Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Perth from $859

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Perth departing on 17/11. 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

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

Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
19:20 - 18:35ORD  Chicago O'Hare Intl-PER Perth
34h 15m1 stop Doha Hamad Intl
Qatar Airways Logo
13:20 - 15:30PER  Perth-ORD Chicago O'Hare Intl
39h 10m2 stops Brisbane Doha Hamad Intl
$2,008Qatar Airways
Sun, 18 Oct - Sun, 25 Oct
Qatar Airways Logo
19:20 - 23:10ORD  Chicago O'Hare Intl-PER Perth
38h 50m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
22:45 - 15:05PER  Perth-ORD Chicago O'Hare Intl
29h 20m1 stop Doha Hamad Intl
$2,017Qatar Airways
Sun, 23 Aug - Mon, 7 Sep
Multiple Airlines Logo
20:10 - 04:20ORD  Chicago O'Hare Intl-PER Perth
43h 10m2 stops Istanbul Singapore Changi
Multiple Airlines Logo
18:25 - 09:40PER  Perth-ORD Chicago O'Hare Intl
52h 15m2 stops Singapore Changi Istanbul
$2,018Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep
Qatar Airways Logo
19:20 - 21:10ORD  Chicago O'Hare Intl-PER Perth
36h 50m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
22:45 - 15:05PER  Perth-ORD Chicago O'Hare Intl
29h 20m1 stop Doha Hamad Intl
$2,020Qatar Airways
Mon, 21 Sep - Mon, 28 Sep
Qatar Airways Logo
19:20 - 21:10ORD  Chicago O'Hare Intl-PER Perth
36h 50m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
22:45 - 23:59PER  Perth-ORD Chicago O'Hare Intl
38h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$2,122Qatar Airways
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
11:25 - 19:50ORD  Chicago O'Hare Intl-PER Perth
43h 25m3 stops Istanbul Singapore Changi Kuala Lumpur Intl
Multiple Airlines Logo
20:50 - 09:40PER  Perth-ORD Chicago O'Hare Intl
49h 50m3 stops Kuala Lumpur Intl Singapore Changi Istanbul
$2,150Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep
Qatar Airways Logo
16:26 - 18:35ORD  Chicago O'Hare Intl-PER Perth
37h 09m2 stops New York John F Kennedy Intl Doha Hamad Intl
Qatar Airways Logo
13:20 - 15:30PER  Perth-ORD Chicago O'Hare Intl
39h 10m2 stops Brisbane Doha Hamad Intl
$2,200Qatar Airways
Sun, 18 Oct - Sun, 25 Oct
Qatar Airways Logo
19:20 - 23:55ORD  Chicago O'Hare Intl-PER Perth
39h 35m2 stops Doha Hamad Intl Brisbane
Qatar Airways Logo
22:45 - 15:05PER  Perth-ORD Chicago O'Hare Intl
29h 20m1 stop Doha Hamad Intl
$2,265Qatar Airways
Sat, 19 Sep - Sat, 26 Sep
Multiple Airlines Logo
00:30 - 19:50ORD  Chicago O'Hare Intl-PER Perth
30h 20m2 stops Taipei City Taiwan Taoyuan Intl Kuala Lumpur Intl
Multiple Airlines Logo
23:15 - 20:45PER  Perth-ORD Chicago O'Hare Intl
34h 30m2 stops Kuala Lumpur Intl Taipei City Taiwan Taoyuan Intl
$2,274Multiple Airlines
Mon, 14 Sep - Tue, 22 Sep
Multiple Airlines Logo
16:15 - 17:10ORD  Chicago O'Hare Intl-PER Perth
35h 55m2 stops Hong Kong Intl Singapore Changi
Multiple Airlines Logo
18:25 - 09:30PER  Perth-ORD Chicago O'Hare Intl
52h 05m3 stops Singapore Changi Manila Ninoy Aquino Intl Incheon Intl
$2,277Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep

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

Qatar Airways flights from Chicago O'Hare Intl Airport to Perth

Our best Qatar Airways deals on Chicago O'Hare Intl Airport to Perth flight tickets
Qatar Airways
18 Oct
ORD19:20Chicago O'Hare Intl
34h 15m
1 stop
PER18:35Perth
25 Oct
PER13:20Perth
39h 10m
2 stops
ORD15:30Chicago O'Hare Intl
$2,008
Qatar Airways
23 Aug
ORD19:20Chicago O'Hare Intl
38h 50m
2 stops
PER23:10Perth
7 Sept
PER22:45Perth
29h 20m
1 stop
ORD15:05Chicago O'Hare Intl
$2,017
Qatar Airways
21 Sept
ORD19:20Chicago O'Hare Intl
36h 50m
2 stops
PER21:10Perth
28 Sept
PER22:45Perth
29h 20m
1 stop
ORD15:05Chicago O'Hare Intl
$2,020

Air Canada flights from Chicago O'Hare Intl Airport to Perth

Our best Air Canada deals on Chicago O'Hare Intl Airport to Perth flight tickets
Air Canada
15 Sept
ORD15:40Chicago O'Hare Intl
35h 05m
2 stops
PER15:45Perth
22 Sept
PER15:30Perth
41h 18m
3 stops
ORD19:48Chicago O'Hare Intl
$2,295
Air Canada
15 Sept
ORD15:40Chicago O'Hare Intl
35h 05m
2 stops
PER15:45Perth
22 Sept
PER15:30Perth
41h 18m
3 stops
ORD19:48Chicago O'Hare Intl
$2,297
Air Canada
18 Oct
ORD15:40Chicago O'Hare Intl
35h 30m
2 stops
PER16:10Perth
25 Oct
PER22:55Perth
47h 28m
3 stops
ORD09:23Chicago O'Hare Intl
$2,298

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 7 August 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 18/10

19:20-18:35

1 stop34h 15m

Perth

Sun 25/10

13:20-15:30

2 stops39h 10m

$2,008

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 23/8

19:20-23:10

2 stops38h 50m

Perth

Mon 7/9

22:45-15:05

1 stop29h 20m

$2,017

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 16/9

20:10-04:20

2 stops43h 10m

Perth

Wed 23/9

18:25-09:40

2 stops52h 15m

$2,018

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 21/9

19:20-21:10

2 stops36h 50m

Perth

Mon 28/9

22:45-15:05

1 stop29h 20m

$2,020

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 21/9

19:20-21:10

2 stops36h 50m

Perth

Mon 28/9

22:45-23:59

2 stops38h 14m

$2,122

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 16/9

11:25-19:50

3 stops43h 25m

Perth

Wed 23/9

20:50-09:40

3 stops49h 50m

$2,150

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 18/10

16:26-18:35

2 stops37h 09m

Perth

Sun 25/10

13:20-15:30

2 stops39h 10m

$2,200

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sat 19/9

19:20-23:55

2 stops39h 35m

Perth

Sat 26/9

22:45-15:05

1 stop29h 20m

$2,265
Fastest return journey

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 14/9

00:30-19:50

2 stops30h 20m

Perth

Tue 22/9

23:15-20:45

2 stops34h 30m

$2,274

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 16/9

16:15-17:10

2 stops35h 55m

Perth

Wed 23/9

18:25-09:30

3 stops52h 05m

$2,277

Flights are sorted by cheapest return flights first.

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

See travel insights to Perth from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Perth?

The month of May is, on average, the cheapest month to fly to Perth from Chicago O'Hare Intl Airport, with most prices found around $0. If you’re not able to fly to Perth in May, then February is your next best option. Flight prices from Chicago O'Hare Intl Airport to Perth during February average around $0.

Can stopping save me money on Chicago O'Hare Intl Airport to Perth flights?

You could potentially save up to 14% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Perth flight.

When to book flights from Chicago O'Hare Intl Airport to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago O'Hare Intl Airport to Perth (ORD to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Perth

Fastest flight time

26h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Perth takes 26h 20m
There are no direct flights from Chicago O'Hare Intl Airport to Perth. There are no popular flight routes from Chicago O'Hare Intl Airport to Perth.
Search flight deals

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

  • How far is Chicago O'Hare Intl to Perth by plane?

    Chicago O'Hare Intl and Perth are 17626.5 km apart from one another. In terms of flight time, this usually takes a little over 26h 20m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Perth Airport refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Perth Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Scarborough
Rottnest Island

Why use momondo?

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

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 Perth from Chicago.

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

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

How can momondo help me find flights from Chicago to Perth?

Once all potential Chicago to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Chicago to Perth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Perth 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
Sun 6/9
Sun 13/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia