Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bucharest to London from £21

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — LON
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bucharest to London are usually found in March or February, booked 62 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Bucharest to London

Enter your travel dates to find the best prices.

Cheapest flights from Bucharest to London
Explore the most affordable flight options available from Bucharest to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.

Sun 28/1221:50OTP - STN
Nonstop3h 25mRyanair
Thu 1/109:25STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£78
Sun 28/1221:50OTP - STN
Nonstop3h 25mRyanair
Wed 31/1212:25STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£80
Wed 31/1218:15OTP - STN
Nonstop3h 25mRyanair
Thu 1/109:25STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£81
Wed 31/1219:40OTP - LTN
Nonstop3h 35mWizz Air
Fri 2/117:50LTN - OTP
Nonstop3h 20mWizz Air
Deal found 26/12£83
Wed 31/1219:40OTP - LTN
Nonstop3h 35mWizz Air
Thu 1/117:50LTN - OTP
Nonstop3h 20mWizz Air
Deal found 26/12£87
Sun 28/1216:00OTP - STN
1 stop7h 10mMultiple Airlines
Thu 1/106:20STN - OTP
Nonstop3h 25mMultiple Airlines
Deal found 27/12£88
Mon 29/1205:55OTP - STN
Nonstop3h 25mRyanair
Wed 31/1212:25STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£91
Wed 31/1205:50OTP - LTN
Nonstop3h 35mWizz Air
Wed 31/1217:50LTN - OTP
Nonstop3h 20mWizz Air
Deal found 26/12£91
Sun 28/1221:50OTP - STN
Nonstop3h 25mRyanair
Sat 3/105:55STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£93
Wed 31/1220:40OTP - STN
1 stop13h 40mMultiple Airlines
Wed 7/106:20STN - OTP
Nonstop3h 25mMultiple Airlines
Deal found 27/12£94
Sun 28/1221:50OTP - STN
Nonstop3h 25mRyanair
Sun 4/105:55STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£95
Mon 29/1205:55OTP - STN
Nonstop3h 25mRyanair
Thu 1/109:25STN - OTP
Nonstop3h 25mRyanair
Deal found 26/12£96

Find flight deals from Bucharest to London

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to London (LON). 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 28 December 2025.

Round-trip from

£46

One-way from

£21

Popular in

July

Cheapest in

March

Average price

£103

Good round-trip deal

£57 or less

Good one-way deal

£20 or less
Ryanair
  • Ryanair
  • 22/1-23/1
  • Nonstop
  • 6h 50m total
  • Bucharest to London
Search Deals
Ryanair
  • Ryanair
  • 24/2
  • Nonstop
  • 3h 25m total
  • Bucharest to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Bucharest (BUH) to London (LON).
Search Deals
Price to beat on a one-way flight from Bucharest (BUH) to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bucharest to London 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 858,174 searches. Data last updated 28 December 2025.
Use the filters below to find and compare flights from Bucharest to London that are best for you.

Fly from

Bucharest

Fly to

London

Route

Depart

Return

Price

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Mon 26/1

22:50-00:15

Nonstop3h 25m

London Stansted

Sun 1/2

08:30-23:05

1 stop12h 35m

£56

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Thu 22/1

07:10-08:45

Nonstop3h 35m

London Luton

Fri 23/1

20:50-11:30

1 stop12h 40m

£56

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Thu 29/1

19:40-21:15

Nonstop3h 35m

London Luton

Wed 4/2

20:50-11:30

1 stop12h 40m

£56

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Mon 26/1

22:50-00:15

Nonstop3h 25m

London Stansted

Wed 28/1

21:05-09:50

1 stop10h 45m

£56

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Sat 31/1

09:00-10:25

Nonstop3h 25m

London Stansted

Mon 9/2

07:25-18:25

1 stop9h 00m

£57

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Fri 16/1

05:50-07:25

Nonstop3h 35m

London Luton

Thu 22/1

20:50-09:15

1 stop10h 25m

£58

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Mon 12/1

06:15-13:15

1 stop9h 00m

London Luton

Thu 15/1

17:50-23:10

Nonstop3h 20m

£60

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Fri 23/1

15:35-23:35

1 stop10h 00m

London Stansted

Sun 25/1

08:15-13:40

Nonstop3h 25m

£60

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Mon 12/1

23:50-08:15

1 stop10h 25m

London Stansted

Thu 15/1

11:05-16:30

Nonstop3h 25m

£61

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Thu 15/1

19:40-21:15

Nonstop3h 35m

London Luton

Wed 21/1

20:50-11:30

1 stop12h 40m

£61

Flights are sorted by cheapest return flights first.

Deals found on 26/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Bucharest to London

Have a flexible travel schedule? Discover the best time to fly to London from Bucharest with our price prediction graph.
Estimated return 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 to London

How far ahead should I book a flight from Bucharest to London?

Use this chart to determine the optimal time to book a return flight from Bucharest to London. Price data was last updated on 26 December 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Bucharest to London?

Currently, March is the cheapest month in which you can book a flight from Bucharest to London (average of £32). Flying from Bucharest to London in July is currently the most expensive (average of £75). 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 BUH to LON?

