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Sofia

$102+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or March, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 August 18, 2025.

Round-trip from

$154
(British Airways)

One-way from

$102
(British Airways)

Popular in

December

Cheapest in

November

Average price

$324

Good one-way deal

$166 or less
From London Heathrow to Sofia
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One-way flight from London Heathrow to Sofia
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from London Heathrow to Sofia.
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Find 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 August 18, 2025.

This British Airways deal was found by Cheapflights users on 8/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:50 amLHR - SOF
Nonstop3h 10mBritish Airways
Mon 12/15:25 pmSOF - LHR
Nonstop3h 30mBritish Airways
Deal found 8/17$154
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:20 amLHR - SOF
Nonstop3h 10mMultiple Airlines
Sat 10/115:00 amSOF - LHR
1 stop9h 30mMultiple Airlines
Deal found 8/16$202
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/73:10 pmLHR - SOF
Nonstop3h 10mMultiple Airlines
Sat 10/114:05 pmSOF - LHR
1 stop5h 00mMultiple Airlines
Deal found 8/16$205
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:25 pmLHR - SOF
Nonstop3h 15mMultiple Airlines
Sat 10/44:05 pmSOF - LHR
1 stop5h 00mMultiple Airlines
Deal found 8/16$210
This Air Serbia deal was found by Cheapflights users on 8/18. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:55 pmLHR - SOF
1 stop17h 40mAir Serbia
Sun 10/194:05 pmSOF - LHR
1 stop22h 25mAir Serbia
Deal found 8/18$211
This Air Serbia deal was found by Cheapflights users on 8/16. 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 10/117:55 pmLHR - SOF
1 stop17h 40mAir Serbia
Sat 10/255:00 amSOF - LHR
1 stop9h 30mAir Serbia
Deal found 8/16$212
This Air Serbia deal was found by Cheapflights users on 8/17. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:55 pmLHR - SOF
1 stop17h 40mAir Serbia
Sat 10/255:00 amSOF - LHR
1 stop9h 30mAir Serbia
Deal found 8/17$213
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:15 pmLHR - SOF
1 stop14h 20mMultiple Airlines
Thu 10/94:05 pmSOF - LHR
1 stop22h 25mMultiple Airlines
Deal found 8/18$215
This Lufthansa deal was found by Cheapflights users on 8/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:50 amLHR - SOF
1 stop5h 50mLufthansa
Sun 10/262:00 pmSOF - LHR
1 stop6h 35mLufthansa
Deal found 8/16$218
This Lufthansa deal was found by Cheapflights users on 8/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:55 amLHR - SOF
1 stop9h 45mLufthansa
Wed 9/177:25 pmSOF - LHR
1 stop5h 15mLufthansa
Deal found 8/16$219
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:55 amLHR - SOF
1 stop14h 05mLufthansa
Sat 9/206:15 amSOF - LHR
1 stop5h 25mLufthansa
Deal found 8/16$220
This Lufthansa deal was found by Cheapflights users on 8/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:25 amLHR - SOF
1 stop5h 45mMultiple Airlines
Wed 10/87:25 pmSOF - LHR
1 stop5h 15mMultiple Airlines
Deal found 8/17$221

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 August 18, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sofia that are best for you.

Fly from

Heathrow

Fly to

Sofia

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 11/30

7:50 am-1:00 pm

Nonstop3h 10m

Sofia

Mon 12/1

5:25 pm-6:55 pm

Nonstop3h 30m

$154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/12

11:10 am-4:20 pm

Nonstop3h 10m

Sofia

Sat 1/17

12:05 pm-1:50 pm

Nonstop3h 45m

$186

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 9/5

8:20 am-1:30 pm

Nonstop3h 10m

Sofia

Mon 10/13

5:00 am-12:30 pm

1 stop9h 30m

$202

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 9/5

8:20 am-1:30 pm

Nonstop3h 10m

Sofia

Sat 10/11

5:00 am-12:30 pm

1 stop9h 30m

$202

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 9/7

3:10 pm-8:20 pm

Nonstop3h 10m

Sofia

Sat 10/11

4:05 pm-7:05 pm

1 stop5h 00m

$205

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 9/7

3:10 pm-8:20 pm

Nonstop3h 10m

Sofia

Mon 10/13

5:00 am-12:30 pm

1 stop9h 30m

$205

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 10/4

7:55 pm-3:35 pm

1 stop17h 40m

Sofia

Mon 10/20

5:00 am-12:30 pm

1 stop9h 30m

$211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 10/4

7:55 pm-3:35 pm

1 stop17h 40m

Sofia

Sun 10/19

4:05 pm-12:30 pm

1 stop22h 25m

$211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 10/5

7:25 pm-2:55 am

1 stop5h 30m

Sofia

Sun 10/19

4:05 pm-12:30 pm

1 stop22h 25m

$211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 10/4

7:55 pm-3:35 pm

1 stop17h 40m

Sofia

Tue 10/21

4:05 pm-12:30 pm

1 stop22h 25m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 23 results
1
2
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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?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Sofia. Price data was last updated on August 8, 2025.

Booking 59 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of $632). Flying from London Heathrow Airport to Sofia in June is currently the most expensive (average of $1,186). 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 August 18, 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Sofia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 7% on airfare.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated August 18, 2025.
Get a feel of what it's like to fly with Lufthansa and British Airways from London Heathrow Airport to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,330 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

BHX - FRA

Not as good as when I traveled many years ago. My main problem was missing my flight from Frankfurt to Birmingham because of very late start from LA and was told delay wil be made up but then I had to wait 5 hours for my next booked fight . Asian vegetarian food was skimpy and horrible.
Lufthansa
6.8
Okay
7,330 reviews
Lufthansa
6.8
Okay
7,330 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

BHX - FRA

Not as good as when I traveled many years ago. My main problem was missing my flight from Frankfurt to Birmingham because of very late start from LA and was told delay wil be made up but then I had to wait 5 hours for my next booked fight . Asian vegetarian food was skimpy and horrible.
British Airways
6.7
Okay
7,277 reviews
Lufthansa
6.8
Okay
7,330 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

BHX - FRA

Not as good as when I traveled many years ago. My main problem was missing my flight from Frankfurt to Birmingham because of very late start from LA and was told delay wil be made up but then I had to wait 5 hours for my next booked fight . Asian vegetarian food was skimpy and horrible.

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 1 inbound flight from London Heathrow per day. 3 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 10m. British Airways provides one of the quickest options available for as low as $154. Airlines will cover a distance of 1267 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Sofia round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Sofia round-trip from $146. Other airlines that can offer you cheap pricing are Bulgaria Air, from $169, and Lufthansa, from $190. Users have found that British Airways is 45% cheaper than the other options available to this destination.

  • What are the most reliable airlines from London Heathrow Airport to Sofia?

    Consider Bulgaria Air (91%), American Airlines (69%) or British Airways (69%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Sofia.

  • 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 $453, our data indicates the cheapest price to be $129. The most popular route (London Heathrow - Sofia), is priced around $196.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of $632). Flying from London Heathrow Airport to Sofia in June is currently the most expensive (average of $1,186). 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.

See more FAQs

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Complete your trip

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Top 3 airlines flying from Heathrow to Sofia

Discover the top 3 airlines that operate flights from Heathrow to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$146Average$300FlexibilityNo cancel feeOn-time70%
Bulgaria AirCheapest$169Average$274FlexibilityNo cancel feeOn-time73%
LufthansaCheapest$190Average$252FlexibilityNo cancel feeOn-time76%

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