Cheap flights from Bucharest to London from £50

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1 adult, Economy, 0 bags

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Cheap return flights

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British Airways Logo
16:45 - 18:15OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 30mdirect
British Airways Logo
19:15 - 00:30LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£102British Airways
Fri, 4 Dec - Fri, 25 Dec
British Airways Logo
08:20 - 10:05OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 45mdirect
British Airways Logo
18:50 - 00:05LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£104British Airways
Tue, 24 Nov - Tue, 8 Dec
British Airways Logo
16:00 - 17:30OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 30mdirect
British Airways Logo
18:50 - 00:05LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£105British Airways
Wed, 27 Jan - Sat, 30 Jan
British Airways Logo
16:00 - 17:30OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 30mdirect
British Airways Logo
18:50 - 00:05LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£105British Airways
Wed, 20 Jan - Sat, 23 Jan
British Airways Logo
16:45 - 18:15OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 30mdirect
British Airways Logo
18:50 - 00:05LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£106British Airways
Fri, 29 Jan - Sun, 31 Jan
British Airways Logo
08:15 - 10:00OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 45mdirect
British Airways Logo
10:10 - 15:25LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£106British Airways
Thu, 21 Jan - Sun, 24 Jan
British Airways Logo
08:15 - 10:00OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 45mdirect
British Airways Logo
10:10 - 15:25LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£107British Airways
Thu, 21 Jan - Sun, 24 Jan
British Airways Logo
16:25 - 17:55OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 30mdirect
British Airways Logo
18:50 - 00:05LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£107British Airways
Tue, 24 Nov - Wed, 25 Nov
Multiple Airlines Logo
16:05 - 12:20OTP  Bucharest Otopeni Intl-LHR London Heathrow
22h 15m1 stop Belgrade Nikola Tesla
Multiple Airlines Logo
18:50 - 00:05LHR  London Heathrow-OTP Bucharest Otopeni Intl
3h 15mdirect
£140Multiple Airlines
Mon, 21 Dec - Wed, 30 Dec
Multiple Airlines Logo
16:45 - 18:15OTP  Bucharest Otopeni Intl-LHR London Heathrow
3h 30mdirect
Multiple Airlines Logo
15:45 - 00:30LHR  London Heathrow-OTP Bucharest Otopeni Intl
6h 45m1 stop Amsterdam Schiphol
£141Multiple Airlines
Fri, 25 Dec - Thu, 31 Dec

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Air Serbia flights from Bucharest to London Heathrow Airport

Our best Air Serbia deals on Bucharest to London Heathrow Airport flight tickets
Air Serbia
25 Dec
OTP15:50Bucharest Otopeni Intl
22h 30m
1 stop
LHR12:20London Heathrow
31 Dec
LHR13:20London Heathrow
24h 00m
1 stop
OTP15:20Bucharest Otopeni Intl
£142
Air Serbia
20 Dec
OTP04:30Bucharest Otopeni Intl
9h 50m
1 stop
LHR12:20London Heathrow
30 Dec
LHR13:20London Heathrow
24h 00m
1 stop
OTP15:20Bucharest Otopeni Intl
£143
Air Serbia
24 Dec
OTP04:30Bucharest Otopeni Intl
9h 50m
1 stop
LHR12:20London Heathrow
8 Jan
LHR13:20London Heathrow
24h 15m
1 stop
OTP15:35Bucharest Otopeni Intl
£145

British Airways flights from Bucharest to London Heathrow Airport

Our best British Airways deals on Bucharest to London Heathrow Airport flight tickets
British Airways
4 Dec
OTP16:45Bucharest Otopeni Intl
3h 30m
LHR18:15London Heathrow
25 Dec
LHR19:15London Heathrow
3h 15m
OTP00:30Bucharest Otopeni Intl
£102
British Airways
24 Nov
OTP08:20Bucharest Otopeni Intl
3h 45m
LHR10:05London Heathrow
8 Dec
LHR18:50London Heathrow
3h 15m
OTP00:05Bucharest Otopeni Intl
£104
British Airways
20 Jan
OTP16:00Bucharest Otopeni Intl
3h 30m
LHR17:30London Heathrow
23 Jan
LHR18:50London Heathrow
3h 15m
OTP00:05Bucharest Otopeni Intl
£105

