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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
BIO
Bilbao Airport
Bilbao, Spain
$452 USD
-42%
$260
USD
Verified Nov 3, 2025 at 7:25 PM
November 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
28
29
30
31
1
2
3
$641
4
$586
5
$831
6
$468
7
$724
8
$442
9
$408
10
$353
11
$404
12
$981
13
$406
14
$780
15
$449
16
$693
17
$324
18
$369
19
$693
20
$695
21
$699
22
$493
23
$693
24
$374
25
$548
26
$524
27
$353
28
$419
29
$419
30
$320
Limited Availability
14% of dates checked are available within 10% of the lowest price
Thursday, November 6th, 2025
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