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Cheap flights from Bilbao to London Heathrow Airport from £18

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — LHR
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bilbao to London Heathrow are usually found in March or February, booked 86 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Bilbao to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Bilbao to Heathrow
Explore the most affordable flight options available from Bilbao to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Tue 3/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Wed 4/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 13/2£48
Wed 4/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Wed 11/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 12/2£48
Wed 15/413:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Sat 18/415:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 12/2£49
Thu 5/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Tue 10/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 12/2£52
Sat 7/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Wed 11/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 10/2£59
Thu 26/213:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Tue 3/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 13/2£60
Wed 4/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Sat 7/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 11/2£61
Wed 4/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Tue 10/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 10/2£63
Sat 7/313:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Tue 10/315:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 13/2£64

Find flight deals from Bilbao to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 February 2026.

Round-trip from

£48

One-way from

£18

Popular in

July

Cheapest in

March

Average price

£74

Good round-trip deal

£81 or less

Good one-way deal

£36 or less
Vueling
  • Vueling
  • 3/3-4/3
  • Nonstop
  • 4h 00m total
  • Bilbao to London
Search Deals
Vueling
  • Vueling
  • 3/3
  • Nonstop
  • 1h 55m total
  • Bilbao to London
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Bilbao to London Heathrow.
Search Deals
Price to beat on a one-way flight from Bilbao to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bilbao to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Bilbao to London Heathrow Airport that are best for you.

Fly from

Bilbao

Fly to

Heathrow

Route

Depart

Return

Price

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Wed 25/2

13:50-14:45

Nonstop1h 55m

London Heathrow

Thu 26/2

15:30-18:35

Nonstop2h 05m

£84

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Fri 13/3

18:50-22:55

1 stop5h 05m

London Heathrow

Mon 16/3

07:40-18:05

1 stop9h 25m

£130

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Wed 12/8

13:50-14:45

Nonstop1h 55m

London Heathrow

Wed 19/8

15:30-18:35

Nonstop2h 05m

£131

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Wed 4/3

11:35-21:00

1 stop10h 25m

London Heathrow

Wed 11/3

20:15-10:50

1 stop13h 35m

£133

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Tue 12/5

13:45-14:45

Nonstop2h 00m

London Heathrow

Thu 14/5

15:00-08:10

1 stop16h 10m

£135

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Sat 11/4

13:50-14:45

Nonstop1h 55m

London Heathrow

Mon 13/4

15:30-18:35

Nonstop2h 05m

£135

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Mon 16/3

18:50-22:55

1 stop5h 05m

London Heathrow

Fri 20/3

07:40-18:05

1 stop9h 25m

£145

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Wed 12/8

13:50-14:45

Nonstop1h 55m

London Heathrow

Fri 14/8

15:30-18:35

Nonstop2h 05m

£149

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Sat 25/4

17:50-22:10

1 stop5h 20m

London Heathrow

Tue 28/4

15:30-22:25

1 stop5h 55m

£154

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Sun 15/3

07:25-13:00

1 stop6h 35m

London Heathrow

Fri 20/3

15:30-22:50

1 stop6h 20m

£160

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 23 results
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Best time to book a flight from Bilbao to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bilbao with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bilbao to London Heathrow Airport

How far ahead should I book a flight from Bilbao to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Bilbao to Heathrow. Price data was last updated on 6 February 2026.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bilbao to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Bilbao to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Bilbao to London Heathrow Airport (average of £47). Flying from Bilbao to London Heathrow Airport in August is currently the most expensive (average of £92). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BIO to LHR?

Find hourly flight availability from Bilbao to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 February 2026.

When flying from Bilbao to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Bilbao to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Bilbao to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bilbao to London Heathrow?

    Most people fly from Bilbao (BIO) if they book a flight from Bilbao to London Heathrow. On average, Bilbao has 3 outbound flights to London Heathrow per day from 0 airlines. Bilbao is conveniently located just 3.0 mi from Bilbao’s city center.

  • How long is the flight from Bilbao to London Heathrow Airport?

    Departing from Bilbao to London Heathrow Airport will take you 1h 55m. Bilbao and London Heathrow Airport are separated by a distance of 576 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Bilbao to London Heathrow Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bilbao to London Heathrow Airport on time: Vueling (85%), Iberia (85%), British Airways (85%).

  • What are the cheapest flights from Bilbao to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £17. While the most popular route (Bilbao - London Heathrow) can be booked for £48 on average, our data indicates £75 when flying from Bilbao to London Heathrow Airport.

  • Can I find deals for flights from Bilbao to Heathrow that include hotel bookings?

    Yes. In addition to deals on Bilbao to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bilbao to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bilbao to Heathrow.

  • Can I find deals for business class flights from Bilbao to Heathrow?

    Yes. Cheapflights offers flight deals from Bilbao to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bilbao to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Bilbao to London Heathrow Airport (average of £47). Flying from Bilbao to London Heathrow Airport in August is currently the most expensive (average of £92). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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When you search for this flight from Bilbao to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Bilbao to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Bilbao.

Can Cheapflights find flights from Bilbao to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bilbao to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Bilbao to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Bilbao today and book when prices fit your budget.

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