Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Adelaide to Illinois from $1,295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Illinois departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Adelaide to Illinois

Cheap return flights

Logo
10:50 - 15:00ADL-ORD
43h 40m2 stops
Logo
15:40 - 10:10ORD-ADL
50h 00m2 stops
$1,447
Find Deal
Sen, 20 Okt - Sab, 8 Nov
Air Canada Logo
06:00 - 18:30ADL-ORD
29h 00m3 stops
Air Canada Logo
15:40 - 22:30ORD-ADL
39h 20m2 stops
$1,537Air Canada
Find Deal
Min, 8 Mar - Rab, 11 Mar
Air Canada Logo
06:00 - 14:10ADL-ORD
48h 40m3 stops
Air Canada Logo
15:40 - 22:30ORD-ADL
39h 20m2 stops
$1,538Air Canada
Find Deal
Min, 8 Mar - Rab, 11 Mar
Air New Zealand Logo
11:55 - 20:25ADL-ORD
24h 00m2 stops
Air New Zealand Logo
14:30 - 10:55ORD-ADL
27h 55m2 stops
$1,643Air New Zealand
Find Deal
Rab, 29 Okt - Rab, 5 Nov
Air Canada Logo
20:00 - 19:24ADL-ORD
38h 54m3 stops
Air Canada Logo
15:40 - 22:30ORD-ADL
38h 20m2 stops
$1,703Air Canada
Find Deal
Sen, 20 Okt - Sab, 8 Nov
Air Canada Logo
19:55 - 18:39ADL-ORD
38h 14m3 stops
Air Canada Logo
15:40 - 18:10ORD-ADL
34h 00m2 stops
$1,801Air Canada
Find Deal
Rab, 29 Okt - Rab, 5 Nov
Cathay Pacific Logo
12:00 - 13:00ADL-ORD
41h 30m1 stop
Cathay Pacific Logo
15:40 - 10:30ORD-ADL
27h 20m1 stop
$1,958Cathay Pacific
Find Deal
Min, 8 Mar - Rab, 11 Mar
Qatar Airways Logo
22:00 - 15:30ADL-ORD
33h 00m1 stop
Qatar Airways Logo
18:50 - 08:10ORD-ADL
44h 50m2 stops
$3,321Qatar Airways
Find Deal
Rab, 29 Okt - Rab, 5 Nov
Qatar Airways Logo
21:40 - 14:50ADL-ORD
32h 40m1 stop
Qatar Airways Logo
18:50 - 17:05ORD-ADL
29h 45m1 stop
$3,422Qatar Airways
Find Deal
Sen, 20 Okt - Sab, 8 Nov
Virgin Australia Logo
07:40 - 00:54ADL-ORD
32h 44m2 stops
Virgin Australia Logo
18:32 - 12:10ORD-ADL
26h 08m2 stops
$10,394Virgin Australia
Find Deal
Kam, 9 Okt - Sab, 18 Okt

Qatar Airways flights from Adelaide to Illinois

Our best Qatar Airways deals on Adelaide to Illinois flight tickets
Qatar Airways
29 Oct
ADL22:00Adelaide
33h 00m
1 stop
ORD15:30Chicago O'Hare Intl
5 Nov
ORD18:50Chicago O'Hare Intl
44h 50m
2 stops
ADL08:10Adelaide
$3,321
Find similar
Qatar Airways
20 Oct
ADL21:40Adelaide
32h 40m
1 stop
ORD14:50Chicago O'Hare Intl
8 Nov
ORD18:50Chicago O'Hare Intl
29h 45m
1 stop
ADL17:05Adelaide
$3,422
Find similar
Qatar Airways
20 Oct
ADL12:40Adelaide
41h 40m
2 stops
ORD14:50Chicago O'Hare Intl
8 Nov
ORD18:50Chicago O'Hare Intl
29h 45m
1 stop
ADL17:05Adelaide
$3,425
Find similar

