SYD - ORD

$498 Find Cheap Flights from Sydney to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to O'Hare Intl departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,190
Typical prices: $937-$1,339
Qantas Airways
Fri 8/28Sat 9/12
SYD - ORD • 2 stops
Cheapest one-way
$498
Typical prices: $633-$1,049
Multiple Airlines
Fri 9/4
SYD - ORD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Sydney and O'Hare Intl. You'll need at least 1 connection.
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Top layover airports
Dallas (DFW)
Cheapest • Avg $939 (round-trip)
San Francisco (SFO)
Shortest trip • 19h 36m (one-way)
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When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 30% compared to booking last minute.
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When to travel
September
Cheapest • 33% price drop
June
Most popular
Good to know
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We hope you love your trip to O'Hare Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to O'Hare Intl (SYD-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sydney to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sydney to O'Hare Intl

Fri, Aug 28 - Sat, Sep 12
Qantas Airways Logo
6:25 am - 3:54 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
24h 29m2 stops Melbourne Los Angeles Los Angeles
Qantas Airways Logo
5:50 pm - 3:45 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
30h 55m2 stops Los Angeles Los Angeles Melbourne
$1,190Qantas Airways
Mon, Nov 16 - Mon, Nov 30
Cathay Pacific Logo
10:20 pm - 12:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
31h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
2:35 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 00m1 stop Hong Kong Intl
$1,197Cathay Pacific
Tue, Nov 10 - Thu, Nov 26
Cathay Pacific Logo
10:20 pm - 12:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
31h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
2:35 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 00m1 stop Hong Kong Intl
$1,197Cathay Pacific
Tue, Nov 10 - Wed, Nov 25
Cathay Pacific Logo
10:20 pm - 12:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
31h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
2:35 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 00m1 stop Hong Kong Intl
$1,197Cathay Pacific
Tue, Nov 10 - Tue, Nov 24
Cathay Pacific Logo
3:15 pm - 12:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
38h 40m1 stop Hong Kong Intl
Cathay Pacific Logo
2:35 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 00m1 stop Hong Kong Intl
$1,197Cathay Pacific
Thu, Aug 27 - Fri, Sep 11
Qantas Airways Logo
9:10 am - 2:54 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 44m1 stop Los Angeles Los Angeles
Qantas Airways Logo
1:29 pm - 6:25 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 56m1 stop San Francisco
$1,650Qantas Airways
Sun, Aug 30 - Mon, Sep 14
Qantas Airways Logo
5:50 pm - 11:30 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 40m1 stop Los Angeles Los Angeles
Qantas Airways Logo
7:03 pm - 7:05 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 02m1 stop Los Angeles Los Angeles
$1,657Qantas Airways
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
9:30 am - 5:05 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 35m2 stops Los Angeles Los Angeles Denver Intl
United Airlines Logo
2:16 pm - 6:55 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 39m2 stops Houston George Bush Intcntl San Francisco
$2,092United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
9:30 am - 2:36 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 06m1 stop Los Angeles Los Angeles
United Airlines Logo
12:47 pm - 6:55 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
27h 08m2 stops Houston George Bush Intcntl San Francisco
$2,092United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
9:30 am - 2:36 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 06m1 stop Los Angeles Los Angeles
United Airlines Logo
12:47 pm - 6:55 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
27h 08m2 stops Houston George Bush Intcntl San Francisco
$2,094United Airlines
Booking Insights

KAYAK's insights & trends for Sydney to O'Hare Intl flights

Get data-powered insights and trends into flights from Sydney to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Sydney to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sydney to Chicago O'Hare Intl Airport departing in August.

Flight prices are typical for this route right now.

Flights to Chicago O'Hare Intl Airport from Sydney usually cost between $998 and $1,633 in August.
The lowest price found in the past 5 days was $1,190 on Qantas Airways (Aug 28-Sep 12).

What is the cheapest month to fly from Sydney to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Chicago O'Hare Intl Airport is September, where tickets cost $924 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $2,951 and $1,401 respectively.

How far in advance should I book a flight from Sydney to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sydney to Chicago O'Hare Intl Airport, you should book around 2 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

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Good to know

Low season

January

Cheapest flight

$498
Best time to beat the crowds but there is an average 114% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Sydney to Chicago O'Hare Airport

When to book flights from Sydney to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Sydney to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sydney to Chicago O'Hare Airport flights

  • What is the cheapest flight from Sydney to Chicago O'Hare Intl Airport?

    In the last 5 days, the lowest price for a flight from Sydney to Chicago O'Hare Intl Airport was $498 for a one-way ticket and $1,190 for a round-trip.

  • Do I need a passport to fly between Sydney and Chicago O'Hare Airport?

    Yes

  • Which airports will I be using when flying from Sydney to Chicago O'Hare Airport?

    When flying out of Sydney you will be using Sydney Kingsford Smith. You will be landing at Chicago O'Hare Airport, also known as Chicago O'Hare Intl.

  • Which aircraft models fly most regularly from Sydney to Chicago O'Hare Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sydney to Chicago O'Hare Airport?

    Star Alliance, and oneworld are the airline alliances operating flights between Sydney and Chicago O'Hare Airport, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Sydney to Chicago, Qantas Airways or United Airlines?

    The two airlines most popular with KAYAK users for flights from Sydney to Chicago are Qantas Airways and United Airlines. With an average price for the route of $1,633 and an overall rating of 7.5, Qantas Airways is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,279 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Sydney to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Sydney is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Sydney with another airline. Booking your flights between Sydney and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Sydney to O'Hare Intl

Information on your arrival and departure airports

Sydney (SYD)
O'Hare Intl (ORD)