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Cheap flights from London Heathrow Airport to Bulgaria from £69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Bulgaria departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Bulgaria

Cheap return flights

British Airways Logo
06:05 - 11:15LHR-SOF
3h 10mdirect
British Airways Logo
17:25 - 18:55SOF-LHR
3h 30mdirect
£103British Airways
Find Deal
Sat, 8 Nov - Mon, 10 Nov
British Airways Logo
06:05 - 11:15LHR-SOF
3h 10mdirect
British Airways Logo
14:30 - 16:00SOF-LHR
3h 30mdirect
£109British Airways
Find Deal
Sat, 15 Nov - Sun, 23 Nov
LOT Logo
06:30 - 13:50LHR-SOF
5h 20m1 stop
LOT Logo
14:35 - 22:00SOF-LHR
9h 25m1 stop
£149LOT
Find Deal
Wed, 8 Oct - Wed, 22 Oct
LOT Logo
06:30 - 13:50LHR-SOF
5h 20m1 stop
LOT Logo
05:20 - 09:20SOF-LHR
6h 00m1 stop
£151LOT
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Air Serbia Logo
19:25 - 02:55LHR-SOF
5h 30m1 stop
Air Serbia Logo
16:05 - 12:30SOF-LHR
22h 25m1 stop
£152Air Serbia
Find Deal
Sun, 5 Oct - Thu, 16 Oct
Air Serbia Logo
13:30 - 15:35LHR-SOF
24h 05m1 stop
Air Serbia Logo
16:05 - 12:30SOF-LHR
22h 25m1 stop
£156Air Serbia
Find Deal
Wed, 15 Oct - Sat, 18 Oct
Lufthansa Logo
06:35 - 13:15LHR-SOF
4h 40m1 stop
Lufthansa Logo
19:05 - 22:55SOF-LHR
5h 50m1 stop
£157Lufthansa
Find Deal
Fri, 7 Nov - Mon, 10 Nov
Lufthansa Logo
07:40 - 22:45LHR-SOF
13h 05m1 stop
Lufthansa Logo
14:00 - 17:05SOF-LHR
5h 05m1 stop
£161Lufthansa
Find Deal
Sun, 9 Nov - Tue, 11 Nov
Austrian Airlines Logo
06:00 - 15:20LHR-SOF
7h 20m1 stop
Austrian Airlines Logo
16:05 - 18:40SOF-LHR
4h 35m1 stop
£169Austrian Airlines
Find Deal
Tue, 30 Sep - Sat, 4 Oct
Austrian Airlines Logo
19:30 - 11:40LHR-SOF
14h 10m1 stop
Austrian Airlines Logo
18:55 - 08:20SOF-LHR
15h 25m1 stop
£171Austrian Airlines
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Sat, 20 Sep - Tue, 30 Sep

Air Serbia flights from London Heathrow Airport to Bulgaria

Our best Air Serbia deals on London Heathrow Airport to Bulgaria flight tickets
Air Serbia
5 Oct
LHR19:25London Heathrow
5h 30m
1 stop
SOF02:55Sofia
16 Oct
SOF16:05Sofia
22h 25m
1 stop
LHR12:30London Heathrow
£152
Find similar
Air Serbia
15 Oct
LHR13:30London Heathrow
24h 05m
1 stop
SOF15:35Sofia
18 Oct
SOF16:05Sofia
22h 25m
1 stop
LHR12:30London Heathrow
£156
Find similar
Air Serbia
28 Sept
LHR19:25London Heathrow
6h 05m
1 stop
VAR03:30Varna
4 Oct
VAR04:30Varna
16h 35m
1 stop
LHR19:05London Heathrow
£168
Find similar

British Airways flights from London Heathrow Airport to Bulgaria

Our best British Airways deals on London Heathrow Airport to Bulgaria flight tickets
British Airways
8 Nov
LHR06:05London Heathrow
3h 10m
SOF11:15Sofia
10 Nov
SOF17:25Sofia
3h 30m
LHR18:55London Heathrow
£103
Find similar
British Airways
15 Nov
LHR06:05London Heathrow
3h 10m
SOF11:15Sofia
23 Nov
SOF14:30Sofia
3h 30m
LHR16:00London Heathrow
£109
Find similar
British Airways
8 Nov
LHR06:05London Heathrow
3h 10m
SOF11:15Sofia
12 Nov
SOF21:00Sofia
3h 30m
LHR22:30London Heathrow
£109
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 12 September 2025.
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

