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Cheap flights from Bucharest Otopeni Intl Airport to London Heathrow Airport from £36

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bucharest Otopeni Intl to London Heathrow are usually found in March or February, booked 74 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from Otopeni Intl to Heathrow

Enter your travel dates to find the best prices.

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 6 May 2026.

Fri 27/1120:20
OTP
-
LHR
Nonstop3h 30m
British Airways
Thu 10/1218:15
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 2/5£107
Thu 26/1116:35
OTP
-
LHR
Nonstop3h 30m
British Airways
Tue 1/1210:15
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 4/5£118
Thu 7/508:15
OTP
-
LHR
Nonstop3h 45m
British Airways
Fri 15/520:05
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 5/5£126
Thu 17/915:40
OTP
-
LHR
Nonstop3h 30m
British Airways
Sun 20/919:05
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 4/5£134
Tue 3/1116:40
OTP
-
LHR
Nonstop3h 30m
British Airways
Sat 14/1118:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 2/5£134
Sat 26/920:00
OTP
-
LHR
Nonstop3h 20m
British Airways
Tue 6/1020:05
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 5/5£136
Sun 29/1107:35
OTP
-
LHR
Nonstop3h 50m
British Airways
Fri 11/1214:15
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 1/5£140
Thu 24/1221:00
OTP
-
LHR
Nonstop3h 30m
British Airways
Sun 27/1218:30
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 5/5£143
Mon 2/1108:05
OTP
-
LHR
Nonstop3h 55m
British Airways
Sat 14/1118:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 2/5£143
Wed 23/1215:50
OTP
-
LHR
Nonstop3h 40m
British Airways
Sat 26/1218:10
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 5/5£144
Mon 14/914:00
OTP
-
LHR
1 stop8h 55m
Multiple Airlines
Tue 22/920:05
LHR
-
OTP
Nonstop3h 15m
Multiple Airlines
Deal found 1/5£145
Sat 26/905:35
OTP
-
LHR
1 stop5h 45m
LOT
Tue 6/1018:10
LHR
-
OTP
1 stop5h 40m
LOT
Deal found 5/5£145

Find 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 6 May 2026.

Round-trip from

£134

One-way from

£36

Popular in

July

Cheapest in

March

Average price

£183

Good round-trip deal

£189 or less

Good one-way deal

£54 or less
British Airways
  • British Airways
  • 17/9-20/9
  • Nonstop
  • 6h 45m total
  • Bucharest to London
Search Deals
4/6
  • 4/6
  • 1 total stop
  • 10h 15m total
  • Bucharest to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£33 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 May 2026
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 6 May 2026.
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

Cheapest return flight

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 6/6

16:05-19:05

1 stop5h 00m

London Heathrow

Sun 14/6

13:30-03:05

1 stop11h 35m

£198

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 20/5

18:55-08:20

1 stop15h 25m

London Heathrow

Wed 10/6

06:00-15:10

1 stop7h 10m

£219

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 3/7

16:05-12:30

1 stop22h 25m

London Heathrow

Sat 11/7

19:55-15:20

1 stop17h 25m

£222
Fastest return journey

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 22/7

16:15-17:40

Nonstop3h 25m

London Heathrow

Sat 8/8

18:35-23:50

Nonstop3h 15m

£227

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 3/6

06:20-18:30

2 stops14h 10m

London Heathrow

Wed 10/6

20:05-15:20

1 stop17h 15m

£239

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 19/6

08:15-10:00

Nonstop3h 45m

London Heathrow

Fri 26/6

20:05-01:20

Nonstop3h 15m

£250

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 22/5

08:15-10:00

Nonstop3h 45m

London Heathrow

Sun 24/5

19:05-00:20

Nonstop3h 15m

£253

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 22/5

16:10-07:55

1 stop17h 45m

London Heathrow

Fri 29/5

08:55-01:10

2 stops14h 15m

£271

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 10/6

06:20-18:30

2 stops14h 10m

London Heathrow

Tue 16/6

14:25-01:10

2 stops8h 45m

£290

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 6/6

06:20-16:35

2 stops12h 15m

London Heathrow

Sun 14/6

08:55-01:10

2 stops14h 15m

£291

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

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 72 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, March is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of £101). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £257). 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 6 May 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 53% on flights from Bucharest Otopeni Intl Airport to London Heathrow Airport by exploring options for tickets in the evening.

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 6 May 2026.
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
7,944 reviews
Check prices

Food

6.4

Comfort

6.8

Boarding

6.9

Entertainment

6.4

Overall

6.7

Crew

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.
British Airways
6.7
Okay
7,944 reviews
British Airways
6.7
Okay
7,944 reviews
Check prices

Food

6.4

Comfort

6.8

Boarding

6.9

Entertainment

6.4

Overall

6.7

Crew

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.

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 £227, Air Serbia can have you in London Heathrow Airport from Bucharest Otopeni Intl Airport in 3h 25m. The distance from Bucharest Otopeni Intl Airport to London Heathrow Airport is about 1307 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    British Airways, at £97, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.. British Airways is currently priced 43% 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 (93%), British Airways (91%) or Japan Airlines (90%) 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 £233, our data shows the cheapest flight currently is £41. When looking at the most popular route, (Bucharest Otopeni Intl - London Heathrow), you can expect to pay £107 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, March is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of £101). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £257). 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

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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 Gatwick flights
Otopeni Intl to Stansted flights
Otopeni Intl to Luton 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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£97Average£198FlexibilityNo 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 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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