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Cheap flights from Southampton to Bucharest Otopeni Intl Airport from £185

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OTP
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£204

One-way from

£185

Popular in

December

Cheapest in

March

Average price

£102
2/11-9/11
  • 2/11-9/11
  • 4 total stops
  • 45h 00m total
  • Southampton to Bucharest
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KLM
  • KLM
  • 31/10
  • 1 total stop
  • 5h 00m total
  • Southampton to Bucharest
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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. 11% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Southampton to Otopeni Intl

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 18 September 2025.

Sun 2/1118:20SOU - OTP
2 stops23h 10mMultiple Airlines
Sun 9/1123:30OTP - SOU
2 stops21h 50mMultiple Airlines
Deal found 18/9£204
Tue 25/1115:20SOU - OTP
1 stop20h 35mMultiple Airlines
Thu 27/1116:50OTP - SOU
1 stop16h 50mMultiple Airlines
Deal found 16/9£219
Fri 10/1008:55SOU - OTP
2 stops24h 25mMultiple Airlines
Mon 13/1018:40OTP - SOU
2 stops15h 35mMultiple Airlines
Deal found 16/9£221
Fri 10/1017:35SOU - OTP
1 stop5h 25mKLM
Mon 13/1018:05OTP - SOU
1 stop16h 40mKLM
Deal found 16/9£280
Mon 22/920:30SOU - OTP
2 stops19h 15mMultiple Airlines
Tue 23/922:10OTP - SOU
3 stops36h 15mMultiple Airlines
Deal found 16/9£293

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 September 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

Sun 2/11

18:20-19:30

2 stops23h 10m

Bucharest Otopeni Intl

Sun 9/11

23:30-19:20

2 stops21h 50m

£204

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Tue 25/11

15:20-13:55

1 stop20h 35m

Bucharest Otopeni Intl

Thu 27/11

16:50-07:40

1 stop16h 50m

£219

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 10/10

08:55-11:20

2 stops24h 25m

Bucharest Otopeni Intl

Mon 13/10

18:40-08:15

2 stops15h 35m

£221

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 10/10

17:35-01:00

1 stop5h 25m

Bucharest Otopeni Intl

Mon 13/10

18:05-08:45

1 stop16h 40m

£280

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Tue 28/10

17:30-00:30

1 stop5h 00m

Bucharest Otopeni Intl

Wed 29/10

18:00-08:20

1 stop16h 20m

£388

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 7/11

19:00-23:25

2 stops26h 25m

Bucharest Otopeni Intl

Tue 11/11

16:40-13:55

2 stops23h 15m

£433

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 31/10

17:30-00:30

1 stop5h 00m

£185

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 31/10

08:30-15:05

2 stops52h 35m

£284

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 9/10

15:45-01:25

2 stops31h 40m

£289

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 11/10

08:55-00:30

2 stops37h 35m

£289

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 11 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, February is the cheapest month in which you can book a flight from Southampton to Bucharest Otopeni Intl Airport (average of £55). Flying from Southampton to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £263). 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 18 September 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
7.8
Good
1,386 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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.

  • What is the cheapest airline to fly from Southampton to Bucharest Otopeni Intl Airport round-trip?

    Currently priced at £171, KLM will fly you from Southampton to Bucharest Otopeni Intl Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip.

  • 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, February is the cheapest month in which you can book a flight from Southampton to Bucharest Otopeni Intl Airport (average of £55). Flying from Southampton to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £263). 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

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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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£171Average£359FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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