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Cheap flights from Portsmouth to Sofia from £243

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
14 Jun — 21 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 May 2026.

Thu 25/606:45
SOU
-
SOF
2 stops26h 25m
Multiple Airlines
Thu 2/718:30
SOF
-
SOU
2 stops27h 10m
Multiple Airlines
Deal found 11/5£243
Sun 11/1012:35
SOU
-
SOF
2 stops21h 50m
Multiple Airlines
Wed 14/1005:45
SOF
-
SOU
2 stops28h 55m
Multiple Airlines
Deal found 15/5£254
Fri 29/520:00
SOU
-
SOF
2 stops24h 30m
Multiple Airlines
Sun 31/512:30
SOF
-
SOU
2 stops22h 10m
Multiple Airlines
Deal found 11/5£279
Sat 17/1006:45
SOU
-
SOF
2 stops35h 25m
British Airways
Sun 25/1014:30
SOF
-
SOU
2 stops20h 55m
British Airways
Deal found 13/5£402
Sun 11/1017:20
SOU
-
SOF
1 stop18h 40m
KLM
Wed 14/1007:00
SOF
-
SOU
1 stop27h 35m
KLM
Deal found 15/5£429

Find flight deals from Portsmouth to Sofia

Keep the following information in mind while searching for Portsmouth to Sofia flight deals. Data was last updated 15 May 2026.

Round-trip from

£243

Popular in

December

Cheapest in

November

Average price

£124
25/6-2/7
  • 25/6-2/7
  • 4 total stops
  • 53h 35m total
  • Portsmouth to Sofia
Search Deals
High demand for flights, 7% 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 May 2026
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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 15 May 2026.
Use the filters below to find and compare flights from Portsmouth to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 25/6

06:45-11:10

2 stops26h 25m

Sofia

Thu 2/7

18:30-19:40

2 stops27h 10m

£243

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 11/10

12:35-12:25

2 stops21h 50m

Sofia

Wed 14/10

05:45-08:40

2 stops28h 55m

£254
Fastest return journey

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 29/5

09:25-01:35

1 stop14h 10m

Sofia

Sun 31/5

18:45-11:50

2 stops19h 05m

£333

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 21/10

12:20-13:25

2 stops47h 05m

Sofia

Sun 25/10

14:30-09:25

2 stops20h 55m

£402

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 17/10

06:45-20:10

2 stops35h 25m

Sofia

Sun 25/10

14:30-09:25

2 stops20h 55m

£402

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sun 11/10

17:20-14:00

1 stop18h 40m

Sofia

Wed 14/10

07:00-08:35

1 stop27h 35m

£429

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Wed 21/10

06:50-20:30

2 stops11h 40m

Sofia

Fri 23/10

14:15-12:00

2 stops23h 45m

£437

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Mon 8/6

06:45-19:20

2 stops10h 35m

Sofia

Wed 10/6

21:25-17:45

2 stops46h 20m

£544
Cheapest one-way

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Tue 26/5

18:25-20:30

2 stops24h 05m

£382

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Fri 22/5

18:25-20:10

2 stops47h 45m

£382

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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 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 15 May 2026.

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 at midday, which can drop the price by up to 42% 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 9 May 2026.

Travellers seeking maximum savings on their Portsmouth to Sofia flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons 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. 8 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 cheapest flights from Portsmouth to Sofia?

    On average you can expect to pay £199 for a flight from Portsmouth to Sofia. The cheapest flight overall is £77 while the most popular route, (Southampton Eastleigh - Sofia) is currently priced at £559.

  • 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.

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 8 airlines flying from Portsmouth to Sofia

Discover the top 8 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 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£41Average£136FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£43Average£140FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
easyJetCheapest£57Average£121FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£112Average£205FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£142Average£221FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£147Average£231FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
LufthansaCheapest£154Average£224FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest£166Average£190FlexibilityNo cancel feeOn-time78%
Search Austrian 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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