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Cheap flights from Cardiff to Ostrava from £242

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 Ostrava departing on 24/1. 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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Find the cheapest flights from Cardiff to Ostrava

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:05 - 00:10
CWL
-
OSR
27h 05m3 stops
Multiple Airlines Logo
20:40 - 18:00
OSR
-
CWL
22h 20m2 stops
£242Multiple Airlines
Sat, 24 Jan - Sat, 31 Jan
Multiple Airlines Logo
20:05 - 00:10
CWL
-
OSR
27h 05m3 stops
Multiple Airlines Logo
20:40 - 16:45
OSR
-
CWL
45h 05m3 stops
£314Multiple Airlines
Sat, 24 Jan - Sat, 31 Jan
Multiple Airlines Logo
17:25 - 00:10
CWL
-
OSR
29h 45m2 stops
Multiple Airlines Logo
20:40 - 18:00
OSR
-
CWL
22h 20m2 stops
£439Multiple Airlines
Sat, 24 Jan - Sat, 31 Jan

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Ostrava 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 12 December 2025.
Use the filters below to find and compare flights from Cardiff to Ostrava that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffOstrava

CWL - OSR

CWLOSR

Cardiff Wales

Sat 24/1

20:05-00:10

3 stops27h 05m

Ostrava Mosnov

Sat 31/1

20:40-18:00

2 stops22h 20m

£242

CardiffOstrava

CWL - OSR

CWLOSR

Cardiff Wales

Sat 24/1

20:05-00:10

3 stops27h 05m

Ostrava Mosnov

Sat 31/1

20:40-16:45

3 stops45h 05m

£314

CardiffOstrava

CWL - OSR

CWLOSR

Cardiff Wales

Sat 24/1

17:25-00:10

2 stops29h 45m

Ostrava Mosnov

Sat 31/1

20:40-18:00

2 stops22h 20m

£439

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Cardiff to Ostrava

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

Cheap Cardiff to Ostrava (CWL to OSR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Ostrava

Fastest flight time

27h 05m

Direct flights

None
The fastest flight from Cardiff to Ostrava takes 27h 05m
There are no direct flights from Cardiff to Ostrava. There are no popular flight routes from Cardiff to Ostrava.
Search flight deals

  • How far is Cardiff Wales to Ostrava Mosnov by plane?

    The distance between Cardiff Wales and Ostrava Mosnov is about 942.8 mi. Flights usually cover this in 27h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Ostrava Mosnov Airport?

    Prices for flights from Cardiff Wales Airport to Ostrava Mosnov Airport are updated daily.

  • How old do you have to be to fly from Cardiff Wales Airport to Ostrava Mosnov 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 Ostrava Mosnov Airport.

  • What documentation or ID do you need to fly to Ostrava Mosnov Airport?

    The travel and health documents you'll need for your trip to Ostrava Mosnov Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ostrava Mosnov Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Cardiff to Ostrava?

    Confirm your travel details to search for the latest offers for flights from Cardiff to Ostrava. 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 Ostrava 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 Ostrava?

Book flights to Ostrava if you plan to visit one of these locations
Olomouc

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ostrava from Cardiff.

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

Flights from Cardiff to Ostrava with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Cardiff and Ostrava by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ostrava from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cabin classes currently available on flights to Ostrava

List of cabin classes available on flights landing in Ostrava. Availability may vary depending on flight origin and airline.
First Class to Ostrava
Business Class to Ostrava