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$54+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to London Heathrow are usually found in February or January, booked 53 days in advance, depart on a Thursday or Friday and return on a Friday

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 August 16, 2025.

Round-trip from

$132
(Expedia)

One-way from

$54
(British Airways)

Popular in

July

Cheapest in

February

Average price

$302

Good round-trip deal

$717 or less

Good one-way deal

$362 or less
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. 22% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 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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Find 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 August 16, 2025.

This Expedia deal was found by Cheapflights users on 8/14. 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.
Sun 11/307:35 amOTP - LHR
Nonstop3h 50mBritish Airways
Sat 12/66:10 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 8/14$132
This British Airways deal was found by Cheapflights users on 8/15. 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 11/244:00 pmOTP - LHR
Nonstop3h 40mBritish Airways
Wed 11/265:40 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 8/15$137
This British Airways deal was found by Cheapflights users on 8/14. 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 10/99:15 pmOTP - LHR
Nonstop3h 25mBritish Airways
Sun 10/127:10 pmLHR - OTP
Nonstop3h 20mBritish Airways
Deal found 8/14$138
This British Airways deal was found by Cheapflights users on 8/14. 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.
Sat 10/118:05 pmOTP - LHR
Nonstop3h 25mBritish Airways
Sun 10/197:10 pmLHR - OTP
Nonstop3h 20mBritish Airways
Deal found 8/14$145
This British Airways deal was found by Cheapflights users on 8/15. 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 11/178:05 amOTP - LHR
Nonstop3h 55mBritish Airways
Thu 11/206:15 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 8/15$152
This British Airways deal was found by Cheapflights users on 8/15. 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
Sun 12/286:30 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 8/15$160
This British Airways deal was found by Cheapflights users on 8/14. 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.
Tue 9/236:15 pmOTP - LHR
Nonstop3h 25mBritish Airways
Thu 9/257:05 pmLHR - OTP
Nonstop3h 20mBritish Airways
Deal found 8/14$174
This British Airways deal was found by Cheapflights users on 8/14. 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 10/239:15 pmOTP - LHR
Nonstop3h 25mBritish Airways
Sun 11/26:30 pmLHR - OTP
Nonstop3h 15mBritish Airways
Deal found 8/14$178

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 August 16, 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

Sun 11/30

7:35 am-9:25 am

Nonstop3h 50m

London Heathrow

Sat 12/6

6:10 pm-11:25 pm

Nonstop3h 15m

$132

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 11/24

4:00 pm-5:40 pm

Nonstop3h 40m

London Heathrow

Wed 11/26

5:40 pm-10:55 pm

Nonstop3h 15m

$137

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 9/30

6:15 pm-7:40 pm

Nonstop3h 25m

London Heathrow

Tue 10/7

8:05 pm-1:25 am

Nonstop3h 20m

$137

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 10/9

9:15 pm-10:40 pm

Nonstop3h 25m

London Heathrow

Sun 10/12

7:10 pm-12:30 am

Nonstop3h 20m

$138

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 10/11

8:05 pm-9:30 pm

Nonstop3h 25m

London Heathrow

Sun 10/19

7:10 pm-12:30 am

Nonstop3h 20m

$145

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 11/17

8:05 am-10:00 am

Nonstop3h 55m

London Heathrow

Thu 11/20

6:15 pm-11:30 pm

Nonstop3h 15m

$152

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 12/9

8:00 am-9:50 am

Nonstop3h 50m

$54

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 11/15

8:05 am-10:00 am

Nonstop3h 55m

$67

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 12/23

8:00 am-9:50 am

Nonstop3h 50m

$71

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 2/4

4:05 pm-12:20 pm

1 stop22h 15m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 17 results
1
2

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 August 8, 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 53 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, November is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of $661). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 August 16, 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 afternoon tend to be the most expensive. A flight at noon could potentially save you up to 24% 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 August 16, 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
7,267 reviews

Boarding

6.9

Overall

6.7

Entertainment

6.4

Comfort

6.7

Crew

7.6

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.7
Okay
7,267 reviews
British Airways
6.7
Okay
7,267 reviews

Boarding

6.9

Overall

6.7

Entertainment

6.4

Comfort

6.7

Crew

7.6

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

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.

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

    British Airways, at $136, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.. Users have found that British Airways is 36% 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: Royal Air Maroc (71%), American Airlines (60%), British Airways( 55%).

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

    On average you can expect to pay $1,784 for a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport. The cheapest flight overall is $191 while the most popular route, (Bucharest Otopeni Intl - London Heathrow) is currently priced at $160.

  • 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, November is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport (average of $661). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
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Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Swindon

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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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$136Average$235FlexibilityNo cancel feeOn-time70%

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