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$78+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
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 julio 2, 2025.

Round-trip from

$148
(British Airways)

One-way from

$78
(British Airways)

Popular in

July

Cheapest in

February

Average price

$334

Good round-trip deal

$752 or less

Good one-way deal

$221 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. 23% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 2, 2025.

This British Airways deal was found by Cheapflights users on 7/1. 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.
lun. 11/248:05 amOTP - LHR
Nonstop3h 50mBritish Airways
mié. 11/265:55 pmLHR - OTP
Nonstop3h 10mBritish Airways
Deal found 7/1$136
This Lufthansa deal was found by Cheapflights users on 7/1. 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.
mié. 10/87:20 pmOTP - LHR
1 stop5h 20mLufthansa
sáb. 10/115:50 pmLHR - OTP
1 stop5h 10mLufthansa
Deal found 7/1$197
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/118:20 amOTP - LHR
1 stop11h 00mLOT
mié. 11/126:30 amLHR - OTP
1 stop5h 20mLOT
Deal found 7/1$209
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/96:45 amOTP - LHR
1 stop9h 30mMultiple Airlines
mar. 9/167:45 amLHR - OTP
1 stop8h 40mMultiple Airlines
Deal found 7/1$220
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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.
vie. 9/266:55 pmOTP - LHR
1 stop16h 05mAustrian Airlines
vie. 10/310:25 amLHR - OTP
1 stop5h 40mAustrian Airlines
Deal found 7/1$238
This Aegean Airlines deal was found by Cheapflights users on 7/2. 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.
lun. 11/2410:50 amOTP - LHR
1 stop9h 05mAegean Airlines
mié. 11/2610:15 pmLHR - OTP
1 stop9h 45mAegean Airlines
Deal found 7/2$270

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 julio 2, 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

lun. 11/24

8:05 am-9:55 am

Nonstop3h 50m

London Heathrow

mié. 11/26

5:55 pm-11:05 pm

Nonstop3h 10m

$136

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

mié. 10/8

7:20 pm-10:40 pm

1 stop5h 20m

London Heathrow

sáb. 10/11

5:50 pm-1:00 am

1 stop5h 10m

$197

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

sáb. 10/11

8:20 am-5:20 pm

1 stop11h 00m

London Heathrow

mié. 11/12

6:30 am-1:50 pm

1 stop5h 20m

$209

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

mar. 9/9

6:45 am-2:15 pm

1 stop9h 30m

London Heathrow

mar. 9/16

7:45 am-6:25 pm

1 stop8h 40m

$220

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

vie. 9/26

1:15 pm-9:40 pm

1 stop10h 25m

London Heathrow

sáb. 10/4

6:00 am-12:25 pm

1 stop4h 25m

$238

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

lun. 11/24

10:50 am-5:55 pm

1 stop9h 05m

London Heathrow

mié. 11/26

10:15 pm-10:00 am

1 stop9h 45m

$270

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

jue. 7/31

3:40 pm-5:10 pm

Nonstop3h 30m

$78

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

sáb. 9/20

4:05 pm-12:30 pm

1 stop22h 25m

$93

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

lun. 10/6

1:45 pm-5:35 pm

1 stop5h 50m

$114

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

jue. 10/9

9:55 am-5:55 pm

1 stop10h 00m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 16 results
1
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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 27, 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 $1,098). 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 julio 2, 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 25% on airfare.

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 julio 2, 2025.
Read reviews from past customers who have flown Aegean Airlines, KLM, and LOT 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.
Aegean Airlines
8.2
Very good
761 reviews

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

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
761 reviews
Aegean Airlines
8.2
Very good
761 reviews

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

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
1,366 reviews
Aegean Airlines
8.2
Very good
761 reviews

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,092 reviews
Aegean Airlines
8.2
Very good
761 reviews

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
809 reviews
Aegean Airlines
8.2
Very good
761 reviews

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,654 reviews
Aegean Airlines
8.2
Very good
761 reviews

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

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 $148, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Lufthansa and LOT. Users have found that British Airways is 30% 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 $78 on British Airways. Other airlines that offer cheap prices include KLM from $114 and Aegean Airlines from $123 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 (87%), British Airways (78%), American Airlines( 77%).

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

    On average you can expect to pay $1,226 for a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport. The cheapest flight overall is $166 while the most popular route, (Bucharest Otopeni Intl - London Heathrow) is currently priced at $229.

  • 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 $1,098). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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 julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$136Average$235FlexibilityNo cancel feeOn-time70%

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