What are the cheapest airlines to fly from Perth to Illinois one-way?

To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $1,134. Japan Airlines flights start at $1,684 while deals on Singapore Airlines start at $2,098 one-way. Find deals

What are the most popular airlines that fly from Perth to Illinois?

Cathay Pacific, Japan Airlines and Qantas Airways are the most popular airlines when flying from Perth to Illinois. Find deals

How far in advance should I book a flight from Perth to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 54% on flights from Perth to Illinois compared to booking the week you need them. Waiting 16 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,922. For sooner than that we have options available in the next 3 days from $2,051.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, May can be a great choice for travel to Illinois. Flights to Illinois from Perth in May are about $2,389 on average during May, but can be found for as low as $1,767.

What airport do you fly from for flights from Perth to Illinois?

Most people fly from Perth (PER) if they book a flight from Perth to Illinois. Perth is conveniently located just 10.2 km from Perth’s city centre.

Can I find deals for flights from Perth to Illinois that include hotel bookings?

Yes. In addition to deals on Perth to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Perth to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Illinois.

Can I find deals for business class flights from Perth to Illinois?

Yes. Cheapflights offers flight deals from Perth to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,080+ Flights from Perth to Illinois

Cheap flight deals from Perth to Illinois

Round-trip from	$1,977
One-way from	$1,080
Popular in	June
Cheapest in	May
Average price	$2,120

Qantas Airways
21/3-28/3
4 total stops
56h 14m total
Perth to Illinois

Search Deals

13/6
2 total stops
26h 51m total
Perth to Illinois

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($269 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($129 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Perth to Illinois

Cheapest flights from Perth to Illinois
Explore the most affordable flight options available from Perth to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Fri 21/308:00PER - ORD

2 stops28h 59mQantas Airways

Fri 28/320:20ORD - PER

2 stops27h 15mQantas Airways

Deal found 20/2$1,977

Thu 20/308:00PER - ORD

2 stops46h 23mMultiple Airlines

Thu 3/417:10ORD - PER

2 stops31h 45mMultiple Airlines

Deal found 20/2$2,046

Thu 20/321:55PER - ORD

2 stops35h 12mANA

Thu 3/411:50ORD - PER

1 stop43h 25mANA

Deal found 20/2$2,425

Mon 23/623:45PER - ORD

2 stops34h 23mUnited Airlines

Sun 6/706:30ORD - PER

2 stops33h 40mUnited Airlines

Deal found 20/2$2,429

Thu 20/322:45PER - ORD

2 stops28h 54mAir Canada

Thu 3/414:05ORD - PER

3 stops41h 25mAir Canada

Deal found 20/2$2,485

Wed 19/300:15PER - ORD

2 stops45h 20mJapan Airlines

Thu 3/412:05ORD - PER

2 stops45h 35mJapan Airlines

Deal found 20/2$2,606

Wed 25/623:55PER - ORD

2 stops37h 21mAmerican Airlines

Sat 5/722:06ORD - PER

2 stops48h 09mAmerican Airlines

Deal found 20/2$2,637

Fri 21/322:45PER - ORD

1 stop29h 45mQatar Airways

Fri 28/316:03ORD - PER

2 stops37h 37mQatar Airways

Deal found 20/2$2,762

Wed 19/300:15PER - ORD

1 stop26h 45mCathay Pacific

Thu 3/416:00ORD - PER

1 stop41h 40mCathay Pacific

Deal found 20/2$3,126

Sat 21/600:10PER - ORD

2 stops54h 40mFinnair

Sat 5/721:30ORD - PER

2 stops38h 10mFinnair

Deal found 20/2$3,172

Fri 21/322:20PER - ORD

1 stop30h 25mEmirates

Fri 28/320:45ORD - PER

1 stop38h 55mEmirates

Deal found 20/2$3,291

Thu 20/301:10PER - ORD

2 stops30h 06mSingapore Airlines

Fri 28/311:44ORD - PER

3 stops37h 56mSingapore Airlines

Deal found 20/2$4,735

Best flights from Perth to Illinois
Discover carefully curated flight deals from Perth to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Fri 21/308:00PER - ORD

