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Cheap flights from Bucharest Otopeni Intl Airport to London Heathrow Airport from £37

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Bucharest Otopeni Intl to London Heathrow are usually found in February or January, booked 46 days in advance, depart on a Tuesday or Monday and return on a Thursday

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Cheapest flights from Otopeni Intl to Heathrow
Explore the most affordable flight options available from Otopeni Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Wed 10/1215:50OTP - LHR
Nonstop3h 40mBritish Airways
Wed 31/1217:40LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 21/10£88
Wed 26/1115:50OTP - LHR
Nonstop3h 40mBritish Airways
Fri 28/1114:15LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 20/10£93
Wed 26/1115:50OTP - LHR
Nonstop3h 40mBritish Airways
Sat 29/1118:10LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 20/10£94
Fri 21/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Fri 28/1114:15LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 21/10£96
Wed 3/1215:50OTP - LHR
Nonstop3h 40mBritish Airways
Mon 12/118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 21/10£99
Tue 18/1108:00OTP - LHR
Nonstop3h 50mBritish Airways
Fri 28/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 20/10£102
Fri 14/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Fri 28/1118:30LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 20/10£105
Sun 14/1207:35OTP - LHR
Nonstop3h 50mBritish Airways
Wed 31/1217:40LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 22/10£106
Wed 19/1108:05OTP - LHR
Nonstop3h 50mBritish Airways
Wed 26/1117:40LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 22/10£107
Tue 18/1108:00OTP - LHR
Nonstop3h 50mBritish Airways
Sat 29/1118:10LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 20/10£108
Fri 21/1120:20OTP - LHR
Nonstop3h 30mBritish Airways
Sun 23/1109:50LHR - OTP
Nonstop3h 15mBritish Airways
Deal found 20/10£109

Cheap flight deals from Otopeni Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) 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 22 October 2025.

Round-trip from

£88

One-way from

£37

Popular in

July

Cheapest in

February

Average price

£185

Good round-trip deal

£92 or less

Good one-way deal

£121 or less
British Airways
  • British Airways
  • 10/12-31/12
  • Nonstop
  • 6h 55m total
  • Bucharest to London
Search Deals
British Airways
  • British Airways
  • 4/12
  • Nonstop
  • 3h 30m total
  • Bucharest to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£30 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 October 2025
Search Deals
Price to beat on a round-trip flight from Bucharest Otopeni Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Bucharest Otopeni Intl to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Otopeni Intl 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 22 October 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

Otopeni Intl

Fly to

Heathrow

Route

Depart

Return

Price

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 17/1

16:00-17:40

Nonstop3h 40m

London Heathrow

Thu 22/1

18:15-23:30

Nonstop3h 15m

£91

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 24/3

08:00-09:50

Nonstop3h 50m

London Heathrow

Wed 29/4

20:05-01:25

Nonstop3h 20m

£92

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 21/11

20:20-21:50

Nonstop3h 30m

London Heathrow

Fri 28/11

14:15-19:30

Nonstop3h 15m

£96

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 3/12

15:50-17:30

Nonstop3h 40m

London Heathrow

Mon 12/1

18:30-23:45

Nonstop3h 15m

£99

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 14/11

20:20-21:50

Nonstop3h 30m

London Heathrow

Thu 27/11

18:15-23:30

Nonstop3h 15m

£110

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 24/11

16:00-17:40

Nonstop3h 40m

London Heathrow

Wed 26/11

09:30-14:45

Nonstop3h 15m

£117

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 13/11

08:00-09:50

Nonstop3h 50m

London Heathrow

Thu 20/11

18:15-23:30

Nonstop3h 15m

£124

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 28/11

20:20-21:50

Nonstop3h 30m

London Heathrow

Wed 3/12

09:30-14:45

Nonstop3h 15m

£153

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 3/4

15:30-17:00

Nonstop3h 30m

London Heathrow

Wed 8/4

20:05-01:25

Nonstop3h 20m

£155

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 4/12

21:00-22:30

Nonstop3h 30m

£37

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 21 results
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Best time to book a flight from Otopeni Intl to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from Otopeni Intl to Heathrow. Price data was last updated on 17 October 2025.

To ensure you get the cheapest price possible for a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of £84). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £132). 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 OTP to LHR?

Find hourly flight availability from Otopeni Intl 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 22 October 2025.

When flying from Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport to London Heathrow Airport?

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 22 October 2025.
Read through reviews of airlines operating flights from Bucharest Otopeni Intl Airport 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
7,467 reviews
Check prices

Comfort

6.7

Crew

7.6

Boarding

6.9

Overall

6.7

Entertainment

6.4

Food

6.3

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
7,467 reviews
British Airways
6.7
Okay
7,467 reviews
Check prices

Comfort

6.7

Crew

7.6

Boarding

6.9

Overall

6.7

Entertainment

6.4

Food

6.3

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 Otopeni Intl 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 Otopeni Intl Airport to London Heathrow Airport?

    For as low as £91, British Airways can have you in London Heathrow Airport from Bucharest Otopeni Intl Airport in 3h 40m. The distance from Bucharest Otopeni Intl Airport to London Heathrow Airport is about 1307 mi. Most flights are nonstop.

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

    British Airways, at £98, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.. British Airways is currently priced 40% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport consider choosing Royal Air Maroc (79%), American Airlines (64%) or Japan Airlines (56%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport is generally £232, our data shows the cheapest flight currently is £40. When looking at the most popular route, (Bucharest Otopeni Intl - London Heathrow), you can expect to pay £88 for that flight.

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

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

  • How can I find direct flights from Otopeni Intl to Heathrow?

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of £84). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £132). 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
Wembley
Ilford
Deal
Hayes
Colchester
Watford
Crawley
Winchester
Swindon
Chichester
Romford
Ipswich
Bedford

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Alternative routes for Otopeni Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to Luton flights
Otopeni Intl to Stansted flights
Otopeni Intl to Gatwick flights
Otopeni Intl to Southend flights

Top airline flying from Otopeni Intl to Heathrow

Discover the top airline that operate flights from Otopeni Intl 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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£98Average£179FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Otopeni Intl to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Otopeni Intl today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Otopeni Intl to Heathrow.

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

Yes! Cheapflights helps users easily find flights from Otopeni Intl to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Otopeni Intl 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 Otopeni Intl today and book when prices fit your budget.

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