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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
$845 USD
-62%
$323
USD
Verified Nov 29, 2025 at 1:18 PM
December 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
$402
2
$398
3
$398
4
$448
5
$448
6
$388
7
$342
8
$338
9
$368
10
$364
11
$422
12
$532
13
$414
14
$424
15
$424
16
$476
17
$933
18
$1,043
19
$2,992
20
$2,970
21
$1,073
22
$991
23
$2,848
24
$994
25
$612
26
$1,139
27
$618
28
$565
29
$568
30
$520
31
$520
1
$524
2
$528
3
$527
4
$523
Limited Availability
17% of dates checked are available within 10% of the lowest price
Saturday, December 20th, 2025
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