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Cheap flights from Cardiff to Bucharest from £163

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Bucharest departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:00 - 00:50
CWL
-
OTP
15h 50m2 stops
Multiple Airlines Logo
21:15 - 22:00
OTP
-
CWL
26h 45m1 stop
£163Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
Ryanair Logo
10:30 - 20:50
CWL
-
OTP
8h 20m1 stop
Ryanair Logo
21:15 - 22:00
OTP
-
CWL
26h 45m1 stop
£184Ryanair
Thu, 5 Feb - Thu, 12 Feb
Multiple Airlines Logo
10:30 - 03:15
CWL
-
OTP
14h 45m2 stops
Multiple Airlines Logo
22:50 - 15:40
OTP
-
CWL
18h 50m2 stops
£202Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
Multiple Airlines Logo
10:30 - 03:15
CWL
-
OTP
14h 45m2 stops
Multiple Airlines Logo
17:40 - 15:40
OTP
-
CWL
24h 00m3 stops
£208Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
KLM Logo
17:15 - 13:00
CWL
-
OTP
17h 45m1 stop
KLM Logo
14:00 - 09:15
OTP
-
CWL
21h 15m1 stop
£284KLM
Wed, 22 Apr - Sun, 26 Apr
Multiple Airlines Logo
08:35 - 00:30
CWL
-
OTP
13h 55m3 stops
Multiple Airlines Logo
17:40 - 15:40
OTP
-
CWL
24h 00m3 stops
£302Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
Multiple Airlines Logo
21:10 - 19:25
CWL
-
OTP
20h 15m2 stops
Multiple Airlines Logo
16:05 - 22:00
OTP
-
CWL
31h 55m3 stops
£313Multiple Airlines
Wed, 22 Apr - Sun, 26 Apr
Multiple Airlines Logo
21:10 - 19:25
CWL
-
OTP
20h 15m2 stops
Multiple Airlines Logo
14:15 - 10:00
OTP
-
CWL
21h 45m2 stops
£319Multiple Airlines
Wed, 22 Apr - Sun, 26 Apr
Multiple Airlines Logo
17:15 - 13:00
CWL
-
OTP
17h 45m1 stop
Multiple Airlines Logo
21:10 - 22:00
OTP
-
CWL
26h 50m2 stops
£322Multiple Airlines
Wed, 22 Apr - Sun, 26 Apr
Multiple Airlines Logo
21:10 - 15:20
CWL
-
OTP
40h 10m3 stops
Multiple Airlines Logo
16:05 - 22:00
OTP
-
CWL
31h 55m3 stops
£363Multiple Airlines
Wed, 22 Apr - Sun, 26 Apr

KLM flights from Cardiff to Bucharest Otopeni Intl Airport

Our best KLM deals on Cardiff to Bucharest Otopeni Intl Airport flight tickets
KLM
22 Apr
CWL17:15Cardiff Wales
17h 45m
1 stop
OTP13:00Bucharest Otopeni Intl
26 Apr
OTP14:00Bucharest Otopeni Intl
21h 15m
1 stop
CWL09:15Cardiff Wales
£284
Find similar
KLM
24 Dec
CWL10:20Cardiff Wales
12h 10m
1 stop
OTP00:30Bucharest Otopeni Intl
3 Jan
OTP18:00Bucharest Otopeni Intl
24h 50m
1 stop
CWL16:50Cardiff Wales
£499
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Bucharest Otopeni Intl Airport 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, momondo users made 279,928 searches. Data last updated 23 December 2025.
Use the filters below to find and compare flights from Cardiff to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Thu 5/2

07:00-00:50

2 stops15h 50m

Bucharest Otopeni Intl

Thu 12/2

21:15-22:00

1 stop26h 45m

£163

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Thu 5/2

10:30-20:50

1 stop8h 20m

Bucharest Otopeni Intl

Thu 12/2

21:15-22:00

1 stop26h 45m

£184

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Thu 5/2

10:30-03:15

2 stops14h 45m

Bucharest Otopeni Intl

Thu 12/2

22:50-15:40

2 stops18h 50m

£202

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Thu 5/2

10:30-03:15

2 stops14h 45m

Bucharest Otopeni Intl

Thu 12/2

17:40-15:40

3 stops24h 00m

£208

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Wed 22/4

17:15-13:00

1 stop17h 45m

Bucharest Otopeni Intl

Sun 26/4

14:00-09:15

1 stop21h 15m

£284

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Thu 5/2

08:35-00:30

3 stops13h 55m

Bucharest Otopeni Intl

Thu 12/2

17:40-15:40

3 stops24h 00m

£302

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Wed 22/4

21:10-19:25

2 stops20h 15m

Bucharest Otopeni Intl

Sun 26/4

16:05-22:00

3 stops31h 55m

£313

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Wed 22/4

21:10-19:25

2 stops20h 15m

Bucharest Otopeni Intl

Sun 26/4

14:15-10:00

2 stops21h 45m

£319

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Wed 22/4

17:15-13:00

1 stop17h 45m

Bucharest Otopeni Intl

Sun 26/4

21:10-22:00

2 stops26h 50m

£322

CardiffBucharest

CWL - OTP

CWLOTP

Cardiff Wales

Wed 22/4

21:10-15:20

3 stops40h 10m

Bucharest Otopeni Intl

Sun 26/4

16:05-22:00

3 stops31h 55m

£363

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Cardiff to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Bucharest Otopeni Intl Airport (CWL to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Bucharest Otopeni Intl Airport

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Cardiff to Bucharest Otopeni Intl Airport takes 12h 30m
There are no direct flights from Cardiff to Bucharest Otopeni Intl Airport. There are no popular flight routes from Cardiff to Bucharest Otopeni Intl Airport.
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  • How far is Cardiff Wales to Bucharest Otopeni Intl by plane?

    The straight-line distance from Cardiff Wales to Bucharest Otopeni Intl is 1422.4 mi. A reasonable flight in good conditions will take 12h 30m.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Bucharest Otopeni Intl Airport?

    Prices for flights from Cardiff Wales Airport to Bucharest Otopeni Intl Airport are updated daily.

  • How old do you have to be to fly from Cardiff Wales Airport to Bucharest Otopeni Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The necessary travel and health documents for your Bucharest Otopeni Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Cardiff to Bucharest Otopeni Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Cardiff to Bucharest Otopeni Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Cardiff to Bucharest Otopeni Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Bucharest?

It is quick and easy to find Cardiff to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Cardiff to Bucharest with flexible booking policies on momondo?

Yes. All flights to Bucharest from Cardiff on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Cardiff to Bucharest?

momondo provides multiple filters to help you find the best flight to Bucharest from Cardiff. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Cardiff to Bucharest right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cardiff to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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