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Cheap flights from Southampton to Bucharest Otopeni Intl Airport from £111

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OTP
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southampton to Otopeni Intl

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Cheapest flights from Southampton to Otopeni Intl
Explore the most affordable flight options available from Southampton to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Mon 8/1208:40SOU - OTP
1 stop13h 50mKLM
Fri 12/1218:00OTP - SOU
1 stop16h 50mKLM
Deal found 24/11£361
Sat 13/1213:55SOU - OTP
2 stops33h 15mMultiple Airlines
Fri 2/120:50OTP - SOU
1 stop17h 15mMultiple Airlines
Deal found 25/11£417
Mon 8/1216:45SOU - OTP
2 stops44h 00mBritish Airways
Fri 12/1220:20OTP - SOU
2 stops17h 45mBritish Airways
Deal found 25/11£561

Cheap flight deals from Southampton to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Otopeni Intl (OTP). 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 27 November 2025.

Round-trip from

£157

One-way from

£111

Popular in

December

Cheapest in

March

Average price

£78
8/1-15/1
  • 8/1-15/1
  • 4 total stops
  • 45h 05m total
  • Southampton to Bucharest
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8/12
  • 8/12
  • 1 total stop
  • 15h 45m total
  • Southampton to Bucharest
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£10 potential savings vs. average return price).
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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 Otopeni Intl 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 27 November 2025.
Use the filters below to find and compare flights from Southampton to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Southampton

Fly to

Otopeni Intl

Route

Depart

Return

Price

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 8/1

17:55-19:30

2 stops23h 35m

Bucharest Otopeni Intl

Thu 15/1

18:15-13:45

2 stops21h 30m

£157

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 9/1

08:10-11:20

2 stops25h 10m

Bucharest Otopeni Intl

Fri 16/1

11:55-06:45

2 stops20h 50m

£187

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 9/1

17:35-00:30

1 stop4h 55m

Bucharest Otopeni Intl

Fri 16/1

13:55-17:05

1 stop5h 10m

£196

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 8/1

17:35-13:00

1 stop17h 25m

Bucharest Otopeni Intl

Thu 15/1

13:55-08:25

1 stop20h 30m

£200

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 8/12

08:40-00:30

1 stop13h 50m

Bucharest Otopeni Intl

Fri 12/12

18:00-08:50

1 stop16h 50m

£361

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 13/12

13:55-01:10

2 stops33h 15m

Bucharest Otopeni Intl

Fri 2/1

20:50-12:05

1 stop17h 15m

£417

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 8/12

19:55-15:00

2 stops17h 05m

£127

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 28/12

18:30-23:00

2 stops50h 30m

£323

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Wed 24/12

13:50-19:30

2 stops51h 40m

£348

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Tue 23/12

14:45-23:30

3 stops54h 45m

£436

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 16 results
1
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Best time to book a flight from Southampton to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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 Otopeni Intl Airport

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

Currently, March is the cheapest month in which you can book a flight from Southampton to Bucharest Otopeni Intl Airport (average of £23). Flying from Southampton to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £86). 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 Otopeni Intl. 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 Otopeni Intl?

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

  • How long is the flight from Southampton to Bucharest Otopeni Intl Airport?

    There are many flights that can get you from Southampton to Bucharest Otopeni Intl Airport in 4h 55m. Fly via KLM to get the fastest option. Airlines will cover a distance of 1339 mi.

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

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

  • How can I find direct flights from Southampton to Otopeni Intl?

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

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

    Yes. Cheapflights offers flight deals from Southampton to Otopeni Intl 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 Otopeni Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Bucharest Otopeni Intl Airport (average of £23). Flying from Southampton to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £86). 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 Otopeni Intl Airport?

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

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

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Can Cheapflights find flights from Southampton to Otopeni Intl with no change fees?

Yes, we can. To see specific flights from Southampton to Otopeni Intl 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 Southampton to Otopeni Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Otopeni Intl from Southampton today and book when prices fit your budget.

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