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AA
American Airlines
AY
Finnair
BA
British Airways
IB
Iberia Airlines
One Way
•
Economy
OPO
Francisco Sá Carneiro Airport
Porto, Portugal
BOS
Logan International Airport
Boston, United States
$427 USD
-39%
$260
USD
Verified Sep 21, 2025 at 4:44 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
21
$2,663
22
$885
23
$823
24
$612
25
$657
26
$682
27
$831
28
$825
29
$757
30
$657
1
$525
2
$575
3
$657
4
$825
5
$823
Limited Availability
16% of dates checked are available within 10% of the lowest price
Monday, September 29th, 2025
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