Cheap flights from Sydney to Chicago O'Hare Intl Airport from $723
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 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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 return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from Sydney to Chicago
All return flight deals from Sydney to Chicago
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
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
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 February is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Sydney, with most prices found around $1,445. If you are unable to visit Chicago O'Hare Intl Airport during the month of February, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $1,572.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart from Sydney to Chicago O'Hare Intl Airport is on a Monday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Monday will often find tickets for as low as $1,953. The most expensive day to fly to Chicago O'Hare Intl Airport is Sunday, with ticket prices averaging around $2,378.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Our data shows that the cheapest Sydney to Chicago O'Hare Intl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Chicago O'Hare Intl Airport in the afternoon for as low as $1,856. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $2,104.
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 24 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,910 when searching 24 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 $1,706 on momondo.
What is the cheapest airline that flies from Sydney Kingsford Smith to Chicago O'Hare Intl?
Qantas Airways, United Airlines, and Air Tahiti Nui are the most popular carriers operating from Sydney Kingsford Smith to Chicago O'Hare Intl
Which airlines fly to Chicago O'Hare Intl Airport?
Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Sydney according to our data. Qantas Airways is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Chicago O'Hare Intl Airport. Keep in mind that there are 9 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
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?
There are 14845.8 km between Sydney Kingsford Smith and Chicago O'Hare Intl. Flights usually cover this in 20h 19m, depending on flying conditions and air traffic around both airports.
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 refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport is 9 as of January 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 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.
What is the most popular airline from Sydney to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Chicago O'Hare Intl Airport is Qantas Airways (37% of total bookings). The next most popular airlines are Air Canada (18%), United Airlines (14%), and ANA (10%).
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 $1,125 | Free cancellation | Rating 7.5 821 reviews | |||
| PriceFrom $1,446 | Free cancellation | Rating 7.9 485 reviews | |||
| PriceFrom $1,546 | Free cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,550 | Free cancellation | Rating 7.0 8,593 reviews | |||
| PriceFrom $1,572 | Free cancellation | Rating 7.4 8,969 reviews | |||
| PriceFrom $1,577 | Free cancellation | Rating 8.4 847 reviews | |||
| PriceFrom $1,786 | Free cancellation | Rating 7.5 434 reviews | |||
| PriceFrom $1,881 | Free cancellation | Rating 8.0 8,513 reviews | |||
| PriceFrom $1,930 | Free cancellation | Rating 7.6 826 reviews |
Travelling 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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Chicago. momondo saves you time and could save you money on your trip.
Can I find flights from Sydney to Chicago with flexible booking policies on momondo?
Flights from Sydney to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Sydney to Chicago?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Chicago.
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.