$391

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 12/14

7:25 am-12:09 am

1 stop17h 44m

Chicago O'Hare Intl

Sun 12/21

5:00 am-3:00 pm

1 stop9h 00m

$406

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Mon 12/15

7:25 am-8:01 pm

1 stop13h 36m

Chicago O'Hare Intl

Mon 12/22

5:00 am-3:00 pm

1 stop9h 00m

$422

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?

The cheapest month to fly to Illinois from Hamilton, Ontario is in September. Flight prices, which tend to average around $178, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $223.

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

The cheapest day to depart from Hamilton, Ontario to Illinois is on a Wednesday when prices can be found for as low as $253. Flights from Hamilton, Ontario to Illinois on a Thursday will generally be more expensive and average around $265. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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.

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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 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Hamilton to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Illinois from Hamilton with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hamilton to Illinois.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Hamilton and alert you when they change.