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Cheap flights from London Heathrow Airport to Sofia from C$ 126

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 Sofia departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Sofia

Cheap round-trip flights

British Airways Logo
2:55 p.m. - 8:10 p.m.LHR-SOF
3h 15mdirect
British Airways Logo
12:05 p.m. - 1:50 p.m.SOF-LHR
3h 45mdirect
C$ 258British Airways
Find Deal
mié., 12 nov. - sáb., 15 nov.
Air Serbia Logo
1:30 p.m. - 3:35 p.m.LHR-SOF
24h 05m1 stop
Air Serbia Logo
4:05 p.m. - 12:30 p.m.SOF-LHR
22h 25m1 stop
C$ 266Air Serbia
Find Deal
mié., 10 sep. - mar., 16 sep.
British Airways Logo
11:10 a.m. - 4:20 p.m.LHR-SOF
3h 10mdirect
British Airways Logo
12:05 p.m. - 1:50 p.m.SOF-LHR
3h 45mdirect
C$ 268British Airways
Find Deal
lun., 12 ene. - sáb., 17 ene.
Lufthansa Logo
11:10 a.m. - 6:20 p.m.LHR-SOF
5h 10m1 stop
Lufthansa Logo
7:05 p.m. - 10:55 p.m.SOF-LHR
5h 50m1 stop
C$ 288Lufthansa
Find Deal
jue., 30 oct. - mié., 5 nov.
Lufthansa Logo
1:45 p.m. - 11:00 p.m.LHR-SOF
7h 15m1 stop
Lufthansa Logo
6:00 a.m. - 6:25 p.m.SOF-LHR
14h 25m1 stop
C$ 290Lufthansa
Find Deal
mar., 12 ago. - sáb., 6 sep.
SWISS Logo
6:40 p.m. - 10:05 a.m.LHR-SOF
13h 25m1 stop
SWISS Logo
1:15 p.m. - 4:25 p.m.SOF-LHR
5h 10m1 stop
C$ 306SWISS
Find Deal
mar., 7 oct. - mar., 14 oct.
Austrian Airlines Logo
6:00 a.m. - 11:40 a.m.LHR-SOF
27h 40m1 stop
Austrian Airlines Logo
12:25 p.m. - 8:45 a.m.SOF-LHR
22h 20m1 stop
C$ 310Austrian Airlines
Find Deal
lun., 8 sep. - sáb., 13 sep.
Austrian Airlines Logo
7:25 p.m. - 11:50 a.m.LHR-SOF
14h 25m1 stop
Austrian Airlines Logo
12:35 p.m. - 9:40 p.m.SOF-LHR
11h 05m1 stop
C$ 312Austrian Airlines
Find Deal
sáb., 27 dic. - mié., 7 ene.
SWISS Logo
8:05 p.m. - 12:30 p.m.LHR-SOF
14h 25m1 stop
SWISS Logo
10:50 a.m. - 7:55 a.m.SOF-LHR
23h 05m1 stop
C$ 315SWISS
Find Deal
lun., 8 sep. - mié., 10 sep.
Logo
6:00 a.m. - 2:45 p.m.LHR-SOF
6h 45m1 stop
Logo
6:55 p.m. - 9:40 p.m.SOF-LHR
4h 45m1 stop
C$ 346
Find Deal
lun., 15 sep. - lun., 15 sep.

British Airways flights from London Heathrow Airport to Sofia

Our best British Airways deals on London Heathrow Airport to Sofia flight tickets
British Airways
12 Nov
LHR2:55 p.m.London Heathrow
3h 15m
SOF8:10 p.m.Sofia
15 Nov
SOF12:05 p.m.Sofia
3h 45m
LHR1:50 p.m.London Heathrow
C$ 258
Find similar
British Airways
12 Jan
LHR11:10 a.m.London Heathrow
3h 10m
SOF4:20 p.m.Sofia
17 Jan
SOF12:05 p.m.Sofia
3h 45m
LHR1:50 p.m.London Heathrow
C$ 268
Find similar
British Airways
12 Jan
LHR11:10 a.m.London Heathrow
3h 10m
SOF4:20 p.m.Sofia
17 Jan
SOF12:05 p.m.Sofia
3h 45m
LHR1:50 p.m.London Heathrow
C$ 270
Find similar

Air Serbia flights from London Heathrow Airport to Sofia

Our best Air Serbia deals on London Heathrow Airport to Sofia flight tickets
Air Serbia
10 Sep
LHR1:30 p.m.London Heathrow
24h 05m
1 stop
SOF3:35 p.m.Sofia
16 Sep
SOF4:05 p.m.Sofia
22h 25m
1 stop
LHR12:30 p.m.London Heathrow
C$ 266
Find similar
Air Serbia
27 Sep
LHR7:55 p.m.London Heathrow
17h 40m
1 stop
SOF3:35 p.m.Sofia
3 Oct
SOF4:05 p.m.Sofia
22h 25m
1 stop
LHR12:30 p.m.London Heathrow
C$ 269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Sofia 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 96,600 searches. Data last updated 31 julio 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mié. 12/11

2:55 p.m.-8:10 p.m.

