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$63+ Cheap flights from Sofia (SOF) to Heathrow (LHR)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Sofia to Heathrow

Cheapest flights from Sofia to Heathrow
Explore the most affordable flight options available from Sofia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This British Airways deal was found by Cheapflights users on 11/6. 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.
Sat 12/612:05 pmSOF - LHR
Nonstop3h 45mBritish Airways
Sun 12/77:50 amLHR - SOF
Nonstop3h 10mBritish Airways
Deal found 11/6$137
This Iberia deal was found by Cheapflights users on 11/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:05 pmSOF - LHR
Nonstop3h 45mBritish Airways
Sat 12/66:05 amLHR - SOF
Nonstop3h 10mBritish Airways
Deal found 11/5$138
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:00 pmSOF - LHR
Nonstop3h 30mBritish Airways
Sat 11/296:05 amLHR - SOF
Nonstop3h 10mBritish Airways
Deal found 11/5$159
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Mon 11/246:35 pmSOF - LHR
1 stop17h 00mLOT
Tue 12/26:20 pmLHR - SOF
1 stop17h 30mLOT
Deal found 11/5$162
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/266:35 pmSOF - LHR
1 stop5h 25mLOT
Wed 12/316:30 amLHR - SOF
1 stop5h 20mLOT
Deal found 11/5$186
This Air Serbia deal was found by Cheapflights users on 11/6. 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.
Thu 11/205:00 amSOF - LHR
1 stop9h 20mAir Serbia
Sun 11/231:20 pmLHR - SOF
1 stop24h 10mAir Serbia
Deal found 11/6$192
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Wed 11/196:35 pmSOF - LHR
1 stop5h 25mLOT
Sat 11/296:20 pmLHR - SOF
1 stop17h 30mLOT
Deal found 11/5$195
This Booking.com deal was found by Cheapflights users on 11/4. 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.
Sun 11/236:05 amSOF - LHR
1 stop6h 20mLufthansa
Tue 12/27:40 amLHR - SOF
1 stop8h 40mLufthansa
Deal found 11/4$196
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Thu 12/46:35 pmSOF - LHR
1 stop5h 25mLOT
Thu 12/116:30 amLHR - SOF
1 stop5h 20mLOT
Deal found 11/6$214
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:35 pmSOF - LHR
1 stop24h 45mLOT
Mon 12/296:30 amLHR - SOF
1 stop9h 20mLOT
Deal found 11/5$219
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:20 pmSOF - LHR
1 stop6h 55mMultiple Airlines
Sat 11/296:05 amLHR - SOF
Nonstop3h 10mMultiple Airlines
Deal found 11/5$223
This Trip.com deal was found by Cheapflights users on 11/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:35 pmSOF - LHR
1 stop21h 00mLOT
Thu 1/16:30 amLHR - SOF
1 stop5h 20mLOT
Deal found 11/5$225

Cheap flight deals from Sofia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Heathrow (LHR). 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 November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$138
(British Airways)

One-way from

$63
(Aegean Airlines)

Popular in

September

Cheapest in

November

Average price

$179

Good round-trip deal

$640 or less

Good one-way deal

$131 or less
Provider with most accurate pricing for Sofia-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-London Heathrow flights.
Search Deals
From Sofia to London Heathrow
Search Deals
One-way flight from Sofia to London Heathrow
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Sofia to London Heathrow.
Search Deals
Price to beat on a one-way flight from Sofia to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to Heathrow 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 November 6, 2025.
Use the filters below to find and compare flights from Sofia to London Heathrow Airport that are best for you.

