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Cheap flights from Cardiff to Belfast

CWL — BHD
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Cardiff to Belfast

Popular in

July

Cheapest in

January

Average price

£129
Highest demand for flights based on searches. 12% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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.
Estimated return price

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?

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 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Cardiff to Belfast (average of £119). Flying from Cardiff to Belfast in March is currently the most expensive (average of £161). 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?

When flying from Cardiff to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Belfast

Check out reviews from past customers who have flown with Aer Lingus and easyJet 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.
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Crew

8.1

Comfort

7.2

Entertainment

7.0

Food

6.7

Overall

7.3

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,789 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Crew

8.1

Comfort

7.2

Entertainment

7.0

Food

6.7

Overall

7.3

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
easyJet
6.9
Okay
1,929 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Crew

8.1

Comfort

7.2

Entertainment

7.0

Food

6.7

Overall

7.3

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

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

    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.

  • What are the cheapest airlines flying from Cardiff to Belfast round-trip?

    Cheapflights users have booked flights from Cardiff to Belfast round-trip from £62. Another airline that can offer you cheap pricing is Aer Lingus. easyJet is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Cardiff to Belfast?

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

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

    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.

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

    Currently, September is the cheapest month in which you can book a flight from Cardiff to Belfast (average of £119). Flying from Cardiff to Belfast in March is currently the most expensive (average of £161). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Cardiff to Belfast

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£62Average£94FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£97Average£133FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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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.

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

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.

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