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Cheap flights from Chicago O'Hare Intl Airport to Toronto from $201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Toronto departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:28 am - 3:00 pm
ORD
-
YHM
26h 32m
2 stops
Multiple Airlines Logo
8:15 am - 12:27 am
YHM
-
ORD
17h 12m
1 stop
$445Multiple Airlines
Wed, Apr 29 - Mon, May 4
Multiple Airlines Logo
11:28 am - 3:00 pm
ORD
-
YHM
26h 32m
2 stops
Multiple Airlines Logo
8:15 am - 12:27 am
YHM
-
ORD
17h 12m
1 stop
$469Multiple Airlines
Wed, Apr 29 - Mon, May 4
Multiple Airlines Logo
6:10 pm - 3:00 pm
ORD
-
YHM
19h 50m
1 stop
Multiple Airlines Logo
7:25 am - 9:17 pm
YHM
-
ORD
14h 52m
1 stop
$560Multiple Airlines
Wed, Apr 8 - Thu, Apr 23
Multiple Airlines Logo
11:28 am - 3:00 pm
ORD
-
YHM
26h 32m
2 stops
Multiple Airlines Logo
8:15 am - 12:27 am
YHM
-
ORD
17h 12m
1 stop
$563Multiple Airlines
Wed, Apr 29 - Mon, May 4
Multiple Airlines Logo
6:10 pm - 3:00 pm
ORD
-
YHM
19h 50m
1 stop
Multiple Airlines Logo
4:00 pm - 11:54 pm
YHM
-
ORD
32h 54m
2 stops
$591Multiple Airlines
Wed, Apr 8 - Thu, Apr 23
Multiple Airlines Logo
9:45 am - 3:00 pm
ORD
-
YHM
28h 15m
3 stops
Multiple Airlines Logo
7:25 am - 12:24 am
YHM
-
ORD
17h 59m
1 stop
$719Multiple Airlines
Wed, Apr 8 - Thu, Apr 23
Multiple Airlines Logo
5:30 pm - 10:34 pm
ORD
-
YHM
28h 04m
2 stops
Multiple Airlines Logo
5:45 pm - 4:40 pm
YHM
-
ORD
23h 55m
2 stops
$726Multiple Airlines
Wed, May 27 - Fri, May 29
Multiple Airlines Logo
5:30 pm - 10:34 pm
ORD
-
YHM
28h 04m
2 stops
Multiple Airlines Logo
5:45 pm - 4:40 pm
YHM
-
ORD
23h 55m
2 stops
$731Multiple Airlines
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
1:40 am - 12:20 am
ORD
-
YHM
21h 40m
2 stops
Multiple Airlines Logo
3:15 pm - 5:52 am
YHM
-
ORD
15h 37m
2 stops
$749Multiple Airlines
Tue, Apr 14 - Wed, Apr 22
Multiple Airlines Logo
6:00 am - 11:13 pm
ORD
-
YHM
16h 13m
2 stops
Multiple Airlines Logo
8:15 am - 12:25 pm
YHM
-
ORD
29h 10m
1 stop
$758Multiple Airlines
Thu, Jun 4 - Mon, Jun 8

WestJet flights from Chicago O'Hare Intl Airport to Hamilton, Ontario

Our best WestJet deals on Chicago O'Hare Intl Airport to Hamilton, Ontario flight tickets
WestJet
May 3
ORD5:30 pmChicago O'Hare Intl
22h 45m
1 stop
YHM5:15 pmHamilton
May 10
YHM6:10 pmHamilton
23h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$987
WestJet
May 3
ORD5:30 pmChicago O'Hare Intl
22h 45m
1 stop
YHM5:15 pmHamilton
May 10
YHM6:10 pmHamilton
23h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$1,038
WestJet
Apr 30
ORD5:30 pmChicago O'Hare Intl
22h 45m
1 stop
YHM5:15 pmHamilton
May 3
YHM6:10 pmHamilton
23h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$1,139

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 March 24, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Hamilton, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 4/29

11:28 am-3:00 pm

2 stops26h 32m

Hamilton

Mon 5/4

8:15 am-12:27 am

1 stop17h 12m

$445

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 4/29

11:28 am-3:00 pm

2 stops26h 32m

Hamilton

Mon 5/4

8:15 am-12:27 am

1 stop17h 12m

$469
Quickest round-trip

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 4/8

6:10 pm-3:00 pm

1 stop19h 50m

Hamilton

Thu 4/23

7:25 am-9:17 pm

1 stop14h 52m

$560

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 4/29

11:28 am-3:00 pm

2 stops26h 32m

Hamilton

Mon 5/4

8:15 am-12:27 am

1 stop17h 12m

$563

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 4/8

6:10 pm-3:00 pm

1 stop19h 50m

Hamilton

Thu 4/23

4:00 pm-11:54 pm

2 stops32h 54m

$591

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 4/8

9:45 am-3:00 pm

3 stops28h 15m

Hamilton

Thu 4/23

7:25 am-12:24 am

1 stop17h 59m

$719

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 5/27

5:30 pm-10:34 pm

2 stops28h 04m

Hamilton

Fri 5/29

5:45 pm-4:40 pm

2 stops23h 55m

$726

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 5/29

5:30 pm-10:34 pm

2 stops28h 04m

Hamilton

Mon 6/1

5:45 pm-4:40 pm

2 stops23h 55m

$731

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 4/14

1:40 am-12:20 am

2 stops21h 40m

Hamilton

Wed 4/22

3:15 pm-5:52 am

2 stops15h 37m

$749

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 6/4

6:00 am-11:13 pm

2 stops16h 13m

Hamilton

Mon 6/8

8:15 am-12:25 pm

1 stop29h 10m

$758

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Hamilton, Ontario. Keep in mind that there are 6 different airlines that fly to Hamilton, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Chicago O'Hare Intl Airport to Hamilton, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Hamilton, Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Hamilton, Ontario (ORD to YHM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Hamilton, Ontario

Fastest flight time

8h 55m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Hamilton, Ontario takes 8h 55m
There are no direct flights from Chicago O'Hare Intl Airport to Hamilton, Ontario. There are no popular flight routes from Chicago O'Hare Intl Airport to Hamilton, Ontario.
Search flight deals

  • How far is Chicago O'Hare Intl to Hamilton by plane?

    There are 418.4 mi between Chicago O'Hare Intl and Hamilton. Typically, this will take 8h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Hamilton Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Hamilton Airport refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Hamilton Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Hamilton Airport.

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

    The required travel and health documents for your Hamilton Airport 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 Hamilton Airport. 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 Chicago to Hamilton?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Hamilton for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hamilton from Chicago.

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

Of course. momondo tracks the price of Chicago 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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