Find the cheapest flights from Perth to Illinois
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Our best American Airlines deals on Perth to Illinois flight tickets
Japan Airlines flights from Perth to Illinois
Our best Japan Airlines deals on Perth to Illinois flight tickets
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Use the filters below to find and compare flights from Perth to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Mon 1/3
08:35-16:55
1 stop22h 20m
Chicago O'Hare Intl
Mon 29/3
23:45-07:15
1 stop42h 30m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Mon 1/3
08:35-16:55
1 stop22h 20m
Chicago O'Hare Intl
Fri 2/4
23:45-07:15
1 stop42h 30m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Mon 1/3
08:35-16:55
1 stop22h 20m
Chicago O'Hare Intl
Wed 31/3
23:45-07:15
1 stop42h 30m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Thu 4/2
10:35-08:30
2 stops35h 55m
Chicago O'Hare Intl
Sun 28/2
11:10-08:25
2 stops31h 15m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Thu 19/11
08:35-05:40
2 stops35h 05m
Chicago O'Hare Intl
Fri 4/12
22:45-07:20
1 stop42h 35m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Thu 19/11
08:35-05:40
2 stops35h 05m
Chicago O'Hare Intl
Fri 4/12
22:45-07:20
1 stop42h 35m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Thu 19/11
08:35-05:40
2 stops35h 05m
Chicago O'Hare Intl
Fri 4/12
22:45-07:20
1 stop42h 35m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Thu 19/11
08:35-05:40
2 stops35h 05m
Chicago O'Hare Intl
Fri 4/12
22:45-07:20
1 stop42h 35m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Wed 4/11
10:30-10:00
2 stops37h 30m
Chicago O'Hare Intl
Wed 11/11
13:30-23:55
2 stops44h 25m
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Wed 11/11
10:30-10:00
2 stops37h 30m
Chicago O'Hare Intl
Sun 15/11
13:30-23:55
2 stops44h 25m
See travel insights to Illinois from
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
What is the cheapest month to fly to Illinois?
In general, March 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 $1,996. If you’re not able to fly to Illinois in March, then September is your next best option. Flight prices from Perth to Illinois during September average around $2,053.
Can stopping save me money on Perth to Illinois flights?
You could potentially save up to 25% 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
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 October 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 | ||
|---|---|---|---|---|---|
| PriceFrom $2,138 | Free cancellation | Rating 8.3 1,935 reviews |
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.