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$161+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — SYD
30 Mar — 6 Apr1
1 adult

What to know about flights from Illinois

Discover essential information about flights departing from Illinois, including flight schedules, destinations, airlines operating at the Illinois airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 25 March 2025.

Good round-trip deal

$172 or less

Good one-way deal

$61 or less
Price to beat on a round-trip flight from Illinois.
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Price to beat on a one-way flight from Illinois.
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Find flights from Illinois

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.

Sun 25/515:15ORD - SYD
1 stop25h 15mQantas Airways
Wed 18/609:10SYD - ORD
1 stop23h 07mQantas Airways
Deal found 24/3$1,311
Thu 1/511:53ORD - SYD
2 stops33h 22mMultiple Airlines
Fri 9/513:15SYD - ORD
2 stops32h 27mMultiple Airlines
Deal found 24/3$1,532
Tue 6/511:53ORD - MEL
2 stops32h 37mMultiple Airlines
Tue 13/512:55MEL - ORD
2 stops32h 47mMultiple Airlines
Deal found 23/3$1,549
Tue 13/517:38ORD - OOL
2 stops37h 27mMultiple Airlines
Sat 24/518:35OOL - ORD
2 stops37h 51mMultiple Airlines
Deal found 24/3$1,588
Sun 25/519:13ORD - AVV
2 stops27h 57mMultiple Airlines
Wed 18/606:00AVV - ORD
2 stops32h 55mMultiple Airlines
Deal found 24/3$1,608
Thu 8/505:51ORD - CNS
3 stops38h 34mMultiple Airlines
Thu 15/512:25CNS - ORD
2 stops33h 17mMultiple Airlines
Deal found 24/3$1,632
Tue 3/619:13ORD - BNE
2 stops26h 22mQantas Airways
Wed 11/614:15BNE - ORD
2 stops24h 20mQantas Airways
Deal found 24/3$1,635
Wed 10/915:40ORD - SYD
1 stop24h 40mAir Canada
Wed 24/909:20SYD - ORD
2 stops25h 51mAir Canada
Deal found 25/3$1,648
Tue 13/517:38ORD - MEL
2 stops25h 57mQantas Airways
Sun 25/506:00MEL - ORD
2 stops24h 55mQantas Airways
Deal found 24/3$1,699
Tue 6/509:30ORD - BNE
3 stops46h 20mMultiple Airlines
Tue 20/511:40BNE - ORD
2 stops34h 02mMultiple Airlines
Deal found 24/3$1,705
Mon 30/618:53ORD - CNS
2 stops27h 02mQantas Airways
Sat 12/717:35CNS - ORD
2 stops59h 42mQantas Airways
Deal found 24/3$1,715
Wed 3/917:05ORD - PER
2 stops35h 00mQantas Airways
Sun 14/923:55PER - ORD
2 stops32h 39mQantas Airways
Deal found 24/3$1,860

Find flights from Illinois within your budget

Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 25 March 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 25/5

15:15-07:30

1 stop25h 15m

Sydney Kingsford Smith

Wed 18/6

09:10-17:17

1 stop23h 07m

$1,311

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 1/5

11:53-12:15

2 stops33h 22m

Sydney Kingsford Smith

Fri 9/5

13:15-06:42

2 stops32h 27m

$1,532

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 6/5

11:53-11:30

2 stops32h 37m

Melbourne

Tue 13/5

12:55-06:42

2 stops32h 47m

$1,549

ChicagoCoolangatta

ORD - OOL

ORDOOL

Chicago O'Hare Intl

Tue 13/5

17:38-22:05

2 stops37h 27m

Coolangatta Gold Coast

Sat 24/5

18:35-17:26

2 stops37h 51m

$1,588

ChicagoMelbourne

ORD - AVV

ORDAVV

Chicago O'Hare Intl

Sun 25/5

19:13-14:10

2 stops27h 57m

Melbourne Avalon

Wed 18/6

06:00-23:55

2 stops32h 55m

$1,608

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 8/5

05:51-11:25

3 stops38h 34m

Cairns

Thu 15/5

12:25-06:42

2 stops33h 17m

$1,632

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 3/6

19:13-12:35

2 stops26h 22m

Brisbane

Wed 11/6

14:15-23:35

2 stops24h 20m

$1,635

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 10/9

10:40-07:20

2 stops29h 40m

Sydney Kingsford Smith

Wed 15/10

10:20-20:11

2 stops25h 51m

$1,648

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 13/5

17:38-10:35

2 stops25h 57m

Melbourne

Sun 25/5

06:00-15:55

2 stops24h 55m

$1,699

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 30/6

18:53-12:55

2 stops27h 02m

Cairns

Sat 12/7

17:35-14:17

2 stops59h 42m

$1,715

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 results
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Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois 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 Illinois

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

What is the cheapest month to book a flight from Illinois?

Currently, October is the cheapest month in which you can book a flight from Illinois (average of $1,214). Flying from Illinois in December will prove the most costly (average of $1,371). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Illinois?

When flying from Illinois check dates and pricing for the following: Qantas Airways, United Airlines, Air Canada. As they depart for the following popular destinations: Sydney.

Qantas Airways

Qantas Airways

From $791

Air Canada

Air Canada

From $952

United Airlines

United Airlines

From $1,203

Spirit Airlines

Spirit Airlines

From $54

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is New York, with prices starting at $60. Explore other affordable destinations below.

New York

New York

From $38

Atlanta Hartsfield-Jackson

Atlanta Hartsfield-Jackson

From $66

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From $84

Los Angeles

Los Angeles

From $85

Airline reviews for flights from Illinois

Get insights into the airlines that provide service from Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Illinois. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,440 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very Good
826 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very Good
1,284 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.0
Very Good
182 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Entertainment

7.2

Overall

8.7

Boarding

8.7

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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Direct flights from Moline

Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 25 March 2025.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is October. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Illinois?

    View the cheapest flight destinations from Illinois:
    Fly from Chicago to Sydney from $1,311 round trip
    Fly from Chicago to Melbourne from $1,626 round trip

  • How does Cheapflights help users find flights from Illinois?

    Deals for flights from Illinois 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Illinois with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois flexibly with Cheapflights today.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

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 Illinois?

Deals for flights from Illinois 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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