Cheap flights from Illinois to Perth from $653
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Perth departing on 7/7. 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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How to get the cheapest flight ticket from Illinois 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?
In general, February is the cheapest month to fly from Illinois to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,184. If you are unable to visit Perth during the month of February, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $1,248.
What is the cheapest day to depart on your flight to Perth?
The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,512. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Friday, with ticket prices averaging around $2,664.
What is the cheapest time of day to depart on your flight to Perth?
In the evening is the cheapest time of day to fly from Illinois to Perth when you can find flight prices for as low as $1,629. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,712. Of course, these prices can vary depending on the time of year and what airport you fly to.
Can stopping save me money on Illinois to Perth flights?
You could potentially save up to 14% on your flight if you consider stops on a Illinois to Perth flight.
Cheap Illinois to Perth flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Perth
When did momondo last update prices for flights from Illinois to Perth Airport?
Prices for flights from Illinois to Perth Airport refresh daily.
How many operators does momondo search for flights from Illinois to Perth Airport?
As of June 2025, there are 4 operators available to choose from for flights from Illinois to Perth Airport.
How old do you have to be to fly from Illinois to Perth Airport?
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 layovers 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 Illinois to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Perth
Compare and see reviews for airlines that fly from Illinois to Perth with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,191 | Free Cancellation | Rating 7.5 860 reviews | |||
| PriceFrom $1,468 | Free Cancellation | Rating 7.5 894 reviews |
Traveling to a place near Perth?
Book flights to Perth if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois 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 Illinois.
Can I find flights from Illinois to Perth with flexible booking policies on momondo?
All flight searches from Illinois to Perth on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Illinois to Perth?
Once all potential Illinois 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 Illinois to Perth right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Illinois to Perth now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Perth and let you know when they change.