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Cheap flights from Portsmouth to Bucharest from £155

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUH
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 August 2026.

Thu 17/911:40
SOU
-
OTP
2 stops9h 30m
Multiple Airlines
Tue 22/916:45
OTP
-
SOU
2 stops19h 30m
Multiple Airlines
Deal found 30/7£191
Fri 11/917:20
SOU
-
OTP
2 stops15h 50m
Multiple Airlines
Fri 18/917:25
OTP
-
SOU
2 stops15h 55m
Multiple Airlines
Deal found 28/7£218
Sat 12/907:50
SOU
-
OTP
2 stops12h 45m
Multiple Airlines
Sun 20/918:20
OTP
-
SOU
2 stops24h 30m
Multiple Airlines
Deal found 28/7£239
Fri 11/917:20
SOU
-
OTP
1 stop17h 40m
KLM
Fri 18/918:10
OTP
-
SOU
1 stop16h 35m
KLM
Deal found 28/7£244
Thu 17/917:20
SOU
-
OTP
1 stop17h 40m
KLM
Tue 22/914:00
OTP
-
SOU
1 stop20h 45m
KLM
Deal found 31/7£245
Sat 12/909:15
SOU
-
OTP
1 stop13h 40m
KLM
Sun 20/907:05
OTP
-
SOU
1 stop27h 30m
KLM
Deal found 28/7£279

Find flight deals from Portsmouth to Bucharest

Keep the following information in mind while searching for Portsmouth to Bucharest flight deals. Data was last updated 1 August 2026.

Round-trip from

£191

One-way from

£155

Popular in

December

Cheapest in

January

Average price

£215
17/9-22/9
  • 17/9-22/9
  • 4 total stops
  • 29h 00m total
  • Portsmouth to Bucharest
Search Deals
11/8
  • 11/8
  • 2 total stops
  • 21h 55m total
  • Portsmouth to Bucharest
Search Deals
High demand for flights, 1% potential price rise
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 August 2026
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 1 August 2026.
Use the filters below to find and compare flights from Portsmouth to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 11/9

17:20-11:10

2 stops15h 50m

Bucharest Otopeni Intl

Fri 18/9

17:25-07:20

2 stops15h 55m

£218

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 12/9

07:50-22:35

2 stops12h 45m

Bucharest Otopeni Intl

Sun 20/9

18:20-16:50

2 stops24h 30m

£239

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 17/9

17:20-13:00

1 stop17h 40m

Bucharest Otopeni Intl

Tue 22/9

14:00-08:45

1 stop20h 45m

£245
Fastest return journey

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 17/9

11:40-23:10

2 stops9h 30m

Bucharest Otopeni Intl

Tue 22/9

22:35-16:50

3 stops20h 15m

£259

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 21/9

12:35-01:20

2 stops34h 45m

Bucharest Otopeni Intl

Wed 23/9

08:15-19:00

2 stops12h 45m

£606
Cheapest one-way

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Tue 11/8

20:00-19:55

2 stops21h 55m

£155

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Wed 12/8

20:00-01:10

2 stops27h 10m

£176

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 31/8

09:20-07:45

2 stops44h 25m

£947
Fastest single journey

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 17/8

08:55-07:45

2 stops20h 50m

£1,485

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 14/9

09:20-14:15

2 stops26h 55m

£1,488

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 11 resultsSorted by cheapest first
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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 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 1 August 2026.

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 morning could potentially save you up to 16% 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 1 August 2026.

Travellers seeking maximum savings on their Portsmouth to Bucharest flight should consider departing on Friday at midday when fares are most often at their lowest. Saturday at midday 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 17h 40m. There are 1339 mi between Portsmouth and Bucharest.

  • 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 American Airlines (74%), Japan Airlines (74%) or British Airways (74%) 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 £278 for a flight from Portsmouth to Bucharest. The cheapest flight overall is £75 while the most popular route, (Southampton Eastleigh - Bucharest Otopeni Intl) is currently priced at £192.

  • 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.

See more FAQs

Travelling to a place near Bucharest?

Book flights to Bucharest 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 9 airlines flying from Portsmouth to Bucharest

Discover the top 9 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£40Average£123FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£42Average£101FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
FLYONE RomaniaCheapest£64Average£145FlexibilityNo cancel feeOn-timeN/A
Search FLYONE Romania flights
AnimawingsCheapest£90Average£150FlexibilityNo cancel feeOn-timeN/A
Search Animawings flights
British AirwaysCheapest£97Average£195FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£106Average£272FlexibilityNo cancel feeOn-time81%
Search LOT flights
Austrian AirlinesCheapest£180Average£240FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£183Average£259FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£190Average£238FlexibilityNo cancel feeOn-time79%
Search SWISS 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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