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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
$408 USD
-34%
$268
USD
Verified Dec 1, 2025 at 12:41 AM
January 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
29
$380
30
$373
31
$373
1
$373
2
$373
3
$453
4
$438
5
$380
6
$373
7
$373
8
$351
9
$356
10
$373
11
$363
12
$373
13
$373
14
$373
15
$373
16
$373
17
$373
18
$373
19
$373
20
$373
21
$373
22
$373
23
$373
24
$373
25
$373
26
$373
27
$373
28
$373
29
$373
30
$373
31
$373
1
Limited Availability
15% of dates checked are available within 10% of the lowest price
Thursday, January 1st, 2026
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