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Cheap flights from London to Sofia from C$ 154

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 to Sofia departing on 4/1. 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 to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:50 a.m. - 1:00 p.m.
LHR
-
SOF
3h 10mdirect
British Airways Logo
5:25 p.m. - 6:55 p.m.
SOF
-
LHR
3h 30mdirect
C$ 229British Airways
Sun, 22 Mar - Mon, 23 Mar
British Airways Logo
2:55 p.m. - 8:10 p.m.
LHR
-
SOF
3h 15mdirect
British Airways Logo
5:25 p.m. - 6:55 p.m.
SOF
-
LHR
3h 30mdirect
C$ 257British Airways
Wed, 11 Mar - Mon, 16 Mar
British Airways Logo
8:20 a.m. - 1:30 p.m.
LHR
-
SOF
3h 10mdirect
British Airways Logo
9:10 p.m. - 10:25 p.m.
SOF
-
LHR
3h 15mdirect
C$ 274British Airways
Fri, 8 May - Sun, 10 May
British Airways Logo
8:20 a.m. - 1:30 p.m.
LHR
-
SOF
3h 10mdirect
British Airways Logo
9:10 p.m. - 10:25 p.m.
SOF
-
LHR
3h 15mdirect
C$ 277British Airways
Fri, 15 May - Sun, 17 May
Lufthansa Logo
1:50 p.m. - 10:45 p.m.
LHR
-
SOF
6h 55m1 stop
Lufthansa Logo
7:05 p.m. - 10:55 p.m.
SOF
-
LHR
5h 50m1 stop
C$ 284Lufthansa
Tue, 20 Jan - Wed, 21 Jan
Lufthansa Logo
6:35 a.m. - 1:15 p.m.
LHR
-
SOF
4h 40m1 stop
Lufthansa Logo
2:00 p.m. - 6:35 p.m.
SOF
-
LHR
6h 35m1 stop
C$ 285Lufthansa
Thu, 12 Feb - Wed, 18 Mar
Air Serbia Logo
1:20 p.m. - 3:30 p.m.
LHR
-
SOF
24h 10m1 stop
Air Serbia Logo
5:00 a.m. - 12:20 p.m.
SOF
-
LHR
9h 20m1 stop
C$ 288Air Serbia
Mon, 12 Jan - Sat, 17 Jan
Air Serbia Logo
1:20 p.m. - 3:30 p.m.
LHR
-
SOF
24h 10m1 stop
Air Serbia Logo
5:00 a.m. - 12:20 p.m.
SOF
-
LHR
9h 20m1 stop
C$ 289Air Serbia
Mon, 26 Jan - Thu, 29 Jan
Multiple Airlines Logo
6:35 a.m. - 1:15 p.m.
LHR
-
SOF
4h 40m1 stop
Multiple Airlines Logo
3:00 p.m. - 7:15 p.m.
SOF
-
LHR
6h 15m1 stop
C$ 290Multiple Airlines
Thu, 8 Jan - Mon, 12 Jan
Air Serbia Logo
7:55 p.m. - 3:35 p.m.
LHR
-
SOF
17h 40m1 stop
Air Serbia Logo
4:05 p.m. - 7:10 p.m.
SOF
-
LHR
5h 05m1 stop
C$ 292Air Serbia
Sat, 11 Apr - Sat, 25 Apr

British Airways flights from London to Sofia

Our best British Airways deals on London to Sofia flight tickets
British Airways
22 Mar
LHR7:50 a.m.London Heathrow
3h 10m
SOF1:00 p.m.Sofia
23 Mar
SOF5:25 p.m.Sofia
3h 30m
LHR6:55 p.m.London Heathrow
C$ 229
Find similar
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$ 257
Find similar
British Airways
8 May
LHR8:20 a.m.London Heathrow
3h 10m
SOF1:30 p.m.Sofia
10 May
SOF9:10 p.m.Sofia
3h 15m
LHR10:25 p.m.London Heathrow
C$ 274
Find similar

