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Cheap flights from Hamilton, ON to Illinois from C$ 354

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
26 févr. — 5 mars1
1 adult

Cheap flight deals from Hamilton to Illinois

Keep the following information in mind while searching for Hamilton to Illinois flight deals. Data was last updated 21 février 2025.

Round-trip from

C$ 614

One-way from

C$ 354

Popular in

December

Cheapest in

April

Average price

C$ 405
WestJet
  • WestJet
  • 6/4-13/4
  • 3 total stops
  • 60h 15m total
  • Hamilton to Illinois
Search Deals
WestJet
  • WestJet
  • 17/5
  • 1 total stop
  • 11h 44m total
  • Hamilton to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 février 2025.

dim. 6/46:55 p.m.YHM - ORD
2 stops36h 47mMultiple Airlines
dim. 13/44:45 p.m.ORD - YHM
1 stop23h 28mMultiple Airlines
Deal found 20/2C$ 614
sam. 24/56:00 a.m.YHM - ORD
1 stop11h 44mWestJet
lun. 26/55:30 p.m.ORD - YHM
1 stop30h 11mWestJet
Deal found 20/2C$ 675

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 629,999 searches. Data last updated 21 février 2025.

Fly from

Hamilton

Fly to

Illinois

Route

Depart

Return

Price

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

dim. 6/4

6:55 p.m.-6:42 a.m.

2 stops36h 47m

Chicago O'Hare Intl

dim. 13/4

4:45 p.m.-5:13 p.m.

1 stop23h 28m

C$ 614

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

sam. 24/5

6:00 a.m.-4:44 p.m.

1 stop11h 44m

Chicago O'Hare Intl

lun. 26/5

5:30 p.m.-12:41 a.m.

1 stop30h 11m

C$ 675

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

sam. 17/5

6:00 a.m.-4:44 p.m.

1 stop11h 44m

C$ 354

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

dim. 13/4

6:55 p.m.-8:35 a.m.

3 stops38h 40m

C$ 393

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

lun. 24/3

5:50 p.m.-10:06 p.m.

1 stop5h 16m

C$ 2,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

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, January is the cheapest month in which you can book a flight from Hamilton, Ontario to Illinois (average of C$ 261). Flying from Hamilton, Ontario to Illinois in March is currently the most expensive (average of C$ 355). 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.

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 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 21 février 2025.
WestJet
7.2
Good
2,801 reviews
Check prices

Entertainment

6.1

Crew

7.9

Food

6.2

Comfort

7.1

Boarding

7.4

Overall

7.2

Reviews

1 / 20

6.0
Good

Deb,Jan 2025

YYZ - YYC

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

WestJet
7.2
Good
2,801 reviews
WestJet
7.2
Good
2,801 reviews
Check prices

Entertainment

6.1

Crew

7.9

Food

6.2

Comfort

7.1

Boarding

7.4

Overall

7.2

Reviews

1 / 20

6.0
Good

Deb,Jan 2025

YYZ - YYC

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

Air Canada
7.0
Good
8,748 reviews
WestJet
7.2
Good
2,801 reviews
Check prices

Entertainment

6.1

Crew

7.9

Food

6.2

Comfort

7.1

Boarding

7.4

Overall

7.2

Reviews

1 / 20

6.0
Good

Deb,Jan 2025

YYZ - YYC

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 10.9 km from the centre 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, January is the cheapest month in which you can book a flight from Hamilton, Ontario to Illinois (average of C$ 261). Flying from Hamilton, Ontario to Illinois in March is currently the most expensive (average of C$ 355). 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

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Top airline flying from Hamilton to Illinois

Discover the top airline that operate flights from Hamilton to Illinois. 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 21 février 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 322AverageC$ 389FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Hamilton to Illinois?

Deals for Hamilton to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Hamilton to Illinois?

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 Illinois from Hamilton.

Can Cheapflights find flights from Hamilton to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Hamilton to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from Hamilton to Illinois become cheaper?

Yes! Start tracking prices for Hamilton to Illinois flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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