Nonstop3h 15m

Sofia

sáb. 15/11

12:05 p.m.-1:50 p.m.

Nonstop3h 45m

C$ 258

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mié. 10/9

1:30 p.m.-3:35 p.m.

1 stop24h 05m

Sofia

mar. 16/9

4:05 p.m.-12:30 p.m.

1 stop22h 25m

C$ 266

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

lun. 12/1

11:10 a.m.-4:20 p.m.

Nonstop3h 10m

Sofia

sáb. 17/1

12:05 p.m.-1:50 p.m.

Nonstop3h 45m

C$ 268

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

jue. 30/10

11:10 a.m.-6:20 p.m.

1 stop5h 10m

Sofia

mié. 5/11

7:05 p.m.-10:55 p.m.

1 stop5h 50m

C$ 288

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mar. 12/8

1:45 p.m.-11:00 p.m.

1 stop7h 15m

Sofia

sáb. 6/9

6:00 a.m.-6:25 p.m.

1 stop14h 25m

C$ 290

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mar. 7/10

6:40 p.m.-10:05 a.m.

1 stop13h 25m

Sofia

mar. 14/10

1:15 p.m.-4:25 p.m.

1 stop5h 10m

C$ 306

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

lun. 8/9

6:00 a.m.-11:40 a.m.

1 stop27h 40m

Sofia

sáb. 13/9

12:25 p.m.-8:45 a.m.

1 stop22h 20m

C$ 310

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

sáb. 27/12

7:25 p.m.-11:50 a.m.

1 stop14h 25m

Sofia

mié. 7/1

12:35 p.m.-9:40 p.m.

1 stop11h 05m

C$ 312

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

lun. 8/9

8:05 p.m.-12:30 p.m.

1 stop14h 25m

Sofia

mié. 10/9

10:50 a.m.-7:55 a.m.

1 stop23h 05m

C$ 314

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

lun. 15/9

6:00 a.m.-2:45 p.m.

1 stop6h 45m

Sofia

lun. 15/9

6:55 p.m.-9:40 p.m.

1 stop4h 45m

C$ 346

Flights are sorted by cheapest round-trip flights first.

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

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

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 Sofia?

The cheapest month to fly to Sofia from London Heathrow Airport is in November. Flight prices, which tend to average around C$ 261, are often lower during this time because this is during the off-season. If you are unable to visit Sofia during the month of November, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around C$ 269.

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

The cheapest day to depart from London Heathrow Airport to Sofia is on a Wednesday when prices can be found for as low as C$ 107. The most expensive day to fly to Sofia is Sunday, with ticket prices averaging around C$ 429.

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

Our most recent data shows that the best time of day to fly to Sofia is in the evening. Flights from London Heathrow Airport to Sofia during this time can be as low as C$ 92. Flights to Sofia are more costly in the morning, with an average ticket price of C$ 324. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Sofia flight route?

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

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

You are more likely to see cheaper flights to Sofia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around C$ 371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from London Heathrow Airport for as low as C$ 326 on momondo.

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

There are 1 cabin classes available to choose from on London Heathrow to Sofia 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 Sofia flights?

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

How have London Heathrow Airport to Sofia flight prices changed over time?

As of July 2025, prices for London Heathrow Airport to Sofia flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Sofia (LHR to SOF) flight deals and tips

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

Best price found

C$ 126

Fastest flight time

3h 10m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Sofia

1 airport
The best one-way flight to Sofia from London Heathrow Airport in the past 72 hours is C$ 126. The best round-trip flight deal from London Heathrow Airport to Sofia found on momondo in the last 72 hours is C$ 258.
The fastest flight from London Heathrow Airport to Sofia takes 3h 10m
Direct flights go from London Heathrow Airport to Sofia on Monday, Tuesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Bulgaria Air and British Airways.
There is 1 airport near Sofia: Sofia (SOF)
Search flight deals

  • How far is London Heathrow to Sofia by plane?

    There are 2033.4 km between London Heathrow and Sofia. Typically, this will take 3h 10m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Sofia Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sofia Airport.

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

    The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Travelling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Borovets
Bansko

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from London.

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

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

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

Once you have performed a search for London to Sofia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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Air Canada
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Porter Airlines
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Lufthansa
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