Cheap flights from Cardiff to Belfast Intl Airport from £185
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Cardiff Wales to Belfast Intl are usually found in January or November, booked 86 days in advance, depart on a Wednesday or Tuesday and return on a Saturday
Cheap flight deals from Cardiff to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Belfast Intl (BFS). 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 11 July 2025.
Find flight deals from Cardiff to Belfast Intl
Cheapest flights from Cardiff to Belfast IntlExplore the most affordable flight options available from Cardiff to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Cardiff to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Cardiff to Belfast 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 11 July 2025.
Use the filters below to find and compare flights from Cardiff to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
CardiffBelfast
CWL - BFS
CWLBFS
Cardiff Wales
Sat 9/8
09:00-08:00
2 stops23h 00m
Belfast Intl
Fri 15/8
16:40-07:30
2 stops14h 50m
Best time to book a flight from Cardiff to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Cardiff with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to Belfast Intl Airport
How far ahead should I book a flight from Cardiff to Belfast Intl Airport?
Use this chart to determine the optimal time to book a return flight from Cardiff to Belfast Intl. Price data was last updated on 27 June 2025.
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cardiff to Belfast Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Cardiff to Belfast Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Cardiff to Belfast Intl Airport (average of £67). Flying from Cardiff to Belfast Intl Airport in July is currently the most expensive (average of £90). 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.
What is the cheapest time of day to fly from CWL to BFS?
Find hourly flight availability from Cardiff to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
When flying from Cardiff to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight at midday.
How much does it cost for a return flight from Cardiff to Belfast Intl Airport?
Related info for your journey
Find useful and relevant information for your journey from Cardiff to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Cardiff?
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Alternative routes for Cardiff to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Cardiff to Belfast Intl
Discover the top 2 airlines that operate flights from Cardiff to Belfast 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 11 July 2025.
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How does Cheapflights help users find flights from Cardiff to Belfast Intl?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Belfast Intl from Cardiff today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Cardiff to Belfast Intl?
Cheapflights simply makes it quick and affordable to book flights from Cardiff to Belfast 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 Cardiff to Belfast Intl with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Cardiff to Belfast Intl, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Cardiff to Belfast Intl become cheaper?
Not ready to book yet? You can track prices for flights from Cardiff to Belfast Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.