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$136+ Cheap flights from O'Hare Intl (ORD) to Hamilton, ON (YHM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Hamilton

Cheapest flights from O'Hare Intl to Hamilton
Explore the most affordable flight options available from O'Hare Intl to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:16 pm
ORD
-
YHM
1 stop17h 44m
Multiple Airlines
Wed 3/117:25 am
YHM
-
ORD
1 stop12h 46m
Multiple Airlines
Deal found 2/10$343
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:15 am
ORD
-
YHM
1 stop8h 45m
Multiple Airlines
Thu 2/267:25 am
YHM
-
ORD
1 stop14h 48m
Multiple Airlines
Deal found 2/10$352
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:15 am
ORD
-
YHM
1 stop8h 45m
Multiple Airlines
Wed 3/187:25 am
YHM
-
ORD
1 stop10h 50m
Multiple Airlines
Deal found 2/10$354
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:15 am
ORD
-
YHM
1 stop8h 45m
Multiple Airlines
Sun 3/87:25 am
YHM
-
ORD
2 stops28h 31m
Multiple Airlines
Deal found 2/12$360
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:30 pm
ORD
-
YHM
1 stop22h 45m
WestJet
Sun 5/36:10 pm
YHM
-
ORD
1 stop23h 30m
WestJet
Deal found 2/10$368
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:30 pm
ORD
-
YHM
1 stop22h 45m
WestJet
Mon 6/86:10 pm
YHM
-
ORD
1 stop23h 30m
WestJet
Deal found 2/11$406
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:05 am
ORD
-
YHM
1 stop8h 55m
Multiple Airlines
Wed 3/257:25 am
YHM
-
ORD
1 stop10h 50m
Multiple Airlines
Deal found 2/12$408
This Mytrip deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
-
YHM
1 stop8h 45m
Multiple Airlines
Mon 3/27:25 am
YHM
-
ORD
1 stop12h 46m
Multiple Airlines
Deal found 2/11$452
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:58 pm
ORD
-
YHM
2 stops17h 02m
Multiple Airlines
Thu 4/27:55 pm
YHM
-
ORD
2 stops18h 40m
Multiple Airlines
Deal found 2/10$456

Find flight deals from O'Hare Intl to Hamilton

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Hamilton (YHM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(Mytrip)

One-way from

$136
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$295
Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Toronto (YTO) flights.
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From Chicago O'Hare Intl to Hamilton
Search Deals
One-way flight from Chicago O'Hare Intl to Hamilton
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Hamilton 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Hamilton that are best for you.

Fly from

O'Hare Intl

Fly to

Hamilton

Route

Depart

Return

Price

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 3/5

5:15 am-3:00 pm

1 stop8h 45m

Hamilton

Sun 3/8

7:25 am-11:22 am

1 stop28h 57m

$352

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 2/25

5:15 am-3:00 pm

1 stop8h 45m

Hamilton

Thu 2/26

7:25 am-9:13 pm

1 stop14h 48m

$352

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 3/11

5:15 am-3:00 pm

1 stop8h 45m

Hamilton

Wed 3/18

7:25 am-5:15 pm

1 stop10h 50m

$354

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 6/5

5:30 pm-5:15 pm

1 stop22h 45m

Hamilton

Mon 6/8

6:10 pm-4:40 pm

1 stop23h 30m

$406

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 3/18

5:05 am-3:00 pm

1 stop8h 55m

Hamilton

Wed 3/25

7:25 am-5:15 pm

1 stop10h 50m

$408

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 2/26

5:15 am-3:00 pm

1 stop8h 45m

Hamilton

Mon 3/2

7:25 am-7:11 pm

1 stop12h 46m

$452

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 3/31

8:58 pm-3:00 pm

2 stops17h 02m

Hamilton

Thu 4/2

7:55 pm-1:35 pm

2 stops18h 40m

$456

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 3/14

5:05 am-3:00 pm

1 stop8h 55m

Hamilton

Wed 3/18

7:25 am-5:15 pm

1 stop10h 50m

$461

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 3/3

8:16 pm-3:00 pm

1 stop17h 44m

$136

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Wed 3/4

8:16 pm-3:00 pm

1 stop17h 44m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 18 results
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Best time to book a flight from O'Hare Intl to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Hamilton

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario (average of $85). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Hamilton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hamilton from Chicago O'Hare Intl?

    For a flight from Chicago O'Hare Intl to Hamilton, you will be flying into Hamilton. Hamilton (YHM) is just 6.8 mi from the center of the city. Hamilton is the only Hamilton airport and it handles 0 inbound flights from Chicago O'Hare Intl per day. 0 airlines have flights to Hamilton from Chicago O'Hare Intl on a regular basis.

  • How long is the flight from Chicago O'Hare Intl Airport to Hamilton, Ontario?

    For as low as $406, WestJet can have you in Hamilton, Ontario from Chicago O'Hare Intl Airport in 22h 45m. The distance between Chicago O'Hare Intl Airport and Hamilton, Ontario is about 414 mi.

  • Can I find deals for flights from O'Hare Intl to Hamilton that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Hamilton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Hamilton.

  • Can I find deals for business class flights from O'Hare Intl to Hamilton?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Hamilton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario?

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Hamilton, Ontario (average of $85). Flying from Chicago O'Hare Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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