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Cheap flights from London Heathrow Airport to Sofia from C$ 141

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 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Sofia

Cheap round-trip flights

British Airways Logo
6:05 a.m. - 11:15 a.m.LHR-SOF
3h 10mdirect
British Airways Logo
5:25 p.m. - 6:55 p.m.SOF-LHR
3h 30mdirect
C$ 194British Airways
Find Deal
Sat, 8 Nov - Mon, 10 Nov
British Airways Logo
6:05 a.m. - 11:15 a.m.LHR-SOF
3h 10mdirect
British Airways Logo
2:30 p.m. - 4:00 p.m.SOF-LHR
3h 30mdirect
C$ 213British Airways
Find Deal
Sat, 8 Nov - Sun, 9 Nov
Air Serbia Logo
1:20 p.m. - 3:00 a.m.LHR-SOF
11h 40m1 stop
Air Serbia Logo
4:00 p.m. - 12:20 p.m.SOF-LHR
22h 20m1 stop
C$ 292Air Serbia
Find Deal
Thu, 13 Nov - Mon, 17 Nov
Air Serbia Logo
1:20 p.m. - 3:00 a.m.LHR-SOF
11h 40m1 stop
Air Serbia Logo
4:00 p.m. - 12:20 p.m.SOF-LHR
22h 20m1 stop
C$ 293Air Serbia
Find Deal
Fri, 7 Nov - Mon, 10 Nov
Lufthansa Logo
8:45 a.m. - 6:20 p.m.LHR-SOF
7h 35m1 stop
Lufthansa Logo
6:05 a.m. - 10:25 a.m.SOF-LHR
6h 20m1 stop
C$ 298Lufthansa
Find Deal
Mon, 16 Feb - Fri, 20 Feb
Lufthansa Logo
10:50 a.m. - 6:40 p.m.LHR-SOF
5h 50m1 stop
Lufthansa Logo
12:45 p.m. - 5:05 p.m.SOF-LHR
6h 20m1 stop
C$ 303Lufthansa
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Logo
1:45 p.m. - 11:00 p.m.LHR-SOF
7h 15m1 stop
Logo
6:55 p.m. - 9:40 p.m.SOF-LHR
4h 45m1 stop
C$ 305
Find Deal
Tue, 14 Oct - Fri, 17 Oct
Logo
3:05 p.m. - 11:55 p.m.LHR-SOF
6h 50m1 stop
Logo
1:15 p.m. - 5:50 p.m.SOF-LHR
6h 35m1 stop
C$ 314
Find Deal
Sat, 27 Sep - Tue, 30 Sep
Austrian Airlines Logo
6:00 a.m. - 6:10 p.m.LHR-SOF
10h 10m1 stop
Austrian Airlines Logo
6:55 p.m. - 9:40 p.m.SOF-LHR
4h 45m1 stop
C$ 317Austrian Airlines
Find Deal
Fri, 3 Oct - Fri, 10 Oct
Austrian Airlines Logo
2:50 p.m. - 11:55 p.m.LHR-SOF
7h 05m1 stop
Austrian Airlines Logo
7:55 a.m. - 2:05 p.m.SOF-LHR
8h 10m1 stop
C$ 334Austrian Airlines
Find Deal
Tue, 17 Feb - Sat, 21 Feb

Austrian Airlines flights from London Heathrow Airport to Sofia

Our best Austrian Airlines deals on London Heathrow Airport to Sofia flight tickets
Austrian Airlines
3 Oct
LHR6:00 a.m.London Heathrow
10h 10m
1 stop
SOF6:10 p.m.Sofia
10 Oct
SOF6:55 p.m.Sofia
4h 45m
1 stop
LHR9:40 p.m.London Heathrow
C$ 317
Find similar
Austrian Airlines
17 Feb
LHR2:50 p.m.London Heathrow
7h 05m
1 stop
SOF11:55 p.m.Sofia
21 Feb
SOF7:55 a.m.Sofia
8h 10m
1 stop
LHR2:05 p.m.London Heathrow
C$ 334
Find similar
Austrian Airlines
20 Oct
LHR7:30 p.m.London Heathrow
14h 10m
1 stop
SOF11:40 a.m.Sofia
22 Oct
SOF12:25 p.m.Sofia
11h 15m
1 stop
LHR9:40 p.m.London Heathrow
C$ 338
Find similar

Air Serbia flights from London Heathrow Airport to Sofia

Our best Air Serbia deals on London Heathrow Airport 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$ 292
Find similar
Air Serbia
7 Nov
LHR1:20 p.m.London Heathrow
11h 40m
1 stop
SOF3:00 a.m.Sofia
10 Nov
SOF4:00 p.m.Sofia
22h 20m
1 stop
LHR12:20 p.m.London Heathrow
C$ 293
Find similar
Air Serbia
13 Nov
LHR1:20 p.m.London Heathrow
11h 40m
1 stop
SOF3:00 a.m.Sofia
17 Nov
SOF5:00 a.m.Sofia
9h 20m
1 stop
LHR12:20 p.m.London Heathrow
C$ 349
Find similar

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 15 September 2025.
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

Sat 8/11

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

Nonstop3h 10m

Sofia

Mon 10/11

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

Nonstop3h 30m

C$ 194

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 8/11

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

Nonstop3h 10m

Sofia

Sun 9/11

2:30 p.m.-4:00 p.m.

Nonstop3h 30m

C$ 213

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$ 292

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 7/11

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

1 stop11h 40m

Sofia

Mon 10/11

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

1 stop22h 20m

C$ 293

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 16/2

8:45 a.m.-6:20 p.m.

1 stop7h 35m

Sofia

Fri 20/2

6:05 a.m.-10:25 a.m.

1 stop6h 20m

C$ 298

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/10

10:50 a.m.-6:40 p.m.

1 stop5h 50m

Sofia

Wed 22/10

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

1 stop6h 20m

C$ 303

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 14/10

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

1 stop7h 15m

Sofia

Fri 17/10

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

1 stop4h 45m

C$ 305

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 27/9

3:05 p.m.-11:55 p.m.

1 stop6h 50m

Sofia

Tue 30/9

1:15 p.m.-5:50 p.m.

1 stop6h 35m

C$ 314

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 3/10

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

1 stop10h 10m

Sofia

Fri 10/10

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

1 stop4h 45m

C$ 317

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 17/2

2:50 p.m.-11:55 p.m.

1 stop7h 05m

Sofia

Sat 21/2

7:55 a.m.-2:05 p.m.

1 stop8h 10m

C$ 334

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 January is also very affordable. Most momondo users find prices during this month for around C$ 270.

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$ 159. The most expensive day to fly to Sofia is Sunday, with ticket prices averaging around C$ 430.

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 Heathrow Airport 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$ 298. Departure times at noon 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$ 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 Heathrow Airport for as low as C$ 296 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 September 2025, prices for London Heathrow Airport to Sofia flights are approximately 121% 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 near Sofia: 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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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
United Airlines
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Lufthansa
Delta
American Airlines
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British Airways