What is the cheapest airline that flies from London to Sofia?

British Airways, Air Serbia, and Austrian Airlines are the most popular carriers operating from London to Sofia

How many flights depart from London to Sofia on average per week?

3 flights are operational weekly from London to Sofia as of September 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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.

C$ 55 Cheap Flights from London to Sofia in 2025/26

Q: What is the typical price of a round-trip flight between London and Sofia?

Prices are currently typical for flights on this route. Typical prices usually range from C$ 133 to C$ 276. The lowest price recently found on this route was C$ 194.

1 adult

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Find the cheapest flights from London to Sofia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:05 a.m. - 11:15 a.m.LHR-SOF

3h 10mdirect

9:00 p.m. - 10:30 p.m.SOF-LHR

3h 30mdirect

C$ 194British Airways

Find Deal

Sat, 8 Nov - Wed, 19 Nov

6:05 a.m. - 11:15 a.m.LHR-SOF

3h 10mdirect

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

3h 45mdirect

C$ 209British Airways

Find Deal

Sat, 1 Nov - Sat, 8 Nov

1:20 p.m. - 3:00 a.m.LHR-SOF

11h 40m1 stop

4:00 p.m. - 12:20 p.m.SOF-LHR

22h 20m1 stop

C$ 290Air Serbia

Find Deal

Thu, 13 Nov - Mon, 17 Nov

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

24h 10m1 stop

4:00 p.m. - 12:20 p.m.SOF-LHR

22h 20m1 stop

C$ 292Air Serbia

Find Deal

Fri, 7 Nov - Mon, 10 Nov

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

4h 40m1 stop

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

7h 35m1 stop

C$ 294Lufthansa

Find Deal

Sat, 1 Nov - Sat, 8 Nov

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

5h 10m1 stop

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

6h 35m1 stop

C$ 296Lufthansa

Find Deal

Wed, 26 Nov - Tue, 13 Jan

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

7h 15m1 stop

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

4h 45m1 stop

C$ 303Multiple Airlines

Find Deal

Tue, 14 Oct - Thu, 16 Oct

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

7h 15m1 stop

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

4h 45m1 stop

C$ 304Multiple Airlines

Find Deal

Tue, 30 Sep - Fri, 3 Oct

10:25 a.m. - 6:10 p.m.LHR-SOF

5h 45m1 stop

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

4h 45m1 stop

C$ 315Austrian Airlines

Find Deal

Tue, 7 Oct - Thu, 9 Oct

9:05 a.m. - 6:10 p.m.LHR-SOF

7h 05m1 stop

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

4h 45m1 stop

C$ 316Austrian Airlines

Find Deal

Wed, 1 Oct - Thu, 2 Oct

Air Serbia flights from London to Sofia

Our best Air Serbia deals on London to Sofia flight tickets

Air Serbia

13 Nov

LHR1:20 p.m.London Heathrow

11h 40m

1 stop

SOF3:00 a.m.Sofia

17 Nov

SOF4:00 p.m.Sofia

22h 20m

1 stop

LHR12:20 p.m.London Heathrow

C$ 290

Find similar

Air Serbia

7 Nov

LHR1:20 p.m.London Heathrow

24h 10m

1 stop

SOF3:30 p.m.Sofia

10 Nov

SOF4:00 p.m.Sofia

22h 20m

1 stop

LHR12:20 p.m.London Heathrow

C$ 292

Find similar

Air Serbia

7 Nov

LHR1:20 p.m.London Heathrow

11h 40m

1 stop

SOF3:00 a.m.Sofia

18 Nov

SOF5:00 a.m.Sofia

9h 20m

1 stop

LHR12:20 p.m.London Heathrow

C$ 293

Find similar

British Airways flights from London to Sofia

Our best British Airways deals on London to Sofia flight tickets

British Airways

8 Nov

LHR6:05 a.m.London Heathrow

3h 10m

SOF11:15 a.m.Sofia

19 Nov

SOF9:00 p.m.Sofia

3h 30m

LHR10:30 p.m.London Heathrow

C$ 194

Find similar

British Airways

1 Nov

LHR6:05 a.m.London Heathrow

3h 10m

SOF11:15 a.m.Sofia

8 Nov

SOF12:05 p.m.Sofia

3h 45m

LHR1:50 p.m.London Heathrow

C$ 209

Find similar

British Airways

8 Nov

LHR6:05 a.m.London Heathrow

3h 10m

SOF11:15 a.m.Sofia

16 Nov

SOF2:30 p.m.Sofia

3h 30m

LHR4:00 p.m.London Heathrow

C$ 213

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 8/11

6:05 a.m.-11:15 a.m.

Nonstop3h 10m

Sofia

Wed 19/11

9:00 p.m.-10:30 p.m.

Nonstop3h 30m

C$ 194

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 1/11

6:05 a.m.-11:15 a.m.

Nonstop3h 10m

Sofia

Sat 8/11

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

Nonstop3h 45m

C$ 209

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 13/11

1:20 p.m.-3:00 a.m.

1 stop11h 40m

Sofia

Mon 17/11

4:00 p.m.-12:20 p.m.

1 stop22h 20m

C$ 290

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 7/11

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

1 stop24h 10m

Sofia

Mon 10/11

4:00 p.m.-12:20 p.m.

1 stop22h 20m

C$ 292

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 1/11

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

1 stop4h 40m

Sofia

Sat 8/11

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

1 stop7h 35m

C$ 294

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 26/11

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

1 stop5h 10m

Sofia

Tue 13/1

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

1 stop6h 35m

C$ 296

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 14/10

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

1 stop7h 15m

Sofia

Thu 16/10

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

1 stop4h 45m

C$ 303

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 30/9

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

1 stop7h 15m

Sofia

Fri 3/10

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

1 stop4h 45m

C$ 304

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 7/10

10:25 a.m.-6:10 p.m.

1 stop5h 45m

Sofia

Thu 9/10

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

1 stop4h 45m

C$ 315

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 1/10

9:05 a.m.-6:10 p.m.

1 stop7h 05m

Sofia

Thu 2/10

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

1 stop4h 45m

C$ 316

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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$ 121, 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$ 147.

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$ 158. The most expensive day to fly to Sofia is Sunday, with ticket prices averaging around C$ 427.

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$ 92. Flights to Sofia are more costly at noon, with an average ticket price of C$ 296. Departure times at noon 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$ 369 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$ 294 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 September 2025, prices for London to Sofia flights are approximately 35% 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	3h 10m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Sofia	1 airport

The fastest flight from London to Sofia takes 3h 10m

Direct flights go from London to Sofia on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Ryanair.

There is 1 airport near Sofia: Sofia (SOF)

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How far is London to Sofia by plane?
London and Sofia are 2012.8 km apart from one another. Typically, this will take 3h 10m 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Sofia is Airbus A321neo (26.09% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (21.93%), Airbus A220-300 (16.23%), and Boeing 737 MAX 8 (15.80%).
What is the most popular airline from London to Sofia?
Based on momondo bookings for flights between London and Sofia, the leading airline is Ryanair, making up 100% of the total bookings.

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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.