What is the cheapest airline that flies from Chicago O'Hare Intl to Australia?

Fiji Airways, ANA, and Qantas Airways are the most popular carriers operating from Chicago O'Hare Intl to Australia

What airlines fly to Australia?

American Airlines, Qantas Airways and United Airlines are the top three most popular airlines that fly to Australia from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 10 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Australia?

Prices for flights from Chicago O'Hare Intl Airport to Australia were last updated today.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Australia?

There are 10 operators available for flights from Chicago O'Hare Intl Airport to Australia as of April 2025.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Australia?

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 Chicago O'Hare Intl Airport to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia 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 license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$468 Cheap Flights from Chicago O'Hare Intl Airport to Australia in 2025

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Find the cheapest flights from Chicago O'Hare Intl Airport to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago O'Hare Intl Airport to Australia.

11:45 am - 12:15 pmORD-SYD

33h 30m3 stops

1:15 pm - 6:51 amSYD-ORD

32h 36m3 stops

$1,072

Find Deal

Thu, Jun 5 - Thu, Jun 12

11:45 am - 12:15 pmORD-SYD

33h 30m3 stops

1:15 pm - 6:51 amSYD-ORD

32h 36m3 stops

$1,078

Find Deal

Thu, Jun 5 - Thu, Jun 12

8:50 am - 6:45 amORD-MEL

30h 55m1 stop

9:45 am - 11:43 pmMEL-ORD

28h 58m1 stop

$1,344Qantas Airways

Find Deal

Sun, Aug 3 - Sun, Aug 17

3:15 pm - 7:30 amORD-SYD

25h 15m1 stop

12:10 pm - 5:20 pmSYD-ORD

20h 10m1 stop

$1,349Qantas Airways

Find Deal

Wed, Sep 10 - Wed, Sep 24

2:20 pm - 6:45 amORD-MEL

25h 25m2 stops

3:05 pm - 11:43 pmMEL-ORD

23h 38m1 stop

$1,413American Airlines

Find Deal

Mon, Aug 4 - Wed, Aug 20

8:40 am - 7:20 amORD-SYD

31h 40m3 stops

9:20 am - 8:01 amSYD-ORD

37h 41m2 stops

$1,421Air Canada

Find Deal

Tue, Sep 2 - Wed, Sep 24

4:20 pm - 7:30 amORD-MEL

24h 10m2 stops

10:55 am - 8:11 pmMEL-ORD

24h 16m1 stop

$1,441United Airlines

Find Deal

Wed, Jun 18 - Wed, Jun 25

6:30 pm - 10:35 amORD-MEL

25h 05m2 stops

3:05 pm - 12:59 amMEL-ORD

24h 54m1 stop

$1,442American Airlines

Find Deal

Mon, Jun 23 - Wed, Jul 16

12:45 pm - 7:30 amORD-MEL

27h 45m2 stops

10:55 am - 9:08 pmMEL-ORD

25h 13m1 stop

$1,445United Airlines

Find Deal

Wed, Jun 18 - Wed, Jun 25

10:40 am - 8:20 amORD-SYD

29h 40m3 stops

10:20 am - 8:05 amSYD-ORD

37h 45m2 stops

$1,466Air Canada

Find Deal

Tue, Oct 21 - Thu, Oct 30

Delta flights from Chicago O'Hare Intl Airport to Australia

Our best Delta deals on Chicago O'Hare Intl Airport to Australia flight tickets

Delta

Sep 8

ORD1:16 pmChicago O'Hare Intl

26h 19m

2 stops

SYD6:35 amSydney Kingsford Smith

Sep 21

SYD9:25 amSydney Kingsford Smith

25h 22m

2 stops

ORD7:47 pmChicago O'Hare Intl

$1,471

Find similar

Delta

Jul 16

ORD8:30 amChicago O'Hare Intl

31h 05m

2 stops

SYD6:35 amSydney Kingsford Smith

Jul 25

SYD9:25 amSydney Kingsford Smith

22h 24m

2 stops

ORD4:49 pmChicago O'Hare Intl

$1,521

Find similar

Alaska Airlines flights from Chicago O'Hare Intl Airport to Australia

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Australia flight tickets

Alaska Airlines

May 6

ORD6:58 pmChicago O'Hare Intl

33h 47m

2 stops

SYD7:45 pmSydney Kingsford Smith

May 27

SYD9:40 pmSydney Kingsford Smith

34h 22m

2 stops

ORD5:02 pmChicago O'Hare Intl

$1,401

Find similar

Alaska Airlines

Apr 30

ORD7:19 pmChicago O'Hare Intl

33h 26m

2 stops

SYD7:45 pmSydney Kingsford Smith

May 10

SYD9:40 pmSydney Kingsford Smith

35h 40m

2 stops

ORD6:20 pmChicago O'Hare Intl

$1,454

Find similar

Alaska Airlines

Oct 23

ORD7:55 pmChicago O'Hare Intl

31h 50m

2 stops

SYD7:45 pmSydney Kingsford Smith

Nov 1

SYD9:40 pmSydney Kingsford Smith

33h 19m

2 stops

ORD2:59 pmChicago O'Hare Intl

$1,475

Find similar

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Australia

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

Prices

Airlines

What is the cheapest month to fly to Australia?

