Latest deals
Insights
When to book
FAQs
Price Alerts
Look for other cheap flights to Chicago O'Hare Intl

$827 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 12/8. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 17:47
MEL
-
ORD
23h 02m
1 stop
Qantas Airways Logo
14:57 - 05:00
ORD
-
MEL
23h 03m
1 stop
$1,318Qantas Airways
Sun, 9 Aug - Sat, 22 Aug
Qantas Airways Logo
09:45 - 15:54
MEL
-
ORD
21h 09m
1 stop
Qantas Airways Logo
15:54 - 05:00
ORD
-
MEL
22h 06m
1 stop
$1,324Qantas Airways
Sat, 15 Aug - Sat, 22 Aug
Qantas Airways Logo
09:45 - 15:59
MEL
-
ORD
21h 14m
1 stop
Qantas Airways Logo
15:22 - 06:45
ORD
-
MEL
24h 23m
1 stop
$1,326Qantas Airways
Mon, 3 Aug - Thu, 13 Aug
American Airlines Logo
09:45 - 23:30
MEL
-
ORD
28h 45m
2 stops
American Airlines Logo
09:00 - 06:45
ORD
-
MEL
30h 45m
1 stop
$1,344American Airlines
Mon, 27 Jul - Mon, 10 Aug
American Airlines Logo
09:45 - 23:30
MEL
-
ORD
28h 45m
1 stop
American Airlines Logo
15:22 - 06:45
ORD
-
MEL
24h 23m
1 stop
$1,353American Airlines
Sun, 9 Aug - Sat, 22 Aug
United Airlines Logo
10:55 - 21:03
MEL
-
ORD
25h 08m
1 stop
United Airlines Logo
16:20 - 08:15
ORD
-
MEL
24h 55m
1 stop
$1,356United Airlines
Mon, 20 Jul - Mon, 17 Aug
Air New Zealand Logo
09:55 - 22:59
SYD
-
ORD
28h 04m
2 stops
Air New Zealand Logo
16:20 - 08:45
ORD
-
SYD
25h 25m
2 stops
$1,659Air New Zealand
Mon, 3 Aug - Wed, 19 Aug
Air New Zealand Logo
11:55 - 21:30
SYD
-
ORD
24h 35m
2 stops
Air New Zealand Logo
16:20 - 08:45
ORD
-
SYD
25h 25m
2 stops
$1,681Air New Zealand
Wed, 12 Aug - Wed, 19 Aug
Air Canada Logo
19:00 - 19:52
ADL
-
ORD
39h 22m
3 stops
Air Canada Logo
15:40 - 19:25
ORD
-
ADL
37h 15m
2 stops
$2,947Air Canada
Mon, 3 Aug - Sun, 23 Aug
Air Canada Logo
20:00 - 22:05
ADL
-
ORD
40h 35m
3 stops
Air Canada Logo
10:43 - 13:55
ORD
-
ADL
36h 42m
3 stops
$2,954Air Canada
Mon, 3 Aug - Sun, 23 Aug

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 1 July 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

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 9/8

09:45-17:47

1 stop23h 02m

Chicago O'Hare Intl

Sat 22/8

14:57-05:00

1 stop23h 03m

$1,318
Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 15/8

09:45-15:54

1 stop21h 09m

Chicago O'Hare Intl

Sat 22/8

15:54-05:00

1 stop22h 06m

$1,324

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 3/8

09:45-15:59

1 stop21h 14m

Chicago O'Hare Intl

Thu 13/8

15:22-06:45

1 stop24h 23m

$1,326

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 27/7

09:45-23:30

2 stops28h 45m

Chicago O'Hare Intl

Mon 10/8

09:00-06:45

1 stop30h 45m

$1,344

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 9/8

09:45-23:30

1 stop28h 45m

Chicago O'Hare Intl

Sat 22/8

15:22-06:45

1 stop24h 23m

$1,353

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 20/7

10:55-21:03

1 stop25h 08m

Chicago O'Hare Intl

Mon 17/8

16:20-08:15

1 stop24h 55m

$1,356

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 3/8

09:55-22:59

2 stops28h 04m

Chicago O'Hare Intl

Wed 19/8

16:20-08:45

2 stops25h 25m

$1,659

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 12/8

11:55-21:30

2 stops24h 35m

Chicago O'Hare Intl

Wed 19/8

16:20-08:45

2 stops25h 25m

$1,681

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 3/8

19:00-19:52

3 stops39h 22m

Chicago O'Hare Intl

Sun 23/8

15:40-19:25

2 stops37h 15m

$2,947

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 3/8

20:00-22:05

3 stops40h 35m

Chicago O'Hare Intl

Sun 23/8

10:43-13:55

3 stops36h 42m

$2,954

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $419. If you are unable to visit Chicago O'Hare Intl Airport during the month of July, then departing from Australia during the month May is also very affordable. Most momondo users find prices during this month for around $477.

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 $1,941 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 $1,489 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

$827

Best Round-Trip Price

$1,318

Fastest flight time

44h 22m

Popular in

July
The best one-way flight price to Chicago from Australia in the last 5 days is $827 (Melbourne to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from Australia in the last 5 days is $1,318 (Melbourne to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 44h 22m (Perth to Chicago O'Hare Intl).
Search Deals
July has the highest demand for flights to Chicago, with a 11% 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 56 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 $138. 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 New Zealand and Air Canada happen to be the most popular among our users. In the past year, 30% 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 July 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 31/7
Fri 7/8
By creating a price alert you accept our terms of use and privacy policy.

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
Flights from Los Angeles to ORDfrom $146