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$70+ Cheap flights from Sofia (SOF) to London (LON)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LON
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Sofia to London are usually found in March or November, booked 66 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from Sofia to London

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to London (LON). 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 31, 2025.

Round-trip from

$166
(Air Serbia)

One-way from

$70
(Air Serbia)

Popular in

July

Cheapest in

March

Average price

$211

Good round-trip deal

$66 or less

Good one-way deal

$23 or less
From Sofia to London (LON)
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One-way flight from Sofia to London (LON)
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Highest demand for flights based on searches. 26% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($7 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 Sofia to London (LON).
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Price to beat on a one-way flight from Sofia to London (LON).
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Find flight deals from Sofia to London

Cheapest flights from Sofia to London
Explore the most affordable flight options available from Sofia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Air Serbia deal was found by Cheapflights users on 7/31. 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.
jue. 9/254:05 pmSOF - LHR
1 stop22h 25mAir Serbia
sáb. 9/271:30 pmLHR - SOF
1 stop24h 05mAir Serbia
Deal found 7/31$166
This Mytrip deal was found by Cheapflights users on 7/31. 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.
jue. 9/255:20 amSOF - LHR
1 stop6h 00mLOT
mié. 10/16:10 pmLHR - SOF
1 stop17h 40mLOT
Deal found 7/31$181
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
vie. 9/57:25 pmSOF - LHR
1 stop5h 15mLufthansa
jue. 9/117:25 amLHR - SOF
1 stop9h 15mLufthansa
Deal found 7/31$206
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
mié. 10/291:15 pmSOF - LHR
1 stop5h 20mMultiple Airlines
dom. 11/27:50 amLHR - SOF
Nonstop3h 10mMultiple Airlines
Deal found 7/31$216
This Austrian Airlines deal was found by Cheapflights users on 7/31. 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.
jue. 9/46:55 pmSOF - LHR
1 stop15h 50mAustrian Airlines
vie. 9/127:30 pmLHR - SOF
1 stop26h 25mAustrian Airlines
Deal found 7/31$222
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/46:25 amSOF - LHR
Nonstop3h 40mBulgaria Air
lun. 1/55:45 pmLHR - SOF
Nonstop3h 10mBulgaria Air
Deal found 7/30$252
This SWISS deal was found by Cheapflights users on 7/31. 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.
mar. 9/231:15 pmSOF - LHR
1 stop5h 10mSWISS
sáb. 9/275:10 pmLHR - SOF
2 stops16h 50mSWISS
Deal found 7/31$259

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to London 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 31, 2025.
Use the filters below to find and compare flights from Sofia to London that are best for you.

