SOF - LHR

$74 Find Cheap Flights from Sofia to London Heathrow Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sofia to London departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$161
Typical prices: $223-$315
British Airways
Mon 12/7Wed 12/9
SOF - LHR • Non-stop
Cheapest one-way
$74
Typical prices: $125-$172
Air Serbia
Fri 11/6
SOF - LHR • 1 stop
Nonstop flights
Mon, Wed, Fri, Sat, Sun
You can fly direct with Bulgaria Air and British Airways. Average duration is 3h 37m
Direct flights
Direct flights
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Direct flights
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Top airlines
Cheapest • from $161 (round-trip)
Best reviews • 6.8 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Top layover airports
Cheapest • Avg $222 (round-trip)
Shortest trip • 5h 13m (one-way)
Insights
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Insights
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
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Insights
Insights
When to travel
Cheapest • 100% price drop
Most popular
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Flight Deals

Cheap Flights from Sofia to London (SOF-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sofia to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sofia to London

Mon, Dec 7 - Wed, Dec 9
British Airways Logo
5:15 pm - 6:45 pm
SOF
-
LHR
3h 30mnonstop
British Airways Logo
2:55 pm - 8:10 pm
LHR
-
SOF
3h 15mnonstop
$161British Airways
Mon, Dec 7 - Wed, Dec 9
British Airways Logo
5:15 pm - 6:45 pm
SOF
-
LHR
3h 30mnonstop
British Airways Logo
2:55 pm - 8:10 pm
LHR
-
SOF
3h 15mnonstop
$161British Airways
Mon, Dec 7 - Wed, Dec 9
British Airways Logo
5:15 pm - 6:45 pm
SOF
-
LHR
3h 30mnonstop
British Airways Logo
2:55 pm - 8:10 pm
LHR
-
SOF
3h 15mnonstop
$162British Airways
Mon, Nov 2 - Thu, Nov 12
Air Serbia Logo
4:05 pm - 12:25 pm
SOF
-
LHR
22h 20m
1 stop
Air Serbia Logo
1:20 pm - 3:25 pm
LHR
-
SOF
24h 05m
1 stop
$177Air Serbia
Mon, Nov 2 - Fri, Nov 6
Air Serbia Logo
4:05 pm - 12:25 pm
SOF
-
LHR
22h 20m
1 stop
Air Serbia Logo
1:20 pm - 3:25 pm
LHR
-
SOF
24h 05m
1 stop
$177Air Serbia
Mon, Nov 2 - Sun, Nov 8
Air Serbia Logo
4:05 pm - 12:25 pm
SOF
-
LHR
22h 20m
1 stop
Air Serbia Logo
1:20 pm - 3:00 am
LHR
-
SOF
11h 40m
1 stop
$177Air Serbia
Fri, Dec 4 - Mon, Dec 7
British Airways Logo
8:30 pm - 9:55 pm
SOF
-
LHR
3h 25mnonstop
British Airways Logo
11:10 am - 4:20 pm
LHR
-
SOF
3h 10mnonstop
$186British Airways
Wed, Sep 16 - Sat, Sep 19
Lufthansa Logo
7:25 pm - 10:40 pm
SOF
-
LHR
5h 15m
1 stop
Lufthansa Logo
7:25 am - 6:40 pm
LHR
-
SOF
9h 15m
1 stop
$217Lufthansa
Thu, Sep 17 - Sat, Sep 19
Lufthansa Logo
7:25 pm - 10:40 pm
SOF
-
LHR
5h 15m
1 stop
Lufthansa Logo
7:25 am - 6:40 pm
LHR
-
SOF
9h 15m
1 stop
$227Lufthansa
Tue, Dec 22 - Sun, Jan 3
Lufthansa Logo
7:05 pm - 10:55 pm
SOF
-
LHR
5h 50m
1 stop
Lufthansa Logo
7:40 am - 6:20 pm
LHR
-
SOF
8h 40m
1 stop
$243Lufthansa
Booking Insights

KAYAK's insights & trends for Sofia to London flights

Get data-powered insights and trends into flights from Sofia to London to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Sofia to London Heathrow Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sofia to London Heathrow Airport departing in December.

