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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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£141

One-way from

£68

Popular in

July

Cheapest in

March

Average price

£146

Good round-trip deal

£197 or less

Good one-way deal

£106 or less
LOT
  • LOT
  • 6/8-25/8
  • 2 total stops
  • 36h 20m total
  • Bulgaria to London
15/9
  • 15/9
  • 1 total stop
  • 22h 45m total
  • Bulgaria to London
Highest demand for flights based on searches. 23% potential increase in price (£21 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in July 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 11 July 2025.

Wed 6/805:20SOF - LHR
1 stop18h 40mLOT
Mon 25/818:10LHR - SOF
1 stop17h 40mLOT
Deal found 11/7£141
Sat 25/1005:00SOF - LHR
1 stop9h 30mAir Serbia
Sun 2/1113:20LHR - SOF
1 stop11h 40mAir Serbia
Deal found 10/7£155
Mon 8/918:55SOF - LHR
1 stop15h 50mMultiple Airlines
Fri 12/908:20LHR - SOF
Nonstop3h 10mMultiple Airlines
Deal found 9/7£176
Wed 23/706:00SOF - LHR
1 stop14h 25mLufthansa
Tue 29/709:00LHR - SOF
1 stop7h 40mLufthansa
Deal found 11/7£180
Wed 23/718:25BOJ - LHR
1 stop6h 15mLufthansa
Sat 26/719:10LHR - BOJ
1 stop12h 05mLufthansa
Deal found 9/7£182
Sat 13/906:25SOF - LHR
Nonstop3h 40mBulgaria Air
Wed 17/917:55LHR - SOF
Nonstop3h 20mBulgaria Air
Deal found 10/7£189
Mon 11/818:55SOF - LHR
1 stop15h 25mAustrian Airlines
Wed 20/809:05LHR - SOF
1 stop7h 05mAustrian Airlines
Deal found 10/7£193
Sat 25/1012:45SOF - LHR
2 stops22h 20mSWISS
Sun 2/1108:55LHR - SOF
1 stop27h 20mSWISS
Deal found 10/7£196
Thu 31/703:35VAR - LHR
1 stop8h 15mTurkish Airlines
Tue 5/822:25LHR - VAR
1 stop8h 20mTurkish Airlines
Deal found 9/7£216
Tue 5/821:00VAR - LHR
1 stop12h 55mSWISS
Tue 12/812:10LHR - VAR
1 stop6h 00mSWISS
Deal found 11/7£249
Mon 4/810:45BOJ - LHR
1 stop10h 00mEurowings
Wed 13/808:50LHR - BOJ
1 stop8h 30mEurowings
Deal found 10/7£255
Tue 5/821:00VAR - LHR
1 stop12h 55mMultiple Airlines
Tue 12/820:25LHR - VAR
2 stops14h 20mMultiple Airlines
Deal found 11/7£262

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 11 July 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 6/8

05:20-22:00

1 stop18h 40m

London Heathrow

Mon 25/8

18:10-13:50

1 stop17h 40m

£141

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

05:00-12:30

1 stop9h 30m

London Heathrow

Sun 2/11

13:20-03:00

1 stop11h 40m

£155

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 8/9

18:55-08:45

1 stop15h 50m

London Heathrow

Fri 12/9

08:20-13:30

Nonstop3h 10m

£176

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 23/7

06:00-18:25

1 stop14h 25m

London Heathrow

Tue 29/7

09:00-18:40

1 stop7h 40m

£180

BurgasLondon

BOJ - LHR

BOJLHR

Bourgas

Wed 23/7

18:25-22:40

1 stop6h 15m

London Heathrow

Sat 26/7

19:10-09:15

1 stop12h 05m

£182

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 13/9

06:25-08:05

Nonstop3h 40m

London Heathrow

Wed 17/9

17:55-23:15

Nonstop3h 20m

£189

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 11/8

18:55-08:20

1 stop15h 25m

London Heathrow

Wed 20/8

09:05-18:10

1 stop7h 05m

£193

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

12:45-09:05

2 stops22h 20m

London Heathrow

Sun 2/11

08:55-14:15

1 stop27h 20m

£196

VarnaLondon

VAR - LHR

VARLHR

Varna

Thu 31/7

03:35-09:50

1 stop8h 15m

London Heathrow

Tue 5/8

22:25-08:45

1 stop8h 20m

£216

VarnaLondon

VAR - LHR

VARLHR

Varna

Tue 5/8

21:00-07:55

1 stop12h 55m

London Heathrow

Tue 12/8

12:10-20:10

1 stop6h 00m

£249

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 33 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 11 July 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 11 July 2025.
Read reviews from past customers who have flown with Aegean Airlines, LOT, andAustrian Airlines 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

8.2

Food

7.4

Crew

8.6

Entertainment

6.9

Boarding

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Overall

8.2

Food

7.4

Crew

8.6

Entertainment

6.9

Boarding

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Overall

8.2

Food

7.4

Crew

8.6

Entertainment

6.9

Boarding

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Overall

8.2

Food

7.4

Crew

8.6

Entertainment

6.9

Boarding

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Overall

8.2

Food

7.4

Crew

8.6

Entertainment

6.9

Boarding

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Overall

8.2

Food

7.4

Crew

8.6

Entertainment

6.9

Boarding

7.8

Comfort

7.8

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 (£71), Aegean Airlines (£74), and LOT (£92).

  • 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 (56%), American Airlines (52%) or British Airways (52%) 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 £155, our data indicates the cheapest price to be £73. The most popular route (Sofia - London Heathrow), is priced around £161.

  • 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
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

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 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£54Average£101FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Bulgaria AirCheapest£88Average£192FlexibilityNo 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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