Question 1

How does KAYAK find such low prices on flights from Perth to Illinois?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Perth to Illinois. <a href='/flight-routes/Perth-PER/Illinois-USIL'>Visit our flight page for the latest deals!>/a>

Question 2

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Perth to Illinois?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Perth to Illinois is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Perth-PER/Illinois-USIL'>Visit our flight page for the latest deals!>/a>

Question 3

What is the Hacker Fare option on flights from Perth to Illinois?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Perth to Illinois with an airline and back with another airline. <a href='/flight-routes/Perth-PER/Illinois-USIL'>Visit our flight page for the latest deals!>/a>

Question 4

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Perth to Illinois?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Perth to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Perth-PER/Illinois-USIL'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines provide the cheapest flights from Perth to Illinois?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Perth to Illinois were found on Japan Airlines ($1,082) and ANA ($1,300).

Question 6

Which airlines provide the cheapest flights from Perth to Illinois?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Perth to Illinois were found on Japan Airlines ($1,082) and ANA ($1,300).

Question 7

What’s the cheapest day of the week to fly from Perth to Illinois?

Accepted Answer

When flying from Perth to Illinois, you should consider leaving on a Wednesday and avoid Thursdays if you are looking for the best rates. For your return to Perth, you’ll find the best rates on Mondays and the most expensive ones on Fridays.

Question 8

What’s the cheapest day of the week to fly from Perth to Illinois?

Accepted Answer

When flying from Perth to Illinois, you should consider leaving on a Wednesday and avoid Thursdays if you are looking for the best rates. For your return to Perth, you’ll find the best rates on Mondays and the most expensive ones on Fridays.

Question 9

What is the cheapest time of day to fly to Illinois?

Accepted Answer

The cheapest time of day to fly to Illinois is generally in the afternoon, when round-trip flights cost $1,171 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $2,149.

Question 10

What is the cheapest month to fly from Perth to Illinois?

Accepted Answer

The cheapest month for flights from Perth to Illinois is May, when tickets cost $1,236 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of round-trip tickets is $1,957 and $1,667 respectively.

Question 11

What is the cheapest month to fly from Perth to Illinois?

Accepted Answer

The cheapest month for flights from Perth to Illinois is May, when tickets cost $1,236 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of round-trip tickets is $1,957 and $1,667 respectively.

Question 12

How long does a flight from Perth to Illinois take?

Accepted Answer

The duration of a flight to Illinois depends on your arrival airport. The shortest route to Illinois from Perth is to Chicago, which takes 33h 40m.

Question 13

How long does a flight from Perth to Illinois take?

Accepted Answer

The duration of a flight to Illinois depends on your arrival airport. The shortest route to Illinois from Perth is to Chicago, which takes 33h 40m.

Low season	April
High season	December
Cheapest flight	$639

$639 Find Cheap Flights from Perth to Illinois

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

Book Cheap Perth to Illinois Plane Tickets

Recent round-trip flight deals from Perth to Illinois

Recent one-way flight deals from Perth to Illinois

KAYAK's insights & trends for Perth to Illinois flights

Get data-powered insights and trends into flights from Perth to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Perth to Illinois?

The cheapest month for flights from Perth to Illinois is May, when tickets cost $1,236 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of round-trip tickets is $1,957 and $1,667 respectively.

What’s the cheapest day of the week to fly from Perth to Illinois?

When flying from Perth to Illinois, you should consider leaving on a Wednesday and avoid Thursdays if you are looking for the best rates. For your return to Perth, you’ll find the best rates on Mondays and the most expensive ones on Fridays.

Which airlines provide the cheapest flights from Perth to Illinois?

In the past 3 days, the cheapest round-trip tickets from Perth to Illinois were found on Japan Airlines ($1,082) and ANA ($1,300).

How long does a flight from Perth to Illinois take?

The duration of a flight to Illinois depends on your arrival airport. The shortest route to Illinois from Perth is to Chicago, which takes 33h 40m.

Good to know

FAQs - booking Illinois flights

How does KAYAK find such low prices on flights from Perth to Illinois?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Perth to Illinois.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Perth to Illinois?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Perth to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Perth to Illinois?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Perth to Illinois with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Perth to Illinois?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Perth to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Illinois?

The cheapest time of day to fly to Illinois is generally in the afternoon, when round-trip flights cost $1,171 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $2,149.

Everything you need to know for your flight from Perth to Illinois

Information on your arrival and departure airports

Cabin class types available on flights to Illinois

Complete your trip to Illinois with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in Perth to Illinois

Find deals for your return flight