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
$919 USD
-71%
$264
USD
Verified Nov 4, 2025 at 2:18 PM
December 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
$364
2
$312
3
$364
4
$414
5
$414
6
$307
7
$364
8
$297
9
$364
10
$364
11
$361
12
$414
13
$414
14
$424
15
$424
16
$586
17
$843
18
$1,069
19
$1,069
20
$1,069
21
$797
22
$884
23
$512
24
$943
25
$586
26
$733
27
$586
28
$465
29
$389
30
$327
31
$520
1
2
3
4
Rare Availability
5% of dates checked are available within 10% of the lowest price
Saturday, December 27th, 2025
Outbound Flights
·
→
·
→
·
→
Google Flights
