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AC
Air Canada
LH
Lufthansa
LX
Swiss International Air Lines
OS
Austrian Airlines
UA
United Airlines
One Way
•
Economy
MIA
Miami International Airport
Miami, United States
OPO
Francisco Sá Carneiro Airport
Porto, Portugal
$500 USD
-26%
$371
USD
Verified Nov 29, 2025 at 5:45 AM
March 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
24
25
26
27
28
1
$379
2
$379
3
$379
4
$379
5
$396
6
$515
7
$396
8
$383
9
$379
10
$379
11
$379
12
$396
13
$396
14
$396
15
$379
16
$379
17
$379
18
$379
19
$375
20
$396
21
$396
22
$393
23
$379
24
$379
25
$429
26
$401
27
$401
28
$408
29
$444
30
$432
31
$429
1
$429
2
$446
3
$427
4
$548
5
$583
Fair Availability
27% of dates checked are available within 10% of the lowest price
Thursday, March 19th, 2026
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