2 stops28h 59mQantas Airways

Fri 28/320:20ORD - PER

2 stops27h 15mQantas Airways

Deal found 20/2$1,977

Thu 20/308:00PER - ORD

2 stops46h 23mMultiple Airlines

Thu 3/417:10ORD - PER

2 stops31h 45mMultiple Airlines

Deal found 20/2$2,046

Thu 20/321:55PER - ORD

2 stops35h 12mANA

Thu 3/411:50ORD - PER

1 stop43h 25mANA

Deal found 20/2$2,425

Mon 23/623:45PER - ORD

2 stops34h 23mUnited Airlines

Sun 6/706:30ORD - PER

2 stops33h 40mUnited Airlines

Deal found 20/2$2,429

Thu 20/322:45PER - ORD

2 stops28h 54mAir Canada

Thu 3/414:05ORD - PER

3 stops41h 25mAir Canada

Deal found 20/2$2,485

Wed 19/300:15PER - ORD

2 stops45h 20mJapan Airlines

Thu 3/412:05ORD - PER

2 stops45h 35mJapan Airlines

Deal found 20/2$2,606

Wed 25/623:55PER - ORD

2 stops37h 21mAmerican Airlines

Sat 5/722:06ORD - PER

2 stops48h 09mAmerican Airlines

Deal found 20/2$2,637

Fri 21/322:45PER - ORD

1 stop29h 45mQatar Airways

Fri 28/316:03ORD - PER

2 stops37h 37mQatar Airways

Deal found 20/2$2,762

Wed 19/300:15PER - ORD

1 stop26h 45mCathay Pacific

Thu 3/416:00ORD - PER

1 stop41h 40mCathay Pacific

Deal found 20/2$3,126

Sat 21/600:10PER - ORD

2 stops54h 40mFinnair

Mon 7/721:30ORD - PER

2 stops38h 10mFinnair

Deal found 20/2$3,172

Fri 21/322:20PER - ORD

1 stop30h 25mEmirates

Fri 28/320:45ORD - PER

1 stop38h 55mEmirates

Deal found 20/2$3,291

Thu 20/301:10PER - ORD

2 stops30h 06mSingapore Airlines

Fri 28/311:44ORD - PER

3 stops37h 56mSingapore Airlines

Deal found 20/2$4,735

Last-minute flights from Perth to Illinois
Discover last-minute flight deals from Perth to Illinois. Data last updated 21 February 2025 and is based on user searches.

Wed 19/300:15PER - ORD

2 stops45h 20mJapan Airlines

Thu 3/412:05ORD - PER

2 stops45h 35mJapan Airlines

Deal found 20/2$2,606

Wed 19/300:15PER - ORD

1 stop26h 45mCathay Pacific

Thu 3/416:00ORD - PER

1 stop41h 40mCathay Pacific

Deal found 20/2$3,126

Thu 20/308:00PER - ORD

2 stops46h 23mMultiple Airlines

Thu 3/417:10ORD - PER

2 stops31h 45mMultiple Airlines

Deal found 20/2$2,046

Thu 20/321:55PER - ORD

2 stops35h 12mANA

Thu 3/411:50ORD - PER

1 stop43h 25mANA

Deal found 20/2$2,425

Thu 20/322:45PER - ORD

2 stops28h 54mAir Canada

Thu 3/414:05ORD - PER

3 stops41h 25mAir Canada

Deal found 20/2$2,485

Thu 20/301:10PER - ORD

2 stops30h 06mSingapore Airlines

Fri 28/311:44ORD - PER

3 stops37h 56mSingapore Airlines

Deal found 20/2$4,735

Fri 21/308:00PER - ORD

2 stops28h 59mQantas Airways

Fri 28/320:20ORD - PER

2 stops27h 15mQantas Airways

Deal found 20/2$1,977

Fri 21/322:45PER - ORD

1 stop29h 45mQatar Airways

Fri 28/316:03ORD - PER

2 stops37h 37mQatar Airways

Deal found 20/2$2,762

Fri 21/322:20PER - ORD

1 stop30h 25mEmirates

Fri 28/320:45ORD - PER

1 stop38h 55mEmirates

Deal found 20/2$3,291

One-way flights from Perth to Illinois
Search for one-way flight options from Perth to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Fri 13/610:25PER - ORD

