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Cheap flights from Bulgaria to London Heathrow Airport from £51

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
8 Jul — 15 Jul1
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 8 June 2026.

Sun 13/1214:30
SOF
-
LHR
Nonstop3h 30m
British Airways
Mon 4/111:10
LHR
-
SOF
Nonstop3h 10m
British Airways
Deal found 7/6£133
Sat 26/916:00
SOF
-
LHR
1 stop5h 05m
Air Serbia
Sun 4/1013:30
LHR
-
SOF
1 stop24h 00m
Air Serbia
Deal found 6/6£141
Wed 1/718:45
SOF
-
LHR
1 stop5h 15m
LOT
Wed 8/706:30
LHR
-
SOF
1 stop17h 15m
LOT
Deal found 6/6£157
Fri 10/705:30
SOF
-
LHR
1 stop5h 50m
LOT
Tue 14/706:30
LHR
-
SOF
1 stop5h 20m
LOT
Deal found 6/6£159
Sun 27/916:00
SOF
-
LHR
1 stop22h 30m
Air Serbia
Mon 5/1013:30
LHR
-
SOF
1 stop24h 00m
Air Serbia
Deal found 6/6£161
Fri 10/718:45
SOF
-
LHR
1 stop5h 15m
LOT
Sun 12/706:30
LHR
-
SOF
1 stop9h 30m
LOT
Deal found 7/6£164
Wed 1/718:45
SOF
-
LHR
1 stop5h 15m
LOT
Sat 4/706:30
LHR
-
SOF
1 stop5h 25m
LOT
Deal found 5/6£166
Sun 1/1114:30
SOF
-
LHR
Nonstop3h 30m
British Airways
Wed 11/1114:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 3/6£168
Thu 18/605:00
VAR
-
LHR
1 stop30h 10m
Multiple Airlines
Wed 24/620:50
LHR
-
VAR
1 stop13h 35m
Multiple Airlines
Deal found 3/6£177
Sat 13/604:25
VAR
-
LHR
1 stop16h 40m
Air Serbia
Wed 1/713:30
LHR
-
VAR
1 stop11h 55m
Air Serbia
Deal found 3/6£182
Sun 5/709:50
BOJ
-
LHR
1 stop14h 50m
Lufthansa
Tue 14/720:25
LHR
-
BOJ
1 stop13h 20m
Lufthansa
Deal found 5/6£182
Tue 30/605:30
VAR
-
LHR
1 stop15h 15m
Multiple Airlines
Wed 15/720:50
LHR
-
VAR
1 stop13h 35m
Multiple Airlines
Deal found 3/6£188

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 8 June 2026.

Round-trip from

£141

One-way from

£51

Popular in

August

Cheapest in

November

Average price

£98

Good round-trip deal

£71 or less

Good one-way deal

£107 or less
Air Serbia
  • Air Serbia
  • 26/9-5/10
  • 2 total stops
  • 29h 05m total
  • Bulgaria to London
Search Deals
British Airways
  • British Airways
  • 7/11
  • Nonstop
  • 3h 45m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 35% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 8 June 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

Mon 28/9

05:00-12:30

1 stop9h 30m

London Heathrow

Wed 30/9

13:30-15:30

1 stop24h 00m

£161

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 27/9

16:00-12:30

1 stop22h 30m

London Heathrow

Sun 4/10

13:30-15:30

1 stop24h 00m

£161
Fastest return journey

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 27/9

21:05-22:25

Nonstop3h 20m

London Heathrow

Sun 4/10

14:55-20:10

Nonstop3h 15m

£182

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 18/8

19:25-22:40

1 stop5h 15m

London Heathrow

Sat 22/8

06:00-12:55

1 stop4h 55m

£193

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 1/10

05:00-12:30

1 stop9h 30m

London Heathrow

Fri 2/10

13:30-03:00

1 stop11h 30m

£202

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 13/8

05:00-12:30

1 stop9h 30m

London Heathrow

Sun 16/8

13:30-03:00

1 stop11h 30m

£210

BurgasLondon

BOJ - LHR

BOJLHR

Bourgas

Sat 4/7

15:50-21:40

1 stop7h 50m

London Heathrow

Tue 7/7

20:25-11:45

1 stop13h 20m

£219

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 22/7

11:05-16:25

1 stop7h 20m

London Heathrow

Wed 29/7

18:40-12:10

2 stops15h 30m

£221

VarnaLondon

VAR - LHR

VARLHR

Varna

Fri 3/7

04:15-12:30

1 stop10h 15m

London Heathrow

Wed 8/7

13:30-03:25

1 stop11h 55m

£237

VarnaLondon

VAR - LHR

VARLHR

Varna

Thu 30/7

18:40-21:40

1 stop5h 00m

London Heathrow

Thu 6/8

06:00-12:45

1 stop4h 45m

£241

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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 £40). Flying from Bulgaria to London Heathrow Airport in June is currently the most expensive (average of £222). 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 8 June 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 at midday.

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?

Saturday tends to have the lowest number of delays on this route, whereas Friday 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 14% 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 8 June 2026.
Read reviews from past customers who have flown with 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.
British Airways
6.7
Okay
8,028 reviews
Check prices

Comfort

6.8

Crew

7.7

Food

6.4

Entertainment

6.4

Overall

6.7

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

T4Monaco,Jun 2026

CLT - LHR

Canceled flight only option they offered was a 9pm to 9am layover in Nairobi. CS was useless and uncaring. I will never use them again.
British Airways
6.7
Okay
8,028 reviews
British Airways
6.7
Okay
8,028 reviews
Check prices

Comfort

6.8

Crew

7.7

Food

6.4

Entertainment

6.4

Overall

6.7

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

T4Monaco,Jun 2026

CLT - LHR

Canceled flight only option they offered was a 9pm to 9am layover in Nairobi. CS was useless and uncaring. I will never use them again.

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, British Airways, and Austrian Airlines fly from Bulgaria to London Heathrow Airport in about 3h 20m. The time it takes to get you to your destination can typically vary by up to 6h 10m. There are 1267 mi between Bulgaria and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 British Airways (£51), Air Serbia (£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 £183, our data indicates the cheapest price to be £67. The most popular route (Sofia - London Heathrow), is priced around £168.

  • 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 £40). Flying from Bulgaria to London Heathrow Airport in June is currently the most expensive (average of £222). 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Northampton
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Romford
Guildford
Poole

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Alternative routes for Bulgaria to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Frankfurt to Gatwick flights
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Top 2 airlines flying from Bulgaria to Heathrow

Discover the top 2 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 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£89Average£144FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Bulgaria AirCheapest£96Average£200FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air 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.

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