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Cheap flights from Bulgaria to London Heathrow Airport from £68

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£100

One-way from

£68

Popular in

July

Cheapest in

March

Average price

£99

Good round-trip deal

£192 or less

Good one-way deal

£96 or less
British Airways
  • British Airways
  • 7/11-18/11
  • Nonstop
  • 6h 45m total
  • Bulgaria to London
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23/7
  • 23/7
  • 1 total stop
  • 17h 15m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£20 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Bulgaria to London Heathrow.
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Price to beat on a one-way flight from Bulgaria to London Heathrow.
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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 13 June 2025.

Sat 25/1016:05SOF - LHR
1 stop5h 00mAir Serbia
Sun 2/1113:20LHR - SOF
1 stop11h 40mAir Serbia
Deal found 12/6£146
Fri 7/1106:05SOF - LHR
1 stop11h 45mLufthansa
Tue 18/1107:40LHR - SOF
1 stop13h 05mLufthansa
Deal found 11/6£151
Thu 4/918:40SOF - LHR
1 stop5h 20mLOT
Sat 27/910:15LHR - SOF
1 stop25h 35mLOT
Deal found 11/6£155
Fri 11/709:45VAR - LHR
1 stop14h 55mLufthansa
Thu 17/719:10LHR - VAR
1 stop11h 50mLufthansa
Deal found 12/6£156
Sat 26/718:55SOF - LHR
1 stop4h 45mMultiple Airlines
Tue 29/720:05LHR - SOF
1 stop12h 00mMultiple Airlines
Deal found 12/6£157
Wed 17/916:05SOF - LHR
1 stop7h 35mAustrian Airlines
Sun 21/909:05LHR - SOF
1 stop7h 05mAustrian Airlines
Deal found 11/6£163
Thu 10/713:35VAR - LHR
1 stop21h 10mAustrian Airlines
Tue 15/706:00LHR - VAR
1 stop4h 45mAustrian Airlines
Deal found 11/6£163
Thu 10/704:30VAR - LHR
1 stop10h 00mAir Serbia
Thu 17/713:30LHR - VAR
1 stop12h 00mAir Serbia
Deal found 11/6£165
Wed 6/815:20SOF - LHR
Nonstop3h 25mBulgaria Air
Mon 11/817:55LHR - SOF
Nonstop3h 20mBulgaria Air
Deal found 11/6£191
Wed 2/721:30VAR - LHR
1 stop12h 45mMultiple Airlines
Wed 9/706:00LHR - VAR
1 stop7h 15mMultiple Airlines
Deal found 12/6£202
Wed 23/718:25BOJ - LHR
1 stop6h 15mLufthansa
Sat 26/720:25LHR - BOJ
1 stop10h 50mLufthansa
Deal found 12/6£209
Tue 2/912:45SOF - LHR
2 stops31h 05mSWISS
Mon 15/920:05LHR - SOF
1 stop14h 25mSWISS
Deal found 11/6£224

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 13 June 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

Fri 7/11

20:15-21:50

Nonstop3h 35m

London Heathrow

Tue 18/11

11:55-17:05

Nonstop3h 10m

£100

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

16:05-19:05

1 stop5h 00m

London Heathrow

Sun 2/11

13:20-03:00

1 stop11h 40m

£146

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 7/11

06:05-15:50

1 stop11h 45m

London Heathrow

Tue 18/11

13:50-22:45

1 stop6h 55m

£151

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 4/7

14:35-22:00

1 stop9h 25m

London Heathrow

Sun 13/7

06:30-02:00

1 stop17h 30m

£153

VarnaLondon

VAR - LHR

VARLHR

Varna

Fri 11/7

09:45-22:40

1 stop14h 55m

London Heathrow

Thu 17/7

19:10-09:00

1 stop11h 50m

£156

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 26/7

18:55-21:40

1 stop4h 45m

London Heathrow

Tue 29/7

20:05-10:05

1 stop12h 00m

£157

VarnaLondon

VAR - LHR

VARLHR

Varna

Tue 8/7

13:35-18:40

1 stop7h 05m

London Heathrow

Tue 15/7

06:00-12:45

1 stop4h 45m

£162

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 2/9

18:55-09:00

1 stop16h 05m

London Heathrow

Sun 14/9

06:00-18:10

1 stop10h 10m

£163

VarnaLondon

VAR - LHR

VARLHR

Varna

Thu 10/7

04:30-12:30

1 stop10h 00m

London Heathrow

Thu 17/7

13:30-03:30

1 stop12h 00m

£165

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

06:25-08:05

Nonstop3h 40m

London Heathrow

Sun 2/11

08:45-13:55

Nonstop3h 10m

£195

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 45 results
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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 13 June 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 13 June 2025.
Read reviews from past customers who have flown Aegean Airlines, LOT and Austrian Airlines from Bulgaria to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Boarding

7.8

Comfort

7.9

Entertainment

7.0

Overall

8.2

Food

7.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very Good
759 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Boarding

7.8

Comfort

7.9

Entertainment

7.0

Overall

8.2

Food

7.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,079 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Boarding

7.8

Comfort

7.9

Entertainment

7.0

Overall

8.2

Food

7.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
802 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Boarding

7.8

Comfort

7.9

Entertainment

7.0

Overall

8.2

Food

7.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Air France
7.5
Good
1,463 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Boarding

7.8

Comfort

7.9

Entertainment

7.0

Overall

8.2

Food

7.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,624 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Boarding

7.8

Comfort

7.9

Entertainment

7.0

Overall

8.2

Food

7.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

  • 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 (£68), British Airways (£69), and Aegean Airlines (£79).

  • 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 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 (73%), American Airlines (63%) or British Airways (63%) 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 £76. The most popular route (Sofia - London Heathrow), is priced around £151.

  • 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 Bulgaria?

Book flights to Bulgaria if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

Browse thousands of different options on Cheapflights for your next trip

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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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Top 4 airlines flying from Bulgaria to Heathrow

Discover the top 4 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£54Average£105FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Bulgaria AirCheapest£88Average£186FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
British AirwaysCheapest£106Average£120FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£123Average£170FlexibilityNo 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.

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