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O'Hare Intl

$187+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap 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 July 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/58:15 am
YHM
-
ORD
1 stop29h 35m
Multiple Airlines
Tue 9/85:30 pm
ORD
-
YHM
2 stops24h 59m
Multiple Airlines
Deal found 7/25$425
This Mytrip deal was found by Cheapflights users on 7/27. 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 9/106:05 am
YHM
-
ORD
3 stops35h 35m
Multiple Airlines
Sun 9/135:30 pm
ORD
-
YHM
3 stops23h 05m
Multiple Airlines
Deal found 7/27$439
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:10 pm
YHM
-
ORD
1 stop23h 30m
WestJet
Sun 10/45:30 pm
ORD
-
YHM
1 stop22h 45m
WestJet
Deal found 7/24$474
This Justfly.com deal was found by Cheapflights users on 7/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 pm
YHM
-
ORD
1 stop23h 30m
WestJet
Tue 9/155:30 pm
ORD
-
YHM
1 stop22h 45m
WestJet
Deal found 7/26$476
This Mytrip deal was found by Cheapflights users on 7/27. 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 9/36:05 am
YHM
-
ORD
3 stops35h 35m
Multiple Airlines
Sun 9/65:30 pm
ORD
-
YHM
3 stops25h 55m
Multiple Airlines
Deal found 7/27$500
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:10 pm
YHM
-
ORD
1 stop23h 30m
WestJet
Mon 8/315:30 pm
ORD
-
YHM
1 stop22h 45m
WestJet
Deal found 7/24$516
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:10 pm
YHM
-
ORD
1 stop23h 30m
WestJet
Mon 9/75:30 pm
ORD
-
YHM
1 stop22h 45m
WestJet
Deal found 7/26$530
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/236:35 pm
YHM
-
ORD
2 stops23h 05m
Multiple Airlines
Sun 9/275:30 pm
ORD
-
YHM
2 stops20h 35m
Multiple Airlines
Deal found 7/24$538

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$411
(Kiwi.com)

One-way from

$187
(Flightnetwork)

Popular in

May

Cheapest in

September

Average price

$283
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.
Search Deals
From Hamilton to Chicago O'Hare Intl
Search Deals
One-way flight from Hamilton to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
Search Deals

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 July 28, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 10/1

6:10 pm-4:40 pm

1 stop23h 30m

Chicago O'Hare Intl

Sun 10/4

5:30 pm-5:15 pm

1 stop22h 45m

$474

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 9/10

6:10 pm-4:40 pm

1 stop23h 30m

Chicago O'Hare Intl

Sun 9/13

5:30 pm-5:15 pm

1 stop22h 45m

$476

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 9/3

6:10 pm-4:40 pm

1 stop23h 30m

Chicago O'Hare Intl

Mon 9/7

5:30 pm-5:15 pm

1 stop22h 45m

$531

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 9/23

6:35 pm-4:40 pm

2 stops23h 05m

Chicago O'Hare Intl

Sun 9/27

5:30 pm-3:05 pm

2 stops20h 35m

$538

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 9/10

7:00 am-4:40 pm

2 stops34h 40m

Chicago O'Hare Intl

Sun 9/13

5:30 pm-5:35 pm

3 stops23h 05m

$539

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 9/11

6:55 pm-10:15 am

2 stops16h 20m

Chicago O'Hare Intl

Fri 9/18

5:30 pm-3:05 pm

2 stops20h 35m

$569

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 9/4

7:00 am-4:40 pm

2 stops34h 40m

Chicago O'Hare Intl

Tue 9/8

5:30 pm-7:29 pm

2 stops24h 59m

$606

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 10/22

11:45 am-4:40 pm

2 stops29h 55m

Chicago O'Hare Intl

Wed 12/23

2:31 pm-2:09 pm

1 stop22h 38m

$633
Quickest round-trip

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 9/8

6:35 pm-10:15 am

3 stops16h 40m

Chicago O'Hare Intl

Tue 9/15

8:45 am-7:39 pm

2 stops9h 54m

$700

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 9/3

9:50 am-4:40 pm

2 stops31h 50m

Chicago O'Hare Intl

Mon 9/7

5:30 pm-7:29 pm

2 stops24h 59m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 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 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.

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.

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

    A quick flight from Hamilton, Ontario to Chicago O'Hare Intl Airport can take about 23h 30m. WestJet provides one of the quickest options available for as low as $474. There are 414 mi between Hamilton, Ontario and Chicago O'Hare Intl Airport.

  • 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.

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
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Aurora
Racine
Great Lakes
Janesville

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