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Cheap flights from Southampton to Sofia from £225

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SOF
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£333

One-way from

£225

Popular in

July

Cheapest in

November

Average price

£224
24/8-31/8
  • 24/8-31/8
  • 4 total stops
  • 45h 40m total
  • Southampton to Sofia
24/8
  • 24/8
  • 2 total stops
  • 23h 20m total
  • Southampton to Sofia
Highest demand for flights based on searches. 27% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Southampton to Sofia

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 11 July 2025.

Sun 24/821:30SOU - SOF
2 stops23h 55mMultiple Airlines
Sun 31/823:45SOF - SOU
2 stops21h 45mMultiple Airlines
Deal found 10/7£333
Sat 23/817:35SOU - SOF
1 stop18h 25mKLM
Sat 30/807:00SOF - SOU
1 stop27h 45mKLM
Deal found 9/7£640
Wed 23/708:40SOU - SOF
2 stops10h 00mBritish Airways
Wed 13/821:30SOF - SOU
2 stops16h 30mBritish Airways
Deal found 10/7£1,528

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 11 July 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 24/8

21:30-23:25

2 stops23h 55m

Sofia

Sun 31/8

23:45-19:30

2 stops21h 45m

£333

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 23/8

17:35-14:00

1 stop18h 25m

Sofia

Sat 30/8

07:00-08:45

1 stop27h 45m

£640

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 23/7

08:40-20:40

2 stops10h 00m

Sofia

Wed 13/8

21:30-12:00

2 stops16h 30m

£1,528

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 24/8

14:50-16:10

2 stops23h 20m

£225

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 20/7

19:55-19:10

2 stops21h 15m

£935

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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, January is the cheapest month in which you can book a flight from Southampton to Sofia (average of £88). Flying from Southampton to Sofia in August is currently the most expensive (average of £311). 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 11 July 2025.

When flying from Southampton to Sofia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with KLM and British Airways from Southampton to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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, January is the cheapest month in which you can book a flight from Southampton to Sofia (average of £88). Flying from Southampton to Sofia in August is currently the most expensive (average of £311). 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

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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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