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Cheap flights from Bulgaria to London from £46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bulgaria to London departing on 30/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Bulgaria to London

Recent return flight deals from Bulgaria to London

Enter your travel dates to find the best prices.
British Airways Logo
12:05 - 13:50SOF-LHR
3h 45mdirect
British Airways Logo
06:05 - 11:15LHR-SOF
3h 10mdirect
£109British Airways
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Sat, 22 Nov - Sat, 29 Nov
British Airways Logo
12:05 - 13:50SOF-LHR
3h 45mdirect
British Airways Logo
06:05 - 11:15LHR-SOF
3h 10mdirect
£110British Airways
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Multiple Airlines Logo
17:25 - 18:55SOF-LHR
3h 30mdirect
Multiple Airlines Logo
22:15 - 19:30LHR-SOF
19h 15m1 stop
£122Multiple Airlines
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Mon, 24 Nov - Mon, 1 Dec
Multiple Airlines Logo
17:25 - 18:55SOF-LHR
3h 30mdirect
Multiple Airlines Logo
22:15 - 19:30LHR-SOF
19h 15m1 stop
£122Multiple Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Air Serbia Logo
16:00 - 12:20SOF-LHR
22h 20m1 stop
Air Serbia Logo
13:20 - 15:30LHR-SOF
24h 10m1 stop
£126Air Serbia
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Mon, 10 Nov - Tue, 18 Nov
Aegean Airlines Logo
11:15 - 21:15SOF-LHR
12h 00m1 stop
Aegean Airlines Logo
22:15 - 19:30LHR-SOF
19h 15m1 stop
£136Aegean Airlines
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Mon, 24 Nov - Mon, 1 Dec
Aegean Airlines Logo
20:20 - 21:15SOF-LHR
26h 55m1 stop
Aegean Airlines Logo
22:15 - 19:30LHR-SOF
19h 15m1 stop
£140Aegean Airlines
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Fri, 7 Nov - Mon, 10 Nov
LOT Logo
18:35 - 22:00SOF-LHR
5h 25m1 stop
LOT Logo
06:30 - 13:50LHR-SOF
5h 20m1 stop
£142LOT
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Thu, 6 Nov - Thu, 13 Nov
LOT Logo
05:20 - 22:00SOF-LHR
18h 40m1 stop
LOT Logo
06:30 - 13:50LHR-SOF
5h 20m1 stop
£143LOT
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Sat, 25 Oct - Sun, 26 Oct
Air Serbia Logo
05:00 - 12:30SOF-LHR
9h 30m1 stop
Air Serbia Logo
13:20 - 15:30LHR-SOF
24h 10m1 stop
£149Air Serbia
Find Deal
Mon, 20 Oct - Tue, 28 Oct

Air Serbia flights from Bulgaria to London Heathrow Airport

Our best Air Serbia deals on Bulgaria to London Heathrow Airport flight tickets
Air Serbia
10 Nov
SOF16:00Sofia
22h 20m
1 stop
LHR12:20London Heathrow
18 Nov
LHR13:20London Heathrow
24h 10m
1 stop
SOF15:30Sofia
£126
Find similar
Air Serbia
20 Oct
SOF05:00Sofia
9h 30m
1 stop
LHR12:30London Heathrow
28 Oct
LHR13:20London Heathrow
24h 10m
1 stop
SOF15:30Sofia
£149
Find similar
Air Serbia
31 Oct
SOF05:00Sofia
9h 20m
1 stop
LHR12:20London Heathrow
17 Nov
LHR13:20London Heathrow
11h 40m
1 stop
SOF03:00Sofia
£156
Find similar

