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$150+ Cheap flights from Illinois to Hamilton, ON (YHM)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YHM
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Illinois to Hamilton

Keep the following information in mind while searching for Illinois to Hamilton flight deals. Data was last updated August 1, 2025.

Round-trip from

$318
(oojo)

One-way from

$150
(oojo)

Popular in

November

Cheapest in

August

Average price

$259
From Illinois to Hamilton
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One-way flight from Illinois to Hamilton
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Highest demand for flights based on searches. 7% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Illinois to Hamilton

Cheapest flights from Illinois to Hamilton
Explore the most affordable flight options available from Illinois to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:30 pmORD - YHM
1 stop30h 10mWestJet
Mon 9/296:00 amYHM - ORD
1 stop11h 43mWestJet
Deal found 7/29$318
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 8/286:00 amORD - YHM
2 stops17h 41mMultiple Airlines
Thu 9/46:00 amYHM - ORD
1 stop11h 43mMultiple Airlines
Deal found 7/29$614

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Hamilton 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 August 1, 2025.
Use the filters below to find and compare flights from Illinois to Hamilton that are best for you.

Fly from

Illinois

Fly to

Hamilton

Route

Depart

Return

Price

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Fri 9/26

5:30 pm-12:40 am

1 stop30h 10m

Hamilton

Mon 9/29

6:00 am-4:43 pm

1 stop11h 43m

$318

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Thu 8/28

6:00 am-12:41 am

2 stops17h 41m

Hamilton

Thu 9/4

6:00 am-4:43 pm

1 stop11h 43m

$614

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Tue 9/9

5:30 pm-12:40 am

1 stop30h 10m

$150

ChicagoHamilton

ORD - YHM

ORDYHM

Chicago O'Hare Intl

Sat 9/13

1:40 pm-11:48 pm

1 stop9h 08m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Illinois to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Illinois 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 Illinois to Hamilton
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Hamilton

Get insights into the airlines that provide service to Hamilton. 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 Hamilton. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with WestJet from Illinois to Hamilton to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,978 reviews

Comfort

7.0

Crew

7.9

Food

6.2

Overall

7.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.
WestJet
7.2
Good
2,978 reviews
WestJet
7.2
Good
2,978 reviews

Comfort

7.0

Crew

7.9

Food

6.2

Overall

7.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Hamilton. 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 into for flights to Hamilton from Illinois?

    Most people fly into Hamilton (YHM) if they book a flight to Hamilton from Illinois. Hamilton is conveniently located just 6.8 mi from Hamilton’s city center.

  • Can I find deals for flights from Illinois to Hamilton that include hotel bookings?

    Yes. In addition to deals on Illinois to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Hamilton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Hamilton.

  • Can I find deals for business class flights from Illinois to Hamilton?

    Yes. Cheapflights offers flight deals from Illinois to Hamilton 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

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