Summer flights from Boston to Bilbao, Spain for only $372 roundtrip with Iberia.
The example dates listed below range between $372 and $397 roundtrip.
DEPART:
Boston, USA
ARRIVE:
Bilbao, Spain
RETURN:
Boston, USA
DATES:
Availability from February 2026 to January 2027 (excluding Christmas/New Year)
24th Feb – 3rd Mar
25th Feb – 4th Mar
2nd-9th Mar
3rd-10th Mar
24th-31st Mar
8th-15th Apr
14th-21st Apr
29th Apr – 6th May
6th-13th May
18th-25th Aug
15th-22nd Sep
21st-28th Sep
22nd-29th Sep
23rd-30th Sep
28th Sep – 5th Oct
29th Sep – 6th Oct
30th Sep – 7th Oct
6th-13th Oct
7th-14th Oct
12th-19th Oct
13th-20th Oct
14th-21st Oct
20th-27th Oct
21st-28th Oct
3rd-10th Nov
4th-11th Nov
9th-16th Nov
10th-17th Nov
11th-18th Nov
17th-24th Nov
18th-25th Nov
1st-8th Dec
2nd-9th Dec
9th-16th Dec
6th-13th Jan
and more…
STOPS:
Madrid
AIRLINES:
Iberia