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AF
Air France
DL
Delta Air Lines
KL
KLM
One Way
•
Economy
PDX
Portland International Airport
Portland, United States
BIO
Bilbao Airport
Bilbao, Spain
$695 USD
-39%
$425
USD
Verified Apr 8, 2026 at 9:55 AM
April 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
30
31
1
2
3
4
5
6
7
8
$724
9
$774
10
$774
11
$774
12
$724
13
$724
14
$724
15
$724
16
$774
17
$775
18
$774
19
$724
20
$724
21
$724
22
$705
23
$774
24
$775
25
$774
26
$724
27
$705
28
$724
29
$724
30
$774
1
$775
2
$774
3
$724
Fair Availability
20% of dates checked are available within 10% of the lowest price
Thursday, April 23rd, 2026
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