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Cheap flights from London Heathrow Airport to Sofia from C$ 139

LHR — SOF
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Sofia

Wed 4/112:55 p.m. -
Nonstop3h 15m
Wed 11/119:05 p.m. -
Nonstop3h 25m
Deal found 22/9C$ 233
Sun 8/111:25 p.m. -
Nonstop3h 10m
Wed 11/119:05 p.m. -
Nonstop3h 25m
Deal found 22/9C$ 252
Fri 16/108:10 a.m. -
Nonstop3h 15m
Mon 19/108:10 p.m. -
Nonstop3h 20m
Deal found 25/9C$ 272
Wed 4/112:55 p.m. -
Nonstop3h 15m
Mon 9/115:15 p.m. -
Nonstop3h 30m
Deal found 22/9C$ 274
Sun 11/102:55 p.m. -
Nonstop3h 15m
Wed 14/109:25 p.m. -
Nonstop3h 20m
Deal found 22/9C$ 279
Fri 16/108:10 a.m. -
Nonstop3h 15m
Wed 21/109:25 p.m. -
Nonstop3h 20m
Deal found 25/9C$ 290
Sun 8/111:25 p.m. -
Nonstop3h 10m
Mon 9/115:15 p.m. -
Nonstop3h 30m
Deal found 22/9C$ 293
Wed 4/112:55 p.m. -
Nonstop3h 15m
Sun 8/117:45 p.m. -
Nonstop3h 25m
Deal found 24/9C$ 300
Thu 5/111:20 p.m. -
1 stop24h 10m
Mon 9/115:00 a.m. -
1 stop9h 20m
Deal found 24/9C$ 303
Wed 4/111:20 p.m. -
1 stop11h 40m
Sat 7/114:00 p.m. -
1 stop22h 20m
Deal found 23/9C$ 304
Wed 4/111:20 p.m. -
1 stop11h 40m
Thu 12/114:00 p.m. -
1 stop22h 20m
Deal found 22/9C$ 306

Find flight deals from Heathrow to Sofia

Round-trip from

C$ 233

One-way from

C$ 139

Popular in

December

Cheapest in

January

Average price

C$ 410
British Airways
  • British Airways
  • 4/11-11/11
  • Nonstop
  • 6h 40m total
  • London to Sofia
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British Airways
  • British Airways
  • 9/12-31/12
  • Nonstop
  • 3h 15m total
  • London to Sofia
Search Deals
High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Sofia that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 28/10

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

Nonstop3h 15m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 151

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 14/10

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

Nonstop3h 20m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 153

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 17/3

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

Nonstop3h 15m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 156
Quickest round-trip

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Mon 22/3

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

Nonstop3h 10m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 156

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Fri 2/10

8:10 a.m.-1:25 p.m.

Nonstop3h 15m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 181

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Sun 21/3

1:25 p.m.-6:35 p.m.

Nonstop3h 10m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 201

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Sun 25/10

10:15 p.m.-9:15 a.m.

1 stop9h 00m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 209

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Sun 20/12

10:15 p.m.-9:15 a.m.

1 stop9h 00m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 211

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 4/11

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

Nonstop3h 15m

Sofia

Sun 8/11

7:45 p.m.-9:10 p.m.

Nonstop3h 25m

C$ 300

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Sun 24/1

8:45 a.m.-10:55 p.m.

1 stop12h 10m

Sofia

Tue 26/1

2:00 p.m.-6:30 p.m.

1 stop6h 30m

C$ 315

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Heathrow to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Heathrow with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Sofia

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

The price you pay for your flight from London Heathrow Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of C$ 248). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of C$ 525). 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 SOF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sofia as you normally would.

How much does it cost to fly round-trip from London Heathrow Airport to Sofia?

Airfare is below average for this route at the moment.

London Heathrow Airport to Sofia flights typically cost between C$ 294 and C$ 386 in November.
The cheapest round-trip price found within the last 5 days was C$ 233 on British Airways (4 Nov-11 Nov).

Related info for your journey

  • What airport do you fly into for flights to Sofia from London Heathrow?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from London Heathrow. On average, Sofia has 0 inbound flights from London Heathrow per day from 0 airlines. Sofia is conveniently located just 6.7 km from Sofia’s city centre.

  • How long is the flight from London Heathrow Airport to Sofia?

    British Airways and Lufthansa can get you from London Heathrow Airport to Sofia in just under 3h 15m. Your travel time can differ by up to 8h 55m. Airlines will cover a distance of 2039 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Sofia 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 Sofia?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of C$ 248). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of C$ 525). 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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