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Cheap flights from Southampton to Sofia from £233

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SOF
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southampton to Sofia

Enter your travel dates to find the best prices.

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

Sun 14/1220:10SOU - SOF
2 stops24h 40mMultiple Airlines
Sun 21/1220:55SOF - SOU
2 stops24h 25mMultiple Airlines
Deal found 30/10£233
Fri 14/1113:30SOU - SOF
2 stops19h 45mBritish Airways
Mon 17/1117:25SOF - SOU
2 stops22h 40mBritish Airways
Deal found 29/10£480
Sat 15/1108:55SOU - SOF
2 stops26h 05mBritish Airways
Mon 17/1117:25SOF - SOU
2 stops22h 40mBritish Airways
Deal found 29/10£485
Fri 14/1108:40SOU - SOF
2 stops24h 35mBritish Airways
Sun 16/1114:30SOF - SOU
2 stops19h 30mBritish Airways
Deal found 29/10£883

Cheap flight deals from Southampton to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) 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 31 October 2025.

Round-trip from

£233

Popular in

July

Cheapest in

November

Average price

£109
14/12-21/12
  • 14/12-21/12
  • 4 total stops
  • 49h 05m total
  • Southampton to Sofia
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton 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 858,174 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from Southampton to Sofia that are best for you.

Fly from

Southampton

Fly to

Sofia

Route

Depart

Return

Price

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 14/12

20:10-22:50

2 stops24h 40m

Sofia

Sun 21/12

20:55-19:20

2 stops24h 25m

£233

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 6/3

12:15-13:00

2 stops46h 45m

Sofia

Mon 9/3

17:25-17:20

2 stops25h 55m

£390

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Mon 16/3

17:30-14:05

1 stop18h 35m

Sofia

Fri 20/3

07:00-08:50

1 stop27h 50m

£419

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 7/3

08:55-13:00

2 stops26h 05m

Sofia

Mon 9/3

17:25-17:20

2 stops25h 55m

£422

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 14/11

13:30-11:15

2 stops19h 45m

Sofia

Mon 17/11

17:25-14:05

2 stops22h 40m

£480

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 15/11

08:55-13:00

2 stops26h 05m

Sofia

Mon 17/11

17:25-14:05

2 stops22h 40m

£485

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Best time to book a flight from Southampton to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Southampton with our price prediction graph.
Estimated return 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 Southampton to Sofia

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

Currently, November is the cheapest month in which you can book a flight from Southampton to Sofia (average of £28). Flying from Southampton to Sofia in August is currently the most expensive (average of £111). 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 SOU to SOF?

Find hourly flight availability from Southampton 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 31 October 2025.

One of the essential ways to save on airfare from Southampton to Sofia is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 60% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton 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 Southampton to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Southampton to Sofia (average of £28). Flying from Southampton to Sofia in August is currently the most expensive (average of £111). 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

Travelling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Velingrad

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Sofia?

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Can Cheapflights find flights from Southampton to Sofia with no change fees?

Yes, we can. To see specific flights from Southampton to Sofia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Southampton to Sofia become cheaper?

Of course! You can now track prices for flights from Southampton to Sofia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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