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ORD - ADL

Find cheap flights from Chicago to Adelaide from $1,961

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Adelaide departing on 1/9. 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.
1 adult
Fri 7/6
Fri 14/6

Search hundreds of travel sites at once for deals on flights to Adelaide

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Adelaide, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Adelaide, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,968,530 times on KAYAK, and here's why:

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Cheap flight deals from O'Hare Intl to Adelaide (ORD-ADL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from O'Hare Intl to Adelaide that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
11:50 - 13:15ORD-ADL
34h 55m2 stops
20:10 - 17:37ADL-ORD
35h 57m2 stops
$1,961Qantas Airways
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Sun, 1 Sep - Tue, 10 Sep
18:24 - 10:20ORD-ADL
25h 26m2 stops
20:10 - 17:37ADL-ORD
35h 57m2 stops
$1,977Qantas Airways
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Sun, 1 Sep - Tue, 10 Sep
14:10 - 10:55ORD-ADL
30h 15m2 stops
11:55 - 00:40ADL-ORD
27h 15m2 stops
$2,054Air New Zealand
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Sat, 27 Jul - Mon, 26 Aug
09:55 - 11:15ORD-ADL
34h 50m2 stops
12:00 - 06:13ADL-ORD
32h 43m2 stops
$2,131
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Sun, 15 Sep - Tue, 24 Sep
18:25 - 11:35ORD-ADL
26h 40m2 stops
13:35 - 06:00ADL-ORD
31h 55m2 stops
$2,514
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Sat, 14 Sep - Mon, 7 Oct
19:35 - 10:20ORD-ADL
24h 15m2 stops
11:55 - 20:50ADL-ORD
23h 25m2 stops
$2,562Air New Zealand
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Fri, 26 Jul - Mon, 26 Aug
17:25 - 07:25ORD-ADL
47h 30m2 stops
09:10 - 16:55ADL-ORD
46h 15m2 stops
$2,689Singapore Airlines
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Fri, 13 Sep - Wed, 2 Oct
17:25 - 07:25ORD-ADL
47h 30m2 stops
09:10 - 16:55ADL-ORD
46h 15m2 stops
$2,765Singapore Airlines
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Fri, 13 Sep - Sat, 5 Oct
19:46 - 19:55ORD-ADL
32h 39m2 stops
19:55 - 15:41ADL-ORD
36h 16m2 stops
$3,364Air Canada
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Wed, 30 Oct - Sun, 3 Nov
19:46 - 19:55ORD-ADL
32h 39m2 stops
19:55 - 19:42ADL-ORD
40h 17m3 stops
$3,374Air Canada
Find Deal
Wed, 30 Oct - Sun, 3 Nov

Flights from O'Hare Intl to Adelaide - Travel Insights & Trends

Get data-powered insights and trends into flights from O'Hare Intl to Adelaide to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Adelaide?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Chicago O'Hare Intl Airport to Adelaide, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago O'Hare Intl Airport to Adelaide is August, where tickets cost $2,202 on average. On the other hand, the most expensive months are December and September, where the average cost of tickets is $5,102 and $4,451 respectively.

Good to know

Low season

August

High season

December

Cheapest flight

$1,961
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly (28% more expensive on average)
Flight from Chicago to Adelaide

When to book flights from O'Hare Intl to Adelaide

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Adelaide based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Adelaide flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Adelaide?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Adelaide was $1,296 for a return ticket.

  • Which airports will I be using when flying from Chicago to Adelaide?

    Chicago and Adelaide are both served by 1 main airport. You will leave Chicago from Chicago O'Hare Intl and will be arriving at Adelaide.

  • Which aircraft models fly most regularly from Chicago to Adelaide?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago to Adelaide?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago and Adelaide, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Chicago to Adelaide?

    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 Chicago to Adelaide.

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

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

  • What is the Hacker Fare option on flights from Chicago to Adelaide?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Adelaide with an airline and back to Chicago with another airline.

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

    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 to Adelaide from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Chicago - Adelaide Flights

Departure:

Chicago (undefined)United States

Destination:

Adelaide (ADL)Australia

Return flight deals:

Adelaide - Chicago

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