SYD - ORD

$656 Find Cheap Flights from Sydney to Chicago O'Hare Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$943
Typical prices: $1,060-$1,502
Multiple Airlines
Mon 10/8Sun 10/21
SYD - ORD • 3 stops
Cheapest one-way
$656
Typical prices: $791-$1,092
Multiple Airlines
Sat 11/17
SYD - ORD • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Sydney and Chicago O'Hare Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
20 weeks
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 10% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 24% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Auckland Intl (AKL)
Cheapest • Avg $833 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 20h 46m (one-way)
Insights
Insights
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We hope you love your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, Oct 8 - Wed, Oct 21
Multiple Airlines Logo
6:05 am - 7:02 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
52h 57m3 stops Nadi Los Angeles Los Angeles Orlando
Multiple Airlines Logo
6:30 am - 12:50 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
38h 20m3 stops Denver Intl Los Angeles Los Angeles Nadi
$943Multiple Airlines
Sun, Sep 27 - Mon, Sep 28
Qantas Airways Logo
9:25 pm - 5:00 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 35m1 stop San Francisco
Qantas Airways Logo
8:23 am - 7:05 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
31h 42m1 stop Los Angeles Los Angeles
$992Qantas Airways
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
9:10 am - 12:23 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
30h 13m2 stops Los Angeles Los Angeles Denver Intl
Multiple Airlines Logo
6:00 am - 7:05 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 05m2 stops Dallas/Fort Worth Los Angeles Los Angeles
$1,051Multiple Airlines
Tue, Feb 2 - Wed, Mar 10
Philippine Airlines Logo
11:30 am - 4:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
46h 25m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
10:45 pm - 9:50 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Manila Ninoy Aquino Intl
$1,079Philippine Airlines
Sun, Sep 27 - Mon, Sep 28
Multiple Airlines Logo
6:00 am - 12:45 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
33h 45m3 stops Nadi Los Angeles Los Angeles Dallas/Fort Worth
Multiple Airlines Logo
10:26 am - 11:50 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 24m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
$1,164Multiple Airlines
Wed, Oct 14 - Fri, Oct 30
Qantas Airways Logo
1:00 pm - 7:16 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 16m1 stop Dallas/Fort Worth
Qantas Airways Logo
8:29 am - 9:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
32h 31m1 stop Los Angeles Los Angeles
$1,278Qantas Airways
Wed, Oct 7 - Wed, Oct 14
Qantas Airways Logo
1:00 pm - 7:16 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 16m1 stop Dallas/Fort Worth
Qantas Airways Logo
8:30 pm - 7:30 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
43h 00m1 stop Los Angeles Los Angeles
$1,346Qantas Airways
Tue, Sep 15 - Wed, Sep 30
United Airlines Logo
10:20 am - 5:05 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 45m2 stops San Francisco Denver Intl
United Airlines Logo
3:35 pm - 7:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 25m2 stops San Francisco Los Angeles Los Angeles
$1,619United Airlines
Tue, Oct 13 - Mon, Jan 4
United Airlines Logo
11:20 am - 2:50 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
19h 30m1 stop San Francisco
United Airlines Logo
4:21 pm - 9:05 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
23h 44m1 stop Los Angeles Los Angeles
$1,619United Airlines
Tue, Nov 3 - Mon, Nov 9
United Airlines Logo
11:50 am - 5:05 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 15m2 stops San Francisco Denver Intl
United Airlines Logo
9:35 pm - 7:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
40h 25m1 stop Houston George Bush Intcntl
$1,620United Airlines
Booking Insights

Price, demand and travel trends for Sydney to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Sydney to Chicago O'Hare Intl Airport with more confidence.

What's the cheapest day of the week to fly from Sydney to Chicago O'Hare Intl Airport?

Wednesday is the cheapest day of the week to fly from Sydney to Chicago O'Hare Intl Airport, it is 9% cheaper than the average day. Monday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from Sydney to Chicago O'Hare Intl Airport at $947 round-trip.
  • July ($1,403) and December ($1,365) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 48% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Sydney to Chicago O'Hare Intl Airport the cheapest?

Flights from Sydney to Chicago O'Hare Intl Airport are cheapest 20 weeks before departure. Booking in this window typically costs about 10% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Sydney to Chicago O'Hare Intl Airport flights

Low season

February

Cheapest flight

$656
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from Sydney to Chicago O'Hare Intl 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

Your Sydney to Chicago O'Hare Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Sydney to Chicago O'Hare Intl Airport?

    Flights from Sydney to Chicago O'Hare Intl Airport usually depart from Sydney Kingsford Smith (SYD) and arrive at Chicago O'Hare Intl (ORD).

  • What cabin classes can I book on flights from Sydney to Chicago O'Hare Intl Airport?

    Three cabin classes are available on flights from Sydney to Chicago O'Hare Intl Airport:

    • Economy Class
    • Premium Economy Class
    • First Class

  • Which airports do connecting flights from Sydney to Chicago O'Hare Intl Airport pass through?

    One-stop flights from Sydney to Chicago O'Hare Intl Airport most commonly connect through:

    • Los Angeles Los Angeles (LAX) - 66% of one-stop connections
    • Vancouver Intl (YVR) - 17% of one-stop connections
    • San Francisco (SFO) - 8% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections

    Los Angeles Los Angeles (LAX) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Sydney to Chicago O'Hare Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 17% on the Sydney to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at $1,136 round-trip on average, while Monday is the most expensive at $1,364, a difference of $228. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

  • How expensive are last-minute Sydney to Chicago O'Hare Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 9% below the route average of $1,244. Booking late can sometimes save money on this route, but inventory is limited.

  • How long is a flight from Sydney to Chicago O'Hare Intl Airport?

    A nonstop flight from Sydney to Chicago O'Hare Intl Airport takes 0h 00m, covering 9,228 miles.

  • Do I need a passport to fly from Sydney to Chicago O'Hare Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Sydney to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Sydney to Chicago O'Hare Intl Airport are currently higher than usual. Average one-way flight prices are about $995, which is 7% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Sydney to Chicago O'Hare Intl Airport?

    Flying via Auckland Intl (AKL) gives the shortest average 1-stop total travel time at 17h 45m, compared with 20h 46m via Dallas/Fort Worth (DFW) and 21h 07m via Los Angeles Los Angeles (LAX).

  • What is the time difference between Sydney and Chicago O'Hare Intl Airport?

    Chicago O'Hare Intl Airport is 15 hours behind Sydney (Central Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Europcar
    · Hertz
    · Dollar
    · Ace

  • How much should I expect to pay for a Sydney to Chicago O'Hare Intl Airport flight?

    Round-trip flights from Sydney to Chicago O'Hare Intl Airport range from $1,060 to $1,502, with an average of $1,244 over the past 12 months. Anything below $1,060 counts as a good deal.

Your guide to booking Sydney to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $1,136 - about $228 less than Monday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 10% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Chicago O'Hare Intl Airport trip for September. Fares historically average $947 round-trip in that month - typically $456 less than the most expensive month, which is July (based on the last 12 months).

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)