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Cheap flights from Bucharest to London Heathrow Airport from £42

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 27/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — LHR
30 Mar — 6 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bucharest to London Heathrow are usually found in January or March, booked 49 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap 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 28 February 2026.

Sat 25/420:00
OTP
-
LHR
Nonstop3h 20m
British Airways
Mon 27/408:45
LHR
-
OTP
Nonstop3h 20m
British Airways
Deal found 26/2£102
Thu 19/308:00
OTP
-
LHR
Nonstop3h 50m
British Airways
Sat 21/318:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 25/2£105
Sat 14/308:05
OTP
-
LHR
Nonstop3h 55m
British Airways
Sat 21/318:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 25/2£106
Fri 13/320:20
OTP
-
LHR
Nonstop3h 30m
British Airways
Sat 21/318:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 27/2£108
Fri 6/320:20
OTP
-
LHR
Nonstop3h 30m
British Airways
Sat 14/318:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 24/2£108
Thu 5/308:00
OTP
-
LHR
Nonstop3h 50m
British Airways
Wed 11/317:40
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 25/2£111
Fri 20/320:20
OTP
-
LHR
Nonstop3h 30m
British Airways
Tue 24/317:45
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 24/2£112
Tue 17/308:00
OTP
-
LHR
Nonstop3h 50m
British Airways
Sat 21/318:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 24/2£114
Fri 13/320:20
OTP
-
LHR
Nonstop3h 30m
British Airways
Tue 17/317:45
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 25/2£114
Thu 5/316:35
OTP
-
LHR
Nonstop3h 30m
British Airways
Sat 14/318:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 25/2£115

Find 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 28 February 2026.

Round-trip from

£102

One-way from

£42

Popular in

July

Cheapest in

January

Average price

£142

Good round-trip deal

£128 or less

Good one-way deal

£91 or less
British Airways
  • British Airways
  • 25/4-27/4
  • Nonstop
  • 6h 40m total
  • Bucharest to London
Search Deals
British Airways
  • British Airways
  • 27/3
  • Nonstop
  • 3h 30m total
  • Bucharest to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% 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 Bucharest (BUH) to London Heathrow.
Search Deals
Price to beat on a one-way flight from Bucharest (BUH) to London Heathrow.
Search Deals

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 28 February 2026.
Use the filters below to find and compare flights from Bucharest to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 13/3

20:20-21:50

Nonstop3h 30m

London Heathrow

Sat 21/3

18:10-23:25

Nonstop3h 15m

£107

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 16/3

16:00-17:40

Nonstop3h 40m

London Heathrow

Fri 20/3

14:15-19:30

Nonstop3h 15m

£130

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 3/6

16:15-17:40

Nonstop3h 25m

London Heathrow

Mon 8/6

19:35-00:50

Nonstop3h 15m

£136

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 5/5

16:05-12:30

1 stop22h 25m

London Heathrow

Sun 10/5

19:25-03:05

1 stop5h 40m

£148

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 2/6

08:15-10:00

Nonstop3h 45m

London Heathrow

Fri 5/6

20:05-01:20

Nonstop3h 15m

£162

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 12/3

19:20-22:55

1 stop5h 35m

London Heathrow

Sun 15/3

08:45-18:35

1 stop7h 50m

£166

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 28/3

08:05-10:00

Nonstop3h 55m

London Heathrow

Sun 5/4

19:05-00:20

Nonstop3h 15m

£185

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 18/6

19:20-22:40

1 stop5h 20m

London Heathrow

Tue 23/6

16:25-01:10

1 stop6h 45m

£186

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sun 28/6

04:30-18:40

1 stop16h 10m

London Heathrow

Sun 5/7

19:25-03:05

1 stop5h 40m

£197

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 4/5

06:20-21:30

2 stops17h 10m

London Heathrow

Sat 9/5

20:05-01:05

1 stop27h 00m

£203

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 27 February 2026.

Booking 49 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 £82). Flying from Bucharest to London Heathrow Airport in August is currently the most expensive (average of £153). 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 28 February 2026.

When flying from Bucharest 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 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.

Vienna (VIE) – chosen by Cheapflights users on 67% 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 45m.

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 43m.

How often are flights from Bucharest to London delayed?

About 15% of weekly flights between Bucharest and London have experienced delays in the past year, with the average delay time being 111 minutes.

What is the most punctual flight time for Bucharest to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bucharest to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 15% of flights being delayed.

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 28 February 2026.
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
7,772 reviews
Check prices

Crew

7.6

Food

6.4

Boarding

6.9

Overall

6.7

Entertainment

6.4

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,772 reviews
British Airways
6.7
Okay
7,772 reviews
Check prices

Crew

7.6

Food

6.4

Boarding

6.9

Overall

6.7

Entertainment

6.4

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

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. Both multi-stop and direct flights can be found to your destination and back.

  • 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 43% below the average price you’ll pay for this route.

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

    Consider American Airlines (82%), Japan Airlines (82%) or British Airways (78%) 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 £335, our data indicates the cheapest price to be £41. The most popular route (Bucharest Otopeni Intl - London Heathrow), is priced around £102.

  • 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 £82). Flying from Bucharest to London Heathrow Airport in August is currently the most expensive (average of £153). 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
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£98Average£195FlexibilityNo 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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