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Cheap flights from Hamilton, ON to Chicago O'Hare Intl Airport from C$ 223

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

C$ 546

One-way from

C$ 223

Popular in

January

Cheapest in

May

Average price

C$ 325
WestJet
  • WestJet
  • 2/5-9/5
  • 2 total stops
  • 41h 55m total
  • Hamilton to Chicago
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Air Canada
  • Air Canada
  • 14/6
  • 1 total stop
  • 4h 59m total
  • Hamilton to Chicago
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Highest demand for flights based on searches. 13% potential increase in price (C$ 92 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 30 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 25 March 2025.

Sat 24/56:00 a.m.YHM - ORD
1 stop11h 44mWestJet
Sat 31/55:30 p.m.ORD - YHM
1 stop30h 11mWestJet
Deal found 24/3C$ 761
Wed 26/36:05 p.m.YHM - ORD
1 stop22h 51mMultiple Airlines
Sat 29/34:18 p.m.ORD - YHM
2 stops24h 43mMultiple Airlines
Deal found 24/3C$ 1,781

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 25 March 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

Sat 24/5

6:00 a.m.-4:44 p.m.

1 stop11h 44m

Chicago O'Hare Intl

Sat 31/5

5:30 p.m.-12:41 a.m.

1 stop30h 11m

C$ 761

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 29/6

1:40 p.m.-6:15 p.m.

1 stop5h 35m

C$ 239

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Mon 12/5

6:00 a.m.-4:44 p.m.

1 stop11h 44m

C$ 302

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 4/6

6:00 a.m.-6:42 a.m.

2 stops25h 42m

C$ 314

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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, January is the cheapest month in which you can book a flight from Hamilton, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 25 March 2025.
WestJet
7.2
Good
2,785 reviews
Check prices

Entertainment

6.1

Overall

7.2

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,785 reviews
WestJet
7.2
Good
2,785 reviews
Check prices

Entertainment

6.1

Overall

7.2

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.0
Good
8,952 reviews
WestJet
7.2
Good
2,785 reviews
Check prices

Entertainment

6.1

Overall

7.2

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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 WestJet is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at C$ 546.

  • 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, January is the cheapest month in which you can book a flight from Hamilton, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 Hamilton?

Book flights to Hamilton if you plan to visit one of these locations
Elk Grove Village
Evanston
Downers Grove
Skokie
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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 315AverageC$ 392FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from Hamilton to O'Hare Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Hamilton.

Can Cheapflights find flights from Hamilton to O'Hare Intl with no change fees?

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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