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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
April 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
30
$412
31
$412
1
$412
2
$528
3
$491
4
$655
5
$617
6
$409
7
$380
8
$410
9
$424
10
$528
11
$528
12
$468
13
$401
14
$358
15
$380
16
$462
17
$462
18
$462
19
$402
20
$366
21
$358
22
$402
23
$458
24
$453
25
$458
26
$394
27
$380
28
$366
29
$424
30
$445
1
2
3
Limited Availability
17% of dates checked are available within 10% of the lowest price
Thursday, April 2nd, 2026
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