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Cheap flights from London Heathrow Airport to Sofia from C$ 121

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or March, booked 83 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 15 April 2025.

Round-trip from

C$ 223

One-way from

C$ 121

Popular in

December

Cheapest in

November

Average price

C$ 379
British Airways
  • British Airways
  • 30/4-18/5
  • Nonstop
  • 6h 30m total
  • London to Sofia
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British Airways
  • British Airways
  • 1/9
  • Nonstop
  • 3h 10m total
  • London to Sofia
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 15 April 2025.

Wed 30/43:25 p.m.LHR - SOF
Nonstop3h 15mBritish Airways
Sun 18/59:10 p.m.SOF - LHR
Nonstop3h 15mBritish Airways
Deal found 13/4C$ 223
Thu 9/101:30 p.m.LHR - SOF
1 stop24h 05mAir Serbia
Sat 11/104:05 p.m.SOF - LHR
1 stop5h 00mAir Serbia
Deal found 14/4C$ 259
Thu 8/51:45 p.m.LHR - SOF
1 stop7h 15mLufthansa
Thu 7/87:25 p.m.SOF - LHR
1 stop5h 15mLufthansa
Deal found 14/4C$ 284
Sat 10/510:25 a.m.LHR - SOF
1 stop5h 45mMultiple Airlines
Mon 19/57:25 p.m.SOF - LHR
1 stop5h 15mMultiple Airlines
Deal found 15/4C$ 288
Wed 30/48:05 p.m.LHR - SOF
1 stop12h 00mSWISS
Wed 14/510:50 a.m.SOF - LHR
1 stop23h 05mSWISS
Deal found 15/4C$ 304
Wed 30/410:25 a.m.LHR - SOF
1 stop5h 45mAustrian Airlines
Sun 18/58:00 a.m.SOF - LHR
1 stop26h 20mAustrian Airlines
Deal found 13/4C$ 315
Sat 19/48:55 a.m.LHR - SOF
Nonstop3h 10mBulgaria Air
Sat 3/56:25 a.m.SOF - LHR
Nonstop3h 40mBulgaria Air
Deal found 14/4C$ 402

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 629,999 searches. Data last updated 15 April 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

Wed 30/4

3:25 p.m.-8:40 p.m.

Nonstop3h 15m

Sofia

Sun 18/5

9:10 p.m.-10:25 p.m.

Nonstop3h 15m

C$ 223

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 9/10

1:30 p.m.-3:35 p.m.

1 stop24h 05m

Sofia

Sat 11/10

4:05 p.m.-7:05 p.m.

1 stop5h 00m

C$ 259

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 8/5

1:45 p.m.-11:00 p.m.

1 stop7h 15m

Sofia

Thu 7/8

7:25 p.m.-10:40 p.m.

1 stop5h 15m

C$ 284

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 10/5

10:25 a.m.-6:10 p.m.

1 stop5h 45m

Sofia

Mon 19/5

7:25 p.m.-10:40 p.m.

1 stop5h 15m

C$ 288

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 30/4

8:05 p.m.-10:05 a.m.

1 stop12h 00m

Sofia

Wed 14/5

10:50 a.m.-7:55 a.m.

1 stop23h 05m

C$ 304

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 30/4

10:25 a.m.-6:10 p.m.

1 stop5h 45m

Sofia

Sun 18/5

8:00 a.m.-8:20 a.m.

1 stop26h 20m

C$ 315

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 25/4

5:55 p.m.-11:15 p.m.

Nonstop3h 20m

Sofia

Sat 3/5

6:25 a.m.-8:05 a.m.

Nonstop3h 40m

C$ 402

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/9

2:00 p.m.-7:10 p.m.

Nonstop3h 10m

C$ 121

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 9/8

1:30 p.m.-3:35 p.m.

1 stop24h 05m

C$ 148

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 30/5

6:30 a.m.-2:00 p.m.

1 stop5h 30m

C$ 197

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 16 results
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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 11 April 2025.

The price you pay for your flight from London Heathrow Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of C$ 817). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of C$ 1,238). 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 15 April 2025.

It’s typically best to fly out from London Heathrow Airport to Sofia at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia ranges from 30.0 - 70.0 mm per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Sofia when rainfall is around 30.0 mm.

Temperature in Sofia by month

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

If weather is an important factor for your trip to Sofia, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 15 April 2025.
To help decide which airline to fly from London to Sofia, see what other customers have to say about KLM, LOT and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,065 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
775 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,578 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Lufthansa
6.7
Okay
7,004 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from London Heathrow. On average, Sofia has 0 inbound flights from London Heathrow per day from 0 airlines. Sofia is conveniently located just 6.7 km from Sofia’s city centre.

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

    Flying on British Airways is currently your cheapest option to Sofia, with prices starting at C$ 223. Additional round-trip tickets that might be worth considering are offered by Air Serbia and Lufthansa, with the lowest prices starting at C$ 259 and C$ 284, respectively. Users have found that British Airways is 38% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at C$ 121. Air Serbia flights start at C$ 148 while deals on KLM start at C$ 197 one-way.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Sofia consider choosing American Airlines (88%), British Airways (88%) or Bulgaria Air (84%) as they are the most reliable in getting you off to your destination on time.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of C$ 817). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of C$ 1,238). 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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