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US Dollar
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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
December 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
$456
2
$456
3
$456
4
$504
5
$506
6
$504
7
$456
8
$456
9
$456
10
$451
11
$506
12
$506
13
$506
14
$433
15
$565
16
$565
17
$629
18
$618
19
$1,182
20
$986
21
$986
22
$734
23
$734
24
$621
25
$614
26
$521
27
$509
28
$380
29
$380
30
$373
31
$373
1
$373
2
$373
3
$453
4
$438
Limited Availability
15% of dates checked are available within 10% of the lowest price
Thursday, December 11th, 2025
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