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Cheap flights from Bucharest Otopeni Intl Airport to London from £38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bucharest Otopeni Intl Airport to London departing on 18/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

British Airways Logo
08:00 - 09:50OTP-LHR
3h 50mdirect
British Airways Logo
17:45 - 23:00LHR-OTP
3h 15mdirect
£89British Airways
Find Deal
Fri, 5 Dec - Tue, 9 Dec
British Airways Logo
16:45 - 18:15OTP-LHR
3h 30mdirect
British Airways Logo
09:50 - 15:05LHR-OTP
3h 15mdirect
£91British Airways
Find Deal
Fri, 21 Nov - Sun, 23 Nov
British Airways Logo
16:45 - 18:15OTP-LHR
3h 30mdirect
British Airways Logo
09:50 - 15:05LHR-OTP
3h 15mdirect
£92British Airways
Find Deal
Fri, 21 Nov - Sun, 23 Nov
British Airways Logo
16:40 - 18:10OTP-LHR
3h 30mdirect
British Airways Logo
10:30 - 15:45LHR-OTP
3h 15mdirect
£93British Airways
Find Deal
Tue, 11 Nov - Thu, 13 Nov
British Airways Logo
16:45 - 18:15OTP-LHR
3h 30mdirect
British Airways Logo
18:30 - 23:45LHR-OTP
3h 15mdirect
£94British Airways
Find Deal
Fri, 21 Nov - Mon, 24 Nov
British Airways Logo
20:20 - 21:50OTP-LHR
3h 30mdirect
British Airways Logo
18:15 - 23:30LHR-OTP
3h 15mdirect
£95British Airways
Find Deal
Fri, 7 Nov - Thu, 13 Nov
British Airways Logo
20:20 - 21:50OTP-LHR
3h 30mdirect
British Airways Logo
18:15 - 23:30LHR-OTP
3h 15mdirect
£95British Airways
Find Deal
Fri, 7 Nov - Thu, 13 Nov
British Airways Logo
16:45 - 18:15OTP-LHR
3h 30mdirect
British Airways Logo
18:30 - 23:45LHR-OTP
3h 15mdirect
£96British Airways
Find Deal
Fri, 14 Nov - Mon, 17 Nov
British Airways Logo
20:05 - 21:30OTP-LHR
3h 25mdirect
British Airways Logo
20:05 - 01:25LHR-OTP
3h 20mdirect
£97British Airways
Find Deal
Sat, 11 Oct - Fri, 17 Oct
British Airways Logo
08:05 - 10:00OTP-LHR
3h 55mdirect
British Airways Logo
18:30 - 23:45LHR-OTP
3h 15mdirect
£97British Airways
Find Deal
Sat, 15 Nov - Mon, 17 Nov

British Airways flights from Bucharest Otopeni Intl Airport to London Heathrow Airport

Our best British Airways deals on Bucharest Otopeni Intl Airport to London Heathrow Airport flight tickets
British Airways
5 Dec
OTP08:00Bucharest Otopeni Intl
3h 50m
LHR09:50London Heathrow
9 Dec
LHR17:45London Heathrow
3h 15m
OTP23:00Bucharest Otopeni Intl
£89
Find similar
British Airways
21 Nov
OTP16:45Bucharest Otopeni Intl
3h 30m
LHR18:15London Heathrow
23 Nov
LHR09:50London Heathrow
3h 15m
OTP15:05Bucharest Otopeni Intl
£91
Find similar
British Airways
21 Nov
OTP16:45Bucharest Otopeni Intl
3h 30m
LHR18:15London Heathrow
23 Nov
LHR09:50London Heathrow
3h 15m
OTP15:05Bucharest Otopeni Intl
£92
Find similar

Air Serbia flights from Bucharest Otopeni Intl Airport to London Heathrow Airport

