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Cheap flights from London Southend Airport to Sofia from £54

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — SOF
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Sofia
Explore the most affordable flight options available from Southend to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 February 2026.

Sat 18/416:50
SEN
-
SOF
1 stop6h 40m
Multiple Airlines
Tue 21/418:50
SOF
-
SEN
1 stop15h 05m
Multiple Airlines
Deal found 17/2£142
Fri 13/307:35
SEN
-
SOF
1 stop11h 25m
Multiple Airlines
Sun 15/320:00
SOF
-
SEN
2 stops17h 25m
Multiple Airlines
Deal found 16/2£162
Sat 11/416:50
SEN
-
SOF
1 stop6h 45m
Multiple Airlines
Tue 14/421:35
SOF
-
SEN
1 stop12h 20m
Multiple Airlines
Deal found 19/2£214
Fri 20/210:00
SEN
-
SOF
1 stop7h 30m
Multiple Airlines
Sun 22/211:40
SOF
-
SEN
1 stop24h 50m
Multiple Airlines
Deal found 16/2£266
Mon 29/607:30
SEN
-
SOF
1 stop9h 25m
Multiple Airlines
Sun 12/710:10
SOF
-
SEN
1 stop7h 00m
Multiple Airlines
Deal found 15/2£277
Thu 2/417:20
SEN
-
SOF
2 stops30h 10m
Multiple Airlines
Thu 9/419:00
SOF
-
SEN
1 stop20h 00m
Multiple Airlines
Deal found 16/2£301
Thu 30/716:35
SEN
-
SOF
1 stop7h 00m
Multiple Airlines
Sun 2/810:10
SOF
-
SEN
1 stop7h 00m
Multiple Airlines
Deal found 16/2£302
Sat 22/816:50
SEN
-
SOF
1 stop6h 45m
Multiple Airlines
Sun 30/810:10
SOF
-
SEN
1 stop7h 00m
Multiple Airlines
Deal found 16/2£318
Thu 6/816:35
SEN
-
SOF
1 stop7h 00m
Multiple Airlines
Sun 16/810:10
SOF
-
SEN
1 stop7h 00m
Multiple Airlines
Deal found 15/2£329
Sat 11/716:50
SEN
-
SOF
1 stop6h 40m
Multiple Airlines
Sun 19/707:00
SOF
-
SEN
1 stop5h 15m
Multiple Airlines
Deal found 17/2£332
Sat 4/416:50
SEN
-
SOF
1 stop6h 45m
Multiple Airlines
Sun 12/410:10
SOF
-
SEN
1 stop7h 00m
Multiple Airlines
Deal found 16/2£339

Find flight deals from Southend to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) 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 19 February 2026.

Round-trip from

£142

One-way from

£54

Popular in

December

Cheapest in

November

Average price

£145
18/4-21/4
  • 18/4-21/4
  • 2 total stops
  • 21h 45m total
  • London to Sofia
Search Deals
6/3
  • 6/3
  • 1 total stop
  • 15h 25m total
  • London to Sofia
Search Deals
High demand for flights, 8% potential price rise
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 February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend 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 19 February 2026.
Use the filters below to find and compare flights from London Southend Airport to Sofia that are best for you.

Fly from

Southend

Fly to

Sofia

Route

Depart

Return

Price

LondonSofia

SEN - SOF

SENSOF

London Southend

Sat 18/4

16:50-01:30

1 stop6h 40m

Sofia

Tue 21/4

18:50-07:55

1 stop15h 05m

£142

LondonSofia

SEN - SOF

SENSOF

London Southend

Fri 13/3

07:35-21:00

1 stop11h 25m

Sofia

Sun 15/3

20:00-11:25

2 stops17h 25m

£162

LondonSofia

SEN - SOF

SENSOF

London Southend

Sat 11/4

16:50-01:35

1 stop6h 45m

Sofia

Tue 14/4

21:35-07:55

1 stop12h 20m

£214

LondonSofia

SEN - SOF

SENSOF

London Southend

Mon 29/6

07:30-18:55

1 stop9h 25m

Sofia

Sun 12/7

10:10-15:10

1 stop7h 00m

£277

LondonSofia

SEN - SOF

SENSOF

London Southend

Thu 2/4

17:20-01:30

2 stops30h 10m

Sofia

Thu 9/4

19:00-13:00

1 stop20h 00m

£301

LondonSofia

SEN - SOF

SENSOF

London Southend

Thu 30/7

16:35-01:35

1 stop7h 00m

Sofia

Sun 2/8

10:10-15:10

1 stop7h 00m

£302

LondonSofia

SEN - SOF

SENSOF

London Southend

Thu 6/8

16:35-01:35

1 stop7h 00m

Sofia

Sun 16/8

10:10-15:10

1 stop7h 00m

£329

LondonSofia

SEN - SOF

SENSOF

London Southend

Sat 11/7

16:50-01:30

1 stop6h 40m

Sofia

Sun 19/7

07:00-10:15

1 stop5h 15m

£332

LondonSofia

SEN - SOF

SENSOF

London Southend

Sat 4/4

16:50-01:35

1 stop6h 45m

Sofia

Sun 12/4

10:10-15:10

1 stop7h 00m

£339

LondonSofia

SEN - SOF

SENSOF

London Southend

Sat 2/5

16:50-01:35

1 stop6h 45m

Sofia

Mon 4/5

14:40-19:50

1 stop7h 10m

£342

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Southend to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Southend 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.

Related info for your journey

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

  • What airport do you fly into for flights to Sofia from London Southend?

    Sofia (SOF), located 4.2 mi from the city center, is the airport you fly into when you book flights from London Southend to Sofia. 0 airlines have flights to Sofia from London Southend on a regular basis. Booking flights from London Southend to Sofia should not be difficult; the airport handles an average of 0 inbound flights from London Southend per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southend 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.

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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Alternative routes for Southend to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Sofia flights
Gatwick to Sofia flights
Luton to Sofia flights
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Stansted to Sofia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Southend to Sofia?

When you search for this flight from Southend to Sofia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Southend to Sofia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Southend 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 Southend to Sofia become cheaper?

Of course! You can now track prices for flights from Southend 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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