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O'Hare Intl

$252+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$432
(Kiwi.com)

One-way from

$267
(oojo)

Popular in

January

Cheapest in

May

Average price

$281
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. 11% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/66:55 pmYHM - ORD
2 stops36h 47mMultiple Airlines
Sun 4/134:45 pmORD - YHM
1 stop23h 28mMultiple Airlines
Deal found 2/20$432
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:00 amYHM - ORD
1 stop11h 44mWestJet
Mon 5/265:30 pmORD - YHM
1 stop30h 11mWestJet
Deal found 2/20$475

Find flights from Hamilton to O'Hare Intl within your budget

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 February 20, 2025.

Fly from

Hamilton

Fly to

O'Hare Intl

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 4/6

6:55 pm-6:42 am

2 stops36h 47m

Chicago O'Hare Intl

Sun 4/13

4:45 pm-5:13 pm

1 stop23h 28m

$432

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 5/24

6:00 am-4:44 pm

1 stop11h 44m

Chicago O'Hare Intl

Mon 5/26

5:30 pm-12:41 am

1 stop30h 11m

$475

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 5/28

6:00 am-4:44 pm

1 stop11h 44m

$252

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 4/13

6:55 pm-8:35 am

3 stops38h 40m

$277

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Mon 3/24

5:50 pm-10:06 pm

1 stop5h 16m

$1,432

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

  • Most accurate provider: When it comes to deals on Hamilton, Ontario-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hamilton, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Hamilton to O'Hare Intl

Get recent, data-driven insights about flights from Hamilton to O'Hare Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Chicago O'Hare Intl Airport (average of $245). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

What is the cheapest time of day to fly from YHM to ORD?

Find hourly flight availability from Hamilton to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Hamilton, Ontario to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
WestJet
7.2
Good
2,801 reviews

Entertainment

6.1

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Boarding

7.4

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
2,801 reviews
WestJet
7.2
Good
2,801 reviews

Entertainment

6.1

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Boarding

7.4

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
8,748 reviews
WestJet
7.2
Good
2,801 reviews

Entertainment

6.1

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Boarding

7.4

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?

    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.

  • 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 $475.

  • 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, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Chicago O'Hare Intl Airport (average of $245). Flying from Hamilton, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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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