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
BOS
Logan International Airport
Boston, United States
OPO
Francisco Sá Carneiro Airport
Porto, Portugal
$845 USD
-62%
$323
USD
Verified Nov 29, 2025 at 1:18 PM
March 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
$334
24
$334
25
$334
26
$375
27
$392
28
$384
1
$334
2
$334
3
$323
4
$334
5
$388
6
$414
7
$384
8
$334
9
$334
10
$323
11
$334
12
$414
13
$532
14
$384
15
$334
16
$334
17
$323
18
$334
19
$418
20
$414
21
$384
22
$334
23
$345
24
$323
25
$428
26
$432
27
$673
28
$398
29
$412
30
$412
31
$412
1
2
3
4
5
Limited Availability
17% of dates checked are available within 10% of the lowest price
Tuesday, March 3rd, 2026
Outbound Flights
·
→
·
→
·
→
Google Flights
