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AA
American Airlines
AY
Finnair
BA
British Airways
IB
Iberia Airlines
One Way
•
Economy
BIO
Bilbao Airport
Bilbao, Spain
BOS
Logan International Airport
Boston, United States
$451 USD
-36%
$287
USD
Verified Nov 3, 2025 at 7:26 PM
December 2025
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
$556
2
$541
3
$335
4
$351
5
$433
6
$404
7
$316
8
$346
9
$625
10
$300
11
$306
12
$316
13
$311
14
$335
15
$300
16
$300
17
$300
18
$300
19
$542
20
$513
21
$508
22
$508
23
$451
24
$300
25
$306
26
$321
27
$334
28
$368
29
$434
30
$569
31
$677
1
2
3
4
Fair Availability
22% of dates checked are available within 10% of the lowest price
Saturday, December 13th, 2025
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