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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
$486 USD
-39%
$295
USD
Verified Nov 28, 2025 at 10:50 PM
January 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
29
$575
30
$462
31
$519
1
$500
2
$529
3
$529
4
$519
5
$575
6
$556
7
$556
8
$367
9
$529
10
$335
11
$295
12
$330
13
$344
14
$373
15
$295
16
$389
17
$311
18
$295
19
$295
20
$344
21
$339
22
$311
23
$389
24
$329
25
$306
26
$339
27
$295
28
$339
29
$295
30
$389
31
$346
1
Limited Availability
15% of dates checked are available within 10% of the lowest price
Sunday, January 18th, 2026
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