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$53+ Cheap flights from Otopeni Intl (OTP) to Heathrow (LHR)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to London Heathrow are usually found in February or January, booked 65 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from Otopeni Intl to Heathrow

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 December 8, 2025.

This British Airways deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:25 pmOTP - LHR
Nonstop3h 30mBritish Airways
Mon 12/299:40 amLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/7$140
This British Airways deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/184:35 pmOTP - LHR
Nonstop3h 30mBritish Airways
Fri 1/22:15 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/8$156
This British Airways deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:20 pmOTP - LHR
Nonstop3h 30mBritish Airways
Wed 1/79:30 amLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/8$161
This British Airways deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:50 pmOTP - LHR
Nonstop3h 40mBritish Airways
Wed 12/315:40 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/7$173
This British Airways deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:20 pmOTP - LHR
Nonstop3h 30mBritish Airways
Sat 1/106:10 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/7$183
This British Airways deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:25 pmOTP - LHR
Nonstop3h 30mBritish Airways
Sun 12/286:30 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/7$190
This KLM deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:55 pmOTP - LHR
1 stop8h 55mKLM
Wed 12/316:30 amLHR - OTP
1 stop8h 40mKLM
Deal found 12/8$213
This British Airways deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:50 pmOTP - LHR
Nonstop3h 40mBritish Airways
Tue 1/65:45 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 12/7$222
This Booking.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:35 amOTP - LHR
1 stop6h 00mLOT
Wed 12/316:30 amLHR - OTP
1 stop14h 45mLOT
Deal found 12/7$231
This Expedia deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:25 pmOTP - LHR
Nonstop3h 30mMultiple Airlines
Wed 12/316:00 amLHR - OTP
1 stop7h 45mMultiple Airlines
Deal found 12/7$236

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$119
(British Airways)

One-way from

$53
(British Airways)

Popular in

July

Cheapest in

February

Average price

$222

Good round-trip deal

$352 or less

Good one-way deal

$272 or less
Provider with most accurate pricing for Bucharest Otopeni Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-London Heathrow flights.
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From Bucharest Otopeni Intl to London Heathrow
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One-way flight from Bucharest Otopeni Intl to London Heathrow
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Highest demand for flights based on searches. 18% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Bucharest Otopeni Intl to London Heathrow.
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Price to beat on a one-way flight from Bucharest Otopeni Intl to London Heathrow.
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 8, 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

Thu 1/15

8:00 am-9:50 am

Nonstop3h 50m

London Heathrow

Fri 1/23

6:30 pm-11:45 pm

Nonstop3h 15m

$125

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 1/16

8:20 pm-9:50 pm

Nonstop3h 30m

London Heathrow

Fri 1/23

6:30 pm-11:45 pm

Nonstop3h 15m

$128

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 2/24

8:00 am-9:50 am

Nonstop3h 50m

London Heathrow

Fri 3/13

6:30 pm-11:45 pm

Nonstop3h 15m

$130

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 1/24

4:00 pm-5:40 pm

Nonstop3h 40m

London Heathrow

Mon 1/26

6:30 pm-11:45 pm

Nonstop3h 15m

$144

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 1/24

4:00 pm-5:40 pm

Nonstop3h 40m

London Heathrow

Tue 1/27

5:45 pm-11:00 pm

Nonstop3h 15m

$144

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 3/7

8:05 am-10:00 am

Nonstop3h 55m

London Heathrow

Thu 3/12

6:15 pm-11:30 pm

Nonstop3h 15m

$146

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 1/26

8:05 am-10:00 am

Nonstop3h 55m

London Heathrow

Wed 1/28

9:30 am-2:45 pm

Nonstop3h 15m

$151

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 1/26

8:05 am-10:00 am

Nonstop3h 55m

London Heathrow

Mon 1/26

2:20 pm-7:35 pm

Nonstop3h 15m

$151

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sun 1/25

7:35 am-9:25 am

Nonstop3h 50m

London Heathrow

Mon 1/26

2:20 pm-7:35 pm

Nonstop3h 15m

$151

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 12/18

4:35 pm-6:05 pm

Nonstop3h 30m

London Heathrow

Fri 1/2

2:15 pm-7:30 pm

Nonstop3h 15m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 20 results
1
2

Compare providers for flights from Otopeni Intl to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Otopeni Intl to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bucharest Otopeni Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest Otopeni Intl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Otopeni Intl to Heathrow. Price data was last updated on December 5, 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, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of $109). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $182). 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 December 8, 2025.

One of the essential ways to save on airfare from Bucharest Otopeni Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 85% on airfare.

How much does it cost to fly round-trip 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 December 8, 2025.
Read reviews from past customers who have flown British Airways from Bucharest Otopeni Intl Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews

Boarding

6.9

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Comfort

6.7

Reviews

1 / 20
10.0
Excellent

Amit,Nov 2025

BOM - LHR

Food and presentation were excellent. Staff was very courteous. On time boarding, on time flight. Comfortable seats (lie flats) and clear announcements and updates.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Boarding

6.9

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Comfort

6.7

Reviews

1 / 20
10.0
Excellent

Amit,Nov 2025

BOM - LHR

Food and presentation were excellent. Staff was very courteous. On time boarding, on time flight. Comfortable seats (lie flats) and clear announcements and updates.

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?

    There are many flights that can get you from Bucharest Otopeni Intl Airport to London Heathrow Airport in 3h 50m. Fly via British Airways to get the fastest option. There are 1307 mi between Bucharest Otopeni Intl Airport and London Heathrow Airport. 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 $107, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.. Users have found that British Airways is 52% cheaper than the other options available to this destination.

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

    Before booking your flight to London Heathrow Airport from Bucharest Otopeni Intl Airport, check out the most reliable airlines to get you to your destination on time: Japan Airlines (88%), British Airways (81%), American Airlines( 80%).

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

    On average you can expect to pay $1,611 for a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport. The cheapest flight overall is $66 while the most popular route, (Bucharest Otopeni Intl - London Heathrow) is currently priced at $121.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of $109). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $182). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$107Average$203FlexibilityNo cancel feeOn-time70%

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