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Cheap flights from Southampton to Sofia from £151

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SOF
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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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 5 November 2025.

Fri 19/1208:10SOU - SOF
2 stops15h 20mMultiple Airlines
Fri 26/1221:45SOF - SOU
1 stop13h 00mMultiple Airlines
Deal found 4/11£270
Wed 17/1212:25SOU - SOF
2 stops21h 05mMultiple Airlines
Wed 24/1206:45SOF - SOU
3 stops32h 50mMultiple Airlines
Deal found 2/11£273
Wed 17/1217:30SOU - SOF
1 stop18h 35mKLM
Wed 24/1207:00SOF - SOU
1 stop12h 00mKLM
Deal found 2/11£499

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 5 November 2025.

Round-trip from

£270

One-way from

£151

Popular in

July

Cheapest in

November

Average price

£65
19/12-26/12
  • 19/12-26/12
  • 3 total stops
  • 28h 20m total
  • Southampton to Sofia
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 25h 25m total
  • Southampton to Sofia
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 5 November 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

Fri 19/12

08:10-01:30

2 stops15h 20m

Sofia

Fri 26/12

21:45-08:45

1 stop13h 00m

£270

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 17/12

12:25-11:30

2 stops21h 05m

Sofia

Wed 24/12

16:45-13:35

2 stops22h 50m

£273

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 14/1

06:50-20:10

2 stops11h 20m

Sofia

Wed 21/1

21:00-17:20

2 stops22h 20m

£415

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Mon 16/3

17:30-14:05

1 stop18h 35m

Sofia

Fri 20/3

07:00-17:00

1 stop12h 00m

£421

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 14/1

06:50-20:10

2 stops11h 20m

Sofia

Mon 19/1

17:25-17:20

2 stops25h 55m

£428

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 16/1

12:15-11:15

2 stops21h 00m

Sofia

Wed 21/1

21:00-17:20

2 stops22h 20m

£436

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 15/4

09:00-12:25

2 stops25h 25m

£151

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 15/4

17:35-14:00

1 stop18h 25m

£210

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 14/11

08:30-11:15

2 stops24h 45m

£304

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 13/11

08:30-11:15

2 stops48h 45m

£304

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 12 results
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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 £112). 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 5 November 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 £112). 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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Cheapflights helps you search for flights from Southampton to Sofia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Southampton to Sofia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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