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AC
Air Canada
LH
Lufthansa
LX
Swiss International Air Lines
OS
Austrian Airlines
UA
United Airlines
One Way
•
Economy
ORD
O'Hare International Airport
Chicago, United States
ATH
Athens International Airport
Athens, Greece
$635 USD
-41%
$374
USD
Verified Dec 1, 2025 at 12:58 AM
December 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
$470
2
$470
3
$472
4
$522
5
$520
6
$522
7
$395
8
$395
9
$399
10
$410
11
$447
12
$470
13
$529
14
$643
15
$644
16
$648
17
$933
18
$1,023
19
$1,712
20
$1,777
21
$1,018
22
$1,007
23
$998
24
$708
25
$780
26
$1,046
27
$1,035
28
$781
29
$541
30
$418
31
$396
1
$441
2
$542
3
$760
4
$471
Fair Availability
25% of dates checked are available within 10% of the lowest price
Wednesday, December 17th, 2025
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