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Cheap flights from Illinois to Toronto from C$ 162

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 18/9. 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 p.m. - 7:34 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
25h 04m2 stops Calgary Winnipeg
Multiple Airlines Logo
6:55 p.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
C$ 680Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 11:13 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
28h 43m1 stop Calgary
Multiple Airlines Logo
7:00 a.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
C$ 682Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 10:09 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
27h 39m2 stops Calgary Winnipeg
Multiple Airlines Logo
6:55 p.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
C$ 702Multiple Airlines
Sun, 20 Sep - Sun, 4 Oct
Multiple Airlines Logo
5:30 p.m. - 10:25 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
27h 55m3 stops Calgary Winnipeg Montreal St Hubert
Multiple Airlines Logo
7:00 a.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
C$ 730Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 3:05 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
20h 35m2 stops Calgary Ottawa
Multiple Airlines Logo
7:00 a.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
C$ 737Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 10:25 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
27h 55m3 stops Calgary Winnipeg Montreal St Hubert
Multiple Airlines Logo
7:00 a.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
34h 40m2 stops Winnipeg Calgary
C$ 738Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 11:13 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
28h 43m1 stop Calgary
Multiple Airlines Logo
6:55 p.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
C$ 738Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 5:35 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
23h 05m3 stops Calgary Winnipeg Montreal St Hubert
Multiple Airlines Logo
6:05 a.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
35h 35m3 stops Montreal St Hubert Winnipeg Calgary
C$ 741Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
5:30 p.m. - 11:13 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
28h 43m1 stop Calgary
Multiple Airlines Logo
6:55 p.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
C$ 742Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
5:30 p.m. - 6:00 p.m.ORD  Chicago O'Hare Intl-YHM Hamilton
23h 30m2 stops Calgary Vancouver Intl
Multiple Airlines Logo
6:55 p.m. - 4:40 p.m.YHM  Hamilton-ORD Chicago O'Hare Intl
22h 45m1 stop Calgary
C$ 745Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct

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WestJet flights from Illinois to Hamilton, Ontario

Our best WestJet deals on Illinois to Hamilton, Ontario flight tickets
WestJet
11 Oct
ORD5:30 p.m.Chicago O'Hare Intl
22h 45m
1 stop
YHM5:15 p.m.Hamilton
14 Oct
YHM6:10 p.m.Hamilton
23h 30m
1 stop
ORD4:40 p.m.Chicago O'Hare Intl
C$ 757
WestJet
11 Oct
ORD5:30 p.m.Chicago O'Hare Intl
22h 45m
1 stop
YHM5:15 p.m.Hamilton
14 Oct
YHM6:10 p.m.Hamilton
23h 30m
1 stop
ORD4:40 p.m.Chicago O'Hare Intl
C$ 775
WestJet
10 Sep
ORD5:30 p.m.Chicago O'Hare Intl
22h 45m
1 stop
YHM5:15 p.m.Hamilton
14 Sep
YHM6:10 p.m.Hamilton
23h 30m
1 stop
ORD4:40 p.m.Chicago O'Hare Intl
C$ 777

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 96,600 searches. Data last updated 15 August 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 28/9

5:30 p.m.-7:34 p.m.

2 stops25h 04m

Hamilton

Mon 5/10

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

1 stop22h 45m

C$ 680

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

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

1 stop28h 43m

Hamilton

Mon 5/10

7:00 a.m.-4:40 p.m.

2 stops34h 40m

C$ 682

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 20/9

5:30 p.m.-10:09 p.m.

2 stops27h 39m

Hamilton

Sun 4/10

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

1 stop22h 45m

C$ 702

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

5:30 p.m.-10:25 p.m.

3 stops27h 55m

Hamilton

Mon 5/10

7:00 a.m.-4:40 p.m.

2 stops34h 40m

C$ 730

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

5:30 p.m.-3:05 p.m.

2 stops20h 35m

Hamilton

Mon 5/10

7:00 a.m.-4:40 p.m.

2 stops34h 40m

C$ 737

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

5:30 p.m.-10:25 p.m.

3 stops27h 55m

Hamilton

Mon 5/10

7:00 a.m.-4:40 p.m.

2 stops34h 40m

C$ 738

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

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

1 stop28h 43m

Hamilton

Mon 5/10

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

1 stop22h 45m

C$ 738

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 27/9

5:30 p.m.-5:35 p.m.

3 stops23h 05m

Hamilton

Sun 4/10

6:05 a.m.-4:40 p.m.

3 stops35h 35m

C$ 741

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Mon 28/9

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

1 stop28h 43m

Hamilton

Mon 5/10

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

1 stop22h 45m

C$ 742
Quickest round-trip

ChicagoHamilton

ORD Chicago O'Hare Intl - YHM Hamilton

ORDYHM

Chicago O'Hare Intl

Sun 27/9

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

2 stops23h 30m

Hamilton

Sun 4/10

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

1 stop22h 45m

C$ 745

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

Which 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 47% of people opting to fly with this airline when travelling to Hamilton, Ontario. Keep in mind that there are 3 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 24m

Direct flights

None
The fastest flight from Illinois to Hamilton, Ontario takes 20h 24m
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 are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Hamilton Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Illinois to Hamilton flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hamilton that suits you.

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

Flights from Illinois to Hamilton with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

Of course. momondo tracks the price of Illinois to Hamilton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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