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Look for other cheap flights to Chicago O'Hare Intl

$571 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 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
19:40 - 18:04
BNE
-
ORD
37h 24m
2 stops
American Airlines Logo
08:25 - 05:00
ORD
-
BNE
29h 35m
2 stops
$1,312American Airlines
Tue, 17 Mar - Wed, 1 Apr
Air Canada Logo
10:00 - 19:58
BNE
-
ORD
24h 58m
1 stop
Air Canada Logo
15:40 - 07:05
ORD
-
BNE
24h 25m
1 stop
$1,321Air Canada
Tue, 14 Apr - Tue, 28 Apr
Air Canada Logo
10:00 - 19:58
BNE
-
ORD
24h 58m
1 stop
Air Canada Logo
16:10 - 07:05
ORD
-
BNE
23h 55m
2 stops
$1,329Air Canada
Tue, 14 Apr - Tue, 28 Apr
Air Canada Logo
10:00 - 17:04
BNE
-
ORD
22h 04m
2 stops
Air Canada Logo
16:10 - 07:05
ORD
-
BNE
23h 55m
2 stops
$1,336Air Canada
Tue, 14 Apr - Tue, 28 Apr
United Airlines Logo
12:00 - 17:02
MEL
-
ORD
21h 02m
1 stop
United Airlines Logo
12:50 - 08:30
ORD
-
MEL
27h 40m
2 stops
$1,521United Airlines
Thu, 12 Mar - Mon, 23 Mar
Air New Zealand Logo
12:05 - 01:27
ADL
-
ORD
27h 52m
2 stops
Air New Zealand Logo
14:30 - 10:55
ORD
-
ADL
29h 55m
2 stops
$1,926Air New Zealand
Thu, 30 Apr - Fri, 15 May
Air New Zealand Logo
07:50 - 21:36
ADL
-
ORD
28h 16m
3 stops
Air New Zealand Logo
17:45 - 10:55
ORD
-
ADL
26h 40m
2 stops
$2,143Air New Zealand
Sat, 2 May - Fri, 22 May
United Airlines Logo
23:45 - 05:57
PER
-
ORD
43h 12m
2 stops
United Airlines Logo
21:20 - 12:30
ORD
-
PER
50h 10m
2 stops
$2,273United Airlines
Sun, 21 Jun - Sat, 18 Jul
Cathay Pacific Logo
20:40 - 12:55
TSV
-
ORD
32h 15m
2 stops
Cathay Pacific Logo
15:35 - 19:55
ORD
-
TSV
61h 20m
2 stops
$2,428Cathay Pacific
Thu, 5 Mar - Sun, 8 Mar
Qantas Airways Logo
14:50 - 14:53
CNS
-
ORD
39h 03m
3 stops
Qantas Airways Logo
14:58 - 11:50
ORD
-
CNS
29h 52m
2 stops
$4,137Qantas Airways
Sat, 28 Mar - Sat, 4 Apr

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 14 February 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

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 17/3

19:40-18:04

2 stops37h 24m

Chicago O'Hare Intl

Wed 1/4

08:25-05:00

2 stops29h 35m

$1,312

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 14/4

10:00-19:58

1 stop24h 58m

Chicago O'Hare Intl

Tue 28/4

15:40-07:05

1 stop24h 25m

$1,320

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 14/4

10:00-19:58

1 stop24h 58m

Chicago O'Hare Intl

Tue 28/4

16:10-07:05

2 stops23h 55m

$1,329

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 14/4

10:00-17:04

2 stops22h 04m

Chicago O'Hare Intl

Tue 28/4

16:10-07:05

2 stops23h 55m

$1,336

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 12/3

12:00-17:02

1 stop21h 02m

Chicago O'Hare Intl

Mon 23/3

12:50-08:30

2 stops27h 40m

$1,521

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 30/4

12:05-01:27

2 stops27h 52m

Chicago O'Hare Intl

Fri 15/5

14:30-10:55

2 stops29h 55m

$1,926

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 2/5

07:50-21:36

3 stops28h 16m

Chicago O'Hare Intl

Fri 22/5

17:45-10:55

2 stops26h 40m

$2,143

PerthChicago

PER - ORD

PERORD

Perth

Sun 21/6

23:45-05:57

2 stops43h 12m

Chicago O'Hare Intl

Sat 18/7

21:20-12:30

2 stops50h 10m

$2,273

TownsvilleChicago

TSV - ORD

TSVORD

Townsville

Thu 5/3

20:40-12:55

2 stops32h 15m

Chicago O'Hare Intl

Sun 8/3

15:35-19:55

2 stops61h 20m

$2,428

CairnsChicago

CNS - ORD

CNSORD

Cairns

Sat 28/3

14:50-14:53

3 stops39h 03m

Chicago O'Hare Intl

Sat 4/4

14:58-11:50

2 stops29h 52m

$4,137

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 March is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $1,090. If you are unable to visit Chicago O'Hare Intl Airport during the month of March, then departing from Australia during the month September is also very affordable. Most momondo users find prices during this month for around $1,238.

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 $1,689 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 $1,134 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

$571

Best Round-Trip Price

$1,312

Fastest flight time

26h 52m

Popular in

December
The best one-way flight price to Chicago from Australia in the last 72 hours is $571 (Melbourne to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from Australia in the last 72 hours is $1,312 (Brisbane to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 26h 52m (Adelaide to Chicago O'Hare Intl).
Search Deals
December has the highest demand for flights to Chicago, with a 3% 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 March 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 78 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 United Airlines happen to be the most popular among our users. In the past year, 51% 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 10 as of February 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

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.

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Fly your favourite airline to Chicago O'Hare Intl Airport

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Qantas Airways flights to Chicago O'Hare Intl Airportfrom $929
Air Canada flights to Chicago O'Hare Intl Airportfrom $1,071
United Airlines
Air New Zealand
American Airlines
Cathay Pacific
Japan Airlines
ANA
Qatar Airways