Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bulgaria to London Heathrow Airport from £49

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bulgaria to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Bulgaria to Heathrow
Explore the most affordable flight options available from Bulgaria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Wed 6/521:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Wed 13/515:10
LHR
-
SOF
Nonstop3h 20m
British Airways
Deal found 30/3£119
Wed 13/521:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Sun 17/514:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 1/4£133
Mon 11/520:10
SOF
-
LHR
Nonstop3h 20m
British Airways
Sun 17/514:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 1/4£135
Sat 2/516:05
SOF
-
LHR
1 stop22h 25m
Air Serbia
Tue 12/513:30
LHR
-
SOF
1 stop24h 05m
Air Serbia
Deal found 1/4£140
Tue 5/516:05
SOF
-
LHR
1 stop22h 25m
Air Serbia
Wed 13/513:30
LHR
-
SOF
1 stop24h 05m
Air Serbia
Deal found 1/4£141
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Sun 12/414:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 30/3£144
Mon 30/320:10
SOF
-
LHR
Nonstop3h 20m
British Airways
Mon 6/414:05
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 29/3£147
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Mon 6/414:05
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 30/3£152
Fri 3/414:15
SOF
-
LHR
Nonstop3h 35m
British Airways
Sun 5/414:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 1/4£154
Thu 15/1016:50
BOJ
-
LHR
1 stop7h 10m
Multiple Airlines
Thu 22/1006:30
LHR
-
BOJ
1 stop7h 25m
Multiple Airlines
Deal found 29/3£202
Fri 1/512:40
VAR
-
LHR
1 stop7h 25m
Multiple Airlines
Fri 8/508:50
LHR
-
VAR
1 stop7h 10m
Multiple Airlines
Deal found 1/4£230
Sat 25/704:30
VAR
-
LHR
1 stop10h 00m
Multiple Airlines
Tue 1/908:50
LHR
-
VAR
1 stop8h 00m
Multiple Airlines
Deal found 31/3£243

Find flight deals from Bulgaria to Heathrow

Keep the following information in mind while searching for Bulgaria to Heathrow flight deals. Data was last updated 2 April 2026.

Round-trip from

£119

One-way from

£49

Popular in

July

Cheapest in

November

Average price

£91

Good round-trip deal

£188 or less

Good one-way deal

£66 or less
British Airways
  • British Airways
  • 6/5-13/5
  • Nonstop
  • 6h 40m total
  • Bulgaria to London
Search Deals
British Airways
  • British Airways
  • 22/7
  • Nonstop
  • 3h 20m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Bulgaria to London Heathrow.
Search Deals
Price to beat on a one-way flight from Bulgaria to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bulgaria 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 858,174 searches. Data last updated 2 April 2026.
Use the filters below to find and compare flights from Bulgaria to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 26/5

16:05-12:30

1 stop22h 25m

London Heathrow

Mon 1/6

13:30-15:35

1 stop24h 05m

£171

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/4

16:05-19:05

1 stop5h 00m

London Heathrow

Wed 29/4

13:30-03:00

1 stop11h 30m

£190

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 15/6

16:05-12:30

1 stop22h 25m

London Heathrow

Wed 17/6

13:30-15:35

1 stop24h 05m

£190
Fastest return journey

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 26/4

21:05-22:25

Nonstop3h 20m

London Heathrow

Mon 27/4

14:05-19:20

Nonstop3h 15m

£207

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 15/6

20:10-21:30

Nonstop3h 20m

London Heathrow

Wed 17/6

15:10-20:30

Nonstop3h 20m

£215

VarnaLondon

VAR - LHR

VARLHR

Varna

Fri 1/5

12:40-18:05

1 stop7h 25m

London Heathrow

Fri 8/5

08:50-18:00

1 stop7h 10m

£230

VarnaLondon

VAR - LHR

VARLHR

Varna

Fri 28/8

04:30-12:30

1 stop10h 00m

London Heathrow

Wed 2/9

13:30-03:20

1 stop11h 50m

£257

VarnaLondon

VAR - LHR

VARLHR

Varna

Fri 5/6

12:40-18:05

1 stop7h 25m

London Heathrow

Thu 11/6

06:50-19:10

1 stop10h 20m

£258

BurgasLondon

BOJ - LHR

BOJLHR

Bourgas

Sun 3/5

12:15-20:20

1 stop10h 05m

London Heathrow

Mon 4/5

21:10-11:40

1 stop12h 30m

£263

VarnaLondon

VAR - LHR

VARLHR

Varna

Mon 27/7

04:30-12:30

1 stop10h 00m

London Heathrow

Wed 2/9

17:55-07:30

1 stop11h 35m

£265

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Bulgaria to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bulgaria 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 Bulgaria to London Heathrow Airport

What is the cheapest month to book a flight from Bulgaria to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £54). Flying from Bulgaria to London Heathrow Airport in June is currently the most expensive (average of £203). 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 BG to LHR?

