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Cheap flights from Southampton to Bucharest Otopeni Intl Airport 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 — OTP
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southampton to Otopeni Intl

Enter your travel dates to find the best prices.

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 11 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£226
Fri 12/1219:50SOU - OTP
1 stop15h 50mMultiple Airlines
Mon 5/120:50OTP - SOU
2 stops20h 00mMultiple Airlines
Deal found 10/11£235
Mon 15/1219:55SOU - OTP
1 stop15h 45mMultiple Airlines
Tue 30/1214:30OTP - SOU
2 stops20h 20mMultiple Airlines
Deal found 10/11£252
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£270
Thu 25/1214:15SOU - OTP
2 stops21h 35mMultiple Airlines
Thu 1/106:05OTP - SOU
2 stops28h 40mMultiple Airlines
Deal found 10/11£287

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 11 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. 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).
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 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 11 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

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

£226

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

£298

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

£312

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

£317

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

£322

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

17:35-00:40

1 stop5h 05m

Bucharest Otopeni Intl

Tue 31/3

07:00-08:50

1 stop27h 50m

£362

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 13/12

09:30-13:40

2 stops26h 10m

Bucharest Otopeni Intl

Thu 1/1

04:30-19:20

2 stops16h 50m

£390

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

06:50-00:45

2 stops15h 55m

Bucharest Otopeni Intl

Tue 31/3

18:15-09:25

2 stops17h 10m

£391

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 12 results
1
2

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 £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.

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Otopeni Intl. Reviews last updated 11 November 2025.
Check out reviews from past customers who have flown with KLM from Southampton to Bucharest Otopeni Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,410 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,410 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 1 airline.

  • 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 5h 45m. 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 £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 Otopeni Intl Airport?

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

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Top airline flying from Southampton to Otopeni Intl

Discover the top airline that operate flights from Southampton to Otopeni Intl. 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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£177Average£372FlexibilityNo 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 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.

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