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O'Hare Intl

$146+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This Booking.com deal was found by Cheapflights users on 2/9. 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.
Mon 5/256:30 pm
YHM
-
ORD
1 stop4h 35m
Air Canada
Wed 5/278:55 am
ORD
-
YHM
1 stop4h 25m
Air Canada
Deal found 2/9$281
This Flightnetwork deal was found by Cheapflights users on 2/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:30 pm
YHM
-
ORD
1 stop4h 34m
Air Canada
Sun 3/86:25 pm
ORD
-
YHM
1 stop13h 20m
Air Canada
Deal found 2/9$285
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Fri 10/1611:40 am
YHM
-
ORD
1 stop4h 15m
Air Canada
Sun 10/188:40 pm
ORD
-
YHM
1 stop13h 45m
Air Canada
Deal found 2/9$334
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Fri 3/133:10 pm
YHM
-
ORD
1 stop5h 35m
Air Canada
Mon 3/168:40 pm
ORD
-
YHM
1 stop13h 45m
Air Canada
Deal found 2/10$338
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/117:25 am
YHM
-
ORD
1 stop14h 48m
Multiple Airlines
Wed 3/185:05 am
ORD
-
YHM
1 stop8h 55m
Multiple Airlines
Deal found 2/11$351
This Mytrip deal was found by Cheapflights users on 2/10. 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 3/117:25 am
YHM
-
ORD
2 stops11h 21m
Multiple Airlines
Wed 3/118:16 pm
ORD
-
YHM
1 stop17h 44m
Multiple Airlines
Deal found 2/10$357
This Mytrip deal was found by Cheapflights users on 2/11. 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 2/257:25 am
YHM
-
ORD
1 stop12h 46m
Multiple Airlines
Tue 3/38:16 pm
ORD
-
YHM
1 stop17h 44m
Multiple Airlines
Deal found 2/11$365
This Mytrip deal was found by Cheapflights users on 2/12. 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 3/77:25 am
YHM
-
ORD
1 stop17h 22m
Multiple Airlines
Sat 3/148:58 pm
ORD
-
YHM
2 stops17h 02m
Multiple Airlines
Deal found 2/12$390
This Flightnetwork deal was found by Cheapflights users on 2/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 pm
YHM
-
ORD
1 stop4h 29m
Air Canada
Sat 10/248:40 pm
ORD
-
YHM
1 stop13h 45m
Air Canada
Deal found 2/10$391
This Mytrip deal was found by Cheapflights users on 2/11. 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 2/287:25 am
YHM
-
ORD
1 stop14h 48m
Multiple Airlines
Sun 3/88:16 pm
ORD
-
YHM
1 stop17h 44m
Multiple Airlines
Deal found 2/11$398
This Mytrip deal was found by Cheapflights users on 2/12. 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 2/287:25 am
YHM
-
ORD
1 stop14h 48m
Multiple Airlines
Tue 3/38:16 pm
ORD
-
YHM
1 stop17h 44m
Multiple Airlines
Deal found 2/12$418

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(Booking.com)

One-way from

$146
(Booking.com)

Popular in

July

Cheapest in

April

Average price

$341
Provider with most accurate pricing for Hamilton-Chicago O'Hare Intl flight deals.
Search Deals
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. 12% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 12, 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

Mon 5/25

6:30 pm-10:05 pm

1 stop4h 35m

Chicago O'Hare Intl

Wed 5/27

8:55 am-2:20 pm

1 stop4h 25m

$281

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 3/5

6:30 pm-10:04 pm

1 stop4h 34m

Chicago O'Hare Intl

Sun 3/8

6:25 pm-8:45 am

1 stop13h 20m

$285

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 3/11

7:25 am-9:13 pm

1 stop14h 48m

Chicago O'Hare Intl

Wed 3/18

5:05 am-3:00 pm

1 stop8h 55m

$351

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 2/25

7:25 am-7:11 pm

1 stop12h 46m

Chicago O'Hare Intl

Tue 3/3

8:16 pm-3:00 pm

1 stop17h 44m

$365

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 3/7

7:25 am-11:47 pm

1 stop17h 22m

Chicago O'Hare Intl

Sat 3/14

8:58 pm-3:00 pm

2 stops17h 02m

$390

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 2/28

7:25 am-9:13 pm

1 stop14h 48m

Chicago O'Hare Intl

Tue 3/3

8:16 pm-3:00 pm

1 stop17h 44m

$418

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 3/10

7:00 am-11:47 pm

3 stops17h 47m

Chicago O'Hare Intl

Sun 3/15

5:05 am-3:00 pm

1 stop8h 55m

$447

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 3/28

7:25 am-8:01 am

2 stops25h 36m

Chicago O'Hare Intl

Sat 4/4

5:05 am-3:00 pm

1 stop8h 55m

$508

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 3/27

3:10 pm-12:22 am

2 stops10h 12m

Chicago O'Hare Intl

Fri 4/3

6:01 pm-11:25 am

2 stops16h 24m

$518

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 4/2

7:25 am-5:15 pm

1 stop10h 50m

Chicago O'Hare Intl

Sun 4/5

5:05 am-3:00 pm

1 stop8h 55m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 20 results
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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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.

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 $80). 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.

  • 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 4h 35m. Air Canada provides one of the quickest options available for as low as $281. 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.

  • 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 $80). 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
Naperville
Gurnee
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Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
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Skokie
Libertyville
Lake Geneva
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Warrenville
Aurora

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