Aegean Airlines flights from Bulgaria to London Heathrow Airport

Our best Aegean Airlines deals on Bulgaria to London Heathrow Airport flight tickets
Aegean Airlines
24 Nov
SOF11:15Sofia
12h 00m
1 stop
LHR21:15London Heathrow
1 Dec
LHR22:15London Heathrow
19h 15m
1 stop
SOF19:30Sofia
£136
Find similar
Aegean Airlines
7 Nov
SOF20:20Sofia
26h 55m
1 stop
LHR21:15London Heathrow
10 Nov
LHR22:15London Heathrow
19h 15m
1 stop
SOF19:30Sofia
£140
Find similar
Aegean Airlines
27 Nov
SOF16:20Sofia
6h 55m
1 stop
LHR21:15London Heathrow
1 Dec
LHR22:15London Heathrow
19h 15m
1 stop
SOF19:30Sofia
£141
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Bulgaria to London Heathrow Airport 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 10 October 2025.
Use the filters below to find and compare flights from Bulgaria to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 22/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sat 29/11

06:05-11:15

Nonstop3h 10m

£109

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 22/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sat 29/11

06:05-11:15

Nonstop3h 10m

£110

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 24/11

17:25-18:55

Nonstop3h 30m

London Heathrow

Mon 1/12

22:15-19:30

1 stop19h 15m

£122

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 24/11

17:25-18:55

Nonstop3h 30m

London Heathrow

Mon 1/12

22:15-19:30

1 stop19h 15m

£122

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 10/11

16:00-12:20

1 stop22h 20m

London Heathrow

Tue 18/11

13:20-15:30

1 stop24h 10m

£126

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 24/11

11:15-21:15

1 stop12h 00m

London Heathrow

Mon 1/12

22:15-19:30

1 stop19h 15m

£136

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 7/11

20:20-21:15

1 stop26h 55m

London Heathrow

Mon 10/11

22:15-19:30

1 stop19h 15m

£140

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 6/11

18:35-22:00

1 stop5h 25m

London Heathrow

Thu 13/11

06:30-13:50

1 stop5h 20m

£142

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

05:20-22:00

1 stop18h 40m

London Heathrow

Sun 26/10

06:30-13:50

1 stop5h 20m

£143

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 20/10

05:00-12:30

1 stop9h 30m

London Heathrow

Tue 28/10

13:20-15:30

1 stop24h 10m

£149

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Bulgaria to London Heathrow Airport

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 London Heathrow Airport?

In general, November is the cheapest month to fly from Bulgaria to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £132. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Bulgaria averaging around £152.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Bulgaria is on a Thursday. momondo users have found tickets for Thursday departures for as low as £118. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £229.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Bulgaria to London Heathrow Airport in the evening for as low as £122. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £247 on average. Flights to London Heathrow Airport from Bulgaria at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Bulgaria to London Heathrow flight route?

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

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

There are 3 cabin classes available to choose from on Bulgaria to London Heathrow 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 Bulgaria to London Heathrow Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Bulgaria to London Heathrow Airport flight.

Cheap Bulgaria to London Heathrow Airport flight deals and tips

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

Best price found

£98

Fastest flight time

3h 15m

Direct flights

Mon, Tue, Thu, Sat and Sun
The best one-way flight to London Heathrow Airport from Bulgaria in the past 72 hours is £98. The best return flight deal from Bulgaria to London Heathrow Airport found on momondo in the last 72 hours is £136.
The fastest flight from Bulgaria to London Heathrow Airport takes 3h 15m
Direct flights go from Bulgaria to London Heathrow Airport on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
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  • When did momondo last update prices for flights from Bulgaria to London Heathrow Airport?

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bulgaria to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 London Heathrow Airport. 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 Bulgaria to London Heathrow Airport?

Best airlines flying from Bulgaria to London Heathrow Airport

Compare and see reviews for airlines that fly from Bulgaria to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £110Free CancellationRating
6.7
7,446 reviews
Search British Airways flights
LOTPriceFrom £126Free CancellationRating
7.6
1,129 reviews
Search LOT flights
Bulgaria AirPriceFrom £167Free CancellationRating
8.0
60 reviews
Search Bulgaria Air flights

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Why use momondo?

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

It is quick and easy to find Bulgaria to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Bulgaria with this policy.

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

Once all potential Bulgaria to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Bulgaria to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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