Fly from

Sofia

Fly to

London

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

jue. 9/25

4:05 pm-12:30 pm

1 stop22h 25m

London Heathrow

sáb. 9/27

1:30 pm-3:35 pm

1 stop24h 05m

$166

SofiaLondon

SOF - LHR

SOFLHR

Sofia

jue. 9/25

5:20 am-9:20 am

1 stop6h 00m

London Heathrow

mié. 10/1

6:10 pm-1:50 pm

1 stop17h 40m

$181

SofiaLondon

SOF - LHR

SOFLHR

Sofia

vie. 9/5

7:25 pm-10:40 pm

1 stop5h 15m

London Heathrow

jue. 9/11

7:25 am-6:40 pm

1 stop9h 15m

$206

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mié. 10/29

1:15 pm-4:35 pm

1 stop5h 20m

London Heathrow

dom. 11/2

7:50 am-1:00 pm

Nonstop3h 10m

$216

SofiaLondon

SOF - LHR

SOFLHR

Sofia

jue. 9/4

6:55 pm-8:45 am

1 stop15h 50m

London Heathrow

lun. 9/8

6:00 am-11:40 am

1 stop27h 40m

$222

SofiaLondon

SOF - LHR

SOFLHR

Sofia

sáb. 10/4

6:25 am-8:05 am

Nonstop3h 40m

London Heathrow

lun. 1/5

5:45 pm-10:55 pm

Nonstop3h 10m

$252

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mar. 9/23

1:15 pm-4:25 pm

1 stop5h 10m

London Heathrow

sáb. 9/27

5:10 pm-12:00 pm

2 stops16h 50m

$259

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mar. 9/16

4:05 pm-12:30 pm

1 stop22h 25m

$70

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mié. 10/15

11:30 am-9:55 pm

2 stops12h 25m

$109

SofiaLondon

SOF - LHR

SOFLHR

Sofia

lun. 10/13

3:20 pm-4:45 pm

Nonstop3h 25m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 15 results
1
2

Best time to book a flight from Sofia to London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Sofia to London?

Use this chart to determine the optimal time to book a round-trip flight from Sofia to London. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Sofia to London, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Sofia to London (average of $661). Flying from Sofia to London in June is currently the most expensive (average of $1,097). 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 LON?

Find hourly flight availability from Sofia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

It’s typically best to fly out from Sofia to London in the morning. Doing so could potentially save you 78% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Sofia to London?

Use this chart to determine the cheapest time to fly round-trip from Sofia to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sofia to London flight should consider departing on Tuesday 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.

Weekly flight availability from Sofia to London

Explore weekly flight availability from Sofia to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 31, 2025.

The most flights from SOF to LON are scheduled on a Wednesday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Sofia to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated julio 31, 2025.
Read reviews from past customers who have flown Aegean Airlines, LOT, and Austrian Airlines from Sofia to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very good
781 reviews

Crew

8.6

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

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
8.2
Very good
781 reviews
Aegean Airlines
8.2
Very good
781 reviews

Crew

8.6

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

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
1,105 reviews
Aegean Airlines
8.2
Very good
781 reviews

Crew

8.6

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

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
823 reviews
Aegean Airlines
8.2
Very good
781 reviews

Crew

8.6

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

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
1,686 reviews
Aegean Airlines
8.2
Very good
781 reviews

Crew

8.6

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.8
Okay
7,275 reviews
Aegean Airlines
8.2
Very good
781 reviews

Crew

8.6

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

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 London. 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?

    Located just 4.2 mi from the city center, Sofia is the airport most travelers will use when flying to London from Sofia. Booking flights from Sofia (SOF) to London should be relatively easy as there are 2 daily outbound flights to London from 4 different airlines.

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

    Air Serbia, at $166, was found to be the cheapest airline from Sofia to London.Alternate airlines to your destination round-trip include LOT and Lufthansa.

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

    For one-way options, check prices for Air Serbia. According to our data, you can fly for as low as $70. Users have also found prices from $123 and $128 on Bulgaria Air and Aegean Airlines, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sofia to London on time: Bulgaria Air (67%), American Airlines (54%), British Airways (54%).

  • What are the cheapest flights from Sofia to London?

    Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Sofia - London Heathrow) can be booked for $209 on average our data indicates $533 when flying from Sofia to London.

  • Can I find deals for flights from Sofia to London that include hotel bookings?

    Yes. In addition to deals on Sofia to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sofia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sofia to London.

  • Can I find deals for business class flights from Sofia to London?

    Yes. Cheapflights offers flight deals from Sofia to London 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?

    Currently, November is the cheapest month in which you can book a flight from Sofia to London (average of $661). Flying from Sofia to London in June is currently the most expensive (average of $1,097). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
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Orpington
Watford
Gatwick
Borehamwood
Dartford
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Bishop's Stortford
Eastbourne

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Alternative routes for Sofia to London

See prices for flight routes from nearby airports that may be better suited for you.
Sofia to Heathrow flights

Top 4 airlines flying from Sofia to London

Discover the top 4 airlines that operate flights from Sofia to London. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest$39Average$121FlexibilityNo cancel feeOn-time83%
RyanairCheapest$63Average$102FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$138Average$218FlexibilityNo cancel feeOn-time70%
Bulgaria AirCheapest$145Average$243FlexibilityNo cancel feeOn-time73%

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