Fly from

Sofia

Fly to

Heathrow

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 11/29

12:05 pm-1:50 pm

Nonstop3h 45m

London Heathrow

Sat 12/6

6:05 am-11:15 am

Nonstop3h 10m

$138

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 1/28

9:00 pm-10:30 pm

Nonstop3h 30m

London Heathrow

Sun 2/1

7:50 am-1:00 pm

Nonstop3h 10m

$166

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 4/10

4:05 pm-12:35 pm

1 stop22h 30m

London Heathrow

Mon 4/13

1:30 pm-3:35 pm

1 stop24h 05m

$168

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 12/26

6:35 pm-10:00 pm

1 stop5h 25m

London Heathrow

Wed 12/31

6:30 am-1:50 pm

1 stop5h 20m

$186

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 11/20

5:00 am-12:20 pm

1 stop9h 20m

London Heathrow

Sun 11/23

1:20 pm-3:30 pm

1 stop24h 10m

$192

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 1/30

6:05 am-10:25 am

1 stop6h 20m

London Heathrow

Wed 2/4

11:10 am-6:20 pm

1 stop5h 10m

$202

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 4/12

4:05 pm-12:35 pm

1 stop22h 30m

London Heathrow

Sun 4/26

7:25 pm-3:35 pm

1 stop18h 10m

$208

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 1/31

2:00 pm-5:05 pm

1 stop5h 05m

London Heathrow

Mon 2/2

9:05 am-6:00 pm

1 stop6h 55m

$210

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 1/30

2:00 pm-5:05 pm

1 stop5h 05m

London Heathrow

Mon 2/2

6:00 am-6:00 pm

1 stop10h 00m

$210

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 1/30

5:00 am-12:20 pm

1 stop9h 20m

London Heathrow

Sun 2/1

1:20 pm-3:30 pm

1 stop24h 10m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Sofia-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-London Heathrow Airport 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 Sofia-London Heathrow Airport 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 Sofia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sofia 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 Sofia to London Heathrow Airport

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

Currently, September is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of $112). Flying from Sofia to London Heathrow Airport in May is currently the most expensive (average of $232). 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 SOF to LHR?

Find hourly flight availability from Sofia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

One of the essential ways to save on airfare from Sofia to London Heathrow Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 12% on airfare.

What is the cheapest day to fly from Sofia to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Sofia to Heathrow. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Sofia to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated November 6, 2025.
Get a feel of what it's like to fly with LOT, Lufthansa, and British Airways from Sofia to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,133 reviews

Food

7.1

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
LOT
7.6
Good
1,133 reviews
LOT
7.6
Good
1,133 reviews

Food

7.1

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Lufthansa
6.8
Okay
7,558 reviews
LOT
7.6
Good
1,133 reviews

Food

7.1

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
British Airways
6.7
Okay
7,500 reviews
LOT
7.6
Good
1,133 reviews

Food

7.1

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

Related info for your journey

Find useful and relevant information for your journey from Sofia to Heathrow. 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 from for flights from Sofia to London Heathrow?

    Sofia (SOF) is the airport you will fly out of if you book a flight from Sofia to London Heathrow. You should not have trouble finding flights to London Heathrow from Sofia; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Sofia airport to London Heathrow. It is only a 4.2 mi journey to Sofia (SOF) from Sofia’s city center.

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

    There are many flights that can get you from Sofia to London Heathrow Airport in 3h 45m. Fly via British Airways, Air Serbia, or LOT to get the fastest option. The distance between Sofia and London Heathrow Airport is about 1267 mi. This flight may include one or multiple stops.

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

    Currently priced at $68, British Airways will fly you from Sofia to London Heathrow Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LOT and Bulgaria Air - these airlines can fly you to your destination from $168 and $196, respectively. You may be able to fly from Sofia to London Heathrow Airport for 72% less than the average price by searching for these airlines.

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

    Before booking your flight to London Heathrow Airport from Sofia, check out the most reliable airlines to get you to your destination on time: British Airways (77%), Bulgaria Air (69%), American Airlines( 54%).

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

    Looking at all options, your cheapest flight can be booked for $73. While the most popular route (Sofia - London Heathrow) can be booked for $138 on average, our data indicates $433 when flying from Sofia to London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sofia to Heathrow 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 Sofia to London Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of $112). Flying from Sofia to London Heathrow Airport in May is currently the most expensive (average of $232). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Sofia to Heathrow

Discover the top 4 airlines that operate flights from Sofia to Heathrow. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$68Average$265FlexibilityNo cancel feeOn-time70%
LOTCheapest$168Average$247FlexibilityNo cancel feeOn-time81%
Bulgaria AirCheapest$196Average$261FlexibilityNo cancel feeOn-time73%
LufthansaCheapest$214Average$276FlexibilityNo cancel feeOn-time76%

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