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AA
American Airlines
One Way
•
Economy
ORD
O'Hare International Airport
Chicago, United States
LIS
Portela Airport
Lisbon, Portugal
$917 USD
-60%
$371
USD
Verified Dec 1, 2025 at 4:09 AM
January 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
29
$665
30
$657
31
$657
1
$705
2
$705
3
$813
4
$665
5
$665
6
$657
7
$657
8
$705
9
$705
10
$705
11
$371
12
$371
13
$371
14
$371
15
$421
16
$421
17
$421
18
$371
19
$371
20
$371
21
$371
22
$421
23
$421
24
$421
25
$371
26
$371
27
$371
28
$371
29
$421
30
$421
31
$421
1
Limited Availability
18% of dates checked are available within 10% of the lowest price
Sunday, January 11th, 2026
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