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Cheap flights from Bucharest to London Heathrow Airport from £39

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — LHR
2 Nov — 9 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Bucharest to London Heathrow are usually found in February or November, booked 62 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Bucharest to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) 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 3 October 2025.

Round-trip from

£86

One-way from

£39

Popular in

July

Cheapest in

February

Average price

£174

Good round-trip deal

£98 or less

Good one-way deal

£114 or less
British Airways
  • British Airways
  • 14/11-21/11
  • Nonstop
  • 6h 45m total
  • Bucharest to London
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British Airways
  • British Airways
  • 25/11
  • Nonstop
  • 3h 50m total
  • Bucharest to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£32 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Bucharest (BUH) to London Heathrow.
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Price to beat on a one-way flight from Bucharest (BUH) to London Heathrow.
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Find flight deals from Bucharest to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Bucharest to Heathrow
Explore the most affordable flight options available from Bucharest to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2025.

Fri 7/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Thu 13/1118:15LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 2/10£89
Fri 7/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Mon 10/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 1/10£91
Tue 18/1116:40OTP - LHR
Nonstop3h 30mBritish Airways
Fri 21/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 1/10£91
Fri 21/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Tue 25/1110:15LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 2/10£93
Wed 26/1115:50OTP - LHR
Nonstop3h 40mBritish Airways
Thu 27/1118:15LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 1/10£94
Fri 14/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Sun 16/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 2/10£96
Thu 13/1116:35OTP - LHR
Nonstop3h 30mBritish Airways
Sat 22/1118:10LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 2/10£97
Mon 1/1220:25OTP - LHR
Nonstop3h 30mBritish Airways
Fri 5/1218:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 1/10£98
Thu 13/1116:35OTP - LHR
Nonstop3h 30mBritish Airways
Mon 17/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 2/10£100
Sat 22/1108:05OTP - LHR
Nonstop3h 55mBritish Airways
Mon 24/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 1/10£102
Thu 13/1116:35OTP - LHR
Nonstop3h 30mBritish Airways
Sun 16/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 2/10£103

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bucharest 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 3 October 2025.
Use the filters below to find and compare flights from Bucharest to London Heathrow Airport that are best for you.

Fly from

Bucharest

Fly to

Heathrow

Route

Depart

Return

Price

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 5/2

16:35-18:05

Nonstop3h 30m

London Heathrow

Sat 14/2

18:10-23:25

Nonstop3h 15m

£89

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 19/2

21:00-22:30

Nonstop3h 30m

London Heathrow

Mon 23/2

18:30-23:45

Nonstop3h 15m

£89

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 21/11

20:20-21:50

Nonstop3h 30m

London Heathrow

Sun 23/11

09:50-15:05

Nonstop3h 15m

£89

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 13/11

16:35-18:05

Nonstop3h 30m

London Heathrow

Mon 17/11

18:30-23:45

Nonstop3h 15m

£97

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 17/11

08:05-10:00

Nonstop3h 55m

London Heathrow

Mon 24/11

18:30-23:45

Nonstop3h 15m

£111

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 3/3

08:00-09:50

Nonstop3h 50m

London Heathrow

Sat 7/3

18:10-23:25

Nonstop3h 15m

£113

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 17/12

08:05-09:55

Nonstop3h 50m

London Heathrow

Sat 3/1

09:55-15:10

Nonstop3h 15m

£118

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 4/12

21:00-22:30

Nonstop3h 30m

London Heathrow

Mon 8/12

18:30-23:45

Nonstop3h 15m

£130

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 16/10

21:15-22:40

Nonstop3h 25m

London Heathrow

Wed 22/10

20:05-01:25

Nonstop3h 20m

£134

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sun 9/11

19:20-22:55

1 stop5h 35m

London Heathrow

Thu 13/11

16:40-01:05

1 stop6h 25m

£163

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Bucharest to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bucharest 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 Bucharest to London Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Bucharest to Heathrow. Price data was last updated on 26 September 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest 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 Bucharest to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Bucharest to London Heathrow Airport (average of £112). Flying from Bucharest to London Heathrow Airport in August is currently the most expensive (average of £164). 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 BUH to LHR?

Find hourly flight availability from Bucharest 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 3 October 2025.

One of the essential ways to save on airfare from Bucharest to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 21% on airfare.

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

What’s the top stopover airport for flights from Bucharest to London Heathrow Airport?

Share of one-stop return flights from Bucharest to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Warsaw (WAW) – chosen by Cheapflights users on 55% of one-stop itineraries from Bucharest to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Bucharest to London Heathrow Airport?

Average return fare for one-stop flights from Bucharest to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Belgrade (BEG) is the most affordable one-stop option, with an average return flight price of £138.

What’s the fastest stopover option from Bucharest to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Bucharest to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Vienna (VIE) have the shortest average one-way travel time for one-stop routes: 4h 40m.

Which airport typically offers the quickest stopover for flights from Bucharest to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from Bucharest to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Vienna (VIE) offer the fastest connection on this route, with an average stopover time of 0h 30m.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 3 October 2025.
Read through reviews of airlines operating flights from Bucharest to London Heathrow Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,416 reviews
Check prices

Crew

7.6

Boarding

6.9

Food

6.3

Entertainment

6.4

Overall

6.7

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,416 reviews
British Airways
6.7
Okay
7,416 reviews
Check prices

Crew

7.6

Boarding

6.9

Food

6.3

Entertainment

6.4

Overall

6.7

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

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

    Departing from Bucharest to London Heathrow Airport will take you 3h 30m. The distance from Bucharest to London Heathrow Airport is about 1307 mi. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Bucharest to London Heathrow Airport round-trip?

    Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £98. British Airways is currently priced 44% below the average price you’ll pay for this route.

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

    Consider Royal Air Maroc (85%), American Airlines (68%) or British Airways (58%) when booking your flight. These represent the most reliable airlines when flying from Bucharest to London Heathrow Airport.

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

    Looking for the cheapest flight from Bucharest to London Heathrow Airport? While on average our users pay £255, our data indicates the cheapest price to be £40. The most popular route (Bucharest Otopeni Intl - London Heathrow), is priced around £89.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bucharest 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 Bucharest to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Bucharest to London Heathrow Airport (average of £112). Flying from Bucharest to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Swindon
Winchester
Chichester
Ipswich
Dartford
Brentford
Bishop's Stortford

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Alternative routes for Bucharest to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Bucharest to Heathrow

Discover the top airline that operate flights from Bucharest to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£98Average£177FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bucharest to Heathrow?

Cheapflights helps you search for flights from Bucharest to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Heathrow from Bucharest by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Bucharest to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Bucharest to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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