2 stops26h 51mMultiple Airlines

Deal found 20/2$1,080

Fri 13/623:55PER - ORD

2 stops29h 52mQantas Airways

Deal found 20/2$1,134

Thu 12/600:10PER - ORD

2 stops28h 50mJapan Airlines

Deal found 20/2$1,684

Thu 12/601:10PER - ORD

3 stops59h 15mSingapore Airlines

Deal found 21/2$2,098

Fri 13/609:15PER - ORD

1 stop42h 10mCathay Pacific

Deal found 20/2$2,109

Find flights from Perth to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

PerthChicago

PER - ORD

PERORD

Perth

Fri 21/3

08:00-23:59

2 stops28h 59m

Chicago O'Hare Intl

Fri 28/3

20:20-12:35

2 stops27h 15m

$1,977

PerthChicago

PER - ORD

PERORD

Perth

Thu 20/3

08:00-17:23

2 stops46h 23m

Chicago O'Hare Intl

Thu 3/4

17:10-13:55

2 stops31h 45m

$2,046

PerthChicago

PER - ORD

PERORD

Perth

Thu 20/3

21:55-20:07

2 stops35h 12m

Chicago O'Hare Intl

Thu 3/4

11:50-20:15

1 stop43h 25m

$2,425

PerthChicago

PER - ORD

PERORD

Perth

Mon 23/6

23:45-21:08

2 stops34h 23m

Chicago O'Hare Intl

Sun 6/7

06:30-05:10

2 stops33h 40m

$2,429

PerthChicago

PER - ORD

PERORD

Perth

Thu 20/3

22:45-14:39

2 stops28h 54m

Chicago O'Hare Intl

Thu 3/4

14:05-20:30

3 stops41h 25m

$2,485

PerthChicago

PER - ORD

PERORD

Perth

Wed 19/3

00:15-08:35

2 stops45h 20m

Chicago O'Hare Intl

Thu 3/4

12:05-22:40

2 stops45h 35m

$2,606

PerthChicago

PER - ORD

PERORD

Perth

Wed 25/6

23:55-00:16

2 stops37h 21m

Chicago O'Hare Intl

Sat 5/7

22:06-11:15

2 stops48h 09m

$2,637

PerthChicago

PER - ORD

PERORD

Perth

Fri 21/3

22:45-15:30

1 stop29h 45m

Chicago O'Hare Intl

Fri 28/3

16:03-18:40

2 stops37h 37m

$2,762

PerthChicago

PER - ORD

PERORD

Perth

Wed 19/3

00:15-14:00

1 stop26h 45m

Chicago O'Hare Intl

Thu 3/4

16:00-22:40

1 stop41h 40m

$3,126

PerthChicago

PER - ORD

PERORD

Perth

Sat 21/6

00:10-17:50

2 stops54h 40m

Chicago O'Hare Intl

Mon 7/7

21:30-00:40

2 stops38h 10m

$3,172

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 17 results

Best time to book a flight from Perth to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Perth with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Perth to Illinois

Get recent, data-driven insights about flights from Perth to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from PER to IL?

When flying from Perth to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA

8.4

Very Good

836 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Japan Airlines

8.3

Very Good

1,440 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Emirates

8.1

Very Good

3,276 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Singapore Airlines

8.1

Very Good

1,297 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Finnair

7.6

Good

1,273 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Related info for your journey

What airport do you fly from for flights from Perth to Illinois?
Most people fly from Perth (PER) if they book a flight from Perth to Illinois. Perth is conveniently located just 10.2 km from Perth’s city centre.
What are the cheapest airlines to fly from Perth to Illinois one-way?
To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $1,134. Japan Airlines flights start at $1,684 while deals on Singapore Airlines start at $2,098 one-way.
Can I find deals for flights from Perth to Illinois that include hotel bookings?
Yes. In addition to deals on Perth to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Perth to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Illinois.
Can I find deals for business class flights from Perth to Illinois?
Yes. Cheapflights offers flight deals from Perth to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Perth to Illinois

Perth to LaGuardia flights

Perth to Newark flights

Perth to Los Angeles flights

Perth to Boston flights

Perth to Ontario flights

Perth to John F Kennedy Intl flights

Perth to San Francisco flights

Perth to Dallas/Fort Worth flights

Perth to Seattle flights

Perth to Atlanta flights

Perth to Miami flights

Perth to San Diego flights

Perth to Honolulu flights

Perth to San Jose flights

Perth to Orlando flights

Perth to Hobby flights

Perth to Fort Lauderdale flights

Perth to Las Vegas flights

Perth to Minneapolis flights

Perth to George Bush Intcntl flights

Perth to O'Hare Intl flights

Perth to Baltimore flights

Perth to Reagan-National flights

Perth to Dulles Intl flights

Perth to New Orleans flights

Perth to Philadelphia flights

Perth to Portland flights

Perth to Detroit flights

Perth to Cleveland flights

Perth to Kailua-Kona flights

Perth to Indianapolis flights

Perth to Salt Lake City flights

Perth to Sacramento flights

Perth to Kahului flights

Perth to Long Beach flights

Perth to Charlotte flights

Perth to San Antonio flights

Perth to Anchorage flights

Perth to Denver flights

Perth to Des Moines flights

Perth to Santa Rosa flights

Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Springfield Capital Airport car hire

Chicago Greater Rockford Airport car hire

Champaign University-Willard Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Top 4 airlines flying from Perth to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,786	Average$2,492	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Cathay Pacific	Cheapest$1,927	Average$2,187	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Japan Airlines	Cheapest$2,079	Average$2,785	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Singapore Airlines	Cheapest$2,203	Average$2,550	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Perth to Illinois?

Deals for Perth to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Perth to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Perth to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Perth to Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Perth to Illinois, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Perth to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Perth to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Perth to Illinois from $1,080

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Perth to Illinois

Keep the following information in mind while searching for Perth to Illinois flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Perth to Illinois

Cheapest flights from Perth to IllinoisExplore the most affordable flight options available from Perth to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Perth to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Perth to Illinois within your budget

Best time to book a flight from Perth to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Perth with our price prediction graph.

Travel insights for flights from Perth to Illinois

Get recent, data-driven insights about flights from Perth to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from PER to IL?

Find hourly flight availability from Perth to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Related info for your journey

Find useful and relevant information for your journey from Perth to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Perth to Illinois?

What are the cheapest airlines to fly from Perth to Illinois one-way?

Can I find deals for flights from Perth to Illinois that include hotel bookings?

How can I find direct flights from Perth to Illinois?

Can I find deals for business class flights from Perth to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Perth to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Perth to Illinois

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Perth to Illinois?

Why should you use Cheapflights to find cheap flight tickets from Perth to Illinois?

Can Cheapflights find flights from Perth to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Perth to Illinois become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Perth to Illinois
Explore the most affordable flight options available from Perth to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.