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Cheap flights from London Heathrow Airport to Sofia from C$ 164

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 14/3. 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

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Find the cheapest flights from London Heathrow Airport to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:05 p.m. - 7:20 p.m.
LHR
-
SOF
3h 15mdirect
British Airways Logo
9:25 p.m. - 10:45 p.m.
SOF
-
LHR
3h 20mdirect
C$ 235British Airways
Mon, 27 Apr - Wed, 6 May
British Airways Logo
3:10 p.m. - 8:30 p.m.
LHR
-
SOF
3h 20mdirect
British Airways Logo
9:25 p.m. - 10:45 p.m.
SOF
-
LHR
3h 20mdirect
C$ 259British Airways
Wed, 29 Apr - Wed, 13 May
Lufthansa Logo
6:35 a.m. - 1:15 p.m.
LHR
-
SOF
4h 40m
1 stop
Lufthansa Logo
2:00 p.m. - 7:35 p.m.
SOF
-
LHR
7h 35m
1 stop
C$ 285Lufthansa
Fri, 27 Feb - Tue, 3 Mar
Lufthansa Logo
6:35 a.m. - 1:15 p.m.
LHR
-
SOF
4h 40m
1 stop
Lufthansa Logo
2:00 p.m. - 7:35 p.m.
SOF
-
LHR
7h 35m
1 stop
C$ 286Lufthansa
Wed, 25 Feb - Wed, 4 Mar
Lufthansa Logo
1:50 p.m. - 10:45 p.m.
LHR
-
SOF
6h 55m
1 stop
Lufthansa Logo
2:00 p.m. - 5:05 p.m.
SOF
-
LHR
5h 05m
1 stop
C$ 288Lufthansa
Thu, 26 Feb - Thu, 12 Mar
Air Serbia Logo
1:20 p.m. - 3:05 a.m.
LHR
-
SOF
11h 45m
1 stop
Air Serbia Logo
5:00 a.m. - 12:20 p.m.
SOF
-
LHR
9h 20m
1 stop
C$ 289Air Serbia
Wed, 4 Mar - Sat, 7 Mar
Air Serbia Logo
1:20 p.m. - 3:05 a.m.
LHR
-
SOF
11h 45m
1 stop
Air Serbia Logo
5:00 a.m. - 12:20 p.m.
SOF
-
LHR
9h 20m
1 stop
C$ 291Air Serbia
Wed, 11 Mar - Mon, 16 Mar
Multiple Airlines Logo
6:35 a.m. - 1:15 p.m.
LHR
-
SOF
4h 40m
1 stop
Multiple Airlines Logo
4:00 p.m. - 9:40 p.m.
SOF
-
LHR
7h 40m
1 stop
C$ 292Multiple Airlines
Thu, 12 Feb - Thu, 12 Feb
Multiple Airlines Logo
6:00 a.m. - 6:00 p.m.
LHR
-
SOF
10h 00m
1 stop
Multiple Airlines Logo
7:05 p.m. - 10:55 p.m.
SOF
-
LHR
5h 50m
1 stop
C$ 293Multiple Airlines
Fri, 20 Mar - Tue, 24 Mar
Multiple Airlines Logo
6:00 a.m. - 6:00 p.m.
LHR
-
SOF
10h 00m
1 stop
Multiple Airlines Logo
2:00 p.m. - 6:35 p.m.
SOF
-
LHR
6h 35m
1 stop
C$ 295Multiple Airlines
Sun, 22 Feb - Wed, 4 Mar

Air Serbia flights from London Heathrow Airport to Sofia

Our best Air Serbia deals on London Heathrow Airport to Sofia flight tickets
Air Serbia
4 Mar
LHR1:20 p.m.London Heathrow
11h 45m
1 stop
SOF3:05 a.m.Sofia
7 Mar
SOF5:00 a.m.Sofia
9h 20m
1 stop
LHR12:20 p.m.London Heathrow
C$ 289
Air Serbia
23 May
LHR7:55 p.m.London Heathrow
17h 40m
1 stop
SOF3:35 p.m.Sofia
30 May
SOF4:05 p.m.Sofia
22h 25m
1 stop
LHR12:30 p.m.London Heathrow
C$ 320
Air Serbia
4 Jul
LHR7:55 p.m.London Heathrow
17h 40m
1 stop
SOF3:35 p.m.Sofia
31 Jul
SOF4:05 p.m.Sofia
22h 25m
1 stop
LHR12:30 p.m.London Heathrow
C$ 350

