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Cheap flights from London Heathrow Airport to Sofia from $98

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 11/2. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Sofia

Cheap round-trip flights

British Airways Logo
6:05 am - 11:15 amLHR-SOF
3h 10mnonstop
British Airways Logo
5:25 pm - 6:55 pmSOF-LHR
3h 30mnonstop
$140British Airways
Find Deal
Sat, Nov 8 - Mon, Nov 10
British Airways Logo
6:05 am - 11:15 amLHR-SOF
3h 10mnonstop
British Airways Logo
2:30 pm - 4:00 pmSOF-LHR
3h 30mnonstop
$154British Airways
Find Deal
Sat, Nov 8 - Sun, Nov 9
Logo
9:55 am - 11:30 pmLHR-SOF
11h 35m1 stop
Logo
12:00 pm - 6:00 pmSOF-LHR
8h 00m1 stop
$191
Find Deal
Sat, Nov 8 - Mon, Nov 10
Logo
7:00 pm - 3:10 pmLHR-SOF
18h 10m1 stop
Logo
2:20 pm - 3:55 pmSOF-LHR
3h 35mnonstop
$204
Find Deal
Tue, Oct 21 - Fri, Oct 24
LOT Logo
6:30 am - 5:55 pmLHR-SOF
9h 25m1 stop
LOT Logo
6:40 pm - 10:00 pmSOF-LHR
5h 20m1 stop
$208LOT
Find Deal
Tue, Oct 7 - Tue, Oct 14
Air Serbia Logo
1:30 pm - 2:55 amLHR-SOF
11h 25m1 stop
Air Serbia Logo
4:05 pm - 12:30 pmSOF-LHR
22h 25m1 stop
$211Air Serbia
Find Deal
Wed, Oct 15 - Thu, Oct 16
Lufthansa Logo
6:35 am - 1:15 pmLHR-SOF
4h 40m1 stop
Lufthansa Logo
7:05 pm - 10:55 pmSOF-LHR
5h 50m1 stop
$212Lufthansa
Find Deal
Fri, Nov 7 - Mon, Nov 10
LOT Logo
6:30 am - 2:00 amLHR-SOF
17h 30m1 stop
LOT Logo
6:35 pm - 10:00 pmSOF-LHR
5h 25m1 stop
$214LOT
Find Deal
Fri, Oct 24 - Fri, Oct 31
Lufthansa Logo
1:45 pm - 11:00 pmLHR-SOF
7h 15m1 stop
Lufthansa Logo
7:25 pm - 10:40 pmSOF-LHR
5h 15m1 stop
$219Lufthansa
Find Deal
Sat, Oct 4 - Wed, Oct 8
Air Serbia Logo
1:20 pm - 3:00 amLHR-SOF
11h 40m1 stop
Air Serbia Logo
5:00 am - 12:20 pmSOF-LHR
9h 20m1 stop
$250Air Serbia
Find Deal
Thu, Nov 13 - Mon, Nov 17

LOT flights from London Heathrow Airport to Sofia

Our best LOT deals on London Heathrow Airport to Sofia flight tickets
LOT
Oct 7
LHR6:30 amLondon Heathrow
9h 25m
1 stop
SOF5:55 pmSofia
Oct 14
SOF6:40 pmSofia
5h 20m
1 stop
LHR10:00 pmLondon Heathrow
$208
Find similar
LOT
Oct 24
LHR6:30 amLondon Heathrow
17h 30m
1 stop
SOF2:00 amSofia
Oct 31
SOF6:35 pmSofia
5h 25m
1 stop
LHR10:00 pmLondon Heathrow
$214
Find similar
LOT
Oct 25
LHR6:30 amLondon Heathrow
5h 20m
1 stop
SOF1:50 pmSofia
Oct 31
SOF6:35 pmSofia
5h 25m
1 stop
LHR10:00 pmLondon Heathrow
$224
Find similar

SWISS flights from London Heathrow Airport to Sofia

Our best SWISS deals on London Heathrow Airport to Sofia flight tickets
SWISS
Sep 22
LHR8:05 pmLondon Heathrow
14h 25m
1 stop
SOF12:30 pmSofia
Oct 1
SOF10:50 amSofia
7h 35m
1 stop
LHR4:25 pmLondon Heathrow
$240
Find similar
SWISS
Sep 22
LHR6:40 pmLondon Heathrow
15h 50m
1 stop
SOF12:30 pmSofia
Sep 30
SOF1:15 pmSofia
6h 35m
1 stop
LHR5:50 pmLondon Heathrow
$249
Find similar
SWISS
Sep 17
LHR8:05 pmLondon Heathrow
12h 00m
1 stop
SOF10:05 amSofia
Nov 4
SOF2:00 pmSofia
20h 05m
2 stops
LHR8:05 amLondon Heathrow
$276
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 832,500 searches. Data last updated September 11, 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 11/8

