What is the cheapest airline that flies from Perth to Illinois?

Cathay Pacific is the most popular carrier operating from Perth to Illinois

When did momondo last update prices for flights from Perth Airport to Illinois?

Prices for flights from Perth Airport to Illinois refresh daily.

How many operators does momondo search for flights from Perth Airport to Illinois?

The number of operators available for flights from Perth Airport to Illinois is 1 as of May 2026.

How old do you have to be to fly from Perth Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois 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 Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,351 Cheap Flights from Perth to Illinois in 2026

1 adult

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Find the cheapest flights from Perth to Illinois

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:35 - 06:20

PER

ORD

34h 45m

2 stops

17:46 - 07:15

ORD

PER

48h 29m

2 stops

$2,109Multiple Airlines

Thu, 15 Oct - Fri, 30 Oct

08:35 - 06:20

PER

ORD

34h 45m

2 stops

17:46 - 07:15

ORD

PER

48h 29m

2 stops

$2,112Multiple Airlines

Thu, 15 Oct - Fri, 30 Oct

22:45 - 21:30

PER

ORD

35h 45m

2 stops

19:20 - 18:35

ORD

PER

34h 15m

1 stop

$2,124Qatar Airways

Tue, 15 Sep - Tue, 22 Sep

20:50 - 20:45

PER

ORD

36h 55m

2 stops

00:30 - 19:50

ORD

PER

30h 20m

2 stops

$2,142Multiple Airlines

Tue, 15 Sep - Mon, 21 Sep

23:45 - 19:33

PER

ORD

32h 48m

2 stops

15:50 - 11:15

ORD

PER

30h 25m

2 stops

$2,178Qantas Airways

Tue, 2 Jun - Wed, 10 Jun

20:50 - 20:45

PER

ORD

36h 55m

2 stops

00:30 - 04:45

ORD

PER

39h 15m

3 stops

$2,254Multiple Airlines

Tue, 15 Sep - Mon, 21 Sep

23:45 - 15:59

PER

ORD

29h 14m

2 stops

11:56 - 11:15

ORD

PER

34h 19m

2 stops

$2,333Qantas Airways

Sun, 26 Jul - Thu, 17 Sep

23:45 - 15:59

PER

ORD

29h 14m

2 stops

11:56 - 12:25

ORD

PER

35h 29m

2 stops

$2,342Qantas Airways

Sun, 26 Jul - Sun, 13 Sep

18:25 - 14:41

PER

ORD

33h 16m

2 stops

00:30 - 21:45

ORD

PER

32h 15m

2 stops

$2,447Multiple Airlines

Wed, 8 Jul - Tue, 15 Sep

22:45 - 09:27

PER

ORD

47h 42m

2 stops

18:50 - 18:45

ORD

PER

34h 55m

1 stop

$2,461Qatar Airways

Thu, 15 Oct - Fri, 30 Oct

Qantas Airways flights from Perth to Illinois

Our best Qantas Airways deals on Perth to Illinois flight tickets

Qantas Airways

2 June

PER23:45Perth

32h 48m

2 stops

ORD19:33Chicago O'Hare Intl

10 June

ORD15:50Chicago O'Hare Intl

30h 25m

2 stops

PER11:15Perth

$2,178

Qantas Airways

26 July

PER23:45Perth

29h 14m

2 stops

ORD15:59Chicago O'Hare Intl

17 Sept

ORD11:56Chicago O'Hare Intl

34h 19m

2 stops

PER11:15Perth

$2,333

Qantas Airways

26 July

PER23:45Perth

29h 14m

2 stops

ORD15:59Chicago O'Hare Intl

13 Sept

ORD11:56Chicago O'Hare Intl

35h 29m

2 stops

PER12:25Perth

$2,342

Finnair flights from Perth to Illinois

Our best Finnair deals on Perth to Illinois flight tickets

Finnair

22 July

PER14:50Perth

40h 00m

2 stops

ORD17:50Chicago O'Hare Intl

19 Sept

ORD21:30Chicago O'Hare Intl

38h 10m

2 stops

PER00:40Perth

$2,815

Finnair

14 July

PER07:40Perth

47h 10m

2 stops

ORD17:50Chicago O'Hare Intl

17 Sept

ORD21:30Chicago O'Hare Intl

39h 25m

2 stops

PER01:55Perth

$2,913

Finnair

22 July

PER14:50Perth

40h 00m

2 stops

ORD17:50Chicago O'Hare Intl

17 Sept

ORD21:30Chicago O'Hare Intl

39h 25m

2 stops

PER01:55Perth

$2,921

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthChicago

PER - ORD

PERORD

Perth

Thu 15/10

08:35-06:20

