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$97+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$136
(British Airways)

One-way from

$97
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$272

Good round-trip deal

$577 or less

Good one-way deal

$333 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. 12% potential increase in price ($35 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 June 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 junio 12, 2025.

This British Airways deal was found by Cheapflights users on 6/10. 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.
vie. 11/78:15 pmSOF - LHR
Nonstop3h 35mBritish Airways
mar. 11/1811:55 amLHR - SOF
Nonstop3h 10mBritish Airways
Deal found 6/10$136
This Air Serbia deal was found by Cheapflights users on 6/12. 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.
sáb. 10/254:05 pmSOF - LHR
1 stop5h 00mAir Serbia
dom. 11/21:20 pmLHR - SOF
1 stop11h 40mAir Serbia
Deal found 6/12$199
This Lufthansa deal was found by Cheapflights users on 6/10. 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. 11/76:05 amSOF - LHR
1 stop11h 45mLufthansa
mar. 11/181:50 pmLHR - SOF
1 stop6h 55mLufthansa
Deal found 6/10$205
This Mytrip deal was found by Cheapflights users on 6/11. 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. 9/46:40 pmSOF - LHR
1 stop5h 20mLOT
sáb. 9/2710:15 amLHR - SOF
1 stop25h 35mLOT
Deal found 6/11$211
This Lufthansa deal was found by Cheapflights users on 6/10. 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.
mié. 9/176:55 pmSOF - LHR
1 stop4h 45mAustrian Airlines
dom. 9/2110:25 amLHR - SOF
1 stop5h 45mAustrian Airlines
Deal found 6/10$220
This Travelocity deal was found by Cheapflights users on 6/12. 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.
vie. 7/47:25 pmSOF - LHR
1 stop5h 15mMultiple Airlines
lun. 8/48:05 pmLHR - SOF
1 stop14h 25mMultiple Airlines
Deal found 6/12$229
This SmartFares deal was found by Cheapflights users on 6/11. 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.
mié. 9/173:20 pmSOF - LHR
Nonstop3h 25mBulgaria Air
dom. 9/218:55 amLHR - SOF
Nonstop3h 10mBulgaria Air
Deal found 6/11$250
This SWISS deal was found by Cheapflights users on 6/10. 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. 6/241:15 pmSOF - LHR
1 stop6h 35mSWISS
lun. 6/308:05 pmLHR - SOF
2 stops13h 55mSWISS
Deal found 6/10$278

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 junio 12, 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

vie. 11/7

8:15 pm-9:50 pm

Nonstop3h 35m

London Heathrow

mar. 11/18

11:55 am-5:05 pm

Nonstop3h 10m

$136

SofiaLondon

SOF - LHR

SOFLHR

Sofia

sáb. 10/25

4:05 pm-7:05 pm

1 stop5h 00m

London Heathrow

dom. 11/2

1:20 pm-3:00 am

1 stop11h 40m

$199

SofiaLondon

SOF - LHR

SOFLHR

Sofia

vie. 11/7

6:05 am-3:50 pm

1 stop11h 45m

London Heathrow

mar. 11/18

1:50 pm-10:45 pm

1 stop6h 55m

$205

SofiaLondon

SOF - LHR

SOFLHR

Sofia

jue. 9/4

6:40 pm-10:00 pm

1 stop5h 20m

London Heathrow

sáb. 9/27

10:15 am-1:50 pm

1 stop25h 35m

$211

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mié. 9/17

6:55 pm-9:40 pm

1 stop4h 45m

London Heathrow

dom. 9/21

10:25 am-6:10 pm

1 stop5h 45m

$220

SofiaLondon

SOF - LHR

SOFLHR

Sofia

vie. 7/4

7:25 pm-10:40 pm

1 stop5h 15m

London Heathrow

lun. 8/4

8:05 pm-12:30 pm

1 stop14h 25m

$229

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mié. 9/17

3:20 pm-4:45 pm

Nonstop3h 25m

London Heathrow

dom. 9/21

8:55 am-2:05 pm

Nonstop3h 10m

$250

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mar. 6/24

1:15 pm-5:50 pm

1 stop6h 35m

London Heathrow

lun. 6/30

8:05 pm-12:00 pm

2 stops13h 55m

$278

SofiaLondon

SOF - LHR

SOFLHR

Sofia

vie. 6/27

3:35 pm-8:50 pm

1 stop7h 15m

London Heathrow

jue. 7/3

6:00 pm-8:35 am

1 stop12h 35m

$421

SofiaLondon

SOF - LHR

SOFLHR

Sofia

mié. 7/23

5:55 pm-9:10 am

1 stop17h 15m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 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 $1,108). 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 junio 12, 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 afternoon could potentially save you up to 18% 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 8, 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Sofia to London, such as Aegean Airlines, EL AL and LOT. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very good
759 reviews

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Crew

8.6

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
759 reviews
Aegean Airlines
8.2
Very good
759 reviews

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
EL AL
7.8
Good
540 reviews
Aegean Airlines
8.2
Very good
759 reviews

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Crew

8.6

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
1,077 reviews
Aegean Airlines
8.2
Very good
759 reviews

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Crew

8.6

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
802 reviews
Aegean Airlines
8.2
Very good
759 reviews

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Crew

8.6

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
1,623 reviews
Aegean Airlines
8.2
Very good
759 reviews

Entertainment

7.0

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Crew

8.6

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 $136, 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 Lufthansa - these airlines can fly you to your destination from $199 and $205, respectively. You may be able to fly from Sofia to London Heathrow Airport for 42% 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 $98 on Air Serbia. Other airlines that offer cheap prices include British Airways from $104 and Aegean Airlines from $108 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 (73%), American Airlines (63%), British Airways( 63%).

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

    Looking at all options, your cheapest flight can be booked for $122. While the most popular route (Sofia - London Heathrow) can be booked for $212 on average our data indicates $548 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 $1,108). 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?

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$138Average$265FlexibilityNo cancel feeOn-time70%
Bulgaria AirCheapest$172Average$249FlexibilityNo cancel feeOn-time73%

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