Flight prices are below average for this route right now.

Flights to London Heathrow Airport from Sofia usually cost between $335 and $399 in December.
The lowest price found in the past 5 days was $161 on British Airways (Dec 7-Dec 9).

What’s the cheapest day of the week to fly from Sofia to London Heathrow Airport?

The average price of all round-trip flights from Sofia to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to London Heathrow Airport on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Tuesday is the most expensive day to fly from Sofia to London Heathrow Airport. For your return ticket, we recommend flying on a Thursday and avoiding Mondays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sofia to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sofia to London Heathrow Airport is June, where tickets cost $0 (return) on average. On the other hand, the most expensive months are August and September, where the average cost of round-trip tickets is $397 and $344 respectively.

Can I save money by flying with a layover from Sofia to London Heathrow Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $253 on average.

Expert advice

Expert advice for your flight from Sofia to London

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Good to know

Low season

March

Cheapest flight

$74
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from Sofia to London Heathrow Airport

When to book flights from Sofia to London

Are your dates flexible? Find out the best times to travel from Sofia to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sofia to London Heathrow Airport flights

  • How many flights are there between Sofia and London Heathrow Airport per day?

    Each day, there are between 1 and 2 nonstop flights that take off from Sofia and land in London Heathrow Airport, with an average flight time of 3h 37m. The most common departure time is 6:00 am and most flights take off in the morning. Each week, there are 9 flights. The most frequent day of departure is Monday, when 22% of all weekly flights depart. The fewest flights depart on a Saturday.

  • What is the cheapest flight from Sofia to London Heathrow Airport?

    In the last 5 days, the lowest price for a flight from Sofia to London Heathrow Airport was $74 for a one-way ticket and $161 for a round-trip.

  • Do I need a passport to fly between Sofia and London Heathrow Airport?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Sofia and on arrival in London Heathrow Airport.

  • Which aircraft models fly most regularly from Sofia to London Heathrow Airport?

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Sofia to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Sofia to London Heathrow Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Sofia and London Heathrow Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Sofia to London Heathrow Airport?

    You can catch a nonstop flight from Sofia to London Heathrow Airport on Monday, Wednesday, Friday, Saturday, and Sunday.

  • Which is the best airline for flights from Sofia to London, Lufthansa or British Airways?

    The two airlines most popular with KAYAK users for flights from Sofia to London are Lufthansa and British Airways. With an average price for the route of $202 and an overall rating of 6.8, Lufthansa is the most popular choice. British Airways is also a great choice for the route, with an average price of $215 and an overall rating of 6.7.

  • How does KAYAK find such low prices on flights from Sofia to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Sofia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sofia to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Sofia with another airline. Booking your flights between Sofia and LHR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Sofia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sofia to London Heathrow Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $135 or less one-way.

Prefer to fly direct from Sofia to London Heathrow Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Sofia to London Heathrow.
Find which airlines fly direct from Sofia Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Sofia to London Heathrow

Monday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Wednesday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Friday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Saturday

Bulgaria Air

Bulgaria Air

Sunday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

See more direct flights

Direct returns

London Heathrow to Sofia

Monday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Wednesday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Friday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Saturday

Bulgaria Air

Bulgaria Air

Sunday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

See more direct flights

Reviews of the top airlines flying from Sofia to London

 
See real verified KAYAK customer reviews for airlines flying from Sofia to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sofia to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.8
LufthansaOverall score based on 8163 reviews
7.6Crew
6.4Entertainment
6.8Comfort
7.0Boarding
6.3Food
Airline reviews

Flights were delayed and due to a checked hand luggage bag by an overzealous gate agent in Berlin I missed my ground connection costing me another £80. Food was cold and bland, I honestly expect better from a national carrier operating out of one of their major hubs.

4.0 OkayZak, Mar 2026
MUC - LHR
Read more Lufthansa reviews

Flights were delayed and due to a checked hand luggage bag by an overzealous gate agent in Berlin I missed my ground connection costing me another £80. Food was cold and bland, I honestly expect better from a national carrier operating out of one of their major hubs.