Find hourly flight availability from Bulgaria 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 2 April 2026.

It’s optimal to fly from Bulgaria to London Heathrow Airport in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

How often are flights from Bulgaria to London delayed?

About 16% of weekly flights between Bulgaria and London have experienced delays in the past year, with the average delay time being 101 minutes.

What is the most punctual flight time for Bulgaria 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 Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 2 April 2026.
Read reviews from past customers who have flown with LOT and British Airways from Bulgaria 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.
LOT
7.5
Good
1,181 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

7.1

Crew

8.2

Boarding

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
LOT
7.5
Good
1,181 reviews
LOT
7.5
Good
1,181 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

7.1

Crew

8.2

Boarding

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
British Airways
6.7
Okay
7,841 reviews
LOT
7.5
Good
1,181 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

7.1

Crew

8.2

Boarding

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented

Related info for your journey

Find useful and relevant information for your journey from Bulgaria 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 Bulgaria to London Heathrow Airport?

    Airlines like Air Serbia fly from Bulgaria to London Heathrow Airport in about 22h 25m. The time it takes to get you to your destination can typically vary by up to . There are 1267 mi between Bulgaria and London Heathrow Airport.

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

    The cheapet airlines for a one-way flight from Bulgaria to London Heathrow Airport are Air Serbia (£52), British Airways (£52), and Bulgaria Air (£61).

  • What are the most popular routes from Bulgaria to London Heathrow Airport?

    The most popular flight routes from Bulgaria to London Heathrow Airport are Sofia - London Heathrow, Varna - London Heathrow and Bourgas - London Heathrow.

  • What are the cheapest flights from Bulgaria to London Heathrow Airport?

    Looking for the cheapest flight from Bulgaria to London Heathrow Airport? While on average our users pay £174, our data indicates the cheapest price to be £52. The most popular route (Sofia - London Heathrow), is priced around £119.

  • Can I find deals for flights from Bulgaria to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Bulgaria to Heathrow?

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

  • Can I find deals for business class flights from Bulgaria to Heathrow?

    Yes. Cheapflights offers flight deals from Bulgaria 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 Bulgaria to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £54). Flying from Bulgaria to London Heathrow Airport in June is currently the most expensive (average of £203). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Bedford
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.

Alternative routes for Bulgaria to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Gatwick flights
Charles de Gaulle to Gatwick flights
Charles de Gaulle to Luton flights
Duesseldorf Intl to Heathrow flights
Frankfurt to Luton flights
Duesseldorf Intl to Stansted flights
Orly to Gatwick flights
Amsterdam to Stansted flights
Charles de Gaulle to London City flights
Istanbul to Stansted flights
Charles de Gaulle to Heathrow flights
Duesseldorf Intl to Luton flights
Orly to Heathrow flights
Orly to London City flights
Beauvais-Tille to Stansted flights
Amsterdam to Luton flights
Duesseldorf Intl to London City flights
Istanbul to Heathrow flights
Frankfurt to Heathrow flights
Istanbul to London City flights
Frederic Chopin to Luton flights
Beauvais-Tille to Gatwick flights
Vienna to Gatwick flights
Beauvais-Tille to Luton flights
Vienna to Heathrow flights
Frederic Chopin to Stansted flights
Vienna to London City flights
Barcelona-El Prat to Gatwick flights
Frankfurt to Stansted flights
Copenhagen to Gatwick flights
Istanbul to Gatwick flights
Amsterdam to Gatwick flights
Lyon to Gatwick flights
Madrid to Gatwick flights
Hamburg to Gatwick flights
Barcelona-El Prat to Luton flights
Frederic Chopin to Gatwick flights
Cologne to Gatwick flights
Frederic Chopin to Heathrow flights
Madrid to Heathrow flights
Amsterdam to London City flights
Berlin to Gatwick flights
Zurich to Gatwick flights
Vienna to Stansted flights
Barcelona-El Prat to Stansted flights
Oslo Gardermoen to Heathrow flights
Frankfurt-Hahn to Stansted flights
Cologne to Heathrow flights
Madrid to London City flights
Munich to Gatwick flights

Top 3 airlines flying from Bulgaria to Heathrow

Discover the top 3 airlines that operate flights from Bulgaria 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 858,174 searches. Data last updated 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£89Average£144FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Bulgaria AirCheapest£97Average£201FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
LOTCheapest£126Average£174FlexibilityNo cancel feeOn-time81%
Search LOT 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 Bulgaria to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Bulgaria today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Bulgaria to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bulgaria to Heathrow.

Can Cheapflights find flights from Bulgaria to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bulgaria to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Bulgaria to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Bulgaria 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.