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Cheap flights from Cardiff to Bucharest Otopeni Intl Airport from £108

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — OTP
30 Dec — 6 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Otopeni Intl (OTP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 November 2025.

Round-trip from

£385

One-way from

£108
KLM
  • KLM
  • 12/1-15/1
  • 2 total stops
  • 35h 55m total
  • Cardiff to Bucharest
Search Deals
20/3
  • 20/3
  • 2 total stops
  • 21h 50m total
  • Cardiff to Bucharest
Search Deals

Find flight deals from Cardiff to Otopeni Intl

Enter your travel dates to find the best prices.

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

Sun 21/1221:20CWL - OTP
2 stops18h 25mMultiple Airlines
Sat 3/120:05OTP - CWL
2 stops23h 55mMultiple Airlines
Deal found 28/11£421
Sun 21/1221:20CWL - OTP
2 stops35h 50mRyanair
Sat 3/112:40OTP - CWL
1 stop9h 00mRyanair
Deal found 28/11£474
Sun 21/1217:30CWL - OTP
1 stop28h 00mKLM
Sat 3/113:55OTP - CWL
1 stop21h 50mKLM
Deal found 28/11£641

Cheapflights Fare Finder

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

Fly from

Cardiff

Fly to

Otopeni Intl

Route

Depart

Return

Price

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Mon 12/1

10:20-23:30

1 stop11h 10m

Bucharest Otopeni Intl

Thu 15/1

18:00-16:45

1 stop24h 45m

£385

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Sun 21/12

21:20-01:45

3 stops26h 25m

Bucharest Otopeni Intl

Sat 3/1

20:05-18:00

2 stops23h 55m

£440

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Sun 21/12

21:20-11:10

2 stops35h 50m

Bucharest Otopeni Intl

Sat 3/1

12:40-19:40

1 stop9h 00m

£474

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Mon 12/1

12:00-23:00

2 stops33h 00m

Bucharest Otopeni Intl

Thu 15/1

21:00-11:30

2 stops40h 30m

£516

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Sun 21/12

17:30-23:30

1 stop28h 00m

Bucharest Otopeni Intl

Sat 3/1

13:55-09:45

1 stop21h 50m

£641

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Fri 20/3

22:25-22:15

2 stops21h 50m

£108

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Fri 20/3

17:15-13:00

1 stop17h 45m

£147

Flights are sorted by cheapest return flights first.

Deals found on 29/11

Best time to book a flight from Cardiff to Otopeni Intl

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

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

Currently, February is the cheapest month in which you can book a flight from Cardiff to Bucharest Otopeni Intl Airport (average of £36). Flying from Cardiff to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £148). 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.

Related info for your journey

Find useful and relevant information for your journey from Cardiff 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 airport do you fly from for flights from Cardiff to Bucharest Otopeni Intl?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to Bucharest Otopeni Intl. 0 airlines have flights from Cardiff Wales to Bucharest Otopeni Intl on a regular basis. Booking flights from Cardiff Wales to Bucharest Otopeni Intl should not be difficult; the airport handles an average of 0 outbound flights to Bucharest Otopeni Intl per day.

  • How long is the flight from Cardiff to Bucharest Otopeni Intl Airport?

    KLM and Ryanair can get you from Cardiff to Bucharest Otopeni Intl Airport in just under 11h 10m. Your travel time can differ by up to 24h 40m. There are 1429 mi between Cardiff and Bucharest Otopeni Intl Airport. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Cardiff to Bucharest Otopeni Intl Airport (average of £36). Flying from Cardiff to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of £148). 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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Alternative routes for Cardiff to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

Cheapflights helps you search for flights from Cardiff to Otopeni Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Otopeni Intl for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Cardiff to Otopeni Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Cardiff 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 Cardiff today and book when prices fit your budget.

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