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Cheap flights from Southampton to Bucharest 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 — BUH
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 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
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. 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 Bucharest

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 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 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 18 September 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

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 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, February is the cheapest month in which you can book a flight from Southampton to Bucharest (average of £55). Flying from Southampton to Bucharest 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 Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated 18 September 2025.
Check out reviews from past customers who have flown with KLM from Southampton to Bucharest 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

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

Overall

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

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

Overall

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 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.

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

    Our cheapest airline available from Southampton to Bucharest is KLM. Our recent data shows that you can find tickets from as low as £171 on this airline.

  • 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, February is the cheapest month in which you can book a flight from Southampton to Bucharest (average of £55). Flying from Southampton to Bucharest 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?

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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£171Average£359FlexibilityNo 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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