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Cheap flights from Southampton to Sofia from £165

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SOF
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 February 2026.

Tue 3/309:20
SOU
-
SOF
2 stops23h 20m
Multiple Airlines
Sun 8/322:30
SOF
-
SOU
1 stop12h 15m
Multiple Airlines
Deal found 12/2£190
Thu 19/320:10
SOU
-
SOF
1 stop23h 10m
Multiple Airlines
Thu 26/317:35
SOF
-
SOU
2 stops17h 10m
Multiple Airlines
Deal found 16/2£221
Thu 5/312:20
SOU
-
SOF
2 stops23h 10m
Multiple Airlines
Mon 9/320:00
SOF
-
SOU
1 stop20h 50m
Multiple Airlines
Deal found 15/2£231
Tue 31/320:00
SOU
-
SOF
2 stops20h 30m
Multiple Airlines
Tue 7/422:45
SOF
-
SOU
1 stop11h 40m
Multiple Airlines
Deal found 14/2£294
Thu 2/406:50
SOU
-
SOF
2 stops14h 00m
Multiple Airlines
Thu 9/419:30
SOF
-
SOU
2 stops15h 15m
Multiple Airlines
Deal found 16/2£294

Find 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 16 February 2026.

Round-trip from

£190

One-way from

£165

Popular in

December

Cheapest in

November

Average price

£144
3/3-8/3
  • 3/3-8/3
  • 3 total stops
  • 35h 35m total
  • Southampton to Sofia
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9/8
  • 9/8
  • 2 total stops
  • 25h 25m total
  • Southampton to Sofia
Search Deals
High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in February 2026
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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 16 February 2026.
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

Tue 3/3

09:20-10:40

2 stops23h 20m

Sofia

Sun 8/3

22:30-08:45

1 stop12h 15m

£190

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 5/3

12:20-13:30

2 stops23h 10m

Sofia

Mon 9/3

20:00-14:50

1 stop20h 50m

£231

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Tue 31/3

20:00-18:30

2 stops20h 30m

Sofia

Tue 7/4

22:45-08:25

1 stop11h 40m

£294

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 2/4

06:50-22:50

2 stops14h 00m

Sofia

Thu 9/4

19:30-08:45

2 stops15h 15m

£294

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 9/8

12:35-16:00

2 stops25h 25m

£165

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 2/4

15:15-13:25

2 stops20h 10m

£438

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 10/7

09:10-12:30

2 stops25h 20m

£1,518

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 3/4

09:10-12:30

2 stops25h 20m

£1,671

Flights are sorted by cheapest return flights first.

Deals found on 14/2

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 £27). Flying from Southampton to Sofia in August is currently the most expensive (average of £116). 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.

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 £27). Flying from Southampton to Sofia in August is currently the most expensive (average of £116). 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?

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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