Skip to content

United flights from Chicago to Sydney starting at

Select journey type

Enter to select travel class and passengers

Book with confidence with United

Low fare calendar for flights from Chicago (ORD) to Sydney (SYD)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
from
$5,458 Price subject to changes
Viewed:14 hours ago
Return:
7
8
from
$3,820 Price subject to changes
Viewed:14 hours ago
Return:
9
10
11
from
$5,458 Price subject to changes
Viewed:14 hours ago
Return:
12
13
from
$5,458 Price subject to changes
Viewed:14 hours ago
Return:
14
15
16
from
$5,458 Price subject to changes
Viewed:14 hours ago
Return:
17
from
$5,458 Price subject to changes
Viewed:14 hours ago
Return:
18
from
$3,166 Price subject to changes
Viewed:1 hour ago
Return:
19
from
$5,458 Price subject to changes
Viewed:14 hours ago
Return:
20
21
22
23
24
25
26
27
28
29
30
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More United deals on Chicago (ORD) to Sydney (SYD) flights

FromToDatesFare TypePrice

Chicago (ORD)

Sydney (SYD)

Depart: 04/05/21

Return: 04/12/21

Roundtrip
from
$2,455*
Viewed:1dayago

Chicago (ORD)

Sydney (SYD)

Depart: 03/24/21

Return: 04/07/21

Roundtrip
from
$2,845*
Viewed:1dayago

Chicago (ORD)

Sydney (SYD)

Depart: 02/07/21

Return: 02/19/21

Roundtrip
from
$3,165*
Viewed:1dayago

Chicago (ORD)

Sydney (SYD)

Depart: 11/22/20

Return: 01/06/21

Roundtrip
from
$3,165*
Viewed:1dayago

Chicago (ORD)

Sydney (SYD)

Depart: 04/23/21

Return: 05/04/21

Roundtrip
from
$2,515*
Viewed:1dayago

Chicago (ORD)

Sydney (SYD)

Depart: 05/15/21

Return: 05/29/21

Roundtrip
from
$2,585*
Viewed:22hoursago

Chicago (ORD)

Sydney (SYD)

Depart: 09/15/21

Return: 09/25/21

Roundtrip
from
$2,607*
Viewed:1dayago

Chicago (ORD)

Sydney (SYD)

Depart: 11/18/20

Return: 01/06/21

Roundtrip
from
$3,166*
Viewed:1hourago

Chicago (ORD)

Sydney (SYD)

Depart: 01/09/21

Return: 01/16/21

Roundtrip
from
$3,495*
Viewed:13hoursago

Chicago (ORD)

Sydney (SYD)

Depart: 01/16/21

Return: 01/23/21

Roundtrip
from
$3,495*
Viewed:13hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Sydney

Sunday heavy intensity rain
58°F 10/25/20
Monday very heavy rain
57°F 10/26/20
Tuesday moderate rain
60°F 10/27/20
Wednesday light rain
63°F 10/28/20
Thursday heavy intensity rain
63°F 10/29/20
Friday light rain
65°F 10/30/20
Saturday light rain
67°F 10/31/20
Powered by: OpenWeatherMap.org