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$192+ Cheap flights from Chicago O'Hare Intl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — SYD
5 mei. — 12 mei.1
1 adult

What to know about flights from O'Hare Intl

Discover essential information about flights departing from O'Hare Intl, including flight schedules, destinations, airlines operating at the O'Hare Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 30 april 2025.

Cheapest airline

Qantas Airways

Good round-trip deal

$169 or less

Good one-way deal

$128 or less
On average, Qantas Airways currently has the cheapest one-way flight from Chicago O'Hare Intl (avg. price of $1,485).
Price to beat on a round-trip flight from Chicago O'Hare Intl.
Price to beat on a one-way flight from Chicago O'Hare Intl.

Find flights from O'Hare Intl

Cheapest flights from O'Hare Intl
Explore the most affordable flight options available from O'Hare Intl. Find the lowest fares based on data from user searches, with prices last updated on 30 april 2025.

do 5/615:17ORD - SYD
2 stops32h 23mMultiple Airlines
do 12/617:45SYD - ORD
1 stop28h 06mMultiple Airlines
Deal found 29/4$1,808
za 14/606:10ORD - MEL
2 stops39h 05mMultiple Airlines
za 21/613:40MEL - ORD
2 stops24h 25mMultiple Airlines
Deal found 30/4$1,824
za 18/1019:03ORD - BNE
2 stops24h 22mFiji Airways
za 25/1011:40BNE - ORD
2 stops24h 22mFiji Airways
Deal found 29/4$1,849
di 21/1017:45ORD - SYD
1 stop34h 30mANA
vr 31/1012:25SYD - ORD
2 stops32h 38mANA
Deal found 29/4$1,852
zo 17/815:35ORD - SYD
2 stops26h 10mAir New Zealand
ma 1/909:55SYD - ORD
2 stops28h 20mAir New Zealand
Deal found 30/4$1,867
di 21/1016:25ORD - MEL
2 stops26h 25mAir New Zealand
di 11/1108:35MEL - ORD
2 stops28h 47mAir New Zealand
Deal found 29/4$1,975
za 18/1019:03ORD - SYD
2 stops25h 42mFiji Airways
za 25/1014:45SYD - ORD
2 stops22h 17mFiji Airways
Deal found 30/4$1,981
wo 22/1023:45ORD - MEL
2 stops52h 40mTurkish Airlines
wo 12/1120:40MEL - ORD
2 stops54h 30mTurkish Airlines
Deal found 29/4$2,045
wo 17/916:00ORD - SYD
1 stop27h 50mCathay Pacific
di 30/921:50SYD - ORD
1 stop31h 35mCathay Pacific
Deal found 29/4$2,061
ma 19/518:59ORD - BNE
2 stops24h 36mMultiple Airlines
do 9/1011:40BNE - ORD
2 stops26h 51mMultiple Airlines
Deal found 28/4$2,069
di 14/1008:50ORD - MEL
1 stop29h 55mQantas Airways
di 28/1012:00MEL - ORD
1 stop21h 02mQantas Airways
Deal found 28/4$2,095
wo 2/718:53ORD - SYD
1 stop21h 12mQantas Airways
wo 13/812:10SYD - ORD
1 stop20h 05mQantas Airways
Deal found 29/4$2,106

Find flights from O'Hare Intl within your budget

Find flights departing from O'Hare Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 30 april 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

