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$61+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$143
(British Airways)

One-way from

$61
(British Airways)

Popular in

July

Cheapest in

November

Average price

$292

Good round-trip deal

$542 or less

Good one-way deal

$163 or less
From Sofia to London Heathrow
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One-way flight from Sofia to London Heathrow
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Highest demand for flights based on searches. 14% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 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 Heathrow.
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Price to beat on a one-way flight from Sofia to London Heathrow.
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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 July 3, 2025.

This British Airways deal was found by Cheapflights users on 7/2. 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.
Sat 11/2212:05 pmSOF - LHR
Nonstop3h 45mBritish Airways
Sun 11/237:50 amLHR - SOF
Nonstop3h 10mBritish Airways
Deal found 7/2$143
This Air Serbia deal was found by Cheapflights users on 7/1. 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.
Sat 9/205:00 amSOF - LHR
1 stop9h 30mAir Serbia
Mon 9/221:30 pmLHR - SOF
1 stop24h 05mAir Serbia
Deal found 7/1$182
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/26:40 pmSOF - LHR
1 stop16h 40mLOT
Sun 8/106:30 amLHR - SOF
1 stop17h 30mLOT
Deal found 7/1$192
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Tue 7/297:25 pmSOF - LHR
1 stop5h 15mLufthansa
Tue 8/57:25 amLHR - SOF
1 stop13h 35mLufthansa
Deal found 7/1$195
This Austrian Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 7/294:05 pmSOF - LHR
1 stop18h 55mAustrian Airlines
Fri 8/157:30 pmLHR - SOF
1 stop26h 25mAustrian Airlines
Deal found 7/3$228
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Thu 7/316:55 pmSOF - LHR
1 stop4h 45mMultiple Airlines
Thu 8/71:45 pmLHR - SOF
1 stop7h 15mMultiple Airlines
Deal found 7/3$235
This SWISS deal was found by Cheapflights users on 7/3. 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.
Fri 8/112:45 pmSOF - LHR
2 stops21h 10mSWISS
Tue 8/128:05 pmLHR - SOF
1 stop12h 00mSWISS
Deal found 7/3$268

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 July 3, 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 11/22

12:05 pm-1:50 pm

Nonstop3h 45m

London Heathrow

Sun 11/23

7:50 am-1:00 pm

Nonstop3h 10m

$143

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 9/20

5:00 am-12:30 pm

1 stop9h 30m

London Heathrow

Mon 9/22

1:30 pm-3:35 pm

1 stop24h 05m

$182

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 8/2

6:40 pm-9:20 am

1 stop16h 40m

London Heathrow

Sun 8/10

6:30 am-2:00 am

1 stop17h 30m

$192

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 7/29

7:25 pm-10:40 pm

1 stop5h 15m

London Heathrow

Tue 8/5

7:25 am-11:00 pm

1 stop13h 35m

$195

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 7/29

4:05 pm-9:00 am

1 stop18h 55m

London Heathrow

Fri 8/15

7:30 pm-11:55 pm

1 stop26h 25m

$228

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 7/31

6:55 pm-9:40 pm

1 stop4h 45m

London Heathrow

Thu 8/7

1:45 pm-11:00 pm

1 stop7h 15m

$235

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 8/1

12:45 pm-7:55 am

2 stops21h 10m

London Heathrow

Tue 8/12

8:05 pm-10:05 am

1 stop12h 00m

$268

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 7/13

9:10 pm-10:25 pm

Nonstop3h 15m

$61

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 9/29

4:05 pm-12:30 pm

1 stop22h 25m

$72

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 7/23

5:55 pm-8:05 pm

1 stop28h 10m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 14 results
1
2

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 $1,098). 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 July 3, 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 morning could potentially save you up to 16% 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 June 29, 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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 3, 2025.
Get a feel of what it's like to fly with Aegean Airlines, LOT, and Austrian Airlines from Sofia to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very good
761 reviews

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

Comfort

7.8

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
761 reviews
Aegean Airlines
8.2
Very good
761 reviews

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

Comfort

7.8

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
1,092 reviews
Aegean Airlines
8.2
Very good
761 reviews

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

Comfort

7.8

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
809 reviews
Aegean Airlines
8.2
Very good
761 reviews

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

Comfort

7.8

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
1,654 reviews
Aegean Airlines
8.2
Very good
761 reviews

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

Comfort

7.8

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
7,207 reviews
Aegean Airlines
8.2
Very good
761 reviews

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

Comfort

7.8

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 2 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 $143, British Airways will fly you from Sofia to London Heathrow Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Serbia and LOT - these airlines can fly you to your destination from $182 and $192, respectively. You may be able to fly from Sofia to London Heathrow Airport for 40% 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 $61 on British Airways. Other airlines that offer cheap prices include Air Serbia from $72 and Bulgaria Air from $125 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 (56%), American Airlines (52%), British Airways( 52%).

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

    Looking at all options, your cheapest flight can be booked for $129. While the most popular route (Sofia - London Heathrow) can be booked for $211 on average our data indicates $500 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 $1,098). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
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Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
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Chelmsford
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Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Sofia to Heathrow

Discover the top 2 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$138Average$265FlexibilityNo cancel feeOn-time70%
Bulgaria AirCheapest$172Average$249FlexibilityNo cancel feeOn-time73%

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