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$162+ 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 6/5. 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
20 Apr — 27 Apr1
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 15 April 2025.

Cheapest airline

Qantas Airways

Good round-trip deal

$171 or less

Good one-way deal

$67 or less
On average, Qantas Airways currently has the cheapest one-way flight from Chicago O'Hare Intl (avg. price of $1,520).
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 15 April 2025.

Sat 24/513:55ORD - DCA
Nonstop2h 04mUnited Airlines
Sun 25/506:00DCA - ORD
1 stop5h 44mUnited Airlines
Deal found 15/4$295
Sat 10/511:03ORD - DCA
1 stop6h 04mDelta
Sun 11/506:00DCA - ORD
1 stop4h 51mDelta
Deal found 14/4$312
Wed 28/516:00ORD - DCA
1 stop5h 25mSouthwest
Fri 30/506:05DCA - ORD
1 stop7h 40mSouthwest
Deal found 15/4$315
Wed 7/516:03ORD - DCA
1 stop5h 55mJetBlue
Wed 14/512:45DCA - ORD
1 stop6h 51mJetBlue
Deal found 14/4$321
Sat 17/520:17ORD - DCA
Nonstop2h 01mAmerican Airlines
Tue 20/506:00DCA - ORD
Nonstop2h 20mAmerican Airlines
Deal found 13/4$367
Tue 13/508:37ORD - CNS
2 stops35h 48mMultiple Airlines
Tue 20/512:25CNS - ORD
3 stops33h 17mMultiple Airlines
Deal found 14/4$1,404
Mon 5/509:09ORD - MEL
3 stops35h 46mMultiple Airlines
Fri 16/513:35MEL - ORD
2 stops32h 07mMultiple Airlines
Deal found 15/4$1,666
Wed 21/518:59ORD - SYD
2 stops33h 21mMultiple Airlines
Wed 28/513:15SYD - ORD
2 stops32h 27mMultiple Airlines
Deal found 15/4$1,708
Tue 13/518:59ORD - BNE
3 stops31h 46mMultiple Airlines
Tue 20/506:00BNE - ORD
3 stops44h 36mMultiple Airlines
Deal found 15/4$1,743
Tue 22/717:45ORD - SYD
1 stop34h 30mANA
Tue 9/911:50SYD - ORD
1 stop35h 50mANA
Deal found 14/4$1,875
Tue 13/518:45ORD - SYD
2 stops26h 00mFiji Airways
Tue 27/506:15SYD - ORD
2 stops29h 09mFiji Airways
Deal found 14/4$1,878
Thu 15/518:59ORD - ADL
2 stops26h 06mMultiple Airlines
Thu 22/512:35ADL - ORD
3 stops31h 20mMultiple Airlines
Deal found 15/4$1,924

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 15 April 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 30/5

06:00-08:54

Nonstop1h 54m

Washington, D.C. Reagan-National

Fri 6/6

06:30-09:37

1 stop4h 07m

$443

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 14/5

12:50-20:48

1 stop6h 58m

Washington, D.C. Reagan-National

Sun 18/5

06:00-09:51

1 stop4h 51m

$445

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 7/5

16:00-22:25

1 stop5h 25m

Washington, D.C. Reagan-National

Sat 10/5

08:00-16:45

2 stops9h 45m

$447

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Mon 5/5

06:00-08:59

Nonstop1h 59m

Washington, D.C. Reagan-National

Wed 7/5

06:00-10:45

1 stop5h 45m

$461

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 29/4

13:24-20:59

1 stop6h 35m

Washington, D.C. Reagan-National

Tue 6/5

11:45-18:36

1 stop7h 51m

$462

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 13/5

08:37-11:25

2 stops35h 48m

Cairns

Tue 20/5

12:25-06:42

3 stops33h 17m

$1,404

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 5/5

09:09-11:55

3 stops35h 46m

Melbourne

Fri 16/5

13:35-06:42

2 stops32h 07m

$1,666

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 21/5

18:59-19:20

2 stops33h 21m

Sydney Kingsford Smith

Wed 28/5

13:15-06:42

2 stops32h 27m

$1,708

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 13/5

18:59-17:45

3 stops31h 46m

Brisbane

Tue 20/5

06:00-11:36

3 stops44h 36m

$1,743

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 22/7

17:45-19:15

1 stop34h 30m

Sydney Kingsford Smith

Tue 9/9

11:50-08:40

1 stop35h 50m

$1,875

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 11 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 $1,126). Flying from Chicago O'Hare Intl Airport in December will prove the most costly (average of $1,365). 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.

Entertainment

7.3

Comfort

8.1

Crew

9.1

Food

7.8

Boarding

8.7

Overall

8.8

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.

Entertainment

7.3

Comfort

8.1

Crew

9.1

Food

7.8

Boarding

8.7

Overall

8.8

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.

Entertainment

7.3

Comfort

8.1

Crew

9.1

Food

7.8

Boarding

8.7

Overall

8.8

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

Entertainment

7.3

Comfort

8.1

Crew

9.1

Food

7.8

Boarding

8.7

Overall

8.8

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.

Entertainment

7.3

Comfort

8.1

Crew

9.1

Food

7.8

Boarding

8.7

Overall

8.8

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

Entertainment

7.3

Comfort

8.1

Crew

9.1

Food

7.8

Boarding

8.7

Overall

8.8

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 15 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 15 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 $61 to Newark Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $881 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 ($93). American Airlines flights from Chicago O'Hare Intl Airport to Richmond Byrd Intl ($222). Turkish Airlines flights from Chicago O'Hare Intl Airport to Mumbai Chhatrapati Shivaji Intl ($1,303).

  • 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 $667
    Fly from Chicago O'Hare Intl to Newark Airport starting at $671
    Fly from Chicago O'Hare Intl to Harrisburg starting at $809
    Fly from Chicago O'Hare Intl to Amsterdam starting at $4,045

  • 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 $869 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 Sydney from $1,745 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?

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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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