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Cheap flights from London Heathrow Airport to Bulgaria from £71

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.
LHR — SOF
26 Jul — 2 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Bulgaria

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Bulgaria
Explore the most affordable flight options available from Heathrow to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 June 2026.

Wed 26/810:20
LHR
-
SOF
1 stop25h 30m
LOT
Tue 29/918:45
SOF
-
LHR
1 stop24h 25m
LOT
Deal found 25/6£124
Tue 25/806:30
LHR
-
SOF
1 stop5h 20m
LOT
Tue 29/918:45
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 24/6£124
Fri 25/906:30
LHR
-
SOF
1 stop5h 20m
LOT
Sat 3/1018:45
SOF
-
LHR
1 stop24h 25m
LOT
Deal found 25/6£125
Thu 26/1106:30
LHR
-
SOF
1 stop9h 20m
LOT
Mon 30/1118:35
SOF
-
LHR
1 stop5h 25m
LOT
Deal found 24/6£130
Wed 23/918:10
LHR
-
SOF
1 stop21h 50m
LOT
Wed 30/914:35
SOF
-
LHR
1 stop28h 35m
LOT
Deal found 24/6£131
Fri 25/906:30
LHR
-
SOF
1 stop5h 20m
LOT
Sun 4/1014:35
SOF
-
LHR
1 stop28h 35m
LOT
Deal found 25/6£133
Wed 30/906:30
LHR
-
SOF
1 stop5h 25m
LOT
Fri 2/1014:35
SOF
-
LHR
1 stop9h 25m
LOT
Deal found 25/6£138
Tue 13/1006:30
LHR
-
SOF
1 stop5h 20m
LOT
Wed 21/1018:45
SOF
-
LHR
1 stop24h 25m
LOT
Deal found 21/6£140
Wed 19/809:55
LHR
-
SOF
1 stop13h 40m
Multiple Airlines
Sat 26/916:00
SOF
-
LHR
1 stop5h 05m
Multiple Airlines
Deal found 24/6£143
Fri 4/920:50
LHR
-
VAR
1 stop13h 45m
Multiple Airlines
Sat 19/905:00
VAR
-
LHR
1 stop17h 05m
Multiple Airlines
Deal found 24/6£188
Thu 24/906:00
LHR
-
BOJ
1 stop7h 15m
Austrian Airlines
Sat 26/911:20
BOJ
-
LHR
1 stop12h 20m
Austrian Airlines
Deal found 22/6£190
Thu 1/1006:30
LHR
-
BOJ
1 stop7h 25m
Multiple Airlines
Thu 8/1016:50
BOJ
-
LHR
1 stop7h 10m
Multiple Airlines
Deal found 23/6£195

Find flight deals from Heathrow to Bulgaria

Keep the following information in mind while searching for Heathrow to Bulgaria flight deals. Data was last updated 26 June 2026.

Round-trip from

£124

One-way from

£71

Popular in

December

Cheapest in

November

Average price

£114

Good round-trip deal

£259 or less

Good one-way deal

£149 or less
LOT
  • LOT
  • 26/8-29/9
  • 2 total stops
  • 49h 55m total
  • London to Bulgaria
Search Deals
British Airways
  • British Airways
  • 7/11
  • Nonstop
  • 3h 10m total
  • London to Bulgaria
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£9 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 London Heathrow to Bulgaria.
Search Deals
Price to beat on a one-way flight from London Heathrow to Bulgaria.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Bulgaria 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 26 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 20/11

06:35-13:15

1 stop4h 40m

Sofia

Mon 23/11

15:00-19:15

1 stop6h 15m

£182

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 20/8

18:40-12:10

2 stops15h 30m

Sofia

Mon 21/9

15:40-19:20

1 stop5h 40m

£211
Fastest return journey

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 24/8

14:05-19:20

Nonstop3h 15m

Sofia

Wed 23/9

21:25-22:45

Nonstop3h 20m

£217

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Tue 1/9

06:00-12:50

1 stop4h 50m

Varna

Tue 8/9

21:10-07:55

1 stop12h 45m

£219

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 22/8

06:00-12:55

1 stop4h 55m

Sofia

Wed 30/9

12:55-21:45

2 stops10h 50m

£224

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 13/8

20:25-09:00

1 stop10h 35m

Varna

Mon 17/8

20:20-08:40

1 stop14h 20m

£227

LondonBurgas

LHR - BOJ

LHRBOJ

London Heathrow

Mon 21/9

19:30-12:20

1 stop14h 50m

Bourgas

Tue 29/9

13:05-21:40

1 stop10h 35m

£227

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 24/10

08:55-14:05

Nonstop3h 10m

Sofia

Sat 31/10

10:40-12:10

Nonstop3h 30m

£239

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 25/9

08:10-13:25

Nonstop3h 15m

Sofia

Sun 4/10

21:05-22:25

Nonstop3h 20m

£242

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 24/10

20:05-14:15

2 stops16h 10m

Sofia

Mon 26/10

15:00-21:25

2 stops8h 25m

£243

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Bulgaria

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

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Bulgaria (average of £44). Flying from London Heathrow Airport to Bulgaria in August is currently the most expensive (average of £146). 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 LHR to BG?

Find hourly flight availability from Heathrow to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 June 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from London Heathrow Airport to Bulgaria by exploring options for tickets in the evening.

How often are flights from London to Bulgaria delayed?

About 12% of weekly flights between London and Bulgaria have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for London to Bulgaria flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon 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 London to Bulgaria flights?

Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 9% of flights being delayed.

How far ahead should I book a flight from London Heathrow Airport to Bulgaria?

The price you pay for your flight from London Heathrow Airport to Bulgaria may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated 26 June 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Bulgaria, such as Austrian Airlines,LOT, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
939 reviews
Check prices

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Austrian Airlines
7.6
Good
939 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
LOT
7.5
Good
1,205 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Lufthansa
6.8
Okay
8,096 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
British Airways
6.7
Okay
8,071 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Related info for your journey

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

    There are many flights that can get you from London Heathrow Airport to Bulgaria in 3h 15m. Fly via SWISS, British Airways, or Lufthansa to get the fastest option. The distance from London Heathrow Airport to Bulgaria is about 1267 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as £45 on Wizz Air. Other airlines that offer cheap prices include British Airways from £71 and Bulgaria Air from £88 one-way.

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

    While some choose either London Heathrow - Bourgas or London Heathrow - Varna, London Heathrow - Sofia is the most popular route from London Heathrow Airport to Bulgaria.

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

    Looking at all options, your cheapest flight can be booked for £104. While the most popular route (London Heathrow - Sofia) can be booked for £145 on average, our data indicates £252 when flying from London Heathrow Airport to Bulgaria.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Bulgaria (average of £44). Flying from London Heathrow Airport to Bulgaria in August is currently the most expensive (average of £146). 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

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Alternative routes for Heathrow to Bulgaria

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Top 6 airlines flying from Heathrow to Bulgaria

Discover the top 6 airlines that operate flights from Heathrow to Bulgaria. 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 26 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£44Average£157FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
British AirwaysCheapest£114Average£194FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£145Average£226FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£154Average£252FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
LufthansaCheapest£157Average£227FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest£164Average£260FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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 Heathrow to Bulgaria?

Cheapflights helps you search for flights from Heathrow to Bulgaria via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bulgaria from Heathrow.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Bulgaria flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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