2 stops34h 45m

Chicago O'Hare Intl

Fri 30/10

17:46-07:15

2 stops48h 29m

$2,109

PerthChicago

PER - ORD

PERORD

Perth

Thu 15/10

08:35-06:20

2 stops34h 45m

Chicago O'Hare Intl

Fri 30/10

17:46-07:15

2 stops48h 29m

$2,112

PerthChicago

PER - ORD

PERORD

Perth

Tue 15/9

22:45-21:30

2 stops35h 45m

Chicago O'Hare Intl

Tue 22/9

19:20-18:35

1 stop34h 15m

$2,124

PerthChicago

PER - ORD

PERORD

Perth

Tue 15/9

20:50-20:45

2 stops36h 55m

Chicago O'Hare Intl

Mon 21/9

00:30-19:50

2 stops30h 20m

$2,142

Fastest return journey

PerthChicago

PER - ORD

PERORD

Perth

Tue 2/6

23:45-19:33

2 stops32h 48m

Chicago O'Hare Intl

Wed 10/6

15:50-11:15

2 stops30h 25m

$2,178

PerthChicago

PER - ORD

PERORD

Perth

Tue 15/9

20:50-20:45

2 stops36h 55m

Chicago O'Hare Intl

Mon 21/9

00:30-04:45

3 stops39h 15m

$2,254

PerthChicago

PER - ORD

PERORD

Perth

Sun 26/7

23:45-15:59

2 stops29h 14m

Chicago O'Hare Intl

Thu 17/9

11:56-11:15

2 stops34h 19m

$2,333

PerthChicago

PER - ORD

PERORD

Perth

Sun 26/7

23:45-15:59

2 stops29h 14m

Chicago O'Hare Intl

Sun 13/9

11:56-12:25

2 stops35h 29m

$2,342

PerthChicago

PER - ORD

PERORD

Perth

Wed 8/7

18:25-14:41

2 stops33h 16m

Chicago O'Hare Intl

Tue 15/9

00:30-21:45

2 stops32h 15m

$2,447

PerthChicago

PER - ORD

PERORD

Perth

Thu 15/10

22:45-09:27

2 stops47h 42m

Chicago O'Hare Intl

Fri 30/10

18:50-18:45

1 stop34h 55m

$2,461

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Perth to Illinois

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

In general, October is the cheapest month to fly from Perth to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,160. If you’re not able to fly to Illinois in October, then March is your next best option. Flight prices from Perth to Illinois during March average around $1,422.

Can stopping save me money on Perth to Illinois flights?

You could potentially save up to 11% on your flight if you consider stops on a Perth to Illinois flight.

Cheap Perth to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Perth to Illinois

Fastest flight time	32h 38m
Direct flights	None

The fastest flight from Perth to Illinois takes 32h 38m

There are no direct flights from Perth to Illinois. There are no popular flight routes from Perth to Illinois.

Search flight deals

Frequently asked questions about flying from Perth to Illinois

When did momondo last update prices for flights from Perth Airport to Illinois?
Prices for flights from Perth Airport to Illinois refresh daily.
How many operators does momondo search for flights from Perth Airport to Illinois?
The number of operators available for flights from Perth Airport to Illinois is 1 as of May 2026.
How old do you have to be to fly from Perth Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois 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 Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Perth to Illinois

Compare and see reviews for airlines that fly from Perth to Illinois with momondo

Airline	Rating	Free cancellation	Price
Japan Airlines	PriceFrom $1,786	Free cancellation	Rating 8.3 1,808 reviews		Search Japan Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Perth to Illinois for you.

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

momondo does allow users to show only those flights to Illinois from Perth which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Perth and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Illinois from Perth 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.