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$88+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 17 days in advance, depart on a Thursday 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 julio 3, 2025.

Round-trip from

$156
(British Airways)

One-way from

$88
(Orbitz)

Popular in

December

Cheapest in

November

Average price

$358

Good round-trip deal

$371 or less

Good one-way deal

$88 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, 6% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London Heathrow to Sofia.
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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 julio 3, 2025.

This British Airways deal was found by Cheapflights users on 7/2. 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.
sáb. 11/16:10 amLHR - SOF
Nonstop3h 05mBritish Airways
sáb. 11/812:05 pmSOF - LHR
Nonstop3h 45mBritish Airways
Deal found 7/2$156
This Air Serbia deal was found by Cheapflights users on 7/3. 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.
mié. 9/171:30 pmLHR - SOF
1 stop24h 05mAir Serbia
mar. 9/234:05 pmSOF - LHR
1 stop22h 25mAir Serbia
Deal found 7/3$198
This Lufthansa deal was found by Cheapflights users on 7/2. 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.
mar. 11/46:35 amLHR - SOF
1 stop4h 35mLufthansa
sáb. 11/86:05 amSOF - LHR
1 stop6h 20mLufthansa
Deal found 7/2$214
This SWISS deal was found by Cheapflights users on 7/3. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/158:05 pmLHR - SOF
1 stop14h 25mSWISS
mar. 9/231:15 pmSOF - LHR
1 stop5h 10mSWISS
Deal found 7/3$227
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/156:00 amLHR - SOF
1 stop27h 40mAustrian Airlines
jue. 7/176:55 pmSOF - LHR
1 stop15h 50mAustrian Airlines
Deal found 7/1$230
This Mytrip deal was found by Cheapflights users on 7/2. 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.
mié. 7/308:05 pmLHR - SOF
1 stop12h 00mMultiple Airlines
mié. 8/67:25 pmSOF - LHR
1 stop5h 15mMultiple Airlines
Deal found 7/2$263

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 julio 3, 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

sáb. 11/1

6:10 am-11:15 am

Nonstop3h 05m

Sofia

sáb. 11/8

12:05 pm-1:50 pm

Nonstop3h 45m

$156

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mié. 9/17

1:30 pm-3:35 pm

1 stop24h 05m

Sofia

mar. 9/23

4:05 pm-12:30 pm

1 stop22h 25m

$198

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mar. 11/4

6:35 am-1:10 pm

1 stop4h 35m

Sofia

jue. 11/13

1:55 pm-5:05 pm

1 stop5h 10m

$214

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

lun. 9/15

8:05 pm-12:30 pm

1 stop14h 25m

Sofia

mar. 9/23

1:15 pm-4:25 pm

1 stop5h 10m

$227

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mar. 7/15

6:00 am-11:40 am

1 stop27h 40m

Sofia

vie. 7/18

7:05 pm-8:20 am

1 stop15h 15m

$230

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

mié. 7/30

8:05 pm-10:05 am

1 stop12h 00m

Sofia

mié. 8/6

7:25 pm-10:40 pm

1 stop5h 15m

$263

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

vie. 9/12

8:20 am-1:30 pm

Nonstop3h 10m

$88

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

dom. 8/31

7:25 pm-2:55 am

1 stop5h 30m

$115

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

vie. 9/12

2:25 pm-11:30 pm

1 stop7h 05m

$137

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

jue. 8/14

7:25 am-11:00 pm

1 stop13h 35m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 15 results
1
2

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 June 27, 2025.

Booking 17 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 $1,189). 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 julio 3, 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 morning tend to be the most expensive. A flight at noon could potentially save you up to 23% 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 julio 3, 2025.
Get a feel of what it's like to fly with KLM, LOT, and Austrian Airlines 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.
KLM
7.8
Good
1,367 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,092 reviews
KLM
7.8
Good
1,367 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
809 reviews
KLM
7.8
Good
1,367 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,654 reviews
KLM
7.8
Good
1,367 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,207 reviews
KLM
7.8
Good
1,367 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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. 3 airlines have flights to Sofia from London Heathrow on a regular basis.

  • 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 $156. Other airlines that can offer you cheap pricing are Air Serbia, from $198, and Lufthansa, from $214. Users have found that British Airways is 41% cheaper than the other options available to this destination.

  • 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 $88. However, be on the lookout for offers from Air Serbia and Lufthansa, as they are both options that can get you from London Heathrow Airport to Sofia for a low price.

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

    Consider Bulgaria Air (97%), American Airlines (73%) or British Airways (73%) 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 $458, our data indicates the cheapest price to be $88. The most popular route (London Heathrow - Sofia), is priced around $255.

  • 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 $1,189). 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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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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$95Average$287FlexibilityNo cancel feeOn-time70%
Bulgaria AirCheapest$169Average$271FlexibilityNo cancel feeOn-time73%
LufthansaCheapest$190Average$291FlexibilityNo cancel feeOn-time76%

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