British Airways flights from London Heathrow Airport to Sofia

Our best British Airways deals on London Heathrow Airport to Sofia flight tickets
British Airways
27 Apr
LHR2:05 p.m.London Heathrow
3h 15m
SOF7:20 p.m.Sofia
6 May
SOF9:25 p.m.Sofia
3h 20m
LHR10:45 p.m.London Heathrow
C$ 235
British Airways
29 Apr
LHR3:10 p.m.London Heathrow
3h 20m
SOF8:30 p.m.Sofia
13 May
SOF9:25 p.m.Sofia
3h 20m
LHR10:45 p.m.London Heathrow
C$ 259
British Airways
11 Mar
LHR2:55 p.m.London Heathrow
3h 15m
SOF8:10 p.m.Sofia
16 Mar
SOF5:25 p.m.Sofia
3h 30m
LHR6:55 p.m.London Heathrow
C$ 291

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 29 January 2026.
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

Mon 27/4

2:05 p.m.-7:20 p.m.

Nonstop3h 15m

Sofia

Wed 6/5

9:25 p.m.-10:45 p.m.

Nonstop3h 20m

C$ 235

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 29/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Wed 13/5

9:25 p.m.-10:45 p.m.

Nonstop3h 20m

C$ 259

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 27/2

6:35 a.m.-1:15 p.m.

1 stop4h 40m

Sofia

Tue 3/3

2:00 p.m.-7:35 p.m.

1 stop7h 35m

C$ 285

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 25/2

6:35 a.m.-1:15 p.m.

1 stop4h 40m

Sofia

Wed 4/3

2:00 p.m.-7:35 p.m.

1 stop7h 35m

C$ 286

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 26/2

1:50 p.m.-10:45 p.m.

1 stop6h 55m

Sofia

Thu 12/3

2:00 p.m.-5:05 p.m.

1 stop5h 05m

C$ 288

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/3

1:20 p.m.-3:05 a.m.

1 stop11h 45m

Sofia

Sat 7/3

5:00 a.m.-12:20 p.m.

1 stop9h 20m

C$ 289

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 11/3

1:20 p.m.-3:05 a.m.

1 stop11h 45m

Sofia

Mon 16/3

5:00 a.m.-12:20 p.m.

1 stop9h 20m

C$ 291

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 12/2

6:35 a.m.-1:15 p.m.

1 stop4h 40m

Sofia

Thu 12/2

4:00 p.m.-9:40 p.m.

1 stop7h 40m

C$ 292

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 20/3

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

1 stop10h 00m

Sofia

Tue 24/3

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

1 stop5h 50m

C$ 293

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 22/2

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

1 stop10h 00m

Sofia

Wed 4/3

2:00 p.m.-6:35 p.m.

1 stop6h 35m

C$ 295

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 typical price of a round-trip flight between London Heathrow Airport and Sofia?

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$ 259, 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 March is also very affordable. Most momondo users find prices during this month for around C$ 277.

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$ 92. The most expensive day to fly to Sofia is Friday, with ticket prices averaging around C$ 143.

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 afternoon. Flights from London Heathrow Airport to Sofia during this time can be as low as C$ 255. Flights to Sofia are more costly in the morning, with an average ticket price of C$ 282. 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$ 370 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$ 329 on momondo.

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

There is only 1 cabin class 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 January 2026, prices for London Heathrow Airport to Sofia flights are approximately 27% 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

Fastest flight time

3h 10m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Sofia

1 airport
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. There are no airlines offering direct flights.
There is 1 airport in Sofia. From London Heathrow Airport there are direct flights to 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

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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