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Cheap flights from Southampton to Bucharest from £216

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BUH
13 Dec — 20 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 13 November 2025.

Mon 15/1219:55SOU - OTP
1 stop15h 45mMultiple Airlines
Wed 31/1220:50OTP - SOU
2 stops22h 30mMultiple Airlines
Deal found 10/11£216
Mon 15/1219:55SOU - OTP
1 stop15h 45mMultiple Airlines
Mon 5/120:50OTP - SOU
2 stops20h 00mMultiple Airlines
Deal found 10/11£226
Fri 12/1219:50SOU - OTP
1 stop15h 50mMultiple Airlines
Wed 31/1220:50OTP - SOU
2 stops22h 30mMultiple Airlines
Deal found 10/11£227
Fri 12/1219:50SOU - OTP
1 stop15h 50mMultiple Airlines
Mon 5/120:50OTP - SOU
2 stops20h 00mMultiple Airlines
Deal found 10/11£236
Mon 15/1219:55SOU - OTP
1 stop15h 45mMultiple Airlines
Tue 30/1214:30OTP - SOU
2 stops20h 20mMultiple Airlines
Deal found 10/11£253
Mon 15/1219:55SOU - OTP
1 stop15h 45mMultiple Airlines
Thu 1/107:10OTP - SOU
2 stops12h 10mMultiple Airlines
Deal found 10/11£260
Fri 12/1219:50SOU - OTP
1 stop15h 50mMultiple Airlines
Tue 30/1214:30OTP - SOU
2 stops20h 20mMultiple Airlines
Deal found 10/11£263
Fri 12/1219:50SOU - OTP
1 stop15h 50mMultiple Airlines
Thu 1/107:10OTP - SOU
2 stops12h 10mMultiple Airlines
Deal found 10/11£271
Thu 25/1214:15SOU - OTP
2 stops21h 35mMultiple Airlines
Thu 1/106:05OTP - SOU
2 stops28h 40mMultiple Airlines
Deal found 10/11£288

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 13 November 2025.

Round-trip from

£216

Popular in

December

Cheapest in

March

Average price

£74
15/12-31/12
  • 15/12-31/12
  • 3 total stops
  • 38h 15m total
  • Southampton to Bucharest
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£4 potential increase over avg. return price).
Search Deals
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 13 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

Mon 15/12

19:55-13:40

1 stop15h 45m

Bucharest Otopeni Intl

Wed 31/12

20:50-17:20

2 stops22h 30m

£216

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 12/12

19:50-13:40

1 stop15h 50m

Bucharest Otopeni Intl

Wed 31/12

20:50-17:20

2 stops22h 30m

£227

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 12/12

19:50-13:40

1 stop15h 50m

Bucharest Otopeni Intl

Tue 30/12

09:30-15:35

1 stop8h 05m

£299

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 13/12

15:20-10:35

1 stop17h 15m

Bucharest Otopeni Intl

Thu 1/1

05:50-15:35

2 stops11h 45m

£313

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 13/12

09:25-17:10

1 stop5h 45m

Bucharest Otopeni Intl

Thu 1/1

18:00-08:05

1 stop16h 05m

£318

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 14/12

09:30-00:30

1 stop13h 00m

Bucharest Otopeni Intl

Thu 1/1

18:00-08:05

1 stop16h 05m

£321

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 11/12

14:15-01:30

2 stops9h 15m

Bucharest Otopeni Intl

Mon 5/1

06:15-19:20

1 stop15h 05m

£323

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

09:20-00:40

1 stop13h 20m

Bucharest Otopeni Intl

Tue 31/3

18:05-17:00

1 stop24h 55m

£362

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

12:35-00:45

2 stops10h 10m

Bucharest Otopeni Intl

Tue 31/3

18:15-09:25

2 stops17h 10m

£392

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

08:40-23:30

1 stop12h 50m

£535

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 11 results
1
2

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 £87). 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.

  • How long is the flight from Southampton to Bucharest?

    For as low as £318, KLM can have you in Bucharest from Southampton in 5h 45m. The distance between Southampton and Bucharest is about 1339 mi.

  • 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 £87). 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£177Average£373FlexibilityNo 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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