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$176+ Cheap flights from Hamilton, ON (YHM) to Illinois

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Hamilton to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to Illinois (USIL). 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 January 21, 2025.

Round-trip from

$485
(Mytrip)

One-way from

$176
(Kiwi.com)
From Hamilton to Illinois
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One-way flight from Hamilton to Illinois
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Find flight deals from Hamilton to Illinois

Cheapest flights from Hamilton to Illinois
Explore the most affordable flight options available from Hamilton to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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.
Tue 2/186:05 pmYHM - ORD
3 stops28h 45mMultiple Airlines
Tue 2/251:32 pmORD - YHM
3 stops26h 51mMultiple Airlines
Deal found 1/21$485
This oojo deal was found by Cheapflights users on 1/21. 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 5/236:00 amYHM - ORD
1 stop11h 44mWestJet
Sun 5/255:30 pmORD - YHM
1 stop30h 11mWestJet
Deal found 1/21$640

Find flights from Hamilton to Illinois within your budget

Customize your flight search to find flights from Hamilton to Illinois 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 2/18

6:05 pm-9:50 pm

3 stops28h 45m

Chicago O'Hare Intl

Tue 2/25

1:32 pm-5:23 pm

3 stops26h 51m

$485

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Fri 5/23

6:00 am-4:44 pm

1 stop11h 44m

Chicago O'Hare Intl

Sun 5/25

5:30 pm-12:41 am

1 stop30h 11m

$640

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 3/2

6:55 pm-3:56 pm

1 stop22h 01m

$247

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Tue 2/11

6:00 am-10:10 am

1 stop5h 10m

$1,408

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Hamilton to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

What is the cheapest month to book a flight from Hamilton, Ontario to Illinois?

Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Illinois (average of $245). Flying from Hamilton, Ontario to Illinois in March is currently the most expensive (average of $320). 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 IL?

Find hourly flight availability from Hamilton to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Hamilton, Ontario to Illinois, 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 Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated January 21, 2025.
WestJet
7.2
Good
2,829 reviews

Comfort

7.1

Crew

7.9

Overall

7.2

Food

6.2

Entertainment

6.2

Boarding

7.4

Reviews

1 / 10

Boarding went smoothly, you didn't accept debit card for food on flight

WestJet
7.2
Good
2,829 reviews
WestJet
7.2
Good
2,829 reviews

Comfort

7.1

Crew

7.9

Overall

7.2

Food

6.2

Entertainment

6.2

Boarding

7.4

Reviews

1 / 10

Boarding went smoothly, you didn't accept debit card for food on flight

Air Canada
7.0
Good
8,635 reviews
WestJet
7.2
Good
2,829 reviews

Comfort

7.1

Crew

7.9

Overall

7.2

Food

6.2

Entertainment

6.2

Boarding

7.4

Reviews

1 / 10

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 Illinois. 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 Illinois?

    For a flight from Hamilton to Illinois, you will be flying from Hamilton. Hamilton (YHM) is just 6.8 mi from the center of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Illinois (average of $245). Flying from Hamilton, Ontario to Illinois in March is currently the most expensive (average of $320). 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.

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