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Cheap flights from Chicago O'Hare Intl Airport to Toronto from C$ 166

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 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Toronto

Cheap round-trip flights

WestJet Logo
5:30 p.m. - 12:40 a.m.ORD-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 334WestJet
Find Deal
Fri, 10 Oct - Mon, 13 Oct
WestJet Logo
5:30 p.m. - 12:40 a.m.ORD-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 336WestJet
Find Deal
Fri, 10 Oct - Sun, 12 Oct
WestJet Logo
5:30 p.m. - 12:40 a.m.ORD-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 348WestJet
Find Deal
Mon, 8 Sep - Thu, 25 Sep
WestJet Logo
5:30 p.m. - 12:40 a.m.ORD-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 349WestJet
Find Deal
Fri, 5 Sep - Sun, 7 Sep
WestJet Logo
5:30 p.m. - 12:40 a.m.ORD-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 362WestJet
Find Deal
Fri, 3 Oct - Sun, 5 Oct
WestJet Logo
5:30 p.m. - 5:17 p.m.ORD-YHM
22h 47m1 stop
WestJet Logo
6:10 p.m. - 1:35 p.m.YHM-ORD
20h 25m1 stop
C$ 410WestJet
Find Deal
Sat, 25 Oct - Sun, 9 Nov
Logo
1:40 p.m. - 11:48 p.m.ORD-YHM
9h 08m1 stop
Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 418
Find Deal
Sat, 20 Sep - Sat, 27 Sep
WestJet Logo
5:30 p.m. - 12:40 a.m.ORD-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 546WestJet
Find Deal
Fri, 12 Sep - Sun, 14 Sep
Logo
6:00 a.m. - 12:40 a.m.ORD-YHM
17h 40m2 stops
Logo
12:10 p.m. - 4:43 p.m.YHM-ORD
29h 33m1 stop
C$ 561
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Logo
5:30 p.m. - 4:44 p.m.ORD-YHM
22h 14m2 stops
Logo
6:00 a.m. - 4:43 p.m.YHM-ORD
11h 43m1 stop
C$ 578
Find Deal
Mon, 6 Oct - Thu, 9 Oct

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
10 Oct
ORD5:30 p.m.Chicago O'Hare Intl
30h 10m
1 stop
YHM12:40 a.m.Hamilton
13 Oct
YHM6:00 a.m.Hamilton
11h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 334
Find similar
WestJet
10 Oct
ORD5:30 p.m.Chicago O'Hare Intl
30h 10m
1 stop
YHM12:40 a.m.Hamilton
12 Oct
YHM6:00 a.m.Hamilton
11h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 336
Find similar
WestJet
8 Sep
ORD5:30 p.m.Chicago O'Hare Intl
30h 10m
1 stop
YHM12:40 a.m.Hamilton
25 Sep
YHM6:00 a.m.Hamilton
11h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 348
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 96,600 searches. Data last updated 7 August 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 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Mon 13/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 334

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 10/10

5:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Sun 12/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 336

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Mon 8/9

5:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Thu 25/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 348

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 5/9

5:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Sun 7/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 349

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 3/10

5:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Sun 5/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 362

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 25/10

5:30 p.m.-5:17 p.m.

1 stop22h 47m

Hamilton

Sun 9/11

6:10 p.m.-1:35 p.m.

1 stop20h 25m

C$ 410

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 20/9

1:40 p.m.-11:48 p.m.

1 stop9h 08m

Hamilton

Sat 27/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 418

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 12/9

5:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Sun 14/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 546

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 8/10

6:00 a.m.-12:40 a.m.

2 stops17h 40m

Hamilton

Wed 15/10

12:10 p.m.-4:43 p.m.

1 stop29h 33m

C$ 561

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Mon 6/10

5:30 p.m.-4:44 p.m.

2 stops22h 14m

Hamilton

Thu 9/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 578

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 airline that flies from Chicago O'Hare Intl to Hamilton?

WestJet is the most popular carrier operating from Chicago O'Hare Intl to Hamilton

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

C$ 166

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 C$ 166. The best round-trip flight deal from Chicago O'Hare Intl Airport to Hamilton, Ontario found on momondo in the last 72 hours is C$ 334.
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?

    The straight-line distance from Chicago O'Hare Intl to Hamilton is 673.3 km. Flights usually cover this in 9h 08m, depending on flying conditions and air traffic around both airports.

  • 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 are updated 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 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 Chicago to Hamilton?

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

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

Yes. momondo allows you to filter the results for Chicago to Hamilton flights to just show those with flexible booking policies.

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

Once all potential Chicago 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 Chicago to Hamilton right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Hamilton from Chicago. 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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