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$50+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 Friday or Thursday 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 June 12, 2025.

Round-trip from

$130
(British Airways)

One-way from

$50
(Travelocity)

Popular in

July

Cheapest in

February

Average price

$215

Good round-trip deal

$698 or less

Good one-way deal

$371 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 ($60 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 June 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 June 12, 2025.

This British Airways deal was found by Cheapflights users on 6/11. 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 11/248:05 amOTP - LHR
Nonstop3h 50mBritish Airways
Wed 11/265:55 pmLHR - OTP
Nonstop3h 10mBritish Airways
Deal found 6/11$130
This Air Serbia deal was found by Cheapflights users on 6/12. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/304:30 amOTP - LHR
1 stop9h 50mAir Serbia
Fri 12/51:20 pmLHR - OTP
1 stop11h 50mAir Serbia
Deal found 6/12$200
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:05 amOTP - LHR
Nonstop3h 50mMultiple Airlines
Thu 11/1310:15 pmLHR - OTP
1 stop20h 10mMultiple Airlines
Deal found 6/10$205
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:20 pmOTP - LHR
1 stop5h 20mLufthansa
Tue 8/58:25 pmLHR - OTP
1 stop13h 30mLufthansa
Deal found 6/12$226
This Aegean Airlines deal was found by Cheapflights users on 6/11. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:50 amOTP - LHR
1 stop9h 05mAegean Airlines
Thu 11/2010:15 pmLHR - OTP
1 stop9h 45mAegean Airlines
Deal found 6/11$228
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:10 pmOTP - LHR
1 stop7h 35mSWISS
Tue 7/298:05 pmLHR - OTP
1 stop17h 15mSWISS
Deal found 6/11$230
This Austrian Airlines deal was found by Cheapflights users on 6/11. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:55 pmOTP - LHR
1 stop15h 50mAustrian Airlines
Wed 7/96:00 amLHR - OTP
1 stop10h 05mAustrian Airlines
Deal found 6/11$232
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/45:35 amOTP - LHR
1 stop5h 45mLOT
Fri 7/46:10 pmLHR - OTP
1 stop5h 40mLOT
Deal found 6/10$305

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 June 12, 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

Mon 11/24

8:05 am-9:55 am

Nonstop3h 50m

London Heathrow

Wed 11/26

5:55 pm-11:05 pm

Nonstop3h 10m

$130

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sun 11/30

4:30 am-12:20 pm

1 stop9h 50m

London Heathrow

Fri 12/5

1:20 pm-3:10 am

1 stop11h 50m

$200

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 11/12

8:05 am-9:55 am

Nonstop3h 50m

London Heathrow

Thu 11/13

10:15 pm-8:25 pm

1 stop20h 10m

$205

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 7/28

7:20 pm-10:40 pm

1 stop5h 20m

London Heathrow

Tue 8/5

8:25 pm-11:55 am

1 stop13h 30m

$226

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 8/21

2:35 pm-10:00 pm

1 stop9h 25m

London Heathrow

Mon 8/25

10:15 am-1:50 am

1 stop13h 35m

$227

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 11/17

10:50 am-5:55 pm

1 stop9h 05m

London Heathrow

Thu 11/20

10:15 pm-10:00 am

1 stop9h 45m

$228

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 7/23

4:10 pm-9:45 pm

1 stop7h 35m

London Heathrow

Tue 7/29

8:05 pm-3:20 pm

1 stop17h 15m

$230

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 7/3

6:55 pm-8:45 am

1 stop15h 50m

London Heathrow

Wed 7/9

6:00 am-6:05 pm

1 stop10h 05m

$232

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 11/18

4:25 pm-6:00 pm

Nonstop3h 35m

$50

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 11/19

6:10 am-6:15 pm

1 stop14h 05m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 22 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 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 June 9, 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 $1,108). 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 June 12, 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 21% on airfare.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
See what other customers who have flown with Aegean Airlines, Emirates and KLM from Bucharest to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very good
759 reviews

Food

7.4

Boarding

7.8

Entertainment

7.0

Overall

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very good
759 reviews
Aegean Airlines
8.2
Very good
759 reviews

Food

7.4

Boarding

7.8

Entertainment

7.0

Overall

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Emirates
8.1
Very good
3,264 reviews
Aegean Airlines
8.2
Very good
759 reviews

Food

7.4

Boarding

7.8

Entertainment

7.0

Overall

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,358 reviews
Aegean Airlines
8.2
Very good
759 reviews

Food

7.4

Boarding

7.8

Entertainment

7.0

Overall

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
EL AL
7.8
Good
540 reviews
Aegean Airlines
8.2
Very good
759 reviews

Food

7.4

Boarding

7.8

Entertainment

7.0

Overall

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
MEA
7.8
Good
101 reviews
Aegean Airlines
8.2
Very good
759 reviews

Food

7.4

Boarding

7.8

Entertainment

7.0

Overall

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 are the cheapest airlines flying from Bucharest Otopeni Intl Airport to London Heathrow Airport round-trip?

    British Airways, at $130, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Air Serbia and Lufthansa. Users have found that British Airways is 38% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $50 on British Airways. Other airlines that offer cheap prices include Air Serbia from $88 and Eurowings from $105 one-way.

  • 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 (92%), American Airlines (87%), British Airways( 84%).

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

    On average you can expect to pay $1,627 for a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport. The cheapest flight overall is $136 while the most popular route, (Bucharest Otopeni Intl - London Heathrow) is currently priced at $224.

  • 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 $1,108). 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 Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$139Average$235FlexibilityNo cancel feeOn-time70%

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