Air Serbia flights from London to Sofia

Our best Air Serbia deals on London to Sofia flight tickets
Air Serbia
12 Jan
LHR1:20 p.m.London Heathrow
24h 10m
1 stop
SOF3:30 p.m.Sofia
17 Jan
SOF5:00 a.m.Sofia
9h 20m
1 stop
LHR12:20 p.m.London Heathrow
C$ 288
Find similar
Air Serbia
26 Jan
LHR1:20 p.m.London Heathrow
24h 10m
1 stop
SOF3:30 p.m.Sofia
29 Jan
SOF5:00 a.m.Sofia
9h 20m
1 stop
LHR12:20 p.m.London Heathrow
C$ 289
Find similar
Air Serbia
11 Apr
LHR7:55 p.m.London Heathrow
17h 40m
1 stop
SOF3:35 p.m.Sofia
25 Apr
SOF4:05 p.m.Sofia
5h 05m
1 stop
LHR7:10 p.m.London Heathrow
C$ 292
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 16 December 2025.
Use the filters below to find and compare flights from London to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 22/3

7:50 a.m.-1:00 p.m.

Nonstop3h 10m

Sofia

Mon 23/3

5:25 p.m.-6:55 p.m.

Nonstop3h 30m

C$ 229

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 11/3

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

Nonstop3h 15m

Sofia

Mon 16/3

5:25 p.m.-6:55 p.m.

Nonstop3h 30m

C$ 257

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 8/5

8:20 a.m.-1:30 p.m.

Nonstop3h 10m

Sofia

Sun 10/5

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

Nonstop3h 15m

C$ 274

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 15/5

8:20 a.m.-1:30 p.m.

Nonstop3h 10m

Sofia

Sun 17/5

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

Nonstop3h 15m

C$ 277

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 20/1

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

1 stop6h 55m

Sofia

Wed 21/1

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

1 stop5h 50m

C$ 284

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 12/2

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

1 stop4h 40m

Sofia

Wed 18/3

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

1 stop6h 35m

C$ 285

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 12/1

1:20 p.m.-3:30 p.m.

1 stop24h 10m

Sofia

Sat 17/1

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

1 stop9h 20m

C$ 288

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 26/1

1:20 p.m.-3:30 p.m.

1 stop24h 10m

Sofia

Thu 29/1

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

1 stop9h 20m

C$ 289

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 8/1

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

1 stop4h 40m

Sofia

Mon 12/1

3:00 p.m.-7:15 p.m.

1 stop6h 15m

C$ 290

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 11/4

7:55 p.m.-3:35 p.m.

1 stop17h 40m

Sofia

Sat 25/4

4:05 p.m.-7:10 p.m.

1 stop5h 05m

C$ 292

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 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 and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from London is in November. Flight prices, which tend to average around C$ 118, 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 during the month January is also very affordable. Most momondo users find prices during this month for around C$ 149.

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

The cheapest day to depart from London to Sofia is on a Wednesday when prices can be found for as low as C$ 159. The most expensive day to fly to Sofia is Thursday, with ticket prices averaging around C$ 275.

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 to Sofia during this time can be as low as C$ 94. Flights to Sofia are more costly in the afternoon, with an average ticket price of C$ 279. 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 to Sofia flight route?

Fly from London Luton to Sofia for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around C$ 372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from London for as low as C$ 332 on momondo.

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

There is only 1 cabin class available to choose from on London 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 to Sofia flights?

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

How have London to Sofia flight prices changed over time?

As of December 2025, prices for London to Sofia flights are approximately 80% more expensive when compared to flights at the same time last year.

When to book flights from London to Sofia

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

Cheap London to Sofia (LON to SOF) flight deals and tips

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

Fastest flight time

11h 45m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Sofia

1 airport
The fastest flight from London to Sofia takes 11h 45m
Direct flights go from London to Sofia on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Sofia. From London there are direct flights to Sofia (SOF).
Search flight deals

  • How far is London to Sofia by plane?

    London and Sofia are 2012.8 km apart from one another. Typically, this will take 11h 45m by plane in normal conditions.

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

    Prices for flights from London to Sofia Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London 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 to Sofia?

  • What is the most popular airline from London 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Sofia for you.

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

Flights from London to Sofia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London to Sofia 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 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.

An easier way to manage your Sofia trip

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