Question 1

What is the cheapest airline to fly from Cardiff to Belfast round-trip?

Accepted Answer

Cheapflights users have booked flights from Cardiff to Belfast round-trip from £104. Aer Lingus is priced at 8% lower than the current average price of a flight leaving 3 months from now.

Question 2

What are the cheapest airlines to fly from Cardiff to Belfast one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Cardiff to Belfast are Aer Lingus (£61), British Airways (£132), and KLM (£204).

Question 3

How far ahead should I book a flight from Cardiff to Belfast?

Accepted Answer

The price you pay for your flight from Cardiff to Belfast may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

What is the cheapest month to book a flight from Cardiff to Belfast?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Cardiff to Belfast (average of £67). Flying from Cardiff to Belfast 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.

Question 5

What is the cheapest day to fly from Cardiff to Belfast?

Accepted Answer

Travellers seeking maximum savings on their Cardiff to Belfast flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 8

What is the cheapest day to fly round-trip from Cardiff to Belfast?

Accepted Answer

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Belfast. Check prices with Cheapflights to find a great deal for your trip.

Question 9

How far in advance should I book a flight from Cardiff to Belfast?

Accepted Answer

Find a great deal and save up to 63% by booking at least 24 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Cardiff to Belfast within the next two weeks, with the cheapest ticket starting at £107.

Question 10

What is the cheapest month to fly from Cardiff to Belfast?

Accepted Answer

Flights from Cardiff to Belfast lean towards being more expensive in April. Prices are generally better when you fly from Cardiff to Belfast in January, with the cheapest ticket starting at £83.

Question 11

What is the cheapest time of day to fly from CWL to BFS?

Accepted Answer

When flying from Cardiff to Belfast, 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 19% versus a flight at midday.

Question 12

What airport do you fly from for flights from Cardiff to Belfast?

Accepted Answer

Located just 9.1 mi from the city center, Cardiff Wales is the airport most travelers will use when flying to Belfast from Cardiff. Booking flights from Cardiff Wales (CWL) to Belfast should be relatively easy as there are 0 daily outbound flights to Belfast from 2 different airlines.

Question 13

Can I find deals for flights from Cardiff to Belfast that include hotel bookings?

Accepted Answer

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

Question 14

How can I find direct flights from Cardiff to Belfast?

Accepted Answer

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

Question 15

Can I find deals for business class flights from Cardiff to Belfast?

Accepted Answer

Yes. Cheapflights offers flight deals from Cardiff to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Cardiff to Belfast?

Accepted Answer

Cheapflights makes it easy to find Cardiff to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 17

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Cardiff to Belfast for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 18

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

Accepted Answer

Need flexible booking options for your flight to Belfast from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 19

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

Accepted Answer

Yes, Cheapflights offers price alerts on Cardiff to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£104
One-way from	£61
Popular in	April
Cheapest in	January
Average price	£122

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£60	Average£105	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aer Lingus	Cheapest£81	Average£112	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Cheap flights from Cardiff to Belfast from £61

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 21/8. 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 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

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Cheapest flights from Cardiff to BelfastExplore the most affordable flight options available from Cardiff to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Cardiff to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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Use the filters below to find and compare flights from Cardiff to Belfast that are best for you.

Best time to book a flight from Cardiff to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Cardiff with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Belfast

How far ahead should I book a flight from Cardiff to Belfast?

Use this chart to determine the optimal time to book a return flight from Cardiff to Belfast. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Cardiff to Belfast?

What is the cheapest time of day to fly from CWL to BFS?

Find hourly flight availability from Cardiff to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 4 July 2025.

Check out reviews from past customers who have flown with KLM, Aer Lingus, andBritish Airways from Cardiff to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Belfast. 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 Belfast?

What is the cheapest airline to fly from Cardiff to Belfast round-trip?

What are the cheapest airlines to fly from Cardiff to Belfast one-way?

Can I find deals for flights from Cardiff to Belfast that include hotel bookings?

How can I find direct flights from Cardiff to Belfast?

Can I find deals for business class flights from Cardiff to Belfast?

What is the cheapest month to book a flight from Cardiff to Belfast?

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Alternative routes for Cardiff to Belfast

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Top 2 airlines flying from Cardiff to Belfast

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How does Cheapflights help users find flights from Cardiff to Belfast?

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

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

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

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Cheapest flights from Cardiff to Belfast
Explore the most affordable flight options available from Cardiff to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.