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Cheap flight tickets from Sydney to Chicago O'Hare International

Compare Sydney to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

Book the best Chicago O'Hare International fare with no extra fees

Flight deals from Sydney to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Sydney to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.
Chicago.RM3,025 per passenger.Departing Tue, 14 Apr, returning Fri, 24 Apr.Return flight with Fiji Airways and Spirit Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Tue, 14 Apr, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Fri, 24 Apr, arriving in Sydney.Price includes taxes and charges.From RM3,025, select.
Chicago.RM3,025 per passenger.Departing Wed, 15 Apr, returning Fri, 15 May.Return flight with Fiji Airways and Spirit Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Wed, 15 Apr, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Fri, 15 May, arriving in Sydney.Price includes taxes and charges.From RM3,025, select.
Chicago.RM3,204 per passenger.Departing Mon, 1 Jun, returning Sat, 1 Aug.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Mon, 1 Jun, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sat, 1 Aug, arriving in Sydney.Price includes taxes and charges.From RM3,204, select.
Chicago.RM3,235 per passenger.Departing Wed, 24 Jun, returning Wed, 15 Jul.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Wed, 24 Jun, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 15 Jul, arriving in Sydney.Price includes taxes and charges.From RM3,235, select.
Chicago.RM3,337 per passenger.Departing Wed, 15 Jul, returning Wed, 12 Aug.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Wed, 15 Jul, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 12 Aug, arriving in Sydney.Price includes taxes and charges.From RM3,337, select.
Chicago.RM3,454 per passenger.Departing Mon, 8 Jun, returning Sun, 6 Sep.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Mon, 8 Jun, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sun, 6 Sep, arriving in Sydney.Price includes taxes and charges.From RM3,454, select.
Chicago.RM3,493 per passenger.Departing Wed, 27 May, returning Wed, 3 Jun.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Wed, 27 May, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 3 Jun, arriving in Sydney.Price includes taxes and charges.From RM3,493, select.
Chicago.RM3,541 per passenger.Departing Fri, 17 Jul, returning Mon, 27 Jul.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Fri, 17 Jul, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 27 Jul, arriving in Sydney.Price includes taxes and charges.From RM3,541, select.

Find the cheapest month to fly from Sydney to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Chicago O'Hare International flights are currently cheapest in April.
Feb
from RM4,262
Mar
from RM3,801
Apr
from RM3,025
May
from RM3,855
Jun
from RM3,887
Jul
from RM3,541
Aug
from RM3,874
Sep
from RM3,987
Oct
from RM3,855
Nov
from RM4,113
Dec
from RM4,273
Jan
from RM8,366

Sydney to Chicago O'Hare International: Alternative routes

Compare routes from Sydney to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Chicago Midway

14km from central Chicago
Closest
from RM4,150
Search flights

Chicago O'Hare International

25km from central Chicago
Cheapest
from RM3,025
Search flights

Chicago Dupage County

51km from central Chicago
Search flights

Chicago Rockford

126km from central Chicago
from RM9,865
Search flights

Sydney to Chicago: Flight information

The things to know before you go.
Cheapest flight foundRM3,025
Cheapest month to flyApril

Finding cheap flights from Sydney to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Sydney to Chicago O'Hare International is RM3,025. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Chicago O'Hare International. But we found flights with one or more stops from RM3,025.
As of February 2026, there are no flights flying from Sydney to Chicago O'Hare International.
The cheapest month to fly from Sydney to Chicago O'Hare International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Chicago O'Hare International Airport on Tuesday, 14 April 2026.
No airlines currently offer direct flights between Sydney Airport and Chicago O'Hare International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Fiji Airways offers the cheapest flight tickets to Chicago O'Hare International.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to O'Hare International Airport (ORD): what you need to know

  • Chicago is 16 hours behind Sydney and is in the UTC-5 timezone.

  • To ensure you get on your SYD to ORD flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • You'll likely experience bigger queues in popular months like April. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Consider adding a stopover when booking your ticket from Sydney (Kingsford Smith) Airport to O'Hare International Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between SYD and ORD:

    • Los Angeles International Airport

    • San Francisco International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to O'Hare International Airport (ORD)

  • Right now, RM2,202 is the cheapest price we've seen for a one-way Sydney (Kingsford Smith) Airport to O'Hare International Airport flight. The best price for a return plane ticket is RM3,025. Bear in mind that fares can change due to availability at the time of booking.

  • To get your hands on cheap tickets from SYD to ORD, book as early as you can. Airlines typically offer lower prices when flights are first released.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the cheapest price in every month when looking for a flight from Sydney (Kingsford Smith) Airport to O'Hare International Airport.

  • There's no need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment the price changes on cheap flights from SYD to ORD.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Sydney (Kingsford Smith) Airport to O'Hare International Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • Of the departures from Sydney (Kingsford Smith) Airport, 69.62% land on time at their destination.

  • Central Sydney to Sydney (Kingsford Smith) Airport is approximately 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a trip time of roughly 25 minutes when using public transport.

  • Taking an early flight from Sydney (Kingsford Smith) Airport to O'Hare International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays close to SYD:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • You'll find ORD at 10000 West O'Hare.

  • O'Hare International Airport to the centre of Chicago has a drive time of around 35 minutes. It's approximately 40 kilometres away.

  • When travelling by public transport, expect a journey of about 55 minutes.

When to fly to O'Hare International Airport (ORD)

  • It's time to work out your dates for your flight from Sydney (Kingsford Smith) Airport to O'Hare International Airport. August is the most popular month to visit Chicago. If you'd like a quieter vibe, go in January.

  • The warmest month in Chicago is July, with temperatures ranging between 15ºC (59ºF) and 29ºC (84ºF). Book your flights from Sydney (Kingsford Smith) Airport to O'Hare International Airport in this month if this is the type of weather you enjoy.

  • If you like cooler conditions, look for a cheap ticket from SYD to ORD in January. Average temperatures are between -12ºC (10ºF) and 3ºC (37ºF) then.

Explore more of United States

  • Columbus is just one of the many cities in United States waiting to be explored once you've taken in the sights of Chicago. Around 451 kilometres away to the south-east, check out popular attractions including Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Indianapolis is another essential stop in United States and is around 257 kilometres south-east of Chicago. No journey is complete without seeing The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.