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Cheap flights from Portsmouth to Bucharest from £361

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUH
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Bucharest

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Bucharest
Explore the most affordable flight options available from Portsmouth to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Sun 28/1218:30SOU - OTP
2 stops22h 45mMultiple Airlines
Sun 4/119:10OTP - SOU
2 stops26h 10mMultiple Airlines
Deal found 13/11£372
Sun 28/1218:30SOU - OTP
3 stops18h 25mBritish Airways
Tue 30/1216:40OTP - SOU
2 stops17h 30mBritish Airways
Deal found 12/11£718
Wed 3/1208:40SOU - OTP
2 stops12h 15mBritish Airways
Thu 4/1216:35OTP - SOU
2 stops17h 35mBritish Airways
Deal found 13/11£869
Fri 12/1208:40SOU - OTP
2 stops13h 05mBritish Airways
Fri 19/1216:45OTP - SOU
2 stops18h 15mBritish Airways
Deal found 12/11£1,006
Fri 19/1208:40SOU - OTP
2 stops13h 05mBritish Airways
Sun 21/1216:10OTP - SOU
2 stops18h 00mBritish Airways
Deal found 12/11£1,430

Cheap flight deals from Portsmouth to Bucharest

Keep the following information in mind while searching for Portsmouth to Bucharest flight deals. Data was last updated 14 November 2025.

Round-trip from

£361

Popular in

December

Cheapest in

March

Average price

£74
KLM
  • KLM
  • 30/3-31/3
  • 2 total stops
  • 41h 10m total
  • Portsmouth to Bucharest
Search Deals
Highest demand for flights based on searches. 4% 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
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 14 November 2025.
Use the filters below to find and compare flights from Portsmouth to Bucharest that are best for you.

Fly from

Portsmouth

Fly to

Bucharest

Route

Depart

Return

Price

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

09:20-00:40

1 stop13h 20m

Bucharest Otopeni Intl

Tue 31/3

07:00-08:50

1 stop27h 50m

£361

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 28/12

18:30-19:15

2 stops22h 45m

Bucharest Otopeni Intl

Sun 4/1

19:10-19:20

2 stops26h 10m

£372

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

£390

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 28/12

18:30-14:55

3 stops18h 25m

Bucharest Otopeni Intl

Tue 30/12

16:40-08:10

2 stops17h 30m

£718

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Wed 3/12

08:40-22:55

2 stops12h 15m

Bucharest Otopeni Intl

Thu 4/12

16:35-08:10

2 stops17h 35m

£869

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

17:30-00:30

1 stop5h 00m

£916

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

08:40-23:45

2 stops13h 05m

£1,050

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Best time to book a flight from Portsmouth to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest from Portsmouth 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 Portsmouth to Bucharest

What is the cheapest month to book a flight from Portsmouth to Bucharest?

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Bucharest (average of £23). Flying from Portsmouth to Bucharest 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.

What is the cheapest time of day to fly from P0R to BUH?

Find hourly flight availability from Portsmouth to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

One of the essential ways to save on airfare from Portsmouth to Bucharest is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

What is the cheapest day to fly from Portsmouth to Bucharest?

Use this chart to determine the cheapest time to fly return from Portsmouth to Bucharest. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Bucharest flight should consider departing on Sunday at midday when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Bucharest. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to Bucharest?

    Departing from Portsmouth to Bucharest will take you 13h 20m. There are 1339 mi between Portsmouth and Bucharest. This flight may include one or multiple stops.

  • What are the most reliable airlines from Portsmouth to Bucharest?

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Bucharest consider choosing Royal Air Maroc (80%), British Airways (78%) or Japan Airlines (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Bucharest?

    On average you can expect to pay £272 for a flight from Portsmouth to Bucharest. The cheapest flight overall is £61 while the most popular route, (Southampton Eastleigh - Bucharest Otopeni Intl) is currently priced at £361.

  • Can I find deals for flights from Portsmouth to Bucharest that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Bucharest flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Bucharest?

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

  • Can I find deals for business class flights from Portsmouth to Bucharest?

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Bucharest?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Bucharest (average of £23). Flying from Portsmouth to Bucharest 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?

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

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Alternative routes for Portsmouth to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to Bucharest

Discover the top 10 airlines that operate flights from Portsmouth 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£39Average£124FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£40Average£113FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£43Average£113FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£108Average£227FlexibilityNo cancel feeOn-time70%
Search British Airways flights
A.P.G.Cheapest£114Average£243FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
LOTCheapest£143Average£200FlexibilityNo cancel feeOn-time81%
Search LOT flights
Austrian AirlinesCheapest£164Average£260FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£167Average£218FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£177Average£373FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£258Average£406FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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 Portsmouth to Bucharest?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Bucharest. 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 Portsmouth to Bucharest?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bucharest from Portsmouth.

Can Cheapflights find flights from Portsmouth to Bucharest with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to Bucharest with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Bucharest become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to Bucharest flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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