Air Canada flights from Adelaide to Illinois

Our best Air Canada deals on Adelaide to Illinois flight tickets
Air Canada
8 Mar
ADL06:00Adelaide
29h 00m
3 stops
ORD18:30Chicago O'Hare Intl
11 Mar
ORD15:40Chicago O'Hare Intl
39h 20m
2 stops
ADL22:30Adelaide
$1,537
Find similar
Air Canada
8 Mar
ADL06:00Adelaide
48h 40m
3 stops
ORD14:10Chicago O'Hare Intl
11 Mar
ORD15:40Chicago O'Hare Intl
39h 20m
2 stops
ADL22:30Adelaide
$1,538
Find similar
Air Canada
20 Oct
ADL20:00Adelaide
38h 54m
3 stops
ORD19:24Chicago O'Hare Intl
8 Nov
ORD15:40Chicago O'Hare Intl
38h 20m
2 stops
ADL22:30Adelaide
$1,703
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Adelaide to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Adelaide to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sen 20/10

10:50-15:00

2 stops43h 40m

Chicago O'Hare Intl

Sab 8/11

15:40-10:10

2 stops50h 00m

$1,447

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Min 8/3

06:00-18:30

3 stops29h 00m

Chicago O'Hare Intl

Rab 11/3

15:40-22:30

2 stops39h 20m

$1,537

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Min 8/3

06:00-14:10

3 stops48h 40m

Chicago O'Hare Intl

Rab 11/3

15:40-22:30

2 stops39h 20m

$1,538

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Rab 29/10

11:55-20:25

2 stops24h 00m

Chicago O'Hare Intl

Rab 5/11

14:30-10:55

2 stops27h 55m

$1,643

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sen 20/10

20:00-19:24

3 stops38h 54m

Chicago O'Hare Intl

Sab 8/11

15:40-22:30

2 stops38h 20m

$1,703

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Rab 29/10

19:55-18:39

3 stops38h 14m

Chicago O'Hare Intl

Rab 5/11

15:40-18:10

2 stops34h 00m

$1,801

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Min 8/3

12:00-13:00

1 stop41h 30m

Chicago O'Hare Intl

Rab 11/3

15:40-10:30

1 stop27h 20m

$1,958

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Rab 29/10

22:00-15:30

1 stop33h 00m

Chicago O'Hare Intl

Rab 5/11

18:50-08:10

2 stops44h 50m

$3,321

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sen 20/10

21:40-14:50

1 stop32h 40m

Chicago O'Hare Intl

Sab 8/11

18:50-17:05

1 stop29h 45m

$3,422

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Kam 9/10

07:40-00:54

2 stops32h 44m

Chicago O'Hare Intl

Sab 18/10

18:32-12:10

2 stops26h 08m

$10,394

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

How to get the cheapest flight ticket from Adelaide to Illinois

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

What is the cheapest month to fly to Illinois?

In general, April is the cheapest month to fly from Adelaide to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,493. If you’re not able to fly to Illinois in April, then February is your next best option. Flight prices from Adelaide to Illinois during February average around $1,555.

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

On average, the least expensive day to fly to Illinois from Adelaide is on a Monday. momondo users have found tickets for Monday departures for as low as $2,059. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,252. These prices are subject to change though, so be sure to set up a Price Alert for flights to Illinois.

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

According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from Adelaide to Illinois in the afternoon for as low as $2,190. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Illinois are more costly in the evening, with an average ticket price of $2,397. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Adelaide to Illinois flights?

You could potentially save up to 21% on your flight if you consider stops on a Adelaide to Illinois flight.

Cheap Adelaide to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Adelaide to Illinois

Direct flights

None
There are no direct flights from Adelaide to Illinois. There are no popular flight routes from Adelaide to Illinois.
Search flight deals

  • When did momondo last update prices for flights from Adelaide Airport to Illinois?

    Prices for flights from Adelaide Airport to Illinois were last updated today.

  • How many operators does momondo search for flights from Adelaide Airport to Illinois?

  • How old do you have to be to fly from Adelaide Airport to Illinois?

    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 stopovers 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 Adelaide Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Adelaide to Illinois

Compare and see reviews for airlines that fly from Adelaide to Illinois with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,175Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Adelaide to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Adelaide to Illinois for you.

Can I find flights from Adelaide to Illinois with flexible booking policies on momondo?

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

How can momondo help me find flights from Adelaide to Illinois?

Once you have performed a search for Adelaide to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Adelaide to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Adelaide to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Kam 16/10
Kam 23/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois