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$182+ 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 8/8. 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
15 Jul — 22 Jul1
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 10 July 2025.

Cheapest airline

Spirit Airlines

Good round-trip deal

$138 or less

Good one-way deal

$110 or less
On average, Spirit Airlines currently has the cheapest one-way flight from Chicago O'Hare Intl (avg. price of $184).
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Price to beat on a round-trip flight from Chicago O'Hare Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl.
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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 10 July 2025.

Tue 19/811:45ORD - SYD
1 stop28h 20mAmerican Airlines
Tue 26/809:10SYD - ORD
1 stop24h 26mAmerican Airlines
Deal found 7/7$1,347
Wed 20/807:05ORD - SYD
2 stops37h 40mMultiple Airlines
Wed 27/813:15SYD - ORD
2 stops31h 25mMultiple Airlines
Deal found 8/7$1,373
Wed 20/807:05ORD - BNE
2 stops36h 55mMultiple Airlines
Wed 27/813:50BNE - ORD
2 stops30h 50mMultiple Airlines
Deal found 8/7$1,586
Tue 16/917:46ORD - CBR
2 stops25h 29mAmerican Airlines
Mon 29/908:40CBR - ORD
2 stops23h 33mAmerican Airlines
Deal found 7/7$1,607
Thu 21/816:00ORD - PER
2 stops38h 30mMultiple Airlines
Thu 28/807:50PER - ORD
2 stops43h 35mMultiple Airlines
Deal found 8/7$1,623
Wed 20/807:05ORD - MEL
2 stops36h 45mMultiple Airlines
Wed 27/812:05MEL - ORD
2 stops32h 35mMultiple Airlines
Deal found 9/7$1,632
Sun 31/820:20ORD - SYD
2 stops31h 55mANA
Sun 14/911:50SYD - ORD
1 stop35h 50mANA
Deal found 9/7$1,745
Sat 23/807:05ORD - ADL
2 stops38h 00mMultiple Airlines
Sat 30/812:35ADL - ORD
2 stops31h 35mMultiple Airlines
Deal found 9/7$1,748
Wed 20/816:21ORD - ADL
2 stops26h 34mAmerican Airlines
Wed 27/808:00ADL - ORD
2 stops27h 27mAmerican Airlines
Deal found 7/7$1,854
Wed 19/1110:15ORD - MEL
1 stop25h 45mAmerican Airlines
Mon 1/1212:00MEL - ORD
1 stop28h 00mAmerican Airlines
Deal found 7/7$1,884
Tue 19/816:30ORD - MEL
2 stops27h 20mAir New Zealand
Wed 27/808:35MEL - ORD
2 stops35h 26mAir New Zealand
Deal found 8/7$1,944
Mon 10/1114:30ORD - BNE
2 stops27h 25mAir New Zealand
Mon 17/1108:20BNE - ORD
2 stops26h 30mAir New Zealand
Deal found 8/7$1,944

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 10 July 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

Tue 19/8

11:45-07:05

1 stop28h 20m

Sydney Kingsford Smith

Tue 26/8

09:10-18:36

1 stop24h 26m

$1,347

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 20/8

07:05-11:45

2 stops37h 40m

Sydney Kingsford Smith

Wed 27/8

13:15-05:40

2 stops31h 25m

$1,373

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 20/8

07:05-11:00

2 stops36h 55m

Brisbane

Wed 27/8

13:50-05:40

2 stops30h 50m

$1,586

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Tue 16/9

17:46-10:15

2 stops25h 29m

Canberra

Mon 29/9

08:40-17:13

2 stops23h 33m

$1,607

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 21/8

16:00-19:30

2 stops38h 30m

Perth

Thu 28/8

07:50-14:25

2 stops43h 35m

$1,623

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 20/8

07:05-10:50

2 stops36h 45m

Melbourne

Wed 27/8

12:05-05:40

2 stops32h 35m

$1,632

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 3/11

16:25-10:30

1 stop25h 05m

Sydney Kingsford Smith

Mon 17/11

21:45-07:20

1 stop26h 35m

$1,739

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 23/8

07:05-11:35

2 stops38h 00m

Adelaide

Sat 30/8

12:35-05:40

2 stops31h 35m

$1,748

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 20/8

16:21-09:25

2 stops26h 34m

Adelaide

Wed 27/8

08:00-20:57

2 stops27h 27m

$1,854

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 19/11

10:15-05:00

1 stop25h 45m

Melbourne

Mon 1/12

12:00-23:00

1 stop28h 00m

$1,884

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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 27 June 2025.

The best time to book flights from Chicago O'Hare Intl Airport is 39 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport (average of $303). Flying from Chicago O'Hare Intl Airport in December will prove the most costly (average of $1,320). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Chicago O'Hare Intl Airport?

When flying from Chicago O'Hare Intl Airport check dates and pricing for the following: Qantas Airways, Air Canada. As they depart for the following popular destinations: Sydney.

Qantas Airways
Qantas Airways
From $854
Air Canada
Air Canada
From $1,092
American Airlines
American Airlines
From $140
Spirit Airlines
Spirit Airlines
From $59

What are popular destinations to fly to from Chicago O'Hare Intl Airport?

Chicago O'Hare Intl Airport offers frequent flights to New York (1,025 flights per day), Detroit (1,012 flights per day) and Los Angeles (721 flights per day).

Los Angeles
Los Angeles
From $59
New York
New York
From $72
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $121
Amman Queen Alia Intl
Amman Queen Alia Intl
From $1,254

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

The cheapest city to fly to from Chicago O'Hare Intl Airport is Orlando, with prices starting at $68. Explore other affordable destinations below.

Orlando
Orlando
From $45
Dallas/Fort Worth
Dallas/Fort Worth
From $58
Los Angeles
Los Angeles
From $59
Miami
Miami
From $64

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.
Check out reviews from past customers who have flown ANA, Alaska Airlines, andFiji Airways from Chicago O'Hare Intl Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
898 reviews
Check prices

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
ANA
8.4
Very Good
898 reviews
ANA
8.4
Very Good
898 reviews
Check prices

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Alaska Airlines
8.0
Very Good
10,000 reviews
ANA
8.4
Very Good
898 reviews
Check prices

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Fiji Airways
8.0
Very Good
201 reviews
ANA
8.4
Very Good
898 reviews
Check prices

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Qantas Airways
7.5
Good
873 reviews
ANA
8.4
Very Good
898 reviews
Check prices

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
American Airlines
7.2
Good
10,000 reviews
ANA
8.4
Very Good
898 reviews
Check prices

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Browse thousands of different options on Cheapflights for your next trip

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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 10 July 2025.
Flights from St. Louis
Flights from Evansville
Flights from Belleville
Flights from Bloomington
Flights from Peoria
Flights from Midway
Flights from Moline
Flights from Springfield

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 10 July 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 Athens, Amman, Boston. 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 $68 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $620 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 Qantas Airways 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 ($90). American Airlines flights from Chicago O'Hare Intl Airport to Richmond Byrd Intl ($214). Qantas Airways flights from Chicago O'Hare Intl Airport to Melbourne ($1,307).

  • 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 $644
    Fly from Chicago O'Hare Intl to Newark Airport starting at $649
    Fly from Chicago O'Hare Intl to Harrisburg starting at $782
    Fly from Chicago O'Hare Intl to Toronto Pearson Intl Airport starting at $1,844

  • 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 $840 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 August. 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 Sydney from $1,315 round trip
    Fly from Chicago to Melbourne from $1,477 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.

  • 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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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.

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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