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Cheap flights from Sudbury, ON to Chicago O'Hare Intl Airport from C$ 252

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — ORD
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Sudbury to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sudbury (YSB) to O'Hare Intl (ORD). 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 29 July 2025.

Round-trip from

C$ 637

One-way from

C$ 252
Air Canada
  • Air Canada
  • 18/8-23/8
  • 2 total stops
  • 16h 16m total
  • Sudbury to Chicago
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Air Canada
  • Air Canada
  • 10/9
  • 1 total stop
  • 4h 34m total
  • Sudbury to Chicago
Search Deals

Find flight deals from Sudbury to O'Hare Intl

Cheapest flights from Sudbury to O'Hare Intl
Explore the most affordable flight options available from Sudbury to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Mon 18/83:55 p.m.YSB - ORD
1 stop4h 34mAir Canada
Sat 23/88:25 p.m.ORD - YSB
1 stop11h 42mAir Canada
Deal found 28/7C$ 637
Mon 18/83:55 p.m.YSB - ORD
1 stop4h 34mUnited Airlines
Sat 23/82:32 p.m.ORD - YSB
2 stops17h 35mUnited Airlines
Deal found 28/7C$ 731
Mon 18/89:45 a.m.YSB - ORD
2 stops14h 45mMultiple Airlines
Sat 23/86:06 p.m.ORD - YSB
2 stops14h 01mMultiple Airlines
Deal found 28/7C$ 745

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sudbury to O'Hare Intl 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 29 July 2025.
Use the filters below to find and compare flights from Sudbury to Chicago O'Hare Intl Airport that are best for you.

Fly from

Sudbury

Fly to

O'Hare Intl

Route

Depart

Return

Price

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Mon 18/8

3:55 p.m.-7:29 p.m.

1 stop4h 34m

Chicago O'Hare Intl

Sat 23/8

8:25 p.m.-9:07 a.m.

1 stop11h 42m

C$ 637

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Mon 18/8

3:55 p.m.-7:29 p.m.

1 stop4h 34m

Chicago O'Hare Intl

Sat 23/8

2:32 p.m.-9:07 a.m.

2 stops17h 35m

C$ 731

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Mon 18/8

9:45 a.m.-11:30 p.m.

2 stops14h 45m

Chicago O'Hare Intl

Sat 23/8

6:06 p.m.-9:07 a.m.

2 stops14h 01m

C$ 745

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Wed 10/9

9:40 a.m.-1:14 p.m.

1 stop4h 34m

C$ 252

SudburyChicago

YSB - ORD

YSBORD

Sudbury

Wed 10/9

12:10 p.m.-5:39 p.m.

3 stops30h 29m

C$ 420

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Best time to book a flight from Sudbury to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 29 July 2025.
Get a feel of what it's like to fly with United Airlines and Air Canada from Sudbury to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews
Check prices

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Air Canada
7.1
Good
9,826 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Sudbury to O'Hare Intl. 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 Chicago O'Hare Intl?

    Sudbury (YSB), located 20.9 km from the city centre, is the airport you fly out of when you book flights from Sudbury to Chicago O'Hare Intl. 0 airlines have flights from Sudbury to Chicago O'Hare Intl on a regular basis. Booking flights from Sudbury to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

  • Can I find deals for flights from Sudbury to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Sudbury to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sudbury to O'Hare Intl?

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

  • Can I find deals for business class flights from Sudbury to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Sudbury to O'Hare Intl 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 Sudbury, Ontario to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Sudbury, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Sudbury, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 352). 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village
Evanston
Des Plaines
Skokie
Downers Grove
Naperville
Bolingbrook
Romeoville

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Can Cheapflights find flights from Sudbury to O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl from Sudbury shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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