A bit more space? Not practical, I know. I felt squished in but part of that could have been the man sitting next to me.

It was my first experience in business class. It was everything I expected and more. Service was impeccable, food was delicious and I felt rested once I arrived to London

Missed our flight to London and we were put on coach seats to Munich.

Seats were terribly uncomfortable! Couldn’t sleep! I paid for good seats when scheduled with Lufthansa, got crappy mid-section seats on Air Canada!

The seats are much too narrow and the arm rests are hard and awkwardly high, resulting in shoulder cramps. I am an average sized person ( definitely not overweight). The seats are a similar size to car seats with the added discomfort of incorporating hard plastic arm rests, that force average height individuals (I'm 5 ft 7 (f)) to hold their arms uncomfortably for several hours. The seats are much too close to the ones in front and behind making it extremely difficult to allow fellow passengers to get out, especially when the seat in front is declined. The leg room also necessitates knees banging into passengers backs for the entire flight. This used to be a quality airline who now offer mediocre service for premium cost, coupled with charging exorbitant prices for basic needs, like a seat, or luggage. Blatant and unabashed gouging of clients.

Try to humanize onboarding and take AI out. It's embarrassing and useless

I ended up buying (for $340) "extra space" seats because I my flying partner was given a STY boarding pass, leading me to conclude that she was on standby and that we had to buy seats on the flight. I later learned that the flight was not sold out and that we could have gotten on as usual. To be honest, I felt swindled.

I'm Canadian. I have the unfortunate experience of pretty not having the choice to fly with them. THEY ARE TERRIBLE.

The process overall was pretty seamless, and the crew were very friendly (especially Michael). Considering we booked expecting Lufthansa and the flight was operated by United, it was still a very good service and journey overall. The in-flight entertainment was great, with lots of quality options. One slight negative was that I had selected a vegetarian meal prior to flying, but received a vegan one. I think there should be more dietary options as it meant I missed out on some food that I would have preferred (and it seemed like the standard meals and snacks had a vegetarian option anyway). There was also a group of people who were moving around a lot and being generally disruptive at the quietest part of the flight, when the lights were off and most people were sleeping. I would have appreciated staff stepping in to encourage them to be mindful of others). Towards the end of the flight (which was very early in the morning in both time zones), the lights suddenly came on and breakfast was served. In my opinion, this was too early, and everyone was rudely awoken from sleep. After breakfast was cleared away, the lights went off again for about 45 minutes, allowing people to sleep some more. Then the lights came on again for landing. It seems like if they had served breakfast later, the lights on-lights off-lights on shenanigans could have been avoided, and people could have slept longer (and staff could have rested longer too).

The seats are not comfortable if you are not tall.

The flight was cancelled and I was re-routed via an inconvenient routing proposed.

Overall great! They could add more entertainment option. They kept running out of vegetarian food options and I got travel packs. This happened on all legs of the flight. Need to plan for it better - I am sure you have some data analytics from all your travels.

Better service to offer drinks in the middle of the trip

They can improve Everything, a 12 hour flight has just 2 meals and the meals are 7 hours apart, wtf are they thinking. At the very least they should have 2 refreshments like some small snacks with some water or some other refreshments since there are people travelling with medical conditions. The services and seats were genuinely horrible

As I remember my last BA flight - mediocre at best. Uncomfortable with poor and minimal food and drinks. Screen broke shortly into flight so didn’t have access to entertainment either.

They gave away my business class seat. No explanation and no apology. Told me I had to take the downgrade if I wanted to get to India. Then no WiFi for 10 hours. Just ridiculous. We should not work with this company at Deloitte. They don’t know how to run a business.

The British airways from Dallas to London is not great , the food is not good at all but BA from London to Delhi is amazing food is great.

It made me feel safe that the crew diligently check our seatbelts. One crew member was so very patient with a passenger in explaining to him why his daughter’s car seat had to be buckled in a certain way. This passenger and his wife were quite argumentative and she maintained her composure brilliantly.

inedible food, rude and incompetent crew, un-necessary and un-justified delays

Everything you need to know for your flight from Sofia to London

Information on your arrival and departure airports