Cheap flights from Belfast Intl Airport to Bucharest Otopeni Intl Airport from £140

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OTP
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Otopeni Intl

Enter your travel dates to find the best prices.

One-way flights from Belfast Intl to Otopeni Intl
Search for one-way flight options from Belfast Intl to Otopeni Intl. Find affordable one-way fares based on user searches. Data last updated 5 December 2025.

Sun 21/1222:20BFS - OTP
2 stops25h 30mMultiple Airlines
Deal found 2/12£140
Fri 19/1208:05BFS - OTP
2 stops15h 30mMultiple Airlines
Deal found 2/12£164
Thu 18/1211:10BFS - OTP
1 stop12h 35mMultiple Airlines
Deal found 2/12£167

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 5 December 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Belfast Intl

Fly to

Otopeni Intl

Route

Depart

Return

Price

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Sun 21/12

22:20-01:50

2 stops25h 30m

£140

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Fri 19/12

08:05-01:35

2 stops15h 30m

£164

BelfastBucharest

BFS - OTP

BFSOTP

Belfast Intl

Thu 18/12

11:10-01:45

1 stop12h 35m

£167

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Best time to book a flight from Belfast Intl to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Belfast Intl 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.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Belfast Intl to Otopeni Intl?

When you search for this flight from Belfast Intl to Otopeni Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Belfast Intl to Otopeni Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Belfast Intl to Otopeni Intl with no change fees?

Certainly. Search results for flights to Otopeni Intl from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Otopeni Intl from Belfast Intl today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.