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Cheap flights from Portsmouth to Sofia from £184

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Sofia
Explore the most affordable flight options available from Portsmouth to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Fri 5/1208:10SOU - SOF
1 stop6h 45mMultiple Airlines
Fri 12/1216:50SOF - SOU
2 stops23h 55mMultiple Airlines
Deal found 21/10£184
Fri 21/1113:30SOU - SOF
2 stops19h 45mBritish Airways
Sun 23/1114:30SOF - SOU
2 stops28h 55mBritish Airways
Deal found 22/10£424
Sat 15/1109:45SOU - SOF
2 stops25h 15mBritish Airways
Mon 17/1117:25SOF - SOU
2 stops22h 40mBritish Airways
Deal found 22/10£446
Fri 14/1108:30SOU - SOF
2 stops24h 45mBritish Airways
Mon 17/1117:25SOF - SOU
2 stops22h 40mBritish Airways
Deal found 22/10£455
Fri 14/1108:30SOU - SOF
2 stops24h 45mBritish Airways
Sun 16/1114:30SOF - SOU
2 stops28h 55mBritish Airways
Deal found 22/10£522

Cheap flight deals from Portsmouth to Sofia

Keep the following information in mind while searching for Portsmouth to Sofia flight deals. Data was last updated 24 October 2025.

Round-trip from

£184

Popular in

July

Cheapest in

November

Average price

£103
5/12-12/12
  • 5/12-12/12
  • 3 total stops
  • 30h 40m total
  • Portsmouth to Sofia
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 24 October 2025.
Use the filters below to find and compare flights from Portsmouth to Sofia that are best for you.

Fly from

Portsmouth

Fly to

Sofia

Route

Depart

Return

Price

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 7/12

20:10-11:35

1 stop13h 25m

Sofia

Sun 14/12

19:30-14:00

2 stops20h 30m

£195

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Mon 16/3

17:30-14:05

1 stop18h 35m

Sofia

Fri 20/3

07:00-08:50

1 stop27h 50m

£360

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 21/11

13:30-11:15

2 stops19h 45m

Sofia

Sun 23/11

14:30-17:25

2 stops28h 55m

£424

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 15/11

09:45-13:00

2 stops25h 15m

Sofia

Mon 17/11

17:25-14:05

2 stops22h 40m

£446

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 14/11

08:30-11:15

2 stops24h 45m

Sofia

Mon 17/11

17:25-14:05

2 stops22h 40m

£455

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 7/12

18:25-16:20

3 stops19h 55m

£352

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Tue 4/11

20:50-20:10

2 stops21h 20m

£396

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Best time to book a flight from Portsmouth to Sofia

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

What is the cheapest month to book a flight from Portsmouth to Sofia?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Sofia (average of £29). Flying from Portsmouth to Sofia in August is currently the most expensive (average of £109). 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 P0R to SOF?

Find hourly flight availability from Portsmouth 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 24 October 2025.

When flying from Portsmouth to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 51% versus a flight in the afternoon.

What is the cheapest day to fly from Portsmouth to Sofia?

Use this chart to determine the cheapest time to fly return from Portsmouth to Sofia. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Sofia flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth 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 Portsmouth?

    Sofia (SOF), located 4.2 mi from the city center, is the airport you fly into when you book flights from Portsmouth to Sofia. 10 airlines have flights to Sofia from Portsmouth on a regular basis. Booking flights from Portsmouth to Sofia should not be difficult; the airport handles an average of 0 inbound flights from Portsmouth per day.

  • What are the most reliable airlines from Portsmouth to Sofia?

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Sofia consider choosing Bulgaria Air (85%), American Airlines (70%) or British Airways (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Sofia?

    On average you can expect to pay £174 for a flight from Portsmouth to Sofia. The cheapest flight overall is £70 while the most popular route, (Southampton Eastleigh - Sofia) is currently priced at £195.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Sofia?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Sofia (average of £29). Flying from Portsmouth to Sofia in August is currently the most expensive (average of £109). 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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Top 10 airlines flying from Portsmouth to Sofia

Discover the top 10 airlines that operate flights from Portsmouth to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£37Average£123FlexibilityNo cancel feeOn-time83%
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RyanairCheapest£44Average£103FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Air SerbiaCheapest£54Average£144FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
easyJetCheapest£62Average£149FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£99Average£197FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£141Average£218FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£144Average£203FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£158Average£233FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
Austrian AirlinesCheapest£158Average£202FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Turkish AirlinesCheapest£202Average£262FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Sofia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Sofia from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Portsmouth to Sofia with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Sofia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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