Cheap flights from Bulgaria to London Heathrow Airport from £44

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
6 Sep — 13 Sep1
1 adult

Cheap flight deals from Bulgaria to Heathrow

Keep the following information in mind while searching for Bulgaria to Heathrow flight deals. Data was last updated 1 September 2025.

Round-trip from

£103

One-way from

£44

Popular in

July

Cheapest in

March

Average price

£132

Good round-trip deal

£138 or less

Good one-way deal

£95 or less
British Airways
  • British Airways
  • 5/11-9/11
  • Nonstop
  • 6h 40m total
  • Bulgaria to London
British Airways
  • British Airways
  • 5/11
  • Nonstop
  • 3h 30m total
  • Bulgaria to London
Highest demand for flights based on searches. 30% potential increase in price (£32 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Bulgaria to London Heathrow.
Price to beat on a one-way flight from Bulgaria to London Heathrow.

Find flight deals from Bulgaria to Heathrow

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 1 September 2025.

Wed 5/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Sun 9/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 30/8£103
Mon 27/1017:25SOF - LHR
Nonstop3h 30mBritish Airways
Sun 2/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 1/9£107
Sat 15/1112:05SOF - LHR
Nonstop3h 45mBritish Airways
Sat 22/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 31/8£110
Wed 29/1021:00SOF - LHR
Nonstop3h 30mBritish Airways
Sun 2/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 1/9£113
Sun 21/1214:30SOF - LHR
Nonstop3h 30mBritish Airways
Sat 3/106:05LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 31/8£114
Thu 9/1016:05SOF - LHR
1 stop22h 25mAir Serbia
Sun 12/1019:25LHR - SOF
1 stop5h 30mAir Serbia
Deal found 31/8£124
Tue 21/1016:05SOF - LHR
1 stop22h 25mAir Serbia
Wed 29/1013:20LHR - SOF
1 stop11h 40mAir Serbia
Deal found 31/8£125
Thu 25/905:20SOF - LHR
1 stop18h 40mLOT
Wed 8/1010:15LHR - SOF
1 stop13h 45mLOT
Deal found 30/8£126
Mon 6/1005:20SOF - LHR
1 stop18h 40mLOT
Thu 13/1106:30LHR - SOF
1 stop5h 20mLOT
Deal found 1/9£127
Fri 28/1118:35SOF - LHR
1 stop24h 45mLOT
Wed 3/1210:35LHR - SOF
1 stop25h 15mLOT
Deal found 1/9£127
Wed 15/1005:20SOF - LHR
1 stop6h 00mLOT
Wed 22/1010:15LHR - SOF
1 stop5h 40mLOT
Deal found 31/8£128
Thu 16/1009:20VAR - LHR
1 stop10h 20mMultiple Airlines
Thu 23/1006:00LHR - VAR
1 stop7h 15mMultiple Airlines
Deal found 31/8£166

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 1 September 2025.
Use the filters below to find and compare flights from Bulgaria to London Heathrow Airport that are best for you.

Fly from

Bulgaria

Fly to

Heathrow

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 5/11

21:00-22:30

Nonstop3h 30m

London Heathrow

Sun 9/11

07:50-13:00

Nonstop3h 10m

£103

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 27/10

17:25-18:55

Nonstop3h 30m

London Heathrow

Sun 2/11

07:50-13:00

Nonstop3h 10m

£107

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 15/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sat 22/11

06:05-11:15

Nonstop3h 10m

£110

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 29/10

21:00-22:30

Nonstop3h 30m

London Heathrow

Sun 2/11

07:50-13:00

Nonstop3h 10m

£113

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 8/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sun 9/11

07:50-13:00

Nonstop3h 10m

£115

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 6/10

16:05-12:30

1 stop22h 25m

London Heathrow

Sun 12/10

13:30-02:55

1 stop11h 25m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 8/10

18:40-17:20

1 stop24h 40m

London Heathrow

Tue 28/10

18:20-17:50

1 stop21h 30m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 9/10

16:05-12:30

1 stop22h 25m

London Heathrow

Sun 12/10

13:30-02:55

1 stop11h 25m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 23/10

05:00-12:30

1 stop9h 30m

London Heathrow

Thu 30/10

13:20-03:00

1 stop11h 40m

£124

VarnaLondon

VAR - LHR

VARLHR

Varna

Thu 16/10

09:20-17:40

1 stop10h 20m

London Heathrow

Thu 23/10

06:00-15:15

1 stop7h 15m

£166

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 52 results
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, January is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £112). Flying from Bulgaria to London Heathrow Airport in August is currently the most expensive (average of £164). 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 1 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bulgaria to London Heathrow Airport as you normally would.

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 1 September 2025.
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.

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Entertainment

7.0

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Entertainment

7.0

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Entertainment

7.0

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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 British Airways, Air Serbia, and Austrian Airlines fly from Bulgaria to London Heathrow Airport in about 3h 30m. The time it takes to get you to your destination can typically vary by up to 18h 55m. 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 (£44), Aegean Airlines (£46), and Air Serbia (£61).

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

  • What are the most reliable airlines from Bulgaria to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Bulgaria to London Heathrow Airport consider choosing Bulgaria Air (77%), American Airlines (59%) or British Airways (59%) as they are the most reliable in getting you off to your destination on time.

  • 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 £154, our data indicates the cheapest price to be £55. The most popular route (Sofia - London Heathrow), is priced around £103.

  • 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, January is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £112). Flying from Bulgaria to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Croydon
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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.

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 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Bulgaria AirCheapest£96Average£193FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
British AirwaysCheapest£106Average£121FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£124Average£171FlexibilityNo 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.