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Cheap flights from Portsmouth to Bucharest Otopeni Intl Airport from £181

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OTP
6 Sep — 13 Sep1
1 adult

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 1 September 2025.

Round-trip from

£181

Popular in

December

Cheapest in

March

Average price

£102
15/10-22/10
  • 15/10-22/10
  • 4 total stops
  • 36h 25m 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 (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Portsmouth to Otopeni Intl

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 1 September 2025.

Wed 15/1008:55SOU - OTP
2 stops16h 00mMultiple Airlines
Wed 22/1018:20OTP - SOU
2 stops20h 25mMultiple Airlines
Deal found 31/8£181
Tue 25/1108:55SOU - OTP
2 stops12h 15mMultiple Airlines
Fri 28/1106:15OTP - SOU
1 stop15h 20mMultiple Airlines
Deal found 1/9£182
Thu 23/1020:00SOU - OTP
2 stops24h 05mMultiple Airlines
Sat 25/1011:45OTP - SOU
2 stops24h 00mMultiple Airlines
Deal found 1/9£233
Mon 22/908:55SOU - OTP
2 stops10h 35mMultiple Airlines
Tue 23/921:30OTP - SOU
1 stop12h 35mMultiple Airlines
Deal found 30/8£244
Thu 23/1017:35SOU - OTP
1 stop5h 20mKLM
Sat 25/1018:05OTP - SOU
1 stop17h 45mKLM
Deal found 1/9£263
Thu 30/1009:30SOU - OTP
1 stop9h 20mMultiple Airlines
Fri 31/1006:00OTP - SOU
2 stops11h 35mMultiple Airlines
Deal found 31/8£275

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 1 September 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

Wed 15/10

08:55-02:55

2 stops16h 00m

Bucharest Otopeni Intl

Wed 22/10

18:20-12:45

2 stops20h 25m

£181

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Tue 25/11

08:55-23:10

2 stops12h 15m

Bucharest Otopeni Intl

Fri 28/11

06:15-19:35

1 stop15h 20m

£182

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 23/10

20:00-22:05

2 stops24h 05m

Bucharest Otopeni Intl

Sat 25/10

11:45-09:45

2 stops24h 00m

£233

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 22/9

08:55-21:30

2 stops10h 35m

Bucharest Otopeni Intl

Tue 23/9

21:30-08:05

1 stop12h 35m

£244

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 23/10

17:35-00:55

1 stop5h 20m

Bucharest Otopeni Intl

Sat 25/10

18:05-09:50

1 stop17h 45m

£263

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 30/10

09:30-20:50

1 stop9h 20m

Bucharest Otopeni Intl

Fri 31/10

06:00-15:35

2 stops11h 35m

£275

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 14/9

08:45-00:30

2 stops13h 45m

£764

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sun 5/10

09:10-07:45

2 stops44h 35m

£6,040

Flights are sorted by cheapest return flights first.

Deals found on 30/8

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

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 1 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Bucharest Otopeni Intl Airport as you normally would.

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 afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Bucharest Otopeni Intl Airport

Explore weekly flight availability from Portsmouth to Otopeni Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 September 2025.

The most flights from P0R to OTP are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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 1 September 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
7.8
Good
1,382 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 (78%) or American Airlines (67%) 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 £388 for a flight from Portsmouth to Bucharest Otopeni Intl Airport. The cheapest flight overall is £66 while the most popular route, (Southampton Eastleigh - Bucharest Otopeni Intl) is currently priced at £181.

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

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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 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£38Average£121FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£41Average£104FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£43Average£118FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
TAROMCheapest£76Average£136FlexibilityNo cancel feeOn-time86%
Search TAROM flights
British AirwaysCheapest£105Average£218FlexibilityNo cancel feeOn-time70%
Search British Airways flights
A.P.G.Cheapest£111Average£236FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
Austrian AirlinesCheapest£144Average£254FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LOTCheapest£146Average£214FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£163Average£215FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£172Average£363FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Portsmouth to Otopeni Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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