HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$58+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LHR
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Otopeni Intl to Heathrow with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
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 Monday or Thursday and return on a Saturday

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 March 26, 2026.

This British Airways deal was found by Cheapflights users on 3/25. 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 4/18:15 am
OTP
-
LHR
Nonstop3h 45m
British Airways
Sat 4/186:35 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/25$139
This British Airways deal was found by Cheapflights users on 3/25. 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 4/14:15 pm
OTP
-
LHR
Nonstop3h 25m
British Airways
Sun 4/127:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/25$147
This British Airways deal was found by Cheapflights users on 3/21. 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 4/18:15 am
OTP
-
LHR
Nonstop3h 45m
British Airways
Tue 4/218:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/21$154
This British Airways deal was found by Cheapflights users on 3/21. 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 3/316:10 pm
OTP
-
LHR
Nonstop3h 30m
British Airways
Sat 4/256:35 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/21$155
This British Airways deal was found by Cheapflights users on 3/23. 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 6/236:10 pm
OTP
-
LHR
Nonstop3h 30m
British Airways
Thu 6/257:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/23$157
This British Airways deal was found by Cheapflights users on 3/21. 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 3/318:15 am
OTP
-
LHR
Nonstop3h 45m
British Airways
Wed 4/228:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/21$159
This British Airways deal was found by Cheapflights users on 3/21. 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 3/318:15 am
OTP
-
LHR
Nonstop3h 45m
British Airways
Mon 4/277:35 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/21$162
This British Airways deal was found by Cheapflights users on 3/25. 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 3/308:15 am
OTP
-
LHR
Nonstop3h 45m
British Airways
Sun 4/127:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/25$163
This British Airways deal was found by Cheapflights users on 3/25. 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 3/303:40 pm
OTP
-
LHR
Nonstop3h 30m
British Airways
Tue 4/148:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/25$168
This Booking.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/233:40 pm
OTP
-
LHR
Nonstop3h 30m
British Airways
Wed 4/298:05 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/25$173
This British Airways deal was found by Cheapflights users on 3/25. 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 3/264:35 pm
OTP
-
LHR
Nonstop3h 30m
British Airways
Mon 3/307:35 pm
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 3/25$177

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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$154
(British Airways)

One-way from

$58
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$173

Good round-trip deal

$376 or less

Good one-way deal

$448 or less
Provider with most accurate pricing for Bucharest Otopeni Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-London Heathrow flights.
Search Deals
From Bucharest Otopeni Intl to London Heathrow
Search Deals
One-way flight from Bucharest Otopeni Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

 
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 March 26, 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 round-trip
Quickest round-trip

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 5/2

8:00 pm-9:20 pm

Nonstop3h 20m

London Heathrow

Sat 5/9

6:35 pm-11:50 pm

Nonstop3h 15m

$226

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 6/3

4:15 pm-5:40 pm

Nonstop3h 25m

London Heathrow

Mon 6/8

7:35 pm-12:50 am

Nonstop3h 15m

$231

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 6/19

3:30 pm-5:00 pm

Nonstop3h 30m

London Heathrow

Fri 6/19

8:05 pm-1:20 am

Nonstop3h 15m

$238

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 5/5

6:20 am-4:35 pm

2 stops12h 15m

London Heathrow

Tue 5/12

5:15 pm-1:05 am

1 stop5h 50m

$269

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 5/11

8:15 am-10:00 am

Nonstop3h 45m

London Heathrow

Thu 5/14

7:05 pm-12:20 am

Nonstop3h 15m

$270

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 5/7

8:15 am-10:00 am

Nonstop3h 45m

London Heathrow

Sat 5/9

6:35 pm-11:50 pm

Nonstop3h 15m

$273

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 4/7

3:55 pm-9:40 pm

1 stop7h 45m

London Heathrow

Sat 4/11

9:05 am-12:10 am

1 stop13h 05m

$276

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 4/21

6:20 am-9:30 pm

2 stops17h 10m

London Heathrow

Tue 4/28

6:00 am-3:20 pm

1 stop7h 20m

$281
Cheapest one-way
Quickest one-way

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 6/10

4:15 pm-5:40 pm

Nonstop3h 25m

$73

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Wed 7/15

4:15 pm-5:40 pm

Nonstop3h 25m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest Otopeni Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 13, 2026.

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 65 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 $110). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $207). 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 March 26, 2026.

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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 36% 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 March 26, 2026.
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
7,820 reviews

Boarding

6.9

Comfort

6.8

Entertainment

6.4

Overall

6.7

Food

6.4

Crew

7.6

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,820 reviews
British Airways
6.7
Okay
7,820 reviews

Boarding

6.9

Comfort

6.8

Entertainment

6.4

Overall

6.7

Food

6.4

Crew

7.6

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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 20m. Fly via British Airways or LOT to get the fastest option. There are 1307 mi between Bucharest Otopeni Intl Airport and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop 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 $107, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to London Heathrow Airport.. Users have found that British Airways is 53% 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: British Airways (81%), American Airlines (79%), Japan Airlines( 79%).

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

    On average you can expect to pay $1,437 for a flight from Bucharest Otopeni Intl Airport to London Heathrow Airport. The cheapest flight overall is $113 while the most popular route, (Bucharest Otopeni Intl - London Heathrow) is currently priced at $186.

  • 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 $110). Flying from Bucharest Otopeni Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $207). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$107Average$200FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights