Flights from London Heathrow to Bilbao

Our cheapest offers for flights from London Heathrow to Bilbao

Here you can compare cheap flights from London Heathrow (LHR) to Bilbao (BIO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Bilbao. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Bilbao
Outbound
08/12/25
1 Stopover (MAD)
IB0714, IB0433
25h 05min
Return
24/12/25
direct
VY6310
01h 55min
Iberia
£130
Best option
London Heathrow
Bilbao
Outbound
08/12/25
direct
VY6311
02h 05min
Return
24/12/25
direct
VY6310
01h 55min
Vueling Airlines
£276
London Heathrow
Bilbao
Outbound
08/12/25
1 Stopover (MAD)
IB0714, IB0433
25h 05min
Return
24/12/25
direct
VY6310
01h 55min
Iberia
£151
London Heathrow
Bilbao
Outbound
10/12/25
1 Stopover (BRU)
SN2104, SN3713
05h 00min
Return
24/12/25
1 Stopover (BRU)
SN3714, SN2103
08h 40min
Brussels Airlines ?
£165
London Heathrow
Bilbao
Outbound
08/12/25
1 Stopover (MAD)
IB3645, IB0433
27h 25min
Return
24/12/25
direct
IB5499
01h 55min
Iberia ?
£168
London Heathrow
Bilbao
Outbound
17/09/25
1 Stopover (LIS)
TP1369, TP1062
14h 40min
Return
24/09/25
1 Stopover (LIS)
TP1063, TP1366
11h 30min
TAP Air Portugal
£199
London Heathrow
Bilbao
Outbound
08/12/25
1 Stopover (LIS)
TP1359, TP1064
27h 15min
Return
24/12/25
1 Stopover (LIS)
TP1063, TP1366
11h 30min
TAP Air Portugal
£210
London Heathrow
Bilbao
Outbound
18/09/25
1 Stopover (BRU)
SN2106, SN3711
07h 20min
Return
23/09/25
1 Stopover (BRU)
SN3712, SN2105
05h 00min
Brussels Airlines ?
£224
London Heathrow
Bilbao
Outbound
18/09/25
1 Stopover (BRU)
SN2094, SN3711
04h 00min
Return
23/09/25
1 Stopover (BRU)
SN3712, SN2103
05h 40min
Brussels Airlines ?
£229
London Heathrow
Bilbao
Outbound
18/09/25
1 Stopover (BRU)
SN2106, SN3711
07h 20min
Return
23/09/25
1 Stopover (BRU)
SN3712, SN2105
05h 00min
Brussels Airlines ?
£230
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Bilbao

Favourite airline: TAP Portugal
94 % of travellers choose to book flights on this route with TAP Portugal, KLM and Brussels Airlines.
TAP Portugal
67 %
KLM
20 %
Brussels Airlines
7 %
Favourite connection: via Lisbon
Flights with a stopover in Lisbon are the most popular connection for this route.
Route
bookings
1 stopover Lisbon
21h 10min, from £160
71 %
1 stopover Amsterdam Schiphol
20h 40min, from £218
21 %
1 stopover Brussels
05h 00min, from £285
7 %

Important flight information

Flight information: London Heathrow - Bilbao

Outbound and return from £129.20
Flight duration min. 01:55
Return flight duration min. 02:00
Distance 929 km
Flights per week 8
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Bilbao (BIO)
Destination country Flights to Spain
Alternative routes to Spain
Alternative flights to Bilbao
Flight destinations with a similar price