Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Chicago from $813

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 departing on 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

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.
Search flight deals

Find the cheapest flights from Sydney to Chicago

Cheap return flights

Logo
13:15 - 05:25SYD-ORD
31h 10m2 stops
Logo
07:05 - 11:45ORD-SYD
37h 40m2 stops
$1,430
Find Deal
Fri, 8 Aug - Sat, 23 Aug
Logo
13:15 - 05:40SYD-ORD
31h 25m2 stops
Logo
07:05 - 11:45ORD-SYD
37h 40m2 stops
$1,511
Find Deal
Wed, 27 Aug - Wed, 3 Sep
Logo
09:20 - 06:03SYD-ORD
35h 43m3 stops
Logo
07:05 - 07:20ORD-SYD
33h 15m2 stops
$1,534
Find Deal
Sun, 10 Aug - Sun, 17 Aug
Air New Zealand Logo
11:50 - 22:59SYD-ORD
26h 09m2 stops
Air New Zealand Logo
14:30 - 08:45ORD-SYD
25h 15m2 stops
$1,619Air New Zealand
Find Deal
Sat, 26 Jul - Tue, 11 Nov
ANA Logo
11:50 - 05:01SYD-ORD
32h 11m2 stops
ANA Logo
17:45 - 09:25ORD-SYD
24h 40m1 stop
$1,698ANA
Find Deal
Sun, 24 Aug - Sun, 31 Aug
Air New Zealand Logo
09:55 - 04:51SYD-ORD
33h 56m2 stops
Air New Zealand Logo
16:30 - 08:45ORD-SYD
25h 15m2 stops
$1,708Air New Zealand
Find Deal
Sat, 2 Aug - Tue, 19 Aug
ANA Logo
12:25 - 05:16SYD-ORD
33h 51m2 stops
ANA Logo
16:25 - 20:15ORD-SYD
34h 50m1 stop
$1,713ANA
Find Deal
Wed, 5 Nov - Thu, 13 Nov
Air Canada Logo
10:20 - 20:11SYD-ORD
25h 51m2 stops
Air Canada Logo
07:15 - 08:35ORD-SYD
33h 20m3 stops
$1,876Air Canada
Find Deal
Tue, 7 Oct - Tue, 28 Oct
Air Canada Logo
09:20 - 14:54SYD-ORD
20h 34m1 stop
Air Canada Logo
14:08 - 07:20ORD-SYD
26h 12m2 stops
$1,898Air Canada
Find Deal
Tue, 12 Aug - Tue, 19 Aug
American Airlines Logo
09:10 - 06:05SYD-ORD
35h 55m1 stop
American Airlines Logo
15:17 - 06:05ORD-SYD
23h 48m1 stop
$1,974American Airlines
Find Deal
Sun, 10 Aug - Sun, 24 Aug

Air New Zealand flights from Sydney to Chicago O'Hare Intl Airport

Our best Air New Zealand deals on Sydney to Chicago O'Hare Intl Airport flight tickets
Air New Zealand
26 July
SYD11:50Sydney Kingsford Smith
26h 09m
2 stops
ORD22:59Chicago O'Hare Intl
11 Nov
ORD14:30Chicago O'Hare Intl
25h 15m
2 stops
SYD08:45Sydney Kingsford Smith
$1,619
Find similar
Air New Zealand
2 Aug
SYD09:55Sydney Kingsford Smith
33h 56m
2 stops
ORD04:51Chicago O'Hare Intl
19 Aug
ORD16:30Chicago O'Hare Intl
25h 15m
2 stops
SYD08:45Sydney Kingsford Smith
$1,708
Find similar
Air New Zealand
11 Aug
SYD09:55Sydney Kingsford Smith
28h 04m
2 stops
ORD22:59Chicago O'Hare Intl
18 Aug
ORD16:50Chicago O'Hare Intl
26h 45m
2 stops
SYD10:35Sydney Kingsford Smith
$1,743
Find similar

ANA flights from Sydney to Chicago O'Hare Intl Airport

Our best ANA deals on Sydney to Chicago O'Hare Intl Airport flight tickets
ANA
24 Aug
SYD11:50Sydney Kingsford Smith
32h 11m
2 stops
ORD05:01Chicago O'Hare Intl
31 Aug
ORD17:45Chicago O'Hare Intl
24h 40m
1 stop
SYD09:25Sydney Kingsford Smith
$1,698
Find similar
ANA
5 Nov
SYD12:25Sydney Kingsford Smith
33h 51m
2 stops
ORD05:16Chicago O'Hare Intl
13 Nov
ORD16:25Chicago O'Hare Intl
34h 50m
1 stop
SYD20:15Sydney Kingsford Smith
$1,713
Find similar
ANA
26 Aug
SYD11:50Sydney Kingsford Smith
32h 11m
2 stops
ORD05:01Chicago O'Hare Intl
2 Sept
ORD17:45Chicago O'Hare Intl
24h 40m
1 stop
SYD09:25Sydney Kingsford Smith
$1,719
Find similar

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 typical price of a round-trip flight between Sydney and Chicago O'Hare Intl Airport?

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 $1,126. If you are unable to visit Chicago O'Hare Intl Airport during the month of February, then departing from Sydney during the month May is also very affordable. Most momondo users find prices during this month for around $1,134.

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 $1,844. The most expensive day to fly to Chicago O'Hare Intl Airport is Sunday, with ticket prices averaging around $2,246.

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 $1,753. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $1,988.

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 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,549 when searching weeks before you fly. 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 $1,277 on momondo.

How have Sydney to Chicago O'Hare Intl Airport flight prices changed over time?

As of July 2025, prices for Sydney to Chicago O'Hare Intl Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Best price found

$813

Fastest flight time

20h 21m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Sydney in the past 72 hours is $813. The best return flight deal from Sydney to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $1,430.
The fastest flight from Sydney to Chicago O'Hare Intl Airport takes 20h 21m
There are no direct flights from Sydney to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Chicago O'Hare Intl Airport.
Search flight deals

  • 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 21m, 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?

  • 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?

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
Qantas AirwaysPriceFrom $1,004Free cancellationRating
7.5
877 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,185Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,264Free cancellationRating
7.1
9,717 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,549Free cancellationRating
8.0
494 reviews
Search Air New Zealand flights
ANAPriceFrom $1,596Free cancellationRating
8.4
902 reviews
Search ANA flights
United AirlinesPriceFrom $1,678Free cancellationRating
7.4
8,856 reviews
Search United Airlines flights
Virgin AustraliaPriceFrom $1,751Free cancellationRating
7.5
408 reviews
Search Virgin Australia flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont
Naperville

Why 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.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 19/7
Sat 26/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago