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Cheap flights from Chicago to Sydney from $810

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Wed 3/4
Wed 10/4

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Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Sydney

Best price found

$810

Fastest flight time

20h 20m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Chicago in the past 72 hours is $810. The best return flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,495.
The fastest flight from Chicago to Sydney takes 20h 20m
There are no direct flights from Chicago to Sydney. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Sydney Kingsford Smith Airport and Chicago Midway Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

How to get the cheapest flight ticket from Chicago to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Chicago to Sydney?

October. The cheapest time of year to fly to Sydney from Chicago is October. The most expensive is December.

What is the cheapest day to depart Chicago for Sydney?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Tuesday.

When is the cheapest time to fly from Chicago to Sydney?

In the morning. Chicago to Sydney flights are approximately 17% more expensive in the evening than in the morning

What is the cheapest airline that flies to Sydney from Chicago?

Air Canada. Air Canada, Air New Zealand, and United Airlines are the most popular carriers operating from Chicago to Sydney

What is the cheapest Chicago to Sydney flight route?

Chicago O'Hare Intl - Sydney Kingsford Smith. Fly from Chicago O'Hare Intl to Sydney Kingsford Smith for the best Chicago - Sydney flight prices

How far in advance should you book Chicago to Sydney flights?

14 days before. The cheapest time to buy a flight from Chicago to Sydney is approximately 14 days to departure

When you’re planning your trip from Chicago to Sydney, the most popular airport-to-airport route is Chicago O'Hare Intl Airport to Sydney Kingsford Smith Airport. When booking your trip to Sydney, it is helpful to have an alternative airport to fly out of. The nearest airport to Chicago O'Hare Intl Airport is Chicago Midway Airport which is located in Chicago. The least expensive flight option from Chicago to Sydney will typically be ORD — SYD during the month of March with an average price of $1,495 RT.

Chicago O'Hare Intl Airport (ORD) to Sydney Kingsford Smith Airport (SYD)$1,495
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Chicago Midway Airport (MDW) to Sydney Kingsford Smith Airport (SYD)$1,765
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Easily compare return flights from Chicago to Sydney

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Sydney by changing tabs
Qantas Airways
11 Sept
ORD16:50Chicago O'Hare Intl
23h 15m
1 stop
SYD07:05Sydney Kingsford Smith
17 Sept
SYD09:10Sydney Kingsford Smith
21h 59m
1 stop
ORD16:09Chicago O'Hare Intl
American Airlines
4 Aug
ORD09:55Chicago O'Hare Intl
30h 10m
1 stop
SYD07:05Sydney Kingsford Smith
25 Aug
SYD09:10Sydney Kingsford Smith
29h 46m
1 stop
ORD23:56Chicago O'Hare Intl
Cathay Pacific
30 Apr
ORD16:05Chicago O'Hare Intl
27h 45m
1 stop
SYD10:50Sydney Kingsford Smith
11 May
SYD21:50Sydney Kingsford Smith
31h 35m
1 stop
ORD14:25Chicago O'Hare Intl
Multiple Airlines
7 May
ORD17:55Chicago O'Hare Intl
26h 50m
2 stops
SYD11:45Sydney Kingsford Smith
21 May
SYD13:15Sydney Kingsford Smith
32h 05m
2 stops
ORD06:20Chicago O'Hare Intl
Air New Zealand
21 May
ORD16:10Chicago O'Hare Intl
25h 35m
2 stops
SYD08:45Sydney Kingsford Smith
4 June
SYD11:50Sydney Kingsford Smith
27h 09m
2 stops
ORD23:59Chicago O'Hare Intl
Air Canada
20 May
ORD10:55Chicago O'Hare Intl
29h 25m
2 stops
SYD07:20Sydney Kingsford Smith
4 June
SYD09:20Sydney Kingsford Smith
20h 04m
1 stop
ORD14:24Chicago O'Hare Intl

Find the cheapest one-way flights from Chicago to Sydney

If you're looking for one-way flights from Chicago to Sydney, view some of our deals below provided by Air Canada, Air New Zealand and Cathay Pacific
Multiple Airlines
1 June
ORD22:57Chicago O'Hare Intl
48h 43m
2 stops
SYD14:40Sydney Kingsford Smith
Air New Zealand
25 May
ORD21:17Chicago O'Hare Intl
44h 28m
2 stops
SYD08:45Sydney Kingsford Smith
Cathay Pacific
4 Apr
ORD16:05Chicago O'Hare Intl
25h 40m
1 stop
SYD09:45Sydney Kingsford Smith

