HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$99+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Sofia 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.
Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in January or November, booked 7 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 May 20, 2026.

This Travelocity deal was found by Cheapflights users on 5/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:55 pm
LHR
-
SOF
Nonstop3h 15m
British Airways
Wed 12/239:00 pm
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 5/19$162
This British Airways deal was found by Cheapflights users on 5/19. 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 12/67:50 am
LHR
-
SOF
Nonstop3h 10m
British Airways
Mon 12/215:25 pm
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 5/19$174
This oojo deal was found by Cheapflights users on 5/20. 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 10/136:30 am
LHR
-
SOF
1 stop17h 25m
LOT
Wed 10/216:45 pm
SOF
-
LHR
1 stop16h 35m
LOT
Deal found 5/20$189
This oojo deal was found by Cheapflights users on 5/19. 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.
Wed 12/96:30 am
LHR
-
SOF
1 stop5h 20m
LOT
Wed 12/236:35 pm
SOF
-
LHR
1 stop5h 25m
LOT
Deal found 5/19$202
This British Airways deal was found by Cheapflights users on 5/19. 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.
Mon 12/711:10 am
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 12/239:00 pm
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 5/19$203
This oojo deal was found by Cheapflights users on 5/15. 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.
Sun 9/206:30 am
LHR
-
SOF
1 stop17h 25m
LOT
Sun 9/276:45 pm
SOF
-
LHR
1 stop24h 25m
LOT
Deal found 5/15$206
This oojo deal was found by Cheapflights users on 5/19. 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 9/296:30 am
LHR
-
SOF
1 stop17h 25m
LOT
Mon 10/56:45 pm
SOF
-
LHR
1 stop5h 15m
LOT
Deal found 5/19$215
This oojo deal was found by Cheapflights users on 5/19. 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 12/16:30 am
LHR
-
SOF
1 stop5h 20m
LOT
Tue 12/292:35 pm
SOF
-
LHR
1 stop21h 00m
LOT
Deal found 5/19$216
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/108:50 pm
LHR
-
SOF
1 stop10h 55m
Multiple Airlines
Sat 6/204:00 pm
SOF
-
LHR
1 stop5h 05m
Multiple Airlines
Deal found 5/16$219
This oojo deal was found by Cheapflights users on 5/20. 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.
Mon 6/157:25 am
LHR
-
SOF
1 stop13h 50m
Lufthansa
Tue 6/167:25 pm
SOF
-
LHR
1 stop5h 15m
Lufthansa
Deal found 5/20$221
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Tue 12/86:30 am
LHR
-
SOF
1 stop5h 20m
LOT
Tue 12/226:35 pm
SOF
-
LHR
1 stop5h 25m
LOT
Deal found 5/19$222

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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(oojo)

One-way from

$99
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$299

Good round-trip deal

$356 or less

Good one-way deal

$184 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, 14% 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 May 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 May 20, 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

Mon 6/8

8:05 pm-12:10 pm

2 stops14h 05m

Sofia

Tue 6/16

1:05 pm-4:25 pm

1 stop5h 20m

$280

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 6/8

8:05 pm-12:10 pm

2 stops14h 05m

Sofia

Wed 6/17

11:05 am-4:25 pm

1 stop7h 20m

$280

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 8/16

7:25 pm-3:00 am

1 stop5h 35m

Sofia

Sat 8/22

5:00 am-12:30 pm

1 stop9h 30m

$306
Quickest round-trip

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 10/1

6:00 am-6:10 pm

1 stop10h 10m

Sofia

Thu 10/15

6:55 pm-9:40 pm

1 stop4h 45m

$306

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 8/16

7:25 pm-3:00 am

1 stop5h 35m

Sofia

Thu 8/20

5:00 am-12:30 pm

1 stop9h 30m

$306

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 8/15

7:55 pm-3:30 pm

1 stop17h 35m

Sofia

Sat 8/22

5:00 am-12:30 pm

1 stop9h 30m

$306

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 6/10

6:40 pm-12:10 pm

2 stops15h 30m

Sofia

Thu 6/18

11:05 am-4:25 pm

1 stop7h 20m

$329

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 6/13

7:55 pm-3:30 pm

1 stop17h 35m

Sofia

Mon 6/15

4:00 pm-12:30 pm

1 stop22h 30m

$333

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 6/15

6:00 am-2:55 pm

1 stop6h 55m

Sofia

Tue 6/16

1:05 pm-9:30 pm

2 stops10h 25m

$337
Cheapest one-way
Quickest one-way

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 11/16

11:10 am-4:20 pm

Nonstop3h 10m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 19 resultsSorted by cheapest first
1
2
  • 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 6 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 $380). 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 May 20, 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?

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 May 20, 2026.
Get a feel of what it's like to fly with Lufthansa 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
8,014 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Entertainment

6.4

Food

6.3

Overall

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
8,014 reviews
Lufthansa
6.8
Okay
8,014 reviews

Comfort

6.8

Crew

7.6

Boarding

7.0

Entertainment

6.4

Food

6.3

Overall

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

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. 1 airline has 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 5h 35m. SWISS provides one of the quickest options available for as low as $306. Airlines will cover a distance of 1267 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London Heathrow Airport to Sofia round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Sofia round-trip from $204. Users have found that Lufthansa is 28% 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 $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 $357, our data indicates the cheapest price to be $146. The most popular route (London Heathrow - Sofia), is priced around $231.

  • 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 $380). 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

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.

Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Sofia car rentals
Sofia Airport car rentals
Plovdiv Airport car rentals

Top airline flying from Heathrow to Sofia

Discover the top airline 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 May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$204Average$284FlexibilityNo 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.