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Look for other cheap flights to Chicago O'Hare Intl

$937 Cheap flights to Chicago O'Hare Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chicago O'Hare Intl Airport departing on 24/8. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Chicago O'Hare Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
09:45 - 15:54
MEL
-
ORD
21h 09m
1 stop
Qantas Airways Logo
17:16 - 06:45
ORD
-
MEL
22h 29m
1 stop
$1,314Qantas Airways
Tue, 11 Aug - Tue, 18 Aug
United Airlines Logo
10:55 - 18:35
MEL
-
ORD
22h 40m
1 stop
United Airlines Logo
10:54 - 07:30
ORD
-
MEL
29h 36m
2 stops
$1,353United Airlines
Sun, 19 Jul - Wed, 29 Jul
United Airlines Logo
09:30 - 23:15
MEL
-
ORD
28h 45m
2 stops
United Airlines Logo
18:20 - 08:15
ORD
-
MEL
22h 55m
1 stop
$1,361United Airlines
Sun, 12 Jul - Mon, 27 Jul
American Airlines Logo
09:10 - 18:05
SYD
-
ORD
23h 55m
1 stop
American Airlines Logo
13:50 - 07:05
ORD
-
SYD
26h 15m
1 stop
$1,436American Airlines
Tue, 22 Sep - Tue, 29 Sep
American Airlines Logo
11:15 - 06:01
SYD
-
ORD
34h 46m
1 stop
American Airlines Logo
10:15 - 06:10
ORD
-
SYD
26h 55m
1 stop
$1,443American Airlines
Thu, 29 Oct - Sun, 1 Nov
Qantas Airways Logo
23:45 - 19:44
PER
-
ORD
32h 59m
2 stops
Qantas Airways Logo
17:16 - 11:15
ORD
-
PER
28h 59m
2 stops
$1,983Qantas Airways
Fri, 31 Jul - Mon, 31 Aug
Cathay Pacific Logo
08:20 - 14:20
PER
-
ORD
43h 00m
1 stop
Cathay Pacific Logo
16:00 - 06:50
ORD
-
PER
25h 50m
1 stop
$2,244Cathay Pacific
Mon, 13 Jul - Sun, 26 Jul
Cathay Pacific Logo
00:10 - 14:20
PER
-
ORD
27h 10m
1 stop
Cathay Pacific Logo
16:00 - 06:50
ORD
-
PER
25h 50m
1 stop
$2,323Cathay Pacific
Mon, 13 Jul - Tue, 21 Jul
Air Canada Logo
18:55 - 05:40
ADL
-
ORD
49h 15m
2 stops
Air Canada Logo
19:45 - 11:10
ORD
-
ADL
24h 55m
2 stops
$2,599Air Canada
Sun, 19 Jul - Wed, 29 Jul
Air Canada Logo
20:00 - 22:05
ADL
-
ORD
40h 35m
3 stops
Air Canada Logo
19:45 - 11:10
ORD
-
ADL
24h 55m
2 stops
$2,607Air Canada
Sun, 19 Jul - Wed, 29 Jul

momondo Fare Finder

 
Locate flights to Chicago O'Hare Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 8 June 2026.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 11/8

