Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London to Sofia from C$ 166

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 17/9. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London to Sofia

Cheap round-trip flights

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$ 213British Airways
Find Deal
Sun, 30 Nov - Mon, 1 Dec
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$ 257British Airways
Find Deal
Mon, 12 Jan - Sat, 17 Jan
Air Serbia Logo
7:55 p.m. - 3:35 p.m.LHR-SOF
17h 40m1 stop
Air Serbia Logo
4:05 p.m. - 12:30 p.m.SOF-LHR
22h 25m1 stop
C$ 273Air Serbia
Find Deal
Sat, 20 Sep - Sun, 19 Oct
Air Serbia Logo
7:25 p.m. - 2:55 a.m.LHR-SOF
5h 30m1 stop
Air Serbia Logo
5:00 a.m. - 12:30 p.m.SOF-LHR
9h 30m1 stop
C$ 291Air Serbia
Find Deal
Sun, 19 Oct - Sat, 25 Oct
Lufthansa Logo
6:35 a.m. - 1:10 p.m.LHR-SOF
4h 35m1 stop
Lufthansa Logo
1:55 p.m. - 5:05 p.m.SOF-LHR
5h 10m1 stop
C$ 293Lufthansa
Find Deal
Mon, 15 Dec - Mon, 22 Dec
Lufthansa Logo
7:25 a.m. - 6:40 p.m.LHR-SOF
9h 15m1 stop
Lufthansa Logo
7:25 p.m. - 10:40 p.m.SOF-LHR
5h 15m1 stop
C$ 302Lufthansa
Find Deal
Sat, 13 Sep - Wed, 17 Sep
Logo
6:55 a.m. - 6:40 p.m.LHR-SOF
9h 45m1 stop
Logo
4:05 p.m. - 9:40 p.m.SOF-LHR
7h 35m1 stop
C$ 313
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
6:00 a.m. - 6:10 p.m.LHR-SOF
10h 10m1 stop
Logo
12:45 p.m. - 5:05 p.m.SOF-LHR
6h 20m1 stop
C$ 315
Find Deal
Fri, 19 Sep - Sun, 19 Oct
SWISS Logo
8:05 p.m. - 12:30 p.m.LHR-SOF
14h 25m1 stop
SWISS Logo
10:50 a.m. - 5:50 p.m.SOF-LHR
9h 00m1 stop
C$ 329SWISS
Find Deal
Mon, 22 Sep - Sat, 27 Sep
SWISS Logo
8:05 p.m. - 1:15 p.m.LHR-SOF
15h 10m2 stops
SWISS Logo
3:00 p.m. - 7:15 p.m.SOF-LHR
6h 15m1 stop
C$ 377SWISS
Find Deal
Mon, 15 Dec - Mon, 22 Dec

Air Serbia flights from London to Sofia

Our best Air Serbia deals on London to Sofia flight tickets
Air Serbia
20 Sep
LHR7:55 p.m.London Heathrow
17h 40m
1 stop
SOF3:35 p.m.Sofia
19 Oct
SOF4:05 p.m.Sofia
22h 25m
1 stop
LHR12:30 p.m.London Heathrow
C$ 273
Find similar
Air Serbia
19 Oct
LHR7:25 p.m.London Heathrow
5h 30m
1 stop
SOF2:55 a.m.Sofia
25 Oct
SOF5:00 a.m.Sofia
9h 30m
1 stop
LHR12:30 p.m.London Heathrow
C$ 291
Find similar
Air Serbia
14 Sep
LHR7:25 p.m.London Heathrow
5h 30m
1 stop
SOF2:55 a.m.Sofia
19 Sep
SOF4:05 p.m.Sofia
22h 25m
1 stop
LHR12:30 p.m.London Heathrow
C$ 348
Find similar

SWISS flights from London to Sofia

Our best SWISS deals on London to Sofia flight tickets
SWISS
22 Sep
LHR8:05 p.m.London Heathrow
14h 25m
1 stop
SOF12:30 p.m.Sofia
27 Sep
SOF10:50 a.m.Sofia
9h 00m
1 stop
LHR5:50 p.m.London Heathrow
C$ 329
Find similar
SWISS
15 Dec
LHR8:05 p.m.London Heathrow
15h 10m
2 stops
SOF1:15 p.m.Sofia
22 Dec
SOF3:00 p.m.Sofia
6h 15m
1 stop
LHR7:15 p.m.London Heathrow
C$ 377
Find similar
SWISS
21 Oct
LHR6:40 p.m.London Heathrow
13h 25m
1 stop
SOF10:05 a.m.Sofia
25 Oct
SOF12:45 p.m.Sofia
11h 00m
2 stops
LHR9:45 p.m.London Heathrow
C$ 381
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 August 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 30/11

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

Nonstop3h 10m

Sofia

Mon 1/12

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

Nonstop3h 30m

C$ 213

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 12/1

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

Nonstop3h 10m

Sofia

Sat 17/1

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

Nonstop3h 45m

C$ 257

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 20/9

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

1 stop17h 40m

Sofia

Sun 19/10

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

1 stop22h 25m

C$ 273

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 19/10

7:25 p.m.-2:55 a.m.

1 stop5h 30m

Sofia

Sat 25/10

5:00 a.m.-12:30 p.m.

1 stop9h 30m

C$ 291

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 15/12

6:35 a.m.-1:10 p.m.

1 stop4h 35m

Sofia

Mon 22/12

1:55 p.m.-5:05 p.m.

1 stop5h 10m

C$ 293

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 13/9

7:25 a.m.-6:40 p.m.

1 stop9h 15m

Sofia

Wed 17/9

7:25 p.m.-10:40 p.m.

1 stop5h 15m

C$ 302

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 13/9

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

1 stop9h 45m

Sofia

Sat 20/9

4:05 p.m.-9:40 p.m.

1 stop7h 35m

C$ 313

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 19/9

6:00 a.m.-6:10 p.m.

1 stop10h 10m

Sofia

Sun 19/10

12:45 p.m.-5:05 p.m.

1 stop6h 20m

C$ 315

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 22/9

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

1 stop14h 25m

Sofia

Sat 27/9

10:50 a.m.-5:50 p.m.

1 stop9h 00m

C$ 329

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 15/12

8:05 p.m.-1:15 p.m.

2 stops15h 10m

Sofia

Mon 22/12

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

1 stop6h 15m

C$ 377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 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$ 152.

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$ 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 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 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$ 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 for as low as C$ 300 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for London to Sofia flights are approximately 22% 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

Best price found

C$ 166

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 in the past 72 hours is C$ 166. The best round-trip flight deal from London to Sofia found on momondo in the last 72 hours is C$ 213.
The fastest flight from London to Sofia takes 3h 10m
Direct flights go from London 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 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?

  • 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
Bansko

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 21/8
Thu 28/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Fly your favourite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air Canada
WestJet
Porter Airlines
Air Transat
Flair Airlines
United Airlines
Lufthansa
Delta
American Airlines
Air France
Air India
Turkish Airlines