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Cheap flights from Illinois to Toronto from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Toronto departing on 9/18. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 pm - 7:34 pmORD  Chicago O'Hare Intl-YHM Hamilton
25h 04m2 stops Calgary Winnipeg
Multiple Airlines Logo
6:55 pm - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
$490Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:30 pm - 11:13 pmORD  Chicago O'Hare Intl-YHM Hamilton
28h 43m1 stop Calgary
Multiple Airlines Logo
7:00 am - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
$492Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
7:28 pm - 3:55 pmORD  Chicago O'Hare Intl-YHM Hamilton
43h 27m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
6:55 pm - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
$509Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
5:30 pm - 10:25 pmORD  Chicago O'Hare Intl-YHM Hamilton
27h 55m3 stops Calgary Winnipeg Montreal St Hubert
Multiple Airlines Logo
7:00 am - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
$526Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:30 pm - 3:05 pmORD  Chicago O'Hare Intl-YHM Hamilton
20h 35m2 stops Calgary Ottawa
Multiple Airlines Logo
7:00 am - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
$531Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:30 pm - 11:13 pmORD  Chicago O'Hare Intl-YHM Hamilton
28h 43m1 stop Calgary
Multiple Airlines Logo
6:55 pm - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
$532Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:30 pm - 5:35 pmORD  Chicago O'Hare Intl-YHM Hamilton
23h 05m3 stops Calgary Winnipeg Montreal St Hubert
Multiple Airlines Logo
6:05 am - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
35h 35m3 stops Montreal St Hubert Winnipeg Calgary
$534Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
5:30 pm - 11:13 pmORD  Chicago O'Hare Intl-YHM Hamilton
28h 43m1 stop Calgary
Multiple Airlines Logo
6:55 pm - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
$535Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:30 pm - 6:00 pmORD  Chicago O'Hare Intl-YHM Hamilton
23h 30m2 stops Calgary Vancouver Intl
Multiple Airlines Logo
6:55 pm - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
$537Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
5:30 pm - 10:25 pmORD  Chicago O'Hare Intl-YHM Hamilton
27h 55m3 stops Calgary Edmonton Montreal St Hubert
Multiple Airlines Logo
5:45 pm - 4:40 pmYHM  Hamilton-ORD Chicago O'Hare Intl
23h 55m2 stops Edmonton Calgary
$539Multiple Airlines
Sun, Sep 27 - Sun, Oct 4

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WestJet flights from Illinois to Hamilton, Ontario

Our best WestJet deals on Illinois to Hamilton, Ontario flight tickets
WestJet
Oct 1
ORD5:30 pmChicago O'Hare Intl
22h 45m
1 stop
YHM5:15 pmHamilton
Oct 4
YHM6:10 pmHamilton
23h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$538
WestJet
Oct 11
ORD5:30 pmChicago O'Hare Intl
22h 45m
1 stop
YHM5:15 pmHamilton
Oct 14
YHM6:10 pmHamilton
23h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$546
WestJet
Sep 10
ORD5:30 pmChicago O'Hare Intl
22h 45m
1 stop
YHM5:15 pmHamilton
Sep 14
YHM6:10 pmHamilton
23h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$560

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Hamilton, Ontario 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 832,500 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Illinois to Hamilton, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 9/28

5:30 pm-7:34 pm

2 stops25h 04m

Hamilton

Mon 10/5

6:55 pm-4:40 pm

1 stop22h 45m

$490

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 9/28

5:30 pm-11:13 pm

1 stop28h 43m

Hamilton

Mon 10/5

7:00 am-4:40 pm

2 stops34h 40m

$492

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Thu 9/24

7:28 pm-3:55 pm

2 stops43h 27m

Hamilton

Thu 10/1

6:55 pm-4:40 pm

1 stop22h 45m

$509

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 9/28

5:30 pm-10:25 pm

3 stops27h 55m

Hamilton

Mon 10/5

7:00 am-4:40 pm

2 stops34h 40m

$526

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 9/28

5:30 pm-3:05 pm

2 stops20h 35m

Hamilton

Mon 10/5

7:00 am-4:40 pm

2 stops34h 40m

$531

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 9/28

5:30 pm-11:13 pm

1 stop28h 43m

Hamilton

Mon 10/5

6:55 pm-4:40 pm

1 stop22h 45m

$532

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 9/27

5:30 pm-5:35 pm

3 stops23h 05m

Hamilton

Sun 10/4

6:05 am-4:40 pm

3 stops35h 35m

$534

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 9/28

5:30 pm-11:13 pm

1 stop28h 43m

Hamilton

Mon 10/5

6:55 pm-4:40 pm

1 stop22h 45m

$535
Quickest round-trip

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 9/27

5:30 pm-6:00 pm

2 stops23h 30m

Hamilton

Sun 10/4

6:55 pm-4:40 pm

1 stop22h 45m

$537

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 9/27

5:30 pm-10:25 pm

3 stops27h 55m

Hamilton

Sun 10/4

5:45 pm-4:40 pm

2 stops23h 55m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Toronto from

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

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 airlines fly to Hamilton, Ontario?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Hamilton, Ontario from Illinois according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Hamilton, Ontario. Keep in mind that there are 7 different airlines that fly to Hamilton, Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Hamilton, Ontario flight deals and tips

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

Fastest flight time

20h 50m

Direct flights

None
The fastest flight from Illinois to Hamilton, Ontario takes 20h 50m
There are no direct flights from Illinois to Hamilton, Ontario. There are no popular flight routes from Illinois to Hamilton, Ontario.
Search flight deals

Frequently asked questions about flying from Illinois to Hamilton, Ontario

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

    Prices for flights from Illinois to Hamilton Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Hamilton Airport.

  • What documentation or ID do you need to fly to Hamilton Airport?

    The travel and health documents required for your trip to Hamilton Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hamilton Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Hamilton from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hamilton quick and easy, saving you time and money.

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

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

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

Once all potential Illinois to Hamilton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Hamilton from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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