6:05 am-11:15 am

Nonstop3h 10m

Sofia

Mon 11/10

5:25 pm-6:55 pm

Nonstop3h 30m

$140

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 11/8

6:05 am-11:15 am

Nonstop3h 10m

Sofia

Sun 11/9

2:30 pm-4:00 pm

Nonstop3h 30m

$154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 11/8

9:55 am-11:30 pm

1 stop11h 35m

Sofia

Mon 11/10

12:00 pm-6:00 pm

1 stop8h 00m

$191

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 10/21

7:00 pm-3:10 pm

1 stop18h 10m

Sofia

Fri 10/24

2:20 pm-3:55 pm

Nonstop3h 35m

$204

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 10/7

6:30 am-5:55 pm

1 stop9h 25m

Sofia

Tue 10/14

6:40 pm-10:00 pm

1 stop5h 20m

$208

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 10/15

1:30 pm-2:55 am

1 stop11h 25m

Sofia

Thu 10/16

4:05 pm-12:30 pm

1 stop22h 25m

$211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 11/7

6:35 am-1:15 pm

1 stop4h 40m

Sofia

Mon 11/10

7:05 pm-10:55 pm

1 stop5h 50m

$212

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 10/24

6:30 am-2:00 am

1 stop17h 30m

Sofia

Fri 10/31

6:35 pm-10:00 pm

1 stop5h 25m

$214

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 10/4

1:45 pm-11:00 pm

1 stop7h 15m

Sofia

Wed 10/8

7:25 pm-10:40 pm

1 stop5h 15m

$219

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 11/13

1:20 pm-3:00 am

1 stop11h 40m

Sofia

Mon 11/17

5:00 am-12:20 pm

1 stop9h 20m

$250

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 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 $188, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from London Heathrow Airport during January instead. Flights to Sofia in January, while not as cheap as those in November, still average around $196.

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

According to our data, Monday is the cheapest day to fly to Sofia from London Heathrow Airport. The lowest ticket price found for a Monday departure recently was $164. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London Heathrow Airport to Sofia on a Sunday will generally be more expensive and average around $226. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the evening is the cheapest time of day to fly from London Heathrow Airport to Sofia when you can find flight prices for as low as $157. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Sofia, so prices are often more expensive at around $263 per ticket.

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 $269 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 $214 on momondo.

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

There are 2 cabin classes 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 118% 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 00m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Sofia

1 airport
The fastest flight from London Heathrow Airport to Sofia takes 3h 00m
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?

    The straight-line distance from London Heathrow to Sofia is 1263.5 mi. 3h 00m is a normal flight duration for this route.

  • 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 refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Sofia Airport?

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

  • What documentation or ID do you need to fly to Sofia Airport?

    The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Sofia?

  • What is the most popular airline from London Heathrow Airport to Sofia?

Best airlines flying from London Heathrow Airport to Sofia

Compare and see reviews for airlines that fly from London Heathrow Airport to Sofia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $95Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Bulgaria AirPriceFrom $169Free CancellationRating
8.0
59 reviews
Search Bulgaria Air flights
LufthansaPriceFrom $192Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

  • Bulgaria Air Flights From London Heathrow Airport to Sofia

    Bulgaria Air flies from London Heathrow Airport to Sofia around 3 times per week, with 59 momondo users rating the airline 8.0/10. The cheapest Bulgaria Air deal from London Heathrow Airport to Sofia in the last 72 hours was $169 (round-trip), much lower than the average airfare cost of $278 for Bulgaria Air flights on this route.

  • British Airways Flights From London Heathrow Airport to Sofia

    The best British Airways deal for London Heathrow Airport to Sofia flight tickets found on momondo in the last 72 hours was $95, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $309 round-trip. British Airways operates 1 flight out of London Heathrow Airport into Sofia in an average week, so prices vary by time and availability. 7,361 British Airways reviews by users on momondo have scored the airline at 6.6/10.

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from London to Sofia?

It is quick and easy to find London to Sofia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sofia that suits you.

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 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?

Of course. momondo tracks the price of London to Sofia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Delta
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United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
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Spirit Airlines
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Emirates
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