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Cheap flights from Illinois to Sydney, NS from C$ 384

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Illinois to Sydney

Keep the following information in mind while searching for Illinois to Sydney flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 719

One-way from

C$ 384
WestJet
  • WestJet
  • 10/10-18/10
  • 2 total stops
  • 46h 24m total
  • Illinois to Sydney
Search Deals
Air Canada
  • Air Canada
  • 26/7
  • 1 total stop
  • 7h 27m total
  • Illinois to Sydney
Search Deals

Find flight deals from Illinois to Sydney

Cheapest flights from Illinois to Sydney
Explore the most affordable flight options available from Illinois to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Fri 10/105:30 p.m.ORD - YQY
1 stop23h 21mWestJet
Sat 18/107:40 p.m.YQY - ORD
1 stop23h 03mWestJet
Deal found 11/6C$ 719
Sat 26/73:50 p.m.ORD - YQY
1 stop7h 27mAir Canada
Sat 2/85:10 a.m.YQY - ORD
1 stop5h 59mAir Canada
Deal found 11/6C$ 721
Fri 10/105:59 p.m.ORD - YQY
3 stops22h 52mMultiple Airlines
Sat 18/107:40 p.m.YQY - ORD
2 stops18h 59mMultiple Airlines
Deal found 11/6C$ 949
Sun 20/74:00 p.m.STL - YQY
1 stop7h 17mAir Canada
Sat 26/75:10 a.m.YQY - STL
1 stop16h 35mAir Canada
Deal found 10/6C$ 1,259

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Sydney 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 12 June 2025.
Use the filters below to find and compare flights from Illinois to Sydney that are best for you.

Fly from

Illinois

Fly to

Sydney

Route

Depart

Return

Price

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 10/10

5:30 p.m.-6:51 p.m.

1 stop23h 21m

Sydney

Sat 18/10

7:40 p.m.-4:43 p.m.

1 stop23h 03m

C$ 719

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 26/7

3:50 p.m.-1:17 a.m.

1 stop7h 27m

Sydney

Sat 2/8

5:10 a.m.-9:09 a.m.

1 stop5h 59m

C$ 721

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 10/10

5:59 p.m.-6:51 p.m.

3 stops22h 52m

Sydney

Sat 18/10

7:40 p.m.-12:39 p.m.

2 stops18h 59m

C$ 949

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 20/7

4:00 p.m.-1:17 a.m.

1 stop7h 17m

Sydney

Sat 26/7

5:10 a.m.-7:45 p.m.

1 stop16h 35m

C$ 1,259

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 26/7

3:50 p.m.-1:17 a.m.

1 stop7h 27m

C$ 384

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Mon 15/9

9:50 a.m.-6:51 p.m.

3 stops31h 01m

C$ 425

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Mon 15/9

4:05 p.m.-11:55 p.m.

1 stop5h 50m

C$ 580

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 29/6

7:15 a.m.-11:57 p.m.

2 stops14h 42m

C$ 685

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Best time to book a flight from Illinois to Sydney

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

Rainfall in Sydney by month

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

In terms of precipitation, rainfall in Sydney, Nova Scotia ranges from 89.0 - 167.0 mm per month. December is typically the wettest month, when rainfall can reach 167.0 mm. July is typically the driest time to visit Sydney, Nova Scotia when rainfall is around 89.0 mm.

Temperature in Sydney by month

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

If weather is an important factor for your trip to Sydney, Nova Scotia, 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 18.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 12 June 2025.
WestJet
7.2
Good
2,868 reviews
Check prices

Overall

7.2

Food

6.2

Boarding

7.4

Comfort

7.1

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2024

LGA - YHZ

They staff were assigned. The flight was on time No entertainment for short travel
WestJet
7.2
Good
2,868 reviews
WestJet
7.2
Good
2,868 reviews
Check prices

Overall

7.2

Food

6.2

Boarding

7.4

Comfort

7.1

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2024

LGA - YHZ

They staff were assigned. The flight was on time No entertainment for short travel
Air Canada
7.1
Good
9,537 reviews
WestJet
7.2
Good
2,868 reviews
Check prices

Overall

7.2

Food

6.2

Boarding

7.4

Comfort

7.1

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2024

LGA - YHZ

They staff were assigned. The flight was on time No entertainment for short travel

Related info for your journey

Find useful and relevant information for your journey from Illinois to Sydney. 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 into for flights to Sydney from Illinois?

    If you book a flight to Sydney from Illinois, you will be flying to Sydney, which is the city’s only airport. Sydney (YQY) is located 11.2 km from the centre of Sydney.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Sydney 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 Illinois to Sydney, Nova Scotia?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Sydney, Nova Scotia (average of C$ 375). Flying from Illinois to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). 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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Can Cheapflights find flights from Illinois to Sydney with no change fees?

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Illinois today and book when prices fit your budget.

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