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 8/11

06:05-11:15

Nonstop3h 10m

Sofia

Mon 10/11

17:25-18:55

Nonstop3h 30m

£103

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 15/11

06:05-11:15

Nonstop3h 10m

Sofia

Sun 23/11

14:30-16:00

Nonstop3h 30m

£109

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 8/10

06:30-13:50

1 stop5h 20m

Sofia

Wed 22/10

14:35-22:00

1 stop9h 25m

£149

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 8/10

06:30-13:50

1 stop5h 20m

Sofia

Wed 15/10

05:20-09:20

1 stop6h 00m

£151

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 5/10

19:25-02:55

1 stop5h 30m

Sofia

Thu 16/10

16:05-12:30

1 stop22h 25m

£152

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/10

13:30-15:35

1 stop24h 05m

Sofia

Sat 18/10

16:05-12:30

1 stop22h 25m

£156

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 7/11

06:35-13:15

1 stop4h 40m

Sofia

Mon 10/11

19:05-22:55

1 stop5h 50m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 9/11

07:40-22:45

1 stop13h 05m

Sofia

Tue 11/11

14:00-17:05

1 stop5h 05m

£161

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 30/9

06:00-15:20

1 stop7h 20m

Sofia

Sat 4/10

16:05-18:40

1 stop4h 35m

£169

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 20/9

19:30-11:40

1 stop14h 10m

Sofia

Tue 30/9

18:55-08:20

1 stop15h 25m

£171

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from London Heathrow Airport to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bulgaria?

The month of November is, on average, the cheapest month to fly to Bulgaria from London Heathrow Airport, with most prices found around £139. If you’re not able to fly to Bulgaria in November, then January is your next best option. Flight prices from London Heathrow Airport to Bulgaria during January average around £145.

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart on your flight to Bulgaria is on a Tuesday when prices can be found for as low as £195. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £236.

What is the cheapest time of day to depart on your flight to Bulgaria?

Our most recent data shows that the best time of day to fly to Bulgaria is at midday. Flights from London Heathrow Airport to Bulgaria during this time can be as low as £177. Flights to Bulgaria are more costly in the afternoon, with an average ticket price of £230. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Bulgaria flight route?

Fly from London Heathrow to Sofia for the best London Heathrow - Bulgaria flight prices

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around £199 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from London Heathrow Airport for as low as £158 on momondo.

What cabin class options are available on London Heathrow to Bulgaria flights?

There are 2 cabin classes available to choose from on London Heathrow to Bulgaria flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Bulgaria flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Bulgaria.

Cheap London Heathrow Airport to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Bulgaria

Best price found

£129

Fastest flight time

3h 00m

Direct flights

Mon, Tue, Sat and Sun

Airports in Bulgaria

1 airport
The best one-way flight to Bulgaria from London Heathrow Airport in the past 72 hours is £129. The best return flight deal from London Heathrow Airport to Bulgaria found on momondo in the last 72 hours is £190.
The fastest flight from London Heathrow Airport to Bulgaria takes 3h 00m
Direct flights go from London Heathrow Airport to Bulgaria on Monday, Tuesday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Bulgaria: Sofia (SOF)
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to Bulgaria?

    Prices for flights from London Heathrow Airport to Bulgaria refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Bulgaria?

  • How old do you have to be to fly from London Heathrow Airport to Bulgaria?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Bulgaria?

Best airlines flying from London Heathrow Airport to Bulgaria

Compare and see reviews for airlines that fly from London Heathrow Airport to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom £36Free CancellationRating
6.8
1,051 reviews
Search Wizz Air flights
RyanairPriceFrom £43Free CancellationRating
6.8
5,158 reviews
Search Ryanair flights
Air SerbiaPriceFrom £53Free CancellationRating
6.2
200 reviews
Search Air Serbia flights
British AirwaysPriceFrom £96Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LOTPriceFrom £138Free CancellationRating
7.6
1,114 reviews
Search LOT flights
LufthansaPriceFrom £140Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Bulgaria AirPriceFrom £154Free CancellationRating
8.0
59 reviews
Search Bulgaria Air flights
Austrian AirlinesPriceFrom £156Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
EurowingsPriceFrom £297Free CancellationRating
6.6
281 reviews
Search Eurowings flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Bulgaria?

Finding the right flight to Bulgaria from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

Can I find flights from London to Bulgaria with flexible booking policies on momondo?

All flight searches from London to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Bulgaria?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bulgaria from London.

I’m not ready to book a flight from London to Bulgaria right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bulgaria, momondo offers a useful price alert feature which will track prices for flights to Bulgaria from London and alert you when they change.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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