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Cheap flights from Portsmouth to Bucharest Otopeni Intl Airport from £171

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OTP
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 10 May 2026.

Wed 17/620:00
SOU
-
OTP
2 stops25h 10m
Multiple Airlines
Wed 24/605:35
OTP
-
SOU
2 stops29h 00m
Multiple Airlines
Deal found 9/5£171
Thu 4/617:20
SOU
-
OTP
2 stops14h 25m
Multiple Airlines
Thu 11/613:10
OTP
-
SOU
2 stops21h 35m
Multiple Airlines
Deal found 6/5£175
Sat 6/612:15
SOU
-
OTP
2 stops21h 20m
Multiple Airlines
Mon 8/622:35
OTP
-
SOU
2 stops22h 55m
Multiple Airlines
Deal found 8/5£204
Fri 5/609:25
SOU
-
OTP
1 stop14h 10m
Multiple Airlines
Sat 6/606:05
OTP
-
SOU
2 stops28h 30m
Multiple Airlines
Deal found 9/5£214

Find 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 10 May 2026.

Round-trip from

£171

Popular in

December

Cheapest in

January

Average price

£122
17/6-24/6
  • 17/6-24/6
  • 4 total stops
  • 54h 10m total
  • Portsmouth to Bucharest
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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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 10 May 2026.
Use the filters below to find and compare flights from Portsmouth to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Wed 17/6

20:00-23:10

2 stops25h 10m

Bucharest Otopeni Intl

Wed 24/6

05:35-08:35

2 stops29h 00m

£171

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 6/6

12:15-11:35

2 stops21h 20m

Bucharest Otopeni Intl

Mon 8/6

22:35-19:30

2 stops22h 55m

£204

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 4/6

17:20-09:45

2 stops14h 25m

Bucharest Otopeni Intl

Thu 11/6

04:30-08:45

3 stops30h 15m

£263

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 23/5

19:40-22:55

2 stops25h 15m

Bucharest Otopeni Intl

Tue 26/5

13:30-08:05

2 stops20h 35m

£279
Fastest return journey

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Sat 23/5

17:20-13:00

1 stop17h 40m

Bucharest Otopeni Intl

Tue 26/5

18:10-08:35

1 stop16h 25m

£353

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 9/10

06:45-01:20

2 stops16h 35m

Bucharest Otopeni Intl

Wed 14/10

16:15-09:25

2 stops19h 10m

£408

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 5/10

18:25-01:20

2 stops28h 55m

Bucharest Otopeni Intl

Fri 16/10

08:15-10:45

2 stops28h 30m

£436

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Mon 5/10

18:25-01:20

2 stops28h 55m

Bucharest Otopeni Intl

Thu 15/10

08:15-20:55

2 stops14h 40m

£453

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Fri 26/6

06:45-01:20

2 stops16h 35m

Bucharest Otopeni Intl

Sun 28/6

08:10-17:45

2 stops35h 35m

£460

SouthamptonBucharest

SOU - OTP

SOUOTP

Southampton Eastleigh

Thu 25/6

18:25-01:20

2 stops28h 55m

Bucharest Otopeni Intl

Sun 28/6

08:10-20:45

2 stops38h 35m

£460

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 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 10 May 2026.

It’s optimal to fly from Portsmouth to Bucharest Otopeni Intl Airport in the morning. By choosing this option you can save up to 20% 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 9 May 2026.

Travellers seeking maximum savings on their Portsmouth to Bucharest Otopeni Intl Airport flight should consider departing on Friday at midday when fares are most often at their lowest. Tuesday 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 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 17h 40m. 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 American Airlines (88%), British Airways (84%) or Japan Airlines (82%) 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 £263 for a flight from Portsmouth to Bucharest Otopeni Intl Airport. The cheapest flight overall is £85 while the most popular route, (Southampton Eastleigh - Bucharest Otopeni Intl) is currently priced at £335.

  • 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.

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 8 airlines flying from Portsmouth to Otopeni Intl

Discover the top 8 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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£39Average£110FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£42Average£99FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
FLYONE RomaniaCheapest£63Average£143FlexibilityNo cancel feeOn-timeN/A
Search FLYONE Romania flights
AnimawingsCheapest£89Average£135FlexibilityNo cancel feeOn-timeN/A
Search Animawings flights
British AirwaysCheapest£96Average£205FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£104Average£269FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£173Average£234FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest£178Average£237FlexibilityNo cancel feeOn-time78%
Search Austrian 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 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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