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$241+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
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 December 23, 2024.

Find flight deals from Hamilton to Illinois

One-way flights from Hamilton to Illinois
Search for one-way flight options from Hamilton to Illinois. Find affordable one-way fares based on user searches. Data last updated December 23, 2024.

This oojo deal was found by Cheapflights users on 12/22. 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.
Sun 2/236:55 pmYHM - ORD
1 stop22h 01mWestJet
Deal found 12/22$262

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 December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Mon 6/9

6:00 am-4:44 pm

1 stop11h 44m

Chicago O'Hare Intl

Thu 6/12

5:30 pm-12:41 am

1 stop30h 11m

$570

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Wed 3/26

6:05 pm-3:56 pm

1 stop22h 51m

$241

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Mon 3/24

1:45 pm-6:39 pm

1 stop5h 54m

$1,464

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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 $317). 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 December 23, 2024.

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 December 23, 2024.
WestJet
7.3
Good
2,816 reviews

Overall

7.3

Entertainment

6.2

Boarding

7.4

Comfort

7.1

Food

6.2

Crew

7.9

Reviews

1 / 10

No free WiFi and could not bring a single carry on bag onto the plane—I then had to pay extra to check my luggage. Avoid WestJet!

WestJet
7.3
Good
2,816 reviews
WestJet
7.3
Good
2,816 reviews

Overall

7.3

Entertainment

6.2

Boarding

7.4

Comfort

7.1

Food

6.2

Crew

7.9

Reviews

1 / 10

No free WiFi and could not bring a single carry on bag onto the plane—I then had to pay extra to check my luggage. Avoid WestJet!

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 $317). 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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