09:45-15:54

1 stop21h 09m

Chicago O'Hare Intl

Tue 18/8

17:16-06:45

1 stop22h 29m

$1,314

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 19/7

10:55-18:35

1 stop22h 40m

Chicago O'Hare Intl

Wed 29/7

10:54-07:30

2 stops29h 36m

$1,353

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 12/7

09:30-23:15

2 stops28h 45m

Chicago O'Hare Intl

Mon 27/7

18:20-08:15

1 stop22h 55m

$1,361

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 22/9

09:10-18:05

1 stop23h 55m

Chicago O'Hare Intl

Tue 29/9

13:50-07:05

1 stop26h 15m

$1,436

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 29/10

11:15-06:01

1 stop34h 46m

Chicago O'Hare Intl

Sun 1/11

10:15-06:10

1 stop26h 55m

$1,443

PerthChicago

PER - ORD

PERORD

Perth

Fri 31/7

23:45-19:44

2 stops32h 59m

Chicago O'Hare Intl

Mon 31/8

17:16-11:15

2 stops28h 59m

$1,983

PerthChicago

PER - ORD

PERORD

Perth

Mon 13/7

08:20-14:20

1 stop43h 00m

Chicago O'Hare Intl

Sun 26/7

16:00-06:50

1 stop25h 50m

$2,244

PerthChicago

PER - ORD

PERORD

Perth

Mon 13/7

00:10-14:20

1 stop27h 10m

Chicago O'Hare Intl

Tue 21/7

16:00-06:50

1 stop25h 50m

$2,323

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 19/7

18:55-05:40

2 stops49h 15m

Chicago O'Hare Intl

Wed 29/7

19:45-11:10

2 stops24h 55m

$2,599

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 19/7

20:00-22:05

3 stops40h 35m

Chicago O'Hare Intl

Wed 29/7

19:45-11:10

2 stops24h 55m

$2,607

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Chicago O'Hare Intl Airport from

Flights to Chicago O'Hare Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Chicago O'Hare Intl Airport to help you craft the best travel plan.

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

The month of June is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $270. If you are unable to visit Chicago O'Hare Intl Airport during the month of June, then departing from Australia during the month July is also very affordable. Most momondo users find prices during this month for around $410.

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 Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,876 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 Australia for as low as $1,401 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport

Cheap Chicago O'Hare Intl Airport flight deals and tips

Summary info about Chicago O'Hare Intl Airport flight prices, duration and airlines

Best One-Way Price

$937

Best Round-Trip Price

$1,314

Fastest flight time

27h 27m

Popular in

September
The best one-way flight price to Chicago from Australia in the last 5 days is $937 (Melbourne to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from Australia in the last 5 days is $1,314 (Melbourne to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 27h 27m (Sydney Kingsford Smith to Chicago O'Hare Intl).
Search Deals
September has the highest demand for flights to Chicago, with a 2% price increase on average.
Search Deals

Frequently asked questions about flying to Chicago O'Hare Intl Airport

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

In general, when looking for the cheapest flight to Chicago O'Hare Intl Airport, try to choose a flight departing in September for the best deal.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

In general, most flyers find the cheapest time to book a flight to Chicago O'Hare Intl Airport is about 43 days prior.

Is there an alternative airport near Chicago O'Hare Intl Airport?

Those flying to Chicago O'Hare Intl Airport could potentially find better pricing at Chicago Midway Airport (14 km from Chicago city centre) or Chicago Greater Rockford Airport (126 km from Chicago city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Chicago?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Chicago is Chicago Greater Rockford Airport where the average price is $135. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Chicago O'Hare Intl Airport?

There are 9 airlines that fly to Chicago O'Hare Intl Airport on a routine basis, but Qantas Airways, Air Canada and Air New Zealand happen to be the most popular among our users. In the past year, 28% of those who searched for flights to Chicago O'Hare Intl Airport looked to travel with Qantas Airways, making this airline the top choice among momondo travellers.

When did momondo last update prices for flights to Chicago O'Hare Intl Airport?

Prices for flights to Chicago O'Hare Intl Airport are updated daily.

How many operators does momondo search for flights to Chicago O'Hare Intl Airport?

The number of operators available for flights to Chicago O'Hare Intl Airport is 9 as of June 2026.

How old do you have to be to fly 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 to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont
Skokie

Why use momondo?

Why should I use momondo to find a flight deal to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago.

Can I find flights to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to Chicago to just show those with flexible booking policies.

How can momondo help me find flights to Chicago?

Once you have performed a search for flights to Chicago, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

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Find better results for your trip to Chicago O'Hare Intl Airport ORD

Popular Flights to Chicago O'Hare Intl Airport

Popular routes according to searches in the past day on momondo
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