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$97+ Cheap flights from Heathrow (LHR) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in January or November, booked 66 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Heathrow to Sofia

Cheapest flights from Heathrow to Sofia
Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.

This oojo deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:20 am
LHR
-
SOF
1 stop25h 35m
LOT
Wed 10/216:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 7/15$171
This oojo deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am
LHR
-
SOF
1 stop5h 40m
LOT
Sun 10/116:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 7/16$185
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:30 am
LHR
-
SOF
1 stop5h 25m
LOT
Sat 10/36:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 7/17$186
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am
LHR
-
SOF
1 stop5h 20m
LOT
Sat 10/36:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 7/17$202
This oojo deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:30 am
LHR
-
SOF
1 stop5h 20m
LOT
Wed 9/236:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 7/18$205
This Booking.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:30 am
LHR
-
SOF
1 stop9h 30m
LOT
Sun 10/116:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 7/15$211
This Air Serbia deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:20 pm
LHR
-
SOF
1 stop24h 05m
Air Serbia
Mon 12/74:05 pm
SOF
-
LHR
1 stop22h 20m
Air Serbia
Deal found 7/16$214

Find flight deals from Heathrow to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(Booking.com)

One-way from

$97
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$346

Good round-trip deal

$290 or less

Good one-way deal

$249 or less
Provider with most accurate pricing for London Heathrow-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Sofia flights.
Search Deals
From London Heathrow to Sofia
Search Deals
One-way flight from London Heathrow to Sofia
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Sofia.
Search Deals
Price to beat on a one-way flight from London Heathrow to Sofia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated July 19, 2026.
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

Cheapest round-trip

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 12/5

1:20 pm-3:25 pm

1 stop24h 05m

Sofia

Mon 12/7

4:05 pm-12:25 pm

1 stop22h 20m

$214
Quickest round-trip

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 8/24

2:05 pm-7:20 pm

Nonstop3h 15m

Sofia

Wed 9/23

9:25 pm-10:45 pm

Nonstop3h 20m

$253

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 9/3

6:00 am-6:10 pm

1 stop10h 10m

Sofia

Mon 9/7

6:55 pm-8:20 am

1 stop15h 25m

$275

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 8/31

8:05 pm-12:10 pm

2 stops14h 05m

Sofia

Tue 9/8

1:05 pm-5:50 pm

1 stop6h 45m

$280

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 9/10

9:05 am-6:10 pm

1 stop7h 05m

Sofia

Mon 9/14

6:55 pm-8:20 am

1 stop15h 25m

$287

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 10/9

8:10 am-1:25 pm

Nonstop3h 15m

Sofia

Sun 10/11

9:05 pm-10:25 pm

Nonstop3h 20m

$293

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 9/18

8:05 pm-12:55 pm

1 stop14h 50m

Sofia

Wed 9/23

11:05 am-9:30 pm

2 stops12h 25m

$310

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 9/25

6:00 am-3:05 pm

1 stop7h 05m

Sofia

Wed 9/30

11:05 am-9:30 pm

2 stops12h 25m

$313

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 1/6

9:00 am-6:20 pm

2 stops7h 20m

Sofia

Wed 1/20

2:00 pm-8:05 am

2 stops20h 05m

$314

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 8/30

11:30 am-10:50 pm

1 stop9h 20m

Sofia

Fri 9/4

7:05 pm-9:40 pm

1 stop4h 35m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 22 resultsSorted by cheapest first
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2
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  • Most accurate provider: When it comes to deals on London Heathrow Airport-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Sofia

How far ahead should I book a flight from London Heathrow Airport to Sofia?

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Sofia?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of $175). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to SOF?

Find hourly flight availability from Heathrow to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 19, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sofia as you normally would.

How much does it cost to fly round-trip from London Heathrow Airport to Sofia?

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from London Heathrow?

    For a flight from London Heathrow to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Sofia from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Sofia?

    A quick flight from London Heathrow Airport to Sofia can take about 3h 15m. British Airways provides one of the quickest options available for as low as $159. Airlines will cover a distance of 1267 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Sofia one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from Bulgaria Air and LOT, as they are both options that can get you from London Heathrow Airport to Sofia for a low price.

  • What are the cheapest flights from London Heathrow Airport to Sofia?

    Looking for the cheapest flight from London Heathrow Airport to Sofia? While on average our users pay $276, our data indicates the cheapest price to be $124. The most popular route (London Heathrow - Sofia), is priced around $217.

  • Can I find deals for flights from Heathrow to Sofia that include hotel bookings?

    Yes. In addition to deals on Heathrow to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sofia.

  • Can I find deals for business class flights from Heathrow to Sofia?

    Yes. Cheapflights offers flight deals from Heathrow to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Sofia?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of $175). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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