do 5/6

15:17-14:40

2 stops32h 23m

Sydney Kingsford Smith

do 12/6

17:45-06:51

1 stop28h 06m

$1,808

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

za 14/6

06:10-12:15

2 stops39h 05m

Melbourne

za 21/6

13:40-23:05

2 stops24h 25m

$1,824

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

za 18/10

19:03-10:25

2 stops24h 22m

Brisbane

za 25/10

11:40-21:02

2 stops24h 22m

$1,849

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

di 21/10

17:45-20:15

1 stop34h 30m

Sydney Kingsford Smith

vr 31/10

12:25-05:03

2 stops32h 38m

$1,852

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

zo 17/8

15:35-08:45

2 stops26h 10m

Sydney Kingsford Smith

ma 1/9

09:55-23:15

2 stops28h 20m

$1,867

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

di 21/10

16:25-10:50

2 stops26h 25m

Melbourne

di 11/11

08:35-20:22

2 stops28h 47m

$1,975

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

za 18/10

19:03-12:45

2 stops25h 42m

Sydney Kingsford Smith

za 25/10

14:45-21:02

2 stops22h 17m

$1,981

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

wo 22/10

23:45-20:25

2 stops52h 40m

Melbourne

wo 12/11

20:40-10:10

2 stops54h 30m

$2,045

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

wo 17/9

16:00-10:50

1 stop27h 50m

Sydney Kingsford Smith

di 30/9

21:50-14:25

1 stop31h 35m

$2,061

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

ma 19/5

18:59-10:35

2 stops24h 36m

Brisbane

do 9/10

11:40-23:31

2 stops26h 51m

$2,069

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from O'Hare Intl

Get recent, data-driven insights about flights from O'Hare Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Sydney. Price data was last updated on 25 April 2025.

The best time to book flights from Chicago O'Hare Intl Airport is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport (average of $1,132). Flying from Chicago O'Hare Intl Airport in December will prove the most costly (average of $1,346). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from O'Hare Intl

Get insights into the airlines that provide service from O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from O'Hare Intl. In the last 7 days, Cheapflights users made a total of 647,157 searches.

Comfort

8.1

Crew

9.1

Overall

8.8

Entertainment

7.3

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Comfort

8.1

Crew

9.1

Overall

8.8

Entertainment

7.3

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Comfort

8.1

Crew

9.1

Overall

8.8

Entertainment

7.3

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.3
Very Good

Comfort

8.1

Crew

9.1

Overall

8.8

Entertainment

7.3

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Comfort

8.1

Crew

9.1

Overall

8.8

Entertainment

7.3

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.0
Very Good

Comfort

8.1

Crew

9.1

Overall

8.8

Entertainment

7.3

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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Alternate flight departure points to O'Hare Intl

Consider leaving from one of these other departure points that are located a short distance from O'Hare Intl. Flight origins were last updated on 30 april 2025.

Related info for your journey

Access useful and relevant information related to your journey from O'Hare Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 30 april 2025.
  • What are the most popular destinations to fly to from Chicago O'Hare Intl Airport?

    For the current month, the most popular flights from Chicago O'Hare Intl Airport are Atlanta, Boston, Bangkok Suvarnabhumi Airport. Ahmedabad, Mumbai, Athens are the most popular locations from Chicago O'Hare Intl Airport year round.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to anywhere?

    Users have flown out of Chicago O'Hare Intl Airport for as low as $70 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $956 to fly from Chicago O'Hare Intl Airport.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to anywhere?

    According to our data, users have found Spirit Airlines, American Airlines, and Turkish Airlines to have the cheapest round-trip prices from Chicago O'Hare Intl Airport. Some of the destinations and prices are as follows: Spirit Airlines flights from Chicago O'Hare Intl Airport to New York ($92). American Airlines flights from Chicago O'Hare Intl Airport to Richmond Byrd Intl ($219). Turkish Airlines flights from Chicago O'Hare Intl Airport to Mumbai Chhatrapati Shivaji Intl ($1,285).

  • What is the cheapest premium economy flight from Chicago O'Hare Intl Airport?

    Options for some of the cheapest premium economy flights from Chicago O'Hare Intl Airport we have found on Cheapflights are as follows:
    Fly from Chicago O'Hare Intl to New York LaGuardia Airport starting at $657
    Fly from Chicago O'Hare Intl to Newark Airport starting at $662
    Fly from Chicago O'Hare Intl to Harrisburg starting at $798
    Fly from Chicago O'Hare Intl to Amsterdam starting at $3,989

  • What is the cheapest first class flight from Chicago O'Hare Intl Airport?

    If you’re looking to fly first-class from Chicago O'Hare Intl Airport to anywhere, put New York on your list as prices start at $857 for this destination.

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

    Currently, the cheapest month for flights from Chicago O'Hare Intl Airport is March. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Chicago O'Hare Intl Airport?

    View the cheapest flight destinations from Chicago O'Hare Intl Airport:
    Fly from Chicago to Melbourne from $1,519 round trip
    Fly from Chicago to Sydney from $1,588 round trip

  • How does Cheapflights help users find flights from O'Hare Intl?

    Cheapflights helps you search for flights from O'Hare Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl?

    Cheapflights helps you find that perfect flight from O'Hare Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from O'Hare Intl with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl flexibly with Cheapflights today.

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl?

Cheapflights helps you find that perfect flight from O'Hare Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from O'Hare Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from O'Hare Intl become cheaper?

Of course! You can now track prices for flights from O'Hare Intl and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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