The month of March is, on average, the cheapest month to fly to Australia from Chicago O'Hare Intl Airport, with most prices found around $857. If you aren’t able to travel during the month of March, then book flights to Australia from Chicago O'Hare Intl Airport during May instead. Flights to Australia in May, while not as cheap as those in March, still average around $878.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Chicago O'Hare Intl Airport to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $935. On the other hand, Thursday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,415.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Chicago O'Hare Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,185 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,417 on average. Flights to Australia from Chicago O'Hare Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Chicago O'Hare Intl Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,113 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Chicago O'Hare Intl Airport for as low as $843 on momondo.

Cheap Chicago O'Hare Intl Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Australia

Best Price Found	$468
Fastest flight time	19h 47m
Direct flights	None
Airports in Australia	8 airports

The best one-way flight to Australia from Chicago O'Hare Intl Airport in the past 72 hours is $468. The best round-trip flight deal from Chicago O'Hare Intl Airport to Australia found on momondo in the last 72 hours is $1,072.

The fastest flight from Chicago O'Hare Intl Airport to Australia takes 19h 47m

There are no direct flights from Chicago O'Hare Intl Airport to Australia. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Coolangatta Gold Coast Airport, Chicago O'Hare Intl Airport - Cairns Airport and Chicago O'Hare Intl Airport - Brisbane Airport.

There are 8 airports near Australia: Canberra (CBR), Melbourne (MEL), Hobart (HBA), Brisbane (BNE), Cairns (CNS), Perth (PER), Coolangatta Gold Coast (OOL), Sydney Kingsford Smith (SYD)

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When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Australia?
Prices for flights from Chicago O'Hare Intl Airport to Australia were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Australia?
There are 10 operators available for flights from Chicago O'Hare Intl Airport to Australia as of April 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Australia?
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 Chicago O'Hare Intl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia 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 license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago O'Hare Intl Airport to Australia

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Australia with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $630	Free Cancellation	Rating 7.5 828 reviews	Search Qantas Airways flights
ANA	PriceFrom $679	Free Cancellation	Rating 8.3 855 reviews	Search ANA flights
American Airlines	PriceFrom $679	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $852	Free Cancellation	Rating 8.0 7,927 reviews	Search Delta flights
Air Canada	PriceFrom $953	Free Cancellation	Rating 7.0 9,240 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $1,021	Free Cancellation	Rating 8.1 190 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $1,164	Free Cancellation	Rating 7.4 8,694 reviews	Search United Airlines flights
Air New Zealand	PriceFrom $1,235	Free Cancellation	Rating 8.0 471 reviews	Search Air New Zealand flights
Cathay Pacific	PriceFrom $1,305	Free Cancellation	Rating 7.5 852 reviews	Search Cathay Pacific flights
Singapore Airlines	PriceFrom $1,421	Free Cancellation	Rating 8.1 1,292 reviews	Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Australia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Australia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Australia from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Australia?

Once all potential Chicago to Australia 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 Chicago to Australia right now. Can momondo alert me if prices change?

Price alerts on flights to Australia from Chicago 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.