Cheap flights from Cardiff to Belfast from £65
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Belfast departing on 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 12/11
13:25-19:45
2 stops6h 20m
Belfast Intl
Fri 13/11
17:25-07:50
2 stops14h 25m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Mon 2/11
08:35-17:15
2 stops8h 40m
Belfast Intl
Wed 18/11
22:05-13:00
2 stops14h 55m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 19/11
13:25-09:20
2 stops19h 55m
Belfast Intl
Thu 26/11
07:35-17:05
1 stop9h 30m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 12/11
13:25-19:45
2 stops6h 20m
Belfast Intl
Sat 14/11
13:00-08:40
2 stops19h 40m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 12/11
13:25-19:45
2 stops6h 20m
Belfast Intl
Sat 14/11
17:00-08:40
1 stop15h 40m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Fri 20/11
16:05-09:05
2 stops17h 00m
Belfast Intl
Fri 27/11
13:45-07:50
2 stops18h 05m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Fri 20/11
16:05-08:20
2 stops16h 15m
Belfast Intl
Fri 27/11
13:45-07:50
2 stops18h 05m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 5/11
13:25-20:45
2 stops7h 20m
Belfast Intl
Thu 12/11
07:20-13:00
2 stops5h 40m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 19/11
13:25-09:20
2 stops19h 55m
Belfast Intl
Thu 26/11
07:20-13:00
2 stops5h 40m
CardiffBelfast
CWL Cardiff Wales - BFS Belfast Intl
CWLBFS
Cardiff Wales
Thu 5/11
13:25-20:45
2 stops7h 20m
Belfast Intl
Thu 12/11
07:20-13:00
2 stops5h 40m
See travel insights to Belfast from
How to get the cheapest flight ticket from Cardiff to Belfast Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Cardiff and Belfast Intl Airport?
Prices are currently typical for flights on this route.
Typical prices usually range from £103 to £162.The lowest price recently found on this route was £126.
What is the cheapest month to fly to Belfast Intl Airport?
The month of January is, on average, the cheapest month to fly to Belfast Intl Airport from Cardiff, with most prices found around £120. If you’re not able to fly to Belfast Intl Airport in January, then February is your next best option. Flight prices from Cardiff to Belfast Intl Airport during February average around £123.
How have Cardiff to Belfast Intl Airport flight prices changed over time?
As of October 2026, prices for Cardiff to Belfast Intl Airport flights are approximately 19% more expensive when compared to flights at the same time last year.
When to book flights from Cardiff to Belfast Intl Airport
Cheap Cardiff to Belfast Intl Airport (CWL to BFS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cardiff to Belfast Intl Airport
Frequently asked questions about flying from Cardiff to Belfast Intl Airport
How far is Cardiff Wales to Belfast Intl by plane?
Cardiff Wales and Belfast Intl are 252.9 mi apart from one another. By plane, this route typically takes 1h 20m.
When did momondo last update prices for flights from Cardiff Wales Airport to Belfast Intl Airport?
Prices for flights from Cardiff Wales Airport to Belfast Intl Airport were last updated today.
How many operators does momondo search for flights from Cardiff Wales Airport to Belfast Intl Airport?
As of October 2026, there are 2 operators available to choose from for flights from Cardiff Wales Airport to Belfast Intl Airport.
How old do you have to be to fly from Cardiff Wales Airport to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Cardiff to Belfast Intl Airport?
Based on momondo bookings for flights between Cardiff and Belfast Intl Airport, the leading airline is Aer Lingus, making up 87% of the total bookings. Other popular airlines include easyJet with 13%.
Best airlines flying from Cardiff to Belfast Intl Airport
Compare and see reviews for airlines that fly from Cardiff to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £62 | Free Cancellation | Rating 6.9 1,926 reviews | |||
| PriceFrom £97 | Free Cancellation | Rating 7.3 1,816 reviews |
Travelling to a place near Belfast?
Book flights to Belfast if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Cardiff to Belfast?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Belfast. momondo saves you time and could save you money on your trip.
Can I find flights from Cardiff to Belfast with flexible booking policies on momondo?
Flights from Cardiff to Belfast 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 Belfast?
momondo helps you find the best flight between Cardiff and Belfast 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 Belfast right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Cardiff to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.