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Cheap flights from Southampton to Bucharest from £301

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BUH
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southampton to Bucharest

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Bucharest
Explore the most affordable flight options available from Southampton to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Fri 19/1208:10SOU - OTP
2 stops14h 50mMultiple Airlines
Fri 26/1206:15OTP - SOU
1 stop15h 05mMultiple Airlines
Deal found 4/11£301
Wed 19/1108:30SOU - OTP
2 stops12h 25mBritish Airways
Thu 20/1116:35OTP - SOU
2 stops25h 15mBritish Airways
Deal found 4/11£550
Wed 12/1119:55SOU - OTP
2 stops17h 50mBritish Airways
Tue 18/1116:40OTP - SOU
2 stops17h 20mBritish Airways
Deal found 3/11£607
Mon 22/1220:50SOU - OTP
2 stops16h 40mBritish Airways
Tue 30/1216:40OTP - SOU
2 stops17h 30mBritish Airways
Deal found 4/11£987

Cheap flight deals from Southampton to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Bucharest (BUH). 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 5 November 2025.

Round-trip from

£301

Popular in

December

Cheapest in

March

Average price

£75
19/12-26/12
  • 19/12-26/12
  • 3 total stops
  • 29h 55m total
  • Southampton to Bucharest
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 10% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Bucharest 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 5 November 2025.
Use the filters below to find and compare flights from Southampton to Bucharest that are best for you.

Fly from

Southampton

Fly to

Bucharest

Route

Depart

Return

Price

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

08:10-01:00

2 stops14h 50m

Bucharest Otopeni Intl

Fri 26/12

06:15-19:20

1 stop15h 05m

£301

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

17:35-13:05

1 stop17h 30m

Bucharest Otopeni Intl

Tue 31/3

18:05-17:00

1 stop24h 55m

£362

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

06:50-00:45

2 stops15h 55m

Bucharest Otopeni Intl

Tue 31/3

08:25-20:45

2 stops14h 20m

£393

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Wed 19/11

08:30-22:55

2 stops12h 25m

Bucharest Otopeni Intl

Thu 20/11

16:35-15:50

2 stops25h 15m

£550

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

17:30-17:10

1 stop21h 40m

£471

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

08:40-23:45

2 stops13h 05m

£1,058

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Best time to book a flight from Southampton to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest 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 Bucharest

What is the cheapest month to book a flight from Southampton to Bucharest?

Currently, March is the cheapest month in which you can book a flight from Southampton to Bucharest (average of £23). Flying from Southampton to Bucharest in July is currently the most expensive (average of £88). 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 Bucharest. 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 from for flights from Southampton to Bucharest?

    Located just 3.5 mi from the city center, Southampton Eastleigh is the airport most travelers will use when flying to Bucharest from Southampton. Booking flights from Eastleigh (SOU) to Bucharest should be relatively easy as there are 0 daily outbound flights to Bucharest from 1 airline.

  • Can I find deals for flights from Southampton to Bucharest that include hotel bookings?

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

  • How can I find direct flights from Southampton to Bucharest?

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

  • Can I find deals for business class flights from Southampton to Bucharest?

    Yes. Cheapflights offers flight deals from Southampton to Bucharest 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 Bucharest?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Bucharest (average of £23). Flying from Southampton to Bucharest in July is currently the most expensive (average of £88). 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 Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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Alternative routes for Southampton to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Southampton to Bucharest

Discover the top airline that operate flights from Southampton to Bucharest. 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£178Average£375FlexibilityNo cancel feeOn-time75%
Search KLM 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 Southampton to Bucharest?

Deals for Southampton to Bucharest flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Bucharest?

Cheapflights helps you find that perfect flight to Bucharest from Southampton 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 Southampton to Bucharest with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Bucharest flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Bucharest become cheaper?

Of course! You can now track prices for flights from Southampton to Bucharest 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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