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O'Hare Intl

$171+ Cheap flights from Hamilton, ON (YHM) to O'Hare Intl (ORD)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Hamilton to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to O'Hare Intl (ORD). 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(Mytrip)

One-way from

$171
(oojo)

Popular in

July

Cheapest in

April

Average price

$358
Provider with most accurate pricing for Hamilton-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Hamilton-Chicago O'Hare Intl flights.
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From Hamilton to Chicago O'Hare Intl
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One-way flight from Hamilton to Chicago O'Hare Intl
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Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Hamilton to O'Hare Intl

Cheapest flights from Hamilton to O'Hare Intl
Explore the most affordable flight options available from Hamilton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Mytrip deal was found by Cheapflights users on 1/6. 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 2/47:25 amYHM - ORD
1 stop17h 22mMultiple Airlines
Wed 2/115:15 amORD - YHM
1 stop8h 45mMultiple Airlines
Deal found 1/6$271
This Mytrip deal was found by Cheapflights users on 1/7. 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 2/47:25 amYHM - ORD
1 stop14h 38mMultiple Airlines
Thu 2/55:15 amORD - YHM
1 stop8h 45mMultiple Airlines
Deal found 1/7$304
This Mytrip deal was found by Cheapflights users on 1/6. 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 1/227:00 amYHM - ORD
3 stops17h 46mMultiple Airlines
Sun 1/255:15 amORD - YHM
1 stop8h 45mMultiple Airlines
Deal found 1/6$344
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/126:10 pmYHM - ORD
1 stop20h 25mMultiple Airlines
Sun 3/157:00 amORD - YHM
2 stops17h 20mMultiple Airlines
Deal found 1/7$422
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sun 2/156:10 pmYHM - ORD
1 stop20h 25mMultiple Airlines
Fri 2/202:20 pmORD - YHM
2 stops32h 15mMultiple Airlines
Deal found 1/6$473
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Fri 2/207:00 amYHM - ORD
1 stop14h 12mMultiple Airlines
Fri 2/272:20 pmORD - YHM
2 stops32h 15mMultiple Airlines
Deal found 1/6$476
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sat 1/178:15 amYHM - ORD
2 stops37h 42mMultiple Airlines
Fri 1/238:43 pmORD - YHM
1 stop17h 17mMultiple Airlines
Deal found 1/6$484
This Mytrip deal was found by Cheapflights users on 1/7. 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 1/87:25 amYHM - ORD
1 stop14h 38mMultiple Airlines
Sat 1/106:05 amORD - YHM
1 stop15h 50mMultiple Airlines
Deal found 1/7$603
This Mytrip deal was found by Cheapflights users on 1/5. 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.
Sat 1/107:25 amYHM - ORD
1 stop17h 21mMultiple Airlines
Sun 1/118:43 pmORD - YHM
1 stop17h 17mMultiple Airlines
Deal found 1/5$610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to O'Hare Intl 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 January 8, 2026.
Use the filters below to find and compare flights from Hamilton to Chicago O'Hare Intl Airport that are best for you.

Fly from

Hamilton

Fly to

O'Hare Intl

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 2/4

7:25 am-11:47 pm

1 stop17h 22m

Chicago O'Hare Intl

Wed 2/11

5:15 am-3:00 pm

1 stop8h 45m

$271

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 2/4

7:25 am-9:03 pm

1 stop14h 38m

Chicago O'Hare Intl

Thu 2/5

5:15 am-3:00 pm

1 stop8h 45m

$304

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 1/22

7:00 am-11:46 pm

3 stops17h 46m

Chicago O'Hare Intl

Sun 1/25

5:15 am-3:00 pm

1 stop8h 45m

$344

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 3/12

6:10 pm-1:35 pm

1 stop20h 25m

Chicago O'Hare Intl

Sun 3/15

7:00 am-1:20 am

2 stops17h 20m

$422

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 2/20

7:00 am-8:12 pm

1 stop14h 12m

Chicago O'Hare Intl

Fri 2/27

2:20 pm-11:35 pm

2 stops32h 15m

$476

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 1/17

8:15 am-8:57 pm

2 stops37h 42m

Chicago O'Hare Intl

Fri 1/23

8:43 pm-3:00 pm

1 stop17h 17m

$484

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 2/21

7:00 am-8:57 pm

2 stops38h 57m

Chicago O'Hare Intl

Sat 2/28

6:10 am-10:55 pm

1 stop15h 45m

$670

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 2/5

6:10 pm-1:35 pm

1 stop20h 25m

$171

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 3/29

6:10 pm-1:35 pm

1 stop20h 25m

$176

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 3/22

6:10 pm-1:35 pm

1 stop20h 25m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 16 results
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Compare providers for flights from Hamilton to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hamilton to O'Hare Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hamilton, Ontario-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hamilton, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Hamilton, Ontario-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hamilton, Ontario-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hamilton, Ontario-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hamilton to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Hamilton 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 Hamilton to Chicago O'Hare Intl Airport

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

Currently, April is the cheapest month in which you can book a flight from Hamilton, Ontario to Chicago O'Hare Intl Airport (average of $82). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $193). 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 Hamilton to O'Hare Intl. 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 from for flights from Hamilton to Chicago O'Hare Intl?

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to O'Hare Intl 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 Hamilton, Ontario to Chicago O'Hare Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Hamilton, Ontario to Chicago O'Hare Intl Airport (average of $82). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $193). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora
Evanston

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