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Cheap flights from Cardiff to Belfast from £55

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Cardiff to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:15 - 15:15
CWL
-
BFS
16h 00m
2 stops
Multiple Airlines Logo
08:40 - 21:45
BFS
-
CWL
13h 05m
2 stops
£110Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
23:15 - 15:15
CWL
-
BFS
16h 00m
2 stops
Multiple Airlines Logo
08:40 - 21:45
BFS
-
CWL
13h 05m
2 stops
£111Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
22:10 - 16:15
CWL
-
BFS
18h 05m
2 stops
Multiple Airlines Logo
08:40 - 21:45
BFS
-
CWL
13h 05m
2 stops
£112Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
23:15 - 15:15
CWL
-
BFS
16h 00m
2 stops
Multiple Airlines Logo
12:45 - 22:25
BFS
-
CWL
9h 40m
2 stops
£113Multiple Airlines
Tue, 2 Jun - Thu, 4 Jun
Multiple Airlines Logo
23:50 - 22:20
CWL
-
BFS
22h 30m
2 stops
Multiple Airlines Logo
07:30 - 23:05
BFS
-
CWL
15h 35m
2 stops
£115Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
23:15 - 15:15
CWL
-
BFS
16h 00m
2 stops
Multiple Airlines Logo
12:45 - 22:25
BFS
-
CWL
9h 40m
2 stops
£116Multiple Airlines
Tue, 26 May - Thu, 28 May
Multiple Airlines Logo
22:10 - 16:15
CWL
-
BFS
18h 05m
2 stops
Multiple Airlines Logo
08:40 - 21:45
BFS
-
CWL
13h 05m
2 stops
£121Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
16:15 - 00:05
CWL
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
08:40 - 21:45
BFS
-
CWL
13h 05m
2 stops
£122Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
22:50 - 18:55
CWL
-
BFS
20h 05m
2 stops
Multiple Airlines Logo
06:40 - 22:25
BFS
-
CWL
15h 45m
2 stops
£123Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
16:15 - 00:05
CWL
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
08:40 - 21:45
BFS
-
CWL
13h 05m
2 stops
£124Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 19 March 2026.
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

Cheapest return flight

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 9/6

23:15-15:15

2 stops16h 00m

Belfast Intl

Mon 15/6

08:40-21:45

2 stops13h 05m

£110

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 9/6

23:15-15:15

2 stops16h 00m

Belfast Intl

Mon 15/6

08:40-21:45

2 stops13h 05m

£111

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Mon 13/4

22:10-16:15

2 stops18h 05m

Belfast Intl

Mon 20/4

08:40-21:45

2 stops13h 05m

£112

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 2/6

23:15-15:15

2 stops16h 00m

Belfast Intl

Thu 4/6

12:45-22:25

2 stops9h 40m

£113

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Wed 29/4

23:50-22:20

2 stops22h 30m

Belfast Intl

Wed 6/5

07:30-23:05

2 stops15h 35m

£115

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 26/5

23:15-15:15

2 stops16h 00m

Belfast Intl

Thu 28/5

12:45-22:25

2 stops9h 40m

£116

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Mon 13/4

22:10-16:15

2 stops18h 05m

Belfast Intl

Mon 20/4

08:40-21:45

2 stops13h 05m

£121
Fastest return journey

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 9/6

16:15-00:05

1 stop7h 50m

Belfast Intl

Mon 15/6

08:40-21:45

2 stops13h 05m

£122

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Thu 30/4

22:50-18:55

2 stops20h 05m

Belfast Intl

Thu 7/5

06:40-22:25

2 stops15h 45m

£123

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 9/6

16:15-00:05

1 stop7h 50m

Belfast Intl

Mon 15/6

08:40-21:45

2 stops13h 05m

£124

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 cheapest month to fly to Belfast Intl Airport?

The month of October is, on average, the cheapest month to fly to Belfast Intl Airport from Cardiff, with most prices found around £104. If you’re not able to fly to Belfast Intl Airport in October, then February is your next best option. Flight prices from Cardiff to Belfast Intl Airport during February average around £111.

How far in advance should I book a flight to Belfast Intl Airport?

You are more likely to see cheaper flights to Belfast Intl Airport from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around £123 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from Cardiff for as low as £95 on momondo.

How have Cardiff to Belfast Intl Airport flight prices changed over time?

As of March 2026, prices for Cardiff to Belfast Intl Airport flights are approximately 93% more expensive when compared to flights at the same time last year.

When to book flights from Cardiff to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Fastest flight time

1h 20m

Direct flights

None
The fastest flight from Cardiff to Belfast Intl Airport takes 1h 20m
There are no direct flights from Cardiff to Belfast Intl Airport. There are no popular flight routes from Cardiff to Belfast Intl Airport.
Search flight deals

  • 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?

  • 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?

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
easyJetPriceFrom £29Free CancellationRating
6.9
1,887 reviews
Search easyJet flights
Aer LingusPriceFrom £92Free CancellationRating
7.2
1,477 reviews
Search Aer Lingus flights

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Portadown
Dungannon

Why 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.

An easier way to manage your Belfast Intl Airport trip

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