Find hourly flight availability from Bucharest to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Bucharest to London by exploring options for tickets at midday.

What is the cheapest day to fly from Bucharest to London?

Use this chart to determine the cheapest time to fly return from Bucharest to London. Price data was last updated on 27 December 2025.

Travellers seeking maximum savings on their Bucharest to London flight should consider departing on Monday at midday when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Bucharest to London

Explore weekly flight availability from Bucharest to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 December 2025.

The most flights from BUH to LON are scheduled on a Saturday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost for a return flight from Bucharest to London?

What’s the top stopover airport for flights from Bucharest to London?

Share of one-stop return flights from Bucharest to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Warsaw (WAW) – chosen by Cheapflights users on 50% of one-stop itineraries from Bucharest to London on Cheapflights.

What’s the cheapest stopover airport for flights from Bucharest to London?

Average return fare for one-stop flights from Bucharest to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Warsaw (WAW) is the most affordable one-stop option, with an average return flight price of £137.

What’s the fastest stopover option from Bucharest to London?

Shortest average travel time for one-stop one-way flights from Bucharest to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Vienna (VIE) have the shortest average one-way travel time for one-stop routes: 4h 45m.

Which airport typically offers the quickest stopover for flights from Bucharest to London?

Average stopover duration for one-stop one-way flights from Bucharest to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Vienna (VIE) offer the fastest connection on this route, with an average stopover time of 0h 43m.

How often are flights from Bucharest to London delayed?

About 19% of weekly flights between Bucharest and London have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for Bucharest to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bucharest to London flights?

Over the past year, Wizz Air have had the lowest number of delays on this route, with just 17% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 28 December 2025.
Get a feel of what it's like to fly with Ryanair, Wizz Air, andWizz Air from Bucharest to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.8
Okay
5,231 reviews
Check prices

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
Ryanair
6.8
Okay
5,231 reviews
Ryanair
6.8
Okay
5,231 reviews
Check prices

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
Wizz Air
6.8
Okay
398 reviews
Ryanair
6.8
Okay
5,231 reviews
Check prices

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
Wizz Air
6.8
Okay
1,071 reviews
Ryanair
6.8
Okay
5,231 reviews
Check prices

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
British Airways
6.7
Okay
7,617 reviews
Ryanair
6.8
Okay
5,231 reviews
Check prices

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Related info for your journey

Find useful and relevant information for your journey from Bucharest to London. 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 to London?

    Departing from Bucharest to London will take you 3h 25m. There are 1284 mi between Bucharest and London. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Bucharest to London round-trip?

    Flying on Wizz Air is currently your cheapest option to London, with prices starting at £39. Additional return tickets that might be worth considering are offered by Ryanair and British Airways, with the lowest prices starting at £43 and £98, respectively. Users have found that Wizz Air is 59% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Bucharest to London one-way?

    One-way options have recently been found by users for as low as £18 on Wizz Air. Other airlines that offer cheap prices include Wizz Air from £20 and Ryanair from £21 one-way.

  • What are the most popular routes from Bucharest to London?

    The most popular route from Bucharest to London is Bucharest Otopeni Intl - London Heathrow. You may also consider Bucharest Otopeni Intl - London Luton or Bucharest Otopeni Intl - London Stansted.

  • What are the most reliable airlines from Bucharest to London?

    The top 3 most reliable airlines when flying from Bucharest to London are Japan Airlines (87%), Royal Air Maroc (80%) and British Airways (80%).

  • What are the cheapest flights from Bucharest to London?

    On average you can expect to pay £138 for a flight from Bucharest to London. The cheapest flight overall is £41 while the most popular route, (Bucharest Otopeni Intl - London Heathrow) is currently priced at £87.

  • Can I find deals for flights from Bucharest to London that include hotel bookings?

    Yes. In addition to deals on Bucharest to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bucharest to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bucharest to London.

  • Can I find deals for business class flights from Bucharest to London?

    Yes. Cheapflights offers flight deals from Bucharest to London 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 to London?

    Currently, March is the cheapest month in which you can book a flight from Bucharest to London (average of £32). Flying from Bucharest to London in July is currently the most expensive (average of £75). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Bedford
Romford
Chichester
Eastbourne
Ipswich
Bishop's Stortford
Chelmsford

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.

Fly from Bucharest to London on these airlines

Choose from the following airlines for your flight from Bucharest to London. Flights are based on user searches made on Cheapflights and were last updated on 28 December 2025.
Wizz Air flights from Bucharest to London
Ryanair flights from Bucharest to London
Wizz Air flights from Bucharest to London

Top 3 airlines flying from Bucharest to London

Discover the top 3 airlines that operate flights from Bucharest to London. 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 858,174 searches. Data last updated 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£40Average£100FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£43Average£91FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£98Average£192FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bucharest to London?

When you search for this flight from Bucharest to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Bucharest to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Bucharest.

Can Cheapflights find flights from Bucharest to London with no change fees?

Yes, we can. To see specific flights from Bucharest to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Bucharest to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Bucharest today and book when prices fit your budget.

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.