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Cheap flights from Hamilton, ON to Chicago O'Hare Intl Airport from C$ 208

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hamilton to O'Hare Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Sun 14/127:00 a.m.YHM - ORD
1 stop8h 21mMultiple Airlines
Mon 15/129:14 p.m.ORD - YHM
2 stops16h 06mMultiple Airlines
Deal found 10/12C$ 958
Wed 17/127:25 a.m.YHM - ORD
1 stop13h 36mMultiple Airlines
Wed 31/125:00 a.m.ORD - YHM
1 stop9h 00mMultiple Airlines
Deal found 10/12C$ 978
Sun 14/127:25 a.m.YHM - ORD
1 stop17h 44mMultiple Airlines
Thu 18/125:00 a.m.ORD - YHM
1 stop9h 00mMultiple Airlines
Deal found 10/12C$ 1,000
Sat 13/127:25 a.m.YHM - ORD
1 stop17h 44mMultiple Airlines
Sun 14/125:00 a.m.ORD - YHM
1 stop9h 00mMultiple Airlines
Deal found 10/12C$ 1,012
Fri 19/127:00 a.m.YHM - ORD
1 stop8h 21mMultiple Airlines
Fri 19/127:57 p.m.ORD - YHM
3 stops24h 47mMultiple Airlines
Deal found 11/12C$ 1,736

Find 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 12 December 2025.

Round-trip from

C$ 400

One-way from

C$ 208

Popular in

January

Cheapest in

April

Average price

C$ 439
8/1-15/1
  • 8/1-15/1
  • 2 total stops
  • 21h 58m total
  • Hamilton to Chicago
Search Deals
14/1
  • 14/1
  • 1 total stop
  • 17h 21m total
  • Hamilton to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 629,999 searches. Data last updated 12 December 2025.
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

Thu 8/1

7:25 a.m.-7:38 p.m.

1 stop13h 13m

Chicago O'Hare Intl

Thu 15/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 400

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 7/1

7:00 a.m.-12:14 a.m.

3 stops18h 14m

Chicago O'Hare Intl

Wed 14/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 412

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 24/1

7:25 a.m.-7:44 p.m.

1 stop13h 19m

Chicago O'Hare Intl

Sat 31/1

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 455

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 15/1

7:25 a.m.-7:38 p.m.

1 stop13h 13m

Chicago O'Hare Intl

Sat 17/1

7:20 a.m.-8:55 p.m.

1 stop12h 35m

C$ 564

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 5/2

7:25 a.m.-5:52 p.m.

2 stops11h 27m

Chicago O'Hare Intl

Sun 8/2

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 608

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 25/1

7:25 a.m.-9:03 p.m.

1 stop14h 38m

Chicago O'Hare Intl

Sun 1/2

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 633

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 7/2

7:25 a.m.-9:03 p.m.

1 stop14h 38m

Chicago O'Hare Intl

Sat 14/2

5:15 a.m.-3:00 p.m.

1 stop8h 45m

C$ 712

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 24/1

7:25 a.m.-11:46 p.m.

1 stop17h 21m

C$ 226

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 11/1

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

1 stop20h 25m

C$ 229

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 8/2

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

1 stop20h 25m

C$ 241

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 15 results
1
2

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 C$ 113). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 266). 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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 12 December 2025.
See what other customers who have flown with Air Canada from Hamilton to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,516 reviews
Check prices

Boarding

7.3

Overall

7.1

Comfort

7.1

Crew

7.8

Food

6.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,516 reviews
Air Canada
7.1
Good
10,516 reviews
Check prices

Boarding

7.3

Overall

7.1

Comfort

7.1

Crew

7.8

Food

6.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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?

    Hamilton (YHM), located 10.9 km from the city centre, is the airport you fly out of when you book flights from Hamilton to Chicago O'Hare Intl. 1 airline have flights from Hamilton to Chicago O'Hare Intl on a regular basis. Booking flights from Hamilton to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

  • What is the cheapest airline to fly from Hamilton, Ontario to Chicago O'Hare Intl Airport round-trip?

    Flying on Air Canada is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at C$ 300. You may be able to fly from Hamilton, Ontario to Chicago O'Hare Intl Airport for 29% less than the average price by searching for this airline.

  • 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 C$ 113). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 266). 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

Travelling 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
Evanston
Des Plaines
Skokie
Elk Grove Village
Downers Grove
Racine
Naperville
Bolingbrook
Romeoville

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Hamilton to O'Hare Intl

Discover the top airline that operate flights from Hamilton to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 300AverageC$ 414FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Hamilton to O'Hare Intl?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Hamilton to O'Hare Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Hamilton to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Hamilton to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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