HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$74+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sofia to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$171
(Mytrip)

One-way from

$74
(Air Serbia)

Popular in

July

Cheapest in

November

Average price

$238

Good round-trip deal

$335 or less

Good one-way deal

$122 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. 13% potential increase in price ($35 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 April 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

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 April 30, 2025.

This British Airways deal was found by Cheapflights users on 4/29. 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.
Fri 11/78:15 pmSOF - LHR
Nonstop3h 35mBritish Airways
Tue 11/1811:55 amLHR - SOF
Nonstop3h 10mBritish Airways
Deal found 4/29$135
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/245:20 amSOF - LHR
1 stop14h 00mLOT
Sun 6/16:30 amLHR - SOF
1 stop5h 20mLOT
Deal found 4/29$171
This Air Serbia deal was found by Cheapflights users on 4/29. 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 6/264:05 pmSOF - LHR
1 stop22h 25mAir Serbia
Sun 6/297:25 pmLHR - SOF
1 stop5h 30mAir Serbia
Deal found 4/29$172
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 5/167:25 pmSOF - LHR
1 stop5h 15mLufthansa
Mon 5/197:25 amLHR - SOF
1 stop13h 35mLufthansa
Deal found 4/29$202
This Expedia deal was found by Cheapflights users on 4/29. 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.
Fri 6/136:55 pmSOF - LHR
1 stop4h 45mMultiple Airlines
Fri 6/206:40 pmLHR - SOF
1 stop13h 25mMultiple Airlines
Deal found 4/29$218
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 9/86:55 pmSOF - LHR
1 stop15h 25mAustrian Airlines
Thu 9/189:05 amLHR - SOF
1 stop7h 05mAustrian Airlines
Deal found 4/29$221
This Orbitz deal was found by Cheapflights users on 4/29. 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.
Sat 5/243:25 pmSOF - LHR
1 stop7h 45mAegean Airlines
Sun 6/110:15 pmLHR - SOF
1 stop20h 10mAegean Airlines
Deal found 4/29$225
This SWISS deal was found by Cheapflights users on 4/29. 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.
Tue 5/131:15 pmSOF - LHR
2 stops10h 15mSWISS
Tue 6/38:05 pmLHR - SOF
1 stop12h 00mSWISS
Deal found 4/29$257
This deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:25 amSOF - LHR
Nonstop3h 40mBulgaria Air
Wed 9/245:55 pmLHR - SOF
Nonstop3h 20mBulgaria Air
Deal found 4/29$263
This Turkish Airlines deal was found by Cheapflights users on 4/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/129:25 amSOF - LHR
1 stop9h 15mTurkish Airlines
Wed 6/186:20 pmLHR - SOF
1 stop12h 15mTurkish Airlines
Deal found 4/29$396

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 April 30, 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 5/24

5:20 am-5:20 pm

1 stop14h 00m

London Heathrow

Sun 6/1

6:30 am-1:50 pm

1 stop5h 20m

$171

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 6/26

4:05 pm-12:30 pm

1 stop22h 25m

London Heathrow

Sun 6/29

7:25 pm-2:55 am

1 stop5h 30m

$172

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 5/16

7:25 pm-10:40 pm

1 stop5h 15m

London Heathrow

Mon 5/19

7:25 am-11:00 pm

1 stop13h 35m

$202

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 6/13

6:55 pm-9:40 pm

1 stop4h 45m

London Heathrow

Fri 6/20

6:40 pm-10:05 am

1 stop13h 25m

$218

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 9/8

6:55 pm-8:45 am

1 stop15h 50m

London Heathrow

Wed 9/24

6:00 am-6:10 pm

1 stop10h 10m

$221

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 5/24

3:25 pm-9:10 pm

1 stop7h 45m

London Heathrow

Sun 6/1

10:15 pm-8:25 pm

1 stop20h 10m

$225

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 5/13

1:15 pm-9:30 pm

2 stops10h 15m

London Heathrow

Tue 6/3

8:05 pm-10:05 am

1 stop12h 00m

$257

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 9/13

6:25 am-8:05 am

Nonstop3h 40m

London Heathrow

Wed 9/24

5:55 pm-11:15 pm

Nonstop3h 20m

$263

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 8/1

2:20 pm-3:55 pm

Nonstop3h 35m

London Heathrow

Mon 8/11

2:00 pm-7:10 pm

Nonstop3h 10m

$327

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 6/12

9:25 am-4:40 pm

1 stop9h 15m

London Heathrow

Wed 6/18

6:20 pm-8:35 am

1 stop12h 15m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results
1
2

Compare providers for flights from Sofia to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Heathrow in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 OneTravel the most. OneTravel 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, November is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of $661). Flying from Sofia to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 April 30, 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 in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% 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 March 30, 2025.

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 30, 2025.
Read through reviews of airlines operating flights from Sofia to London, such as Aegean Airlines, EL AL and LOT. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
739 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
EL AL
7.8
Good
531 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,069 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
780 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,588 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 3 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.

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

    Currently priced at $171, LOT will fly you from Sofia to London Heathrow Airport and back. In addition to LOT, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Serbia and Lufthansa - these airlines can fly you to your destination from $172 and $202, respectively. You may be able to fly from Sofia to London Heathrow Airport for 27% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $74 on Air Serbia. Other airlines that offer cheap prices include Bulgaria Air from $124 and Aegean Airlines from $128 one-way.

  • 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: Bulgaria Air (83%), American Airlines (83%), British Airways( 83%).

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

    Looking at all options, your cheapest flight can be booked for $100. While the most popular route (Sofia - London Heathrow) can be booked for $169 on average our data indicates $453 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, November is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of $661). Flying from Sofia to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 Sofia?

Book flights to Sofia if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Sofia to Heathrow

Discover the top 3 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$138Average$265FlexibilityNo cancel feeOn-time70%
Bulgaria AirCheapest$172Average$248FlexibilityNo cancel feeOn-time73%
LufthansaCheapest$214Average$371FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.