Our best Air Serbia deals on Bucharest Otopeni Intl Airport to London Heathrow Airport flight tickets
Air Serbia
16 Sept
OTP16:05Bucharest Otopeni Intl
22h 25m
1 stop
LHR12:30London Heathrow
10 Oct
LHR13:30London Heathrow
11h 35m
1 stop
OTP03:05Bucharest Otopeni Intl
£202
Find similar
Air Serbia
16 Sept
OTP16:05Bucharest Otopeni Intl
22h 25m
1 stop
LHR12:30London Heathrow
8 Oct
LHR13:30London Heathrow
11h 35m
1 stop
OTP03:05Bucharest Otopeni Intl
£203
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Bucharest Otopeni Intl Airport to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport 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 5/12

08:00-09:50

Nonstop3h 50m

London Heathrow

Tue 9/12

17:45-23:00

Nonstop3h 15m

£89

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 21/11

16:45-18:15

Nonstop3h 30m

London Heathrow

Sun 23/11

09:50-15:05

Nonstop3h 15m

£91

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 21/11

16:45-18:15

Nonstop3h 30m

London Heathrow

Sun 23/11

09:50-15:05

Nonstop3h 15m

£92

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 11/11

16:40-18:10

Nonstop3h 30m

London Heathrow

Thu 13/11

10:30-15:45

Nonstop3h 15m

£93

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 21/11

16:45-18:15

Nonstop3h 30m

London Heathrow

Mon 24/11

18:30-23:45

Nonstop3h 15m

£94

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 7/11

20:20-21:50

Nonstop3h 30m

London Heathrow

Thu 13/11

18:15-23:30

Nonstop3h 15m

£94

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 7/11

20:20-21:50

Nonstop3h 30m

London Heathrow

Thu 13/11

18:15-23:30

Nonstop3h 15m

£95

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 14/11

16:45-18:15

Nonstop3h 30m

London Heathrow

Mon 17/11

18:30-23:45

Nonstop3h 15m

£96

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 11/10

20:05-21:30

Nonstop3h 25m

London Heathrow

Fri 17/10

20:05-01:25

Nonstop3h 20m

£97

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 15/11

08:05-10:00

Nonstop3h 55m

London Heathrow

Mon 17/11

18:30-23:45

Nonstop3h 15m

£97

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 Otopeni Intl Airport 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 Otopeni Intl Airport and London Heathrow Airport?

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

In general, February is the cheapest month to fly from Bucharest Otopeni Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £103. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Bucharest Otopeni Intl Airport averaging around £109.

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 Otopeni Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £120. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £195.

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 Otopeni Intl Airport 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 £190 on average. Flights to London Heathrow Airport from Bucharest Otopeni Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Bucharest Otopeni Intl to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Bucharest Otopeni Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £159 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 Otopeni Intl Airport for as low as £101 on momondo.

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

There are 3 cabin classes available to choose from on Bucharest Otopeni Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of September 2025, prices for Bucharest Otopeni Intl Airport to London Heathrow Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Bucharest Otopeni Intl Airport to London Heathrow Airport

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

Cheap Bucharest Otopeni Intl Airport to London Heathrow Airport (OTP to LHR) flight deals and tips

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

Best price found

£126

Fastest flight time

3h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Bucharest Otopeni Intl Airport in the past 72 hours is £126. The best return flight deal from Bucharest Otopeni Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £87.
The fastest flight from Bucharest Otopeni Intl Airport to London Heathrow Airport takes 3h 25m
Direct flights go from Bucharest Otopeni Intl Airport to London Heathrow Airport every day.
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  • How far is Bucharest Otopeni Intl to London Heathrow by plane?

    Bucharest Otopeni Intl and London Heathrow are 1306.8 mi apart from one another. Typically, this will take 3h 25m by plane in normal conditions.

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

    Prices for flights from Bucharest Otopeni Intl Airport to London Heathrow Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest Otopeni Intl Airport to London Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Bucharest Otopeni Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £91Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • British Airways Flights From Bucharest Otopeni Intl Airport to London Heathrow Airport

    British Airways flight deals from Bucharest Otopeni Intl Airport to London Heathrow Airport start from £123 round-trip. Over the 10 British Airways flights for this route in a normal week, average airfare is usually £233 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Bucharest.

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

Yes. momondo enables you to select and highlight flights to London from Bucharest with this policy.

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

momondo provides multiple filters to help you find the best flight to London from Bucharest. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Bucharest and alert you when they change.

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