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Cheap flights from Southampton to Sofia from £249

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SOF
24 Mar — 31 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 22 February 2026.

Mon 6/420:40
SOU
-
SOF
2 stops19h 20m
Multiple Airlines
Mon 13/409:10
SOF
-
SOU
2 stops12h 55m
Multiple Airlines
Deal found 20/2£276
Sun 5/410:00
SOU
-
SOF
2 stops14h 55m
Multiple Airlines
Sun 12/416:05
SOF
-
SOU
3 stops30h 00m
Multiple Airlines
Deal found 19/2£339
Sun 5/417:20
SOU
-
SOF
1 stop18h 40m
KLM
Sun 12/407:00
SOF
-
SOU
1 stop27h 35m
KLM
Deal found 19/2£367
Mon 6/417:20
SOU
-
SOF
1 stop18h 40m
KLM
Mon 13/407:00
SOF
-
SOU
1 stop27h 35m
KLM
Deal found 20/2£391
Fri 8/518:20
SOU
-
SOF
2 stops47h 50m
British Airways
Sun 21/621:05
SOF
-
SOU
2 stops22h 35m
British Airways
Deal found 18/2£467
Thu 7/512:35
SOU
-
SOF
2 stops22h 50m
British Airways
Sun 21/621:05
SOF
-
SOU
2 stops49h 40m
British Airways
Deal found 18/2£490
Thu 17/908:55
SOU
-
SOF
2 stops26h 30m
British Airways
Sun 20/921:05
SOF
-
SOU
2 stops19h 40m
British Airways
Deal found 20/2£633

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 22 February 2026.

Round-trip from

£276

One-way from

£249

Popular in

December

Cheapest in

November

Average price

£145
6/4-13/4
  • 6/4-13/4
  • 4 total stops
  • 32h 15m total
  • Southampton to Sofia
Search Deals
British Airways
  • British Airways
  • 8/5
  • 2 total stops
  • 47h 50m total
  • Southampton to Sofia
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 22 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

Sun 5/4

10:00-02:55

2 stops14h 55m

Sofia

Sun 12/4

16:05-20:05

3 stops30h 00m

£339

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Mon 6/4

20:40-01:35

1 stop26h 55m

Sofia

Mon 13/4

06:10-16:50

2 stops12h 40m

£359

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 5/4

17:20-14:00

1 stop18h 40m

Sofia

Sun 12/4

07:00-08:35

1 stop27h 35m

£367

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Mon 6/4

17:20-14:00

1 stop18h 40m

Sofia

Mon 13/4

07:00-08:35

1 stop27h 35m

£391

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 8/5

18:20-20:10

2 stops47h 50m

Sofia

Sun 21/6

21:05-17:40

2 stops22h 35m

£467

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 7/5

12:35-13:25

2 stops22h 50m

Sofia

Sun 21/6

21:05-20:45

2 stops49h 40m

£490

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 20/3

12:40-11:15

2 stops20h 35m

Sofia

Fri 3/4

14:15-09:45

2 stops21h 30m

£688

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 8/5

18:20-20:10

2 stops47h 50m

£249

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 7/5

08:55-13:25

2 stops26h 30m

£272

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 20/6

06:50-20:10

2 stops35h 20m

£280

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 14 results
1
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 £118). 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.

  • How long is the flight from Southampton to Sofia?

    A quick flight from Southampton to Sofia can take about 18h 40m. KLM provides one of the quickest options available for as low as £367. Southampton and Sofia are separated by a distance of 1293 mi.

  • 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 £118). 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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How does Cheapflights help users find flights from Southampton to Sofia?

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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