Cheap flights from Sydney to Chicago O'Hare Intl Airport from $520
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Chicago O'Hare Intl Airport departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Sydney to Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Air Canada flights from Sydney to Chicago O'Hare Intl Airport
Our best Air Canada deals on Sydney to Chicago O'Hare Intl Airport flight tickets
Qantas Airways flights from Sydney to Chicago O'Hare Intl Airport
Our best Qantas Airways deals on Sydney to Chicago O'Hare Intl Airport flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from Sydney to Chicago O'Hare Intl Airport
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 to Chicago O'Hare Intl Airport?
The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Sydney averaging around $886.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Monday when prices can be found for as low as $886. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,619.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Sydney in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,274 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $1,432. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Sydney when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,098 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Sydney for as low as $849 on momondo.
When to book flights from Sydney to Chicago O'Hare Intl Airport
Cheap Sydney to Chicago O'Hare Intl Airport (SYD to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to Chicago O'Hare Intl Airport
How far is Sydney Kingsford Smith to Chicago O'Hare Intl by plane?
A flight from Sydney Kingsford Smith to Chicago O'Hare Intl will travel around 9224.8 mi. 20h 23m is a normal flight duration for this route.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport?
Prices for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport?
There are 2 operators available for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport as of March 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl 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 license 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.
What is the most popular airline from Sydney to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Sydney and Chicago O'Hare Intl Airport, the leading airline is Qantas Airways, making up 57% of the total bookings. Other popular airlines include American Airlines with 43%.
Best airlines flying from Sydney to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Sydney to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $631 | Free Cancellation | Rating 7.5 811 reviews | |||
| PriceFrom $884 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Sydney to Chicago?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Chicago for you.
Can I find flights from Sydney to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Sydney with this policy.
How can momondo help me find flights from Sydney to Chicago?
Once all potential Sydney to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Sydney to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Sydney to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.