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$118+ 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 3/3. 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
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

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 8 February 2026.

Cheapest airline

Qantas Airways

Good round-trip deal

$248 or less

Good one-way deal

$166 or less
On average, Qantas Airways currently has the cheapest one-way flight from Chicago O'Hare Intl (avg. price of $2,094).
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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

Enter your travel dates to find the best prices.

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 8 February 2026.

Fri 17/407:00
ORD
-
RDU
Nonstop2h 06m
United Airlines
Sun 19/406:15
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 7/2$252
Sat 14/307:10
ORD
-
RDU
Nonstop1h 58m
United Airlines
Tue 17/310:22
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 7/2$266
Wed 15/414:10
ORD
-
RDU
Nonstop2h 08m
United Airlines
Sun 19/406:15
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 6/2$268
Wed 25/210:00
ORD
-
RDU
1 stop6h 38m
JetBlue
Fri 27/215:46
RDU
-
ORD
1 stop8h 13m
JetBlue
Deal found 6/2$272
Wed 15/408:15
ORD
-
RDU
1 stop6h 36m
Delta
Sun 19/405:18
RDU
-
ORD
1 stop4h 19m
Delta
Deal found 6/2$281
Sat 9/509:00
ORD
-
RDU
Nonstop2h 11m
United Airlines
Sun 10/506:20
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 6/2$295
Sat 11/408:50
ORD
-
RDU
Nonstop2h 10m
United Airlines
Sun 12/406:15
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 7/2$309
Sun 24/506:37
ORD
-
RDU
1 stop6h 24m
United Airlines
Sat 30/517:13
RDU
-
ORD
Nonstop2h 30m
United Airlines
Deal found 7/2$323
Thu 9/407:00
ORD
-
RDU
Nonstop2h 06m
United Airlines
Tue 14/410:07
RDU
-
ORD
Nonstop2h 25m
United Airlines
Deal found 5/2$326
Mon 16/307:10
ORD
-
RDU
Nonstop1h 58m
United Airlines
Wed 18/308:22
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 7/2$338
Sat 16/511:00
ORD
-
RDU
Nonstop2h 09m
United Airlines
Tue 19/513:15
RDU
-
ORD
Nonstop2h 35m
United Airlines
Deal found 8/2$339
Thu 5/308:45
ORD
-
RDU
1 stop4h 19m
United Airlines
Mon 9/313:27
RDU
-
ORD
Nonstop2h 28m
United Airlines
Deal found 7/2$346

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 8 February 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Fri 15/5

18:05-21:13

Nonstop2h 08m

Raleigh-Durham

Sun 17/5

06:20-07:48

Nonstop2h 28m

$252

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 14/3

07:10-10:08

Nonstop1h 58m

Raleigh-Durham

Tue 17/3

10:22-11:50

Nonstop2h 28m

$266

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 23/4

21:15-00:30

Nonstop2h 15m

Raleigh-Durham

Tue 28/4

10:07-11:32

Nonstop2h 25m

$268

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 15/4

14:10-17:18

Nonstop2h 08m

Raleigh-Durham

Sun 19/4

06:15-07:43

Nonstop2h 28m

$268

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 25/2

10:00-17:38

1 stop6h 38m

Raleigh-Durham

Fri 27/2

15:46-22:59

1 stop8h 13m

$272

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 11/4

08:50-12:00

Nonstop2h 10m

Raleigh-Durham

Sun 12/4

06:15-07:43

Nonstop2h 28m

$309

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 9/4

07:00-10:06

Nonstop2h 06m

Raleigh-Durham

Tue 14/4

10:07-11:32

Nonstop2h 25m

$326

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Mon 23/3

10:40-13:42

Nonstop2h 02m

Raleigh-Durham

Thu 26/3

06:00-07:31

Nonstop2h 31m

$338

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 16/5

11:00-14:09

Nonstop2h 09m

Raleigh-Durham

Tue 19/5

13:15-14:50

Nonstop2h 35m

$339

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 5/3

08:45-14:04

1 stop4h 19m

Raleigh-Durham

Mon 9/3

13:27-14:55

Nonstop2h 28m

$346

Flights are sorted by cheapest return flights first.

Deals found on 6/2

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 6 February 2026.

The best time to book flights from Chicago O'Hare Intl Airport is 48 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 $282). Flying from Chicago O'Hare Intl Airport in October will prove the most costly (average of $1,241). 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. As it departs for the following popular destinations: Sydney.

Qantas Airways
Qantas Airways
From $1,216

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

Chicago O'Hare Intl Airport offers frequent flights to New York (1,405 flights per day), Detroit (866 flights per day) and Toronto (802 flights per day).

Los Angeles
Los Angeles
From $199
Memphis
Memphis
From $166
Dublin
Dublin
From $765

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 Memphis, with prices starting at $166. Explore other affordable destinations below.

Memphis
Memphis
From $166
Boston Logan Intl
Boston Logan Intl
From $183
San Diego
San Diego
From $186
Los Angeles
Los Angeles
From $199

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 Qantas 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.
Qantas Airways
7.5
Good
988 reviews
Check prices

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
988 reviews
Qantas Airways
7.5
Good
988 reviews
Check prices

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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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 8 February 2026.
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 8 February 2026.

  • 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 Ahmedabad, Mumbai, Atlanta. Ahmedabad, Mumbai, Atlanta 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 $166 to Memphis (prices may vary depending on the airline and departure time). On average, users have booked flights for $500 to fly from Chicago O'Hare Intl Airport.

  • 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 Harrisburg starting at $728
    Fly from Chicago O'Hare Intl to Toronto Pearson Intl Airport starting at $1,716
    Fly from Chicago O'Hare Intl to Tokyo Haneda Airport starting at $2,974
    Fly from Chicago O'Hare Intl to Newark Airport starting at $3,502

  • 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 October. 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 $1,120 round trip
    Fly from Chicago to Melbourne from $1,230 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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