Home
Premium Fare Deals
About
Pricing
USD
US Dollar
Sign In
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
October 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
29
$757
30
$657
1
$525
2
$575
3
$657
4
$825
5
$823
6
$794
7
$807
8
$634
9
$634
10
$657
11
$825
12
$823
13
$601
14
$612
15
$540
16
$563
17
$689
18
$879
19
$636
20
$636
21
$298
22
$309
23
$298
24
$582
25
$588
26
$636
27
$588
28
$588
29
$588
30
$588
31
$588
1
2
Limited Availability
16% of dates checked are available within 10% of the lowest price
Tuesday, October 28th, 2025
Outbound Flights
·
→
·
→
·
→
Google Flights
