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Cheap flights from Chicago O'Hare Intl Airport to Toronto from $121

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 9/7. 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

WestJet Logo
5:30 pm - 12:40 amORD-YHM
30h 10m1 stop
WestJet Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$243WestJet
Find Deal
Fri, Oct 10 - Mon, Oct 13
WestJet Logo
5:30 pm - 12:40 amORD-YHM
30h 10m1 stop
WestJet Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$244WestJet
Find Deal
Fri, Sep 26 - Mon, Sep 29
WestJet Logo
5:30 pm - 12:40 amORD-YHM
30h 10m1 stop
WestJet Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$253WestJet
Find Deal
Mon, Sep 8 - Thu, Sep 25
WestJet Logo
5:30 pm - 12:40 amORD-YHM
30h 10m1 stop
WestJet Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$254WestJet
Find Deal
Fri, Sep 5 - Sun, Sep 7
WestJet Logo
5:30 pm - 12:40 amORD-YHM
30h 10m1 stop
WestJet Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$263WestJet
Find Deal
Fri, Oct 3 - Sun, Oct 5
WestJet Logo
5:30 pm - 5:17 pmORD-YHM
22h 47m1 stop
WestJet Logo
6:10 pm - 1:35 pmYHM-ORD
20h 25m1 stop
$298WestJet
Find Deal
Sat, Oct 25 - Sun, Nov 9
Logo
1:40 pm - 11:48 pmORD-YHM
9h 08m1 stop
Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$304
Find Deal
Sat, Sep 20 - Sat, Sep 27
WestJet Logo
5:30 pm - 12:40 amORD-YHM
30h 10m1 stop
WestJet Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$397WestJet
Find Deal
Fri, Sep 12 - Sun, Sep 14
Logo
6:00 am - 12:40 amORD-YHM
17h 40m2 stops
Logo
12:10 pm - 4:43 pmYHM-ORD
29h 33m1 stop
$408
Find Deal
Wed, Oct 8 - Wed, Oct 15
Logo
5:30 pm - 4:44 pmORD-YHM
22h 14m2 stops
Logo
6:00 am - 4:43 pmYHM-ORD
11h 43m1 stop
$420
Find Deal
Mon, Oct 6 - Thu, Oct 9

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
Oct 10
ORD5:30 pmChicago O'Hare Intl
30h 10m
1 stop
YHM12:40 amHamilton
Oct 13
YHM6:00 amHamilton
11h 43m
1 stop
ORD4:43 pmChicago O'Hare Intl
$243
Find similar
WestJet
Sep 26
ORD5:30 pmChicago O'Hare Intl
30h 10m
1 stop
YHM12:40 amHamilton
Sep 29
YHM6:00 amHamilton
11h 43m
1 stop
ORD4:43 pmChicago O'Hare Intl
$244
Find similar
WestJet
Sep 8
ORD5:30 pmChicago O'Hare Intl
30h 10m
1 stop
YHM12:40 amHamilton
Sep 25
YHM6:00 amHamilton
11h 43m
1 stop
ORD4:43 pmChicago O'Hare Intl
$253
Find similar

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 August 7, 2025.
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

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 10/10

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Mon 10/13

6:00 am-4:43 pm

1 stop11h 43m

$243

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 9/26

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Mon 9/29

6:00 am-4:43 pm

1 stop11h 43m

$244

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Mon 9/8

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Thu 9/25

6:00 am-4:43 pm

1 stop11h 43m

$253

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 9/5

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Sun 9/7

6:00 am-4:43 pm

1 stop11h 43m

$254

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 10/3

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Sun 10/5

6:00 am-4:43 pm

1 stop11h 43m

$263

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 10/25

5:30 pm-5:17 pm

1 stop22h 47m

Hamilton

Sun 11/9

6:10 pm-1:35 pm

1 stop20h 25m

$298

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 9/20

1:40 pm-11:48 pm

1 stop9h 08m

Hamilton

Sat 9/27

6:00 am-4:43 pm

1 stop11h 43m

$304

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 9/12

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Sun 9/14

6:00 am-4:43 pm

1 stop11h 43m

$397

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 10/8

6:00 am-12:40 am

2 stops17h 40m

Hamilton

Wed 10/15

12:10 pm-4:43 pm

1 stop29h 33m

$408

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Mon 10/6

5:30 pm-4:44 pm

2 stops22h 14m

Hamilton

Thu 10/9

6:00 am-4:43 pm

1 stop11h 43m

$420

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 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 is the cheapest time of day to depart on your flight to Hamilton, Ontario?

According to our data, the cheapest time of day to fly to Hamilton, Ontario is in the afternoon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Hamilton, Ontario in the afternoon for as low as $133. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Hamilton, Ontario is in the morning when prices are around $275.

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

Best Price Found

$121

Fastest flight time

9h 08m

Direct flights

None

Airports in Hamilton, Ontario

1 airport
The best one-way flight to Hamilton, Ontario from Chicago O'Hare Intl Airport in the past 72 hours is $121. The best round-trip flight deal from Chicago O'Hare Intl Airport to Hamilton, Ontario found on momondo in the last 72 hours is $243.
The fastest flight from Chicago O'Hare Intl Airport to Hamilton, Ontario takes 9h 08m
There are no direct flights from Chicago O'Hare Intl Airport to Hamilton, Ontario. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Hamilton Airport.
There is 1 airport near Hamilton, Ontario: Hamilton (YHM)
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 9h 08m 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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