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London to Bilbao flights in December 2026 from $43 LCY, LGW, LHR, LTN, SEN, STN → BIO

London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Bilbao Airport (BIO)

For departures in December 2026, the cheapest return found recently is $119 with Wizz Air UK, 4 Dec – 5 Dec, found 2 days ago. The cheapest one-way found recently is $43 with Vueling, 3 Dec, found yesterday.

Return

We hold return fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest return found recently

$119

4 Dec – 5 Dec · Wizz Air UK

London Luton Airport (LTN) → Bilbao Airport (BIO)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
4 Dec – 5 Dec$119Wizz Air UKout nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Dec – 11 Dec$136Wizz Air UKout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

2 departure dates

4 Dec – 5 Dec: $119, found 2 days ago9 Dec – 11 Dec: $136, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 5 Dec$119Wizz Air UKLondon Luton Airport (LTN) → Bilbao Airport (BIO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Dec – 11 Dec$136Wizz Air UKLondon Luton Airport (LTN) → Bilbao Airport (BIO)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $61.

November 2026From $61Cheapest seen4 departure dates17 Nov – 18 Nov · found 4 days agoSee prices for these dates
December 2026From $1192 departure dates4 Dec – 5 Dec · found 2 days agoSee prices for these dates
March 2027From $1221 departure date21 Mar 2027 – 27 Mar 2027 · found 8 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $38 to $54. Across all 10 departure dates we hold on this route, it is usually $41 to $58.

Cheapest one-way found recently

$43

3 Dec · Vueling

London Heathrow Airport (LHR) → Bilbao Airport (BIO)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$33

1 Dec · Vueling

London Heathrow Airport (LHR) → Bilbao Airport (BIO)

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
1 Dec$33Vuelingnonstopfound 5 days agoOpen this trip
25 Dec$34Wizz Air UKnonstopfound 4 days agoOpen this trip
2 Dec$42Vuelingnonstopfound 2 days agoOpen this trip
3 Dec$43Vuelingnonstopfound yesterdayOpen this trip
4 Dec$49Vuelingnonstopfound 4 days agoOpen this trip

Every date we hold

7 departure dates

1 Dec: $33, found 5 days ago2 Dec: $42, found 2 days ago3 Dec: $43, found yesterday4 Dec: $49, found 4 days ago15 Dec: $63, found 4 days ago16 Dec: $59, found 4 days ago25 Dec: $34, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$33VuelingLondon Heathrow Airport (LHR) → Bilbao Airport (BIO)nonstopfound 5 days agoOpen this trip
2 Dec$42VuelingLondon Heathrow Airport (LHR) → Bilbao Airport (BIO)nonstopfound 2 days agoOpen this trip
3 Dec$43VuelingLondon Heathrow Airport (LHR) → Bilbao Airport (BIO)nonstopfound yesterdayOpen this trip
4 Dec$49VuelingLondon Heathrow Airport (LHR) → Bilbao Airport (BIO)nonstopfound 4 days agoOpen this trip
15 Dec$63VuelingLondon Heathrow Airport (LHR) → Bilbao Airport (BIO)nonstopfound 4 days agoOpen this trip
16 Dec$59VuelingLondon Heathrow Airport (LHR) → Bilbao Airport (BIO)nonstopfound 4 days agoOpen this trip
25 Dec$34Wizz Air UKLondon Luton Airport (LTN) → Bilbao Airport (BIO)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $33.

November 2026From $542 departure dates21 Nov · found 2 days agoOpen this trip
December 2026From $33Cheapest seen7 departure dates1 Dec · found 5 days agoOpen this trip
January 2027From $401 departure date14 Jan 2027 · found 2 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work