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Fri 4/12

16:45-18:15

Nonstop3h 30m

London Heathrow

Fri 25/12

19:15-00:30

Nonstop3h 15m

£102

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Tue 24/11

08:20-10:05

Nonstop3h 45m

London Heathrow

Tue 8/12

18:50-00:05

Nonstop3h 15m

£104

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Wed 27/1

16:00-17:30

Nonstop3h 30m

London Heathrow

Sat 30/1

18:50-00:05

Nonstop3h 15m

£105

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Wed 20/1

16:00-17:30

Nonstop3h 30m

London Heathrow

Sat 23/1

18:50-00:05

Nonstop3h 15m

£105

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Fri 29/1

16:45-18:15

Nonstop3h 30m

London Heathrow

Sun 31/1

18:50-00:05

Nonstop3h 15m

£106

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Thu 21/1

08:15-10:00

Nonstop3h 45m

London Heathrow

Sun 24/1

10:10-15:25

Nonstop3h 15m

£106

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Thu 21/1

08:15-10:00

Nonstop3h 45m

London Heathrow

Sun 24/1

10:10-15:25

Nonstop3h 15m

£107

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Tue 24/11

16:25-17:55

Nonstop3h 30m

London Heathrow

Wed 25/11

18:50-00:05

Nonstop3h 15m

£107

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Mon 21/12

16:05-12:20

1 stop22h 15m

London Heathrow

Wed 30/12

18:50-00:05

Nonstop3h 15m

£140

BucharestLondon

OTP Bucharest Otopeni Intl - LHR London Heathrow

OTPLHR

Bucharest Otopeni Intl

Fri 25/12

16:45-18:15

Nonstop3h 30m

London Heathrow

Thu 31/12

15:45-00:30

1 stop6h 45m

£141

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Bucharest to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Bucharest and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from £110 to £175.
The lowest price recently found on this route was £102.

What is the cheapest month to fly to London Heathrow Airport?

In general, March is the cheapest month to fly from Bucharest to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £112. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Bucharest averaging around £122.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Bucharest is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £185. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £368.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Bucharest to London Heathrow Airport in the evening for as low as £128. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £324 on average. Flights to London Heathrow Airport from Bucharest in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Bucharest to London Heathrow flight route?

Fly from Bucharest Otopeni Intl to London Heathrow for the best Bucharest - London Heathrow flight prices

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

You are more likely to see cheaper flights to London Heathrow Airport from Bucharest when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £184 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Bucharest for as low as £132 on momondo.

What cabin class options are available on Bucharest to London Heathrow Airport flights?

There are 2 cabin classes available to choose from on Bucharest to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Bucharest to London Heathrow Airport flight prices changed over time?

As of November 2026, prices for Bucharest to London Heathrow Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Bucharest to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Bucharest to London Heathrow Airport (BUH to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest to London Heathrow Airport

Best price found

£50

Fastest flight time

3h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Bucharest in the past 72 hours is £50. The best return flight deal from Bucharest to London Heathrow Airport found on momondo in the last 72 hours is £102.
The fastest flight from Bucharest to London Heathrow Airport takes 3h 30m
Direct flights go from Bucharest to London Heathrow Airport every day.

Frequently asked questions about flying from Bucharest to London Heathrow Airport

  • How far is Bucharest to London Heathrow by plane?

    London Heathrow is 1311.6 mi away from Bucharest. 3h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Bucharest to London Heathrow Airport?

    Prices for flights from Bucharest to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Bucharest to London Heathrow Airport?

  • How old do you have to be to fly from Bucharest to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Bucharest to London Heathrow Airport?

  • What is the most popular airline from Bucharest to London Heathrow Airport?

Best airlines flying from Bucharest to London Heathrow Airport

Compare and see reviews for airlines that fly from Bucharest to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £104Free CancellationRating
6.7
8,282 reviews
Search British Airways flights
  • British Airways Flights From Bucharest to London Heathrow Airport

    British Airways flies from Bucharest to London Heathrow Airport around 4 times per week, with 8,282 momondo users rating the airline 6.7/10. The cheapest British Airways deal from Bucharest to London Heathrow Airport in the last 72 hours was £104 (round-trip), much lower than the average airfare cost of £193 for British Airways flights on this route.

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Why use momondo?

Why should I use momondo to find a flight deal from Bucharest to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bucharest to London. momondo saves you time and could save you money on your trip.

Can I find flights from Bucharest to London with flexible booking policies on momondo?

All flight searches from Bucharest to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bucharest to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Bucharest.

I’m not ready to book a flight from Bucharest to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Bucharest to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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