Flights from Cardiff to Belfast, United Kingdom

Did you mean flights from Belfast to Cardiff?

Cardiff to Belfast Last modified: May 8, 2025 15:22 -04:00

We've scanned 122,775,531 round trip itineraries and found the cheapest flights to Belfast. Aer Lingus & KLM frequently offer the best deals to Belfast flights, or select your preferred carrier below to see the cheapest days to fly.

Aer Lingus
CWLBFS
Tue 13/05
nonstop
BFSCWL
Wed 14/05
nonstop
£147
KLM
CWLBFS
Wed 14/05
1 stop
BFSCWL
Sat 17/05
1 stop
£276
Multiple Airlines
CWLBFS
Fri 20/06
1 stop
BFSCWL
Fri 27/06
1 stop
£345

How Much is a Flight from Cardiff to Belfast?

We have collected flight cost data from across the web for travel from Cardiff to Belfast, and have found the average flight price for this trip to be £149.

Where To Buy Cheap Flights from Cardiff to Belfast?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Cardiff to Belfast based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

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

The chart below shows up-to-date information regarding how far in advance to book your flight from Cardiff to Belfast.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days £177 £454
7-14 days £147 £276
14-21 days £153 £347
21-30 days £153 £332
30-60 days £147 £345
60-90 days £147 £345
90+ days £147 £277

Cheapest Day To Fly from Cardiff to Belfast

We've examined 245,551,062 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Cardiff to Belfast is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
£147£147£147£152£147 £152

Compare Flight Prices from Cardiff to Belfast by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Cardiff to Belfast flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
April Cardiff Belfast Aer Lingus 30/04/2025 13/05/2025 0 £177
May Cardiff Belfast Aer Lingus 13/05/2025 14/05/2025 0 £147
June Cardiff Belfast Aer Lingus 03/06/2025 05/06/2025 0 £147

Cheap Last Minute Flights from Cardiff to Belfast

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Cardiff to Belfast. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
27 28 29 30 1 2 3
£280
4 5 6 7 8 9 10
£280 £182
11 12 13 14 15 16 17
£182 £182
18 19 20 21 22 23 24
£182 £182
25 26 27 28 29 30 31
£182 £318
1 2 3 4 5 6 7
£318

Connecting Flights vs Direct Flights from Cardiff to Belfast

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Cardiff to Belfast is £311.

The average price for direct flights from Cardiff to Belfast is £157.

One Way Flights vs Round Trip Flights from Cardiff to Belfast

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Cardiff to Belfast. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Cardiff to Belfast is £78.

The average price for round trip flights from Cardiff to Belfast is £157.

Cardiff to Belfast Flight Questions

Airlines in Cardiff flying to Belfast Last modified: May 8, 2025 15:22 -04:00Number of routes searched: 0Number of itineraries searched: 0

Wondering which airlines fly out of Cardiff to Belfast? We've gathered the average price of Cardiff airlines with flights to Belfast. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from Cardiff to Belfast