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AA
American Airlines
AY
Finnair
BA
British Airways
IB
Iberia Airlines
One Way
•
Economy
BOS
Logan International Airport
Boston, United States
OPO
Francisco Sá Carneiro Airport
Porto, Portugal
$418 USD
-31%
$290
USD
Verified Sep 21, 2025 at 4:44 PM
October 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
29
$381
30
$394
1
$433
2
$454
3
$467
4
$488
5
$359
6
$359
7
$383
8
$457
9
$713
10
$713
11
$488
12
$418
13
$367
14
$367
15
$367
16
$423
17
$417
18
$418
19
$364
20
$315
21
$368
22
$348
23
$392
24
$299
25
$418
26
$368
27
$315
28
$315
29
$373
30
$364
31
$447
1
2
Limited Availability
19% of dates checked are available within 10% of the lowest price
Wednesday, October 29th, 2025
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