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AC
Air Canada
LH
Lufthansa
LX
Swiss International Air Lines
OS
Austrian Airlines
UA
United Airlines
One Way
•
Economy
EWR
Newark Liberty Airport
Newark, United States
LIS
Portela Airport
Lisbon, Portugal
$376 USD
-43%
$216
USD
Verified Sep 20, 2025 at 3:32 PM
September 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
$846
21
$631
22
$626
23
$626
24
$647
25
$846
26
$853
27
$846
28
$626
29
$626
30
$647
1
$966
2
$846
3
$853
4
$473
5
$419
Fair Availability
27% of dates checked are available within 10% of the lowest price
Tuesday, September 30th, 2025
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