Search last-minute flights to Sydney from Chicago

Find and compare return flight prices for your last-minute flight from Chicago to Sydney
Cathay Pacific
4 Apr
ORD16:05Chicago O'Hare Intl
25h 40m
1 stop
SYD09:45Sydney Kingsford Smith
17 Apr
SYD14:05Sydney Kingsford Smith
39h 20m
1 stop
ORD14:25Chicago O'Hare Intl
Multiple Airlines
4 Apr
ORD09:17Chicago O'Hare Intl
35h 58m
3 stops
SYD13:15Sydney Kingsford Smith
17 Apr
SYD13:15Sydney Kingsford Smith
34h 19m
3 stops
ORD08:34Chicago O'Hare Intl
Air New Zealand
4 Apr
ORD16:00Chicago O'Hare Intl
26h 35m
2 stops
SYD10:35Sydney Kingsford Smith
1 Sept
SYD11:50Sydney Kingsford Smith
26h 05m
2 stops
ORD22:55Chicago O'Hare Intl
Japan Airlines
5 Apr
ORD12:05Chicago O'Hare Intl
27h 05m
1 stop
SYD07:10Sydney Kingsford Smith
12 June
SYD08:15Sydney Kingsford Smith
40h 05m
1 stop
ORD09:20Chicago O'Hare Intl
Delta
7 Apr
ORD12:28Chicago O'Hare Intl
27h 07m
2 stops
SYD06:35Sydney Kingsford Smith
16 Apr
SYD09:25Sydney Kingsford Smith
26h 44m
2 stops
ORD21:09Chicago O'Hare Intl
American Airlines
5 Apr
ORD18:45Chicago O'Hare Intl
21h 20m
1 stop
SYD08:05Sydney Kingsford Smith
12 June
SYD09:10Sydney Kingsford Smith
23h 10m
2 stops
ORD17:20Chicago O'Hare Intl

Best airlines flying from Chicago to Sydney

Compare and see reviews for airlines that fly from Chicago to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,482Free cancellationRating
7.0
6,744 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,736Free cancellationRating
7.4
11,470 reviews
Search United Airlines flights
Air New ZealandPriceFrom $2,399Free cancellationRating
8.2
683 reviews
Search Air New Zealand flights

Cathay Pacific flights from Chicago to Sydney

Our best Cathay Pacific deals on Chicago to Sydney flight tickets
Cathay Pacific
4 Apr
ORD16:05Chicago O'Hare Intl
25h 40m
1 stop
SYD09:45Sydney Kingsford Smith
17 Apr
SYD14:05Sydney Kingsford Smith
39h 20m
1 stop
ORD14:25Chicago O'Hare Intl
Cathay Pacific
30 Apr
ORD16:05Chicago O'Hare Intl
27h 45m
1 stop
SYD10:50Sydney Kingsford Smith
11 May
SYD21:50Sydney Kingsford Smith
31h 35m
1 stop
ORD14:25Chicago O'Hare Intl
Cathay Pacific
18 Apr
ORD16:05Chicago O'Hare Intl
25h 40m
1 stop
SYD08:45Sydney Kingsford Smith
3 May
SYD07:35Sydney Kingsford Smith
45h 50m
1 stop
ORD14:25Chicago O'Hare Intl

United Airlines flights from Chicago to Sydney

Our best United Airlines deals on Chicago to Sydney flight tickets
United Airlines
29 May
ORD16:05Chicago O'Hare Intl
23h 50m
2 stops
SYD06:55Sydney Kingsford Smith
9 June
SYD10:20Sydney Kingsford Smith
21h 40m
2 stops
ORD17:00Chicago O'Hare Intl
United Airlines
27 Apr
ORD21:20Chicago O'Hare Intl
42h 35m
1 stop
SYD06:55Sydney Kingsford Smith
8 May
SYD09:30Sydney Kingsford Smith
28h 27m
1 stop
ORD22:57Chicago O'Hare Intl
United Airlines
31 May
ORD17:50Chicago O'Hare Intl
22h 05m
1 stop
SYD06:55Sydney Kingsford Smith
25 June
SYD10:20Sydney Kingsford Smith
21h 50m
1 stop
ORD17:10Chicago O'Hare Intl

  • How far is Chicago to Sydney Kingsford Smith by plane?

    Chicago and Sydney Kingsford Smith are 14866.2 km apart from one another. A reasonable flight in good conditions will take 20h 20m.

  • When did momondo last update prices for flights from Chicago to Sydney Kingsford Smith Airport?

    Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Chicago to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for Chicago to Sydney

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
St. Louis to Sydney Flights
Fastest flight time20h 55m
Cheapest price$2,202
Peoria, Illinois to Sydney Flights
Fastest flight time32h 50m
Cheapest price$4,142

Similar Chicago to Sydney flights

Flexible with your destination? Broaden your search and find flights similar to your Chicago to Sydney route

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Sydney?

It is quick and easy to find Chicago to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Chicago with this policy.

How can momondo help me find flights from Chicago to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Chicago.

I’m not ready to book a flight from Chicago to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Chicago and alert you when they change.


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Wed 3/4
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