Find flights
When to book
FAQs

Cheap flights from Sudbury, ON to Illinois from C$ 358

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — ORD
27 Apr — 4 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sudbury to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Sudbury to Illinois
Explore the most affordable flight options available from Sudbury to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2026.

Sat 23/59:45 a.m.
YSB
-
ORD
1 stop4h 40m
Air Canada
Tue 26/59:55 a.m.
ORD
-
YSB
1 stop8h 21m
Air Canada
Deal found 27/3C$ 702
Sat 22/89:45 a.m.
YSB
-
ORD
1 stop4h 37m
United Airlines
Sat 29/89:40 p.m.
ORD
-
YSB
2 stops15h 05m
United Airlines
Deal found 28/3C$ 776

Find flight deals from Sudbury to Illinois

Keep the following information in mind while searching for Sudbury to Illinois flight deals. Data was last updated 28 March 2026.

Round-trip from

C$ 702

One-way from

C$ 358
Air Canada
  • Air Canada
  • 22/8-29/8
  • 2 total stops
  • 16h 02m total
  • Sudbury to Illinois
Search Deals
Air Canada
  • Air Canada
  • 22/7
  • 1 total stop
  • 4h 37m total
  • Sudbury to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sudbury 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 28 March 2026.
Use the filters below to find and compare flights from Sudbury to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Sat 23/5

9:45 a.m.-8:08 p.m.

2 stops11h 23m

Chicago O'Hare Intl

Tue 26/5

9:55 a.m.-7:16 p.m.

1 stop8h 21m

C$ 706
Quickest round-trip

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Sat 22/8

9:45 a.m.-1:22 p.m.

1 stop4h 37m

Chicago O'Hare Intl

Sat 29/8

9:40 p.m.-1:45 p.m.

2 stops15h 05m

C$ 776

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Sat 23/5

9:45 a.m.-6:34 p.m.

2 stops9h 49m

Chicago O'Hare Intl

Tue 26/5

9:40 p.m.-1:46 p.m.

2 stops15h 06m

C$ 790
Cheapest one-way
Quickest one-way

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Wed 22/7

9:45 a.m.-1:22 p.m.

1 stop4h 37m

C$ 358

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Thu 17/9

9:45 a.m.-1:23 p.m.

1 stop4h 38m

C$ 385

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Thu 3/9

2:25 p.m.-7:52 p.m.

1 stop6h 27m

C$ 385

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Wed 22/7

2:25 p.m.-11:30 p.m.

2 stops10h 05m

C$ 427

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Sat 9/5

9:45 a.m.-6:33 p.m.

2 stops9h 48m

C$ 430

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Thu 3/9

9:45 a.m.-5:00 p.m.

2 stops8h 15m

C$ 459

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Sat 9/5

4:10 p.m.-11:15 p.m.

3 stops32h 05m

C$ 477

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Sudbury to Illinois

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

Related info for your journey

Find useful and relevant information for your journey from Sudbury 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 Sudbury to Illinois?

    Most people fly from Sudbury (YSB) if they book a flight from Sudbury to Illinois. Sudbury is conveniently located just 20.9 km from Sudbury’s city centre.

  • How long is the flight from Sudbury, Ontario to Illinois?

    For as low as C$ 706, Air Canada can have you in Illinois from Sudbury, Ontario in 11h 23m. The distance from Sudbury, Ontario to Illinois is about 764 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sudbury 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sudbury to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Las Vegas flights
Pearson Intl to Miami flights
Pearson Intl to LaGuardia flights
Pearson Intl to Orlando flights
Pearson Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Los Angeles flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Seattle flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Toronto Island to Dulles Intl flights
Pearson Intl to Nashville flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Orlando flights
Toronto Island to LaGuardia flights
Pearson Intl to Baltimore flights
Pearson Intl to Tampa flights
Pearson Intl to Boston flights
Toronto Island to Orlando flights
Pearson Intl to Atlanta flights
Toronto Island to Miami flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Boston flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Nashville flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Midway flights
Pearson Intl to West Palm Beach flights
Pierre Elliott Trudeau Intl to San Francisco flights
Toronto Island to Midway flights
Toronto Island to Las Vegas flights
Pierre Elliott Trudeau Intl to West Palm Beach flights
Pearson Intl to Ontario flights
Pearson Intl to San Diego flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Fort Myers flights
Pearson Intl to George Bush Intcntl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sudbury to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Illinois from Sudbury by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Illinois from Sudbury? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Sudbury to Illinois 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.