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Cheap flights from Portsmouth to Bucharest Otopeni Intl Airport from £154

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OTP
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Otopeni Intl

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Otopeni Intl
Explore the most affordable flight options available from Portsmouth to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Fri 12/1219:50SOU - OTP
1 stop15h 50mMultiple Airlines
Fri 19/1206:15OTP - SOU
1 stop15h 05mMultiple Airlines
Deal found 28/10£154
Sat 15/1115:20SOU - OTP
1 stop17h 15mMultiple Airlines
Sat 22/1106:15OTP - SOU
2 stops28h 30mMultiple Airlines
Deal found 28/10£182
Sat 15/1109:25SOU - OTP
1 stop5h 45mKLM
Sat 22/1106:00OTP - SOU
1 stop13h 00mKLM
Deal found 28/10£204

Cheap flight deals from Portsmouth to Otopeni Intl

Keep the following information in mind while searching for Portsmouth to Otopeni Intl flight deals. Data was last updated 30 October 2025.

Round-trip from

£154

Popular in

December

Cheapest in

March

Average price

£111
12/12-19/12
  • 12/12-19/12
  • 2 total stops
  • 30h 55m total
  • Portsmouth 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 (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 30 October 2025.
Use the filters below to find and compare flights from Portsmouth to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Portsmouth

Fly to

Otopeni Intl

Route

Depart

Return

Price

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 12/12

19:50-13:40

1 stop15h 50m

Bucharest Otopeni Intl

Fri 19/12

06:15-19:20

1 stop15h 05m

£154

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 15/11

15:20-10:35

1 stop17h 15m

Bucharest Otopeni Intl

Sat 22/11

06:15-08:45

2 stops28h 30m

£182

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 15/11

09:25-17:10

1 stop5h 45m

Bucharest Otopeni Intl

Sat 22/11

06:00-17:00

1 stop13h 00m

£204

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 30/3

17:35-00:40

1 stop5h 05m

Bucharest Otopeni Intl

Tue 31/3

18:05-17:00

1 stop24h 55m

£360

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

08:40-13:00

1 stop26h 20m

£922

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 19/12

08:40-23:45

2 stops13h 05m

£1,059

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Best time to book a flight from Portsmouth to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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 Otopeni Intl Airport

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

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

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

Find hourly flight availability from Portsmouth to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

It’s optimal to fly from Portsmouth to Bucharest Otopeni Intl Airport at midday. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Portsmouth to Bucharest Otopeni Intl Airport?

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

Travellers seeking maximum savings on their Portsmouth to Bucharest Otopeni Intl Airport 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.

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 30 October 2025.
Read through reviews of airlines operating flights from Portsmouth to Bucharest Otopeni Intl Airport, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

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
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

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 Portsmouth to Otopeni Intl. 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 Otopeni Intl Airport?

    KLM can get you from Portsmouth to Bucharest Otopeni Intl Airport in just under 5h 45m. Your travel time can differ by up to . The distance between Portsmouth and Bucharest Otopeni Intl Airport is about 1339 mi.

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

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Bucharest Otopeni Intl Airport consider choosing Royal Air Maroc (82%), Japan Airlines (79%) or American Airlines (66%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Bucharest Otopeni Intl Airport?

    On average you can expect to pay £233 for a flight from Portsmouth to Bucharest Otopeni Intl Airport. The cheapest flight overall is £61 while the most popular route, (Southampton Eastleigh - Bucharest Otopeni Intl) is currently priced at £154.

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

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

  • How can I find direct flights from Portsmouth to Otopeni Intl?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Bucharest Otopeni Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Bucharest Otopeni Intl Airport (average of £23). Flying from Portsmouth 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 10 airlines flying from Portsmouth to Otopeni Intl

Discover the top 10 airlines that operate flights from Portsmouth 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£39Average£123FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£40Average£102FlexibilityNo cancel feeOn-timeN/A
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RyanairCheapest£43Average£111FlexibilityNo cancel feeOn-timeN/A
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British AirwaysCheapest£107Average£224FlexibilityNo cancel feeOn-time70%
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A.P.G.Cheapest£114Average£241FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
LOTCheapest£149Average£211FlexibilityNo cancel feeOn-time81%
Search LOT flights
Austrian AirlinesCheapest£162Average£256FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£166Average£217FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£176Average£371FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£257Average£404FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portsmouth to Otopeni Intl?

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Otopeni Intl?

Cheapflights helps you find that perfect flight to Otopeni Intl from Portsmouth 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 Portsmouth to Otopeni Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Otopeni Intl, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Portsmouth to Otopeni Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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