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Cheap flights from Hamilton, ON to Chicago O'Hare Intl Airport from C$ 283

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
10 Jul — 17 Jul1
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 10 June 2026.

Thu 1/106:15 a.m.
YHM
-
ORD
3 stops35h 25m
Multiple Airlines
Sun 4/105:30 p.m.
ORD
-
YHM
3 stops22h 55m
Multiple Airlines
Deal found 8/6C$ 706
Mon 24/88:15 a.m.
YHM
-
ORD
1 stop29h 10m
Multiple Airlines
Sat 29/83:43 p.m.
ORD
-
YHM
2 stops24h 32m
Multiple Airlines
Deal found 10/6C$ 849
Tue 14/76:35 p.m.
YHM
-
ORD
3 stops16h 41m
Multiple Airlines
Thu 16/78:45 a.m.
ORD
-
YHM
2 stops9h 54m
Multiple Airlines
Deal found 10/6C$ 909
Fri 4/93:50 p.m.
YHM
-
ORD
3 stops25h 50m
Multiple Airlines
Sun 6/95:30 p.m.
ORD
-
YHM
2 stops20h 38m
Multiple Airlines
Deal found 8/6C$ 957
Wed 15/78:50 a.m.
YHM
-
ORD
2 stops12h 15m
Multiple Airlines
Wed 22/78:45 a.m.
ORD
-
YHM
2 stops9h 54m
Multiple Airlines
Deal found 9/6C$ 962
Mon 13/78:15 a.m.
YHM
-
ORD
2 stops12h 38m
Multiple Airlines
Thu 16/75:30 p.m.
ORD
-
YHM
1 stop28h 43m
Multiple Airlines
Deal found 8/6C$ 977
Tue 30/66:35 p.m.
YHM
-
ORD
3 stops21h 15m
Multiple Airlines
Thu 2/73:40 p.m.
ORD
-
YHM
2 stops20h 19m
Multiple Airlines
Deal found 10/6C$ 986
Mon 21/96:10 p.m.
YHM
-
ORD
1 stop23h 30m
WestJet
Tue 29/95:30 p.m.
ORD
-
YHM
1 stop22h 45m
WestJet
Deal found 8/6C$ 990

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 10 June 2026.

Round-trip from

C$ 706

One-way from

C$ 283

Popular in

May

Cheapest in

September

Average price

C$ 390
1/10-4/10
  • 1/10-4/10
  • 6 total stops
  • 58h 20m total
  • Hamilton to Chicago
Search Deals
20/7
  • 20/7
  • 1 total stop
  • 29h 00m total
  • Hamilton to Chicago
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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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 10 June 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 1/10

6:15 a.m.-4:40 p.m.

3 stops35h 25m

Chicago O'Hare Intl

Sun 4/10

5:30 p.m.-5:25 p.m.

3 stops22h 55m

C$ 706
Quickest round-trip

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 15/7

8:50 a.m.-8:05 p.m.

2 stops12h 15m

Chicago O'Hare Intl

Wed 22/7

8:45 a.m.-7:39 p.m.

2 stops9h 54m

C$ 962

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 13/9

3:50 p.m.-4:40 p.m.

3 stops25h 50m

Chicago O'Hare Intl

Thu 17/9

5:30 p.m.-5:25 p.m.

3 stops22h 55m

C$ 1,057

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 30/6

8:50 a.m.-6:43 p.m.

1 stop10h 53m

Chicago O'Hare Intl

Thu 2/7

3:40 p.m.-12:59 p.m.

2 stops20h 19m

C$ 1,074

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 24/9

3:50 p.m.-4:40 p.m.

3 stops25h 50m

Chicago O'Hare Intl

Tue 29/9

5:30 p.m.-11:15 p.m.

3 stops28h 45m

C$ 1,099

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 14/7

7:00 a.m.-5:39 p.m.

3 stops35h 39m

Chicago O'Hare Intl

Thu 16/7

5:30 p.m.-3:08 p.m.

2 stops20h 38m

C$ 1,287

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 17/7

10:25 a.m.-5:52 a.m.

3 stops20h 27m

Chicago O'Hare Intl

Mon 20/7

5:30 p.m.-5:25 p.m.

3 stops22h 55m

C$ 1,287

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sat 27/6

7:00 a.m.-3:30 p.m.

1 stop9h 30m

Chicago O'Hare Intl

Sun 28/6

5:30 p.m.-10:09 p.m.

2 stops27h 39m

C$ 1,326

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Thu 2/7

8:35 p.m.-4:40 p.m.

3 stops21h 05m

Chicago O'Hare Intl

Sun 5/7

5:30 p.m.-5:25 p.m.

3 stops22h 55m

C$ 1,368

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 3/7

7:00 a.m.-4:40 p.m.

2 stops34h 40m

Chicago O'Hare Intl

Sun 5/7

5:30 p.m.-5:25 p.m.

3 stops22h 55m

C$ 1,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 19 resultsSorted by cheapest first
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.

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 10 June 2026.
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
11,154 reviews
Check prices

Entertainment

6.8

Crew

7.8

Food

6.3

Boarding

7.3

Overall

7.1

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,154 reviews
Air Canada
7.1
Good
11,154 reviews
Check prices

Entertainment

6.8

Crew

7.8

Food

6.3

Boarding

7.3

Overall

7.1

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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$ 270.

  • 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

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

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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 270AverageC$ 519FlexibilityNo 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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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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