Find flights
When to book
FAQs

Cheap flights from Southampton to Bucharest Otopeni Intl Airport from £378

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OTP
17 ינו' — 24 ינו'1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Otopeni Intl

Enter your travel dates to find the best prices.

Best flights from Southampton to Otopeni Intl
Discover carefully curated flight deals from Southampton to Otopeni Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 דצמבר 2025.

ש' 3/109:45SOU - OTP
1 stop13h 05mMultiple Airlines
א' 4/118:10OTP - SOU
3 stops23h 25mMultiple Airlines
Deal found 16/12£378
ו' 6/212:00SOU - OTP
2 stops25h 10mBritish Airways
ב' 9/220:25OTP - SOU
2 stops23h 05mBritish Airways
Deal found 15/12£433
ג' 17/312:40SOU - OTP
2 stops23h 30mMultiple Airlines
ג' 31/321:45OTP - SOU
2 stops19h 00mMultiple Airlines
Deal found 16/12£402
ד' 14/120:30SOU - OTP
2 stops17h 15mBritish Airways
ד' 28/115:50OTP - SOU
2 stops18h 00mBritish Airways
Deal found 17/12£496
ג' 13/108:40SOU - OTP
2 stops27h 30mMultiple Airlines
ג' 27/121:50OTP - SOU
2 stops20h 10mMultiple Airlines
Deal found 16/12£458
ד' 18/308:40SOU - OTP
2 stops12h 15mBritish Airways
ד' 1/416:15OTP - SOU
2 stops18h 10mBritish Airways
Deal found 17/12£553
ג' 16/608:55SOU - OTP
2 stops14h 30mBritish Airways
ג' 30/618:15OTP - SOU
2 stops16h 10mBritish Airways
Deal found 16/12£556

Find 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 18 דצמבר 2025.

Round-trip from

£378

Popular in

December

Cheapest in

March

Average price

£242
3/1-4/1
  • 3/1-4/1
  • 4 total stops
  • 36h 30m total
  • Southampton to Bucharest
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 18 דצמבר 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

ש' 3/1

09:45-00:50

1 stop13h 05m

Bucharest Otopeni Intl

א' 4/1

18:10-15:35

3 stops23h 25m

£378

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ג' 17/3

12:40-14:10

2 stops23h 30m

Bucharest Otopeni Intl

ג' 31/3

21:45-14:45

2 stops19h 00m

£402

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ו' 6/2

12:00-15:10

2 stops25h 10m

Bucharest Otopeni Intl

ב' 9/2

20:25-17:30

2 stops23h 05m

£433

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ג' 13/1

08:40-14:10

2 stops27h 30m

Bucharest Otopeni Intl

ג' 27/1

21:50-16:00

2 stops20h 10m

£458

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ד' 14/1

20:30-15:45

2 stops17h 15m

Bucharest Otopeni Intl

ד' 28/1

15:50-07:50

2 stops18h 00m

£496

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ד' 18/3

08:40-22:55

2 stops12h 15m

Bucharest Otopeni Intl

ד' 1/4

16:15-08:25

2 stops18h 10m

£553

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ג' 16/6

08:55-01:25

2 stops14h 30m

Bucharest Otopeni Intl

ג' 30/6

18:15-08:25

2 stops16h 10m

£556

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

ג' 23/12

12:40-14:10

2 stops23h 30m

£574

Flights are sorted by cheapest return flights first.

Deals found on 17/12

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 £22). Flying from Southampton to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £85). 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 25h 10m. Fly via British Airways 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 £22). Flying from Southampton to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £85). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Otopeni Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southampton to Otopeni Intl. 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 Southampton to Otopeni Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to Otopeni Intl for you. Better yet — we are completely free to use.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.