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Cheap flights from Cardiff to Belfast from £49

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BHD
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Belfast

Enter your travel dates to find the best prices.

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 23 April 2026.

Wed 3/623:30
CWL
-
BFS
2 stops22h 50m
Multiple Airlines
Wed 10/607:30
BFS
-
CWL
2 stops15h 35m
Multiple Airlines
Deal found 18/4£99
Fri 5/622:45
CWL
-
BFS
2 stops22h 30m
Multiple Airlines
Mon 8/621:55
BFS
-
CWL
2 stops24h 55m
Multiple Airlines
Deal found 19/4£102
Sun 10/521:45
CWL
-
BFS
2 stops17h 35m
Multiple Airlines
Wed 13/520:15
BFS
-
CWL
2 stops26h 10m
Multiple Airlines
Deal found 18/4£104
Tue 12/523:15
CWL
-
BFS
2 stops23h 15m
Multiple Airlines
Thu 14/509:15
BFS
-
CWL
2 stops13h 10m
Multiple Airlines
Deal found 20/4£105
Tue 5/523:15
CWL
-
BFS
2 stops24h 05m
Multiple Airlines
Thu 7/506:40
BFS
-
CWL
2 stops15h 45m
Multiple Airlines
Deal found 22/4£105
Tue 12/512:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Wed 13/510:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Deal found 21/4£107
Fri 5/622:45
CWL
-
BFS
2 stops22h 30m
Multiple Airlines
Tue 9/607:35
BFS
-
CWL
2 stops15h 15m
Multiple Airlines
Deal found 20/4£108
Wed 6/512:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Thu 7/510:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Deal found 21/4£108
Fri 5/622:45
CWL
-
BFS
2 stops22h 30m
Multiple Airlines
Fri 12/617:05
BFS
-
CWL
2 stops13h 50m
Multiple Airlines
Deal found 21/4£108
Tue 30/612:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Fri 3/710:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Deal found 20/4£112
Tue 12/523:15
CWL
-
BFS
2 stops12h 20m
Multiple Airlines
Wed 13/515:40
BFS
-
CWL
2 stops7h 25m
Multiple Airlines
Deal found 21/4£113
Tue 7/712:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Tue 14/710:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Deal found 20/4£116

Find flight deals from Cardiff to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2026.

Round-trip from

£99

One-way from

£49

Popular in

July

Cheapest in

October

Average price

£116
3/6-10/6
  • 3/6-10/6
  • 4 total stops
  • 38h 25m total
  • Cardiff to Belfast
Search Deals
Aer Lingus
  • Aer Lingus
  • 3/6
  • Nonstop
  • 1h 20m total
  • Cardiff to Belfast
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Belfast 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, Cheapflights users made 858,174 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from Cardiff to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 12/5

23:15-22:30

2 stops23h 15m

Belfast Intl

Thu 14/5

09:15-22:25

2 stops13h 10m

£105

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/6

22:45-21:15

2 stops22h 30m

Belfast Intl

Tue 9/6

07:35-22:50

2 stops15h 15m

£108
Fastest return journey

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Tue 30/6

12:00-13:20

Nonstop1h 20m

Belfast City

Fri 3/7

10:15-11:30

Nonstop1h 15m

£112

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 12/5

15:00-00:05

1 stop9h 05m

Belfast Intl

Wed 20/5

15:40-23:05

2 stops7h 25m

£128

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 23/6

23:15-15:15

2 stops16h 00m

Belfast Intl

Thu 25/6

06:40-22:25

2 stops15h 45m

£130

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 15/5

22:45-14:15

2 stops15h 30m

Belfast Intl

Sun 17/5

22:10-21:45

2 stops23h 35m

£136

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 19/5

16:15-23:50

1 stop7h 35m

Belfast Intl

Tue 26/5

07:35-22:50

2 stops15h 15m

£139

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 5/6

12:00-13:20

Nonstop1h 20m

Belfast City

Mon 8/6

09:30-21:45

2 stops12h 15m

£156

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Thu 4/6

16:55-07:50

1 stop14h 55m

Belfast Intl

Sun 7/6

22:00-21:45

2 stops23h 45m

£169

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Sun 2/8

12:00-13:20

Nonstop1h 20m

Belfast City

Thu 6/8

10:15-11:30

Nonstop1h 15m

£173

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 35 resultsSorted by cheapest first
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 85 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, October is the cheapest month in which you can book a flight from Cardiff to Belfast (average of £29). Flying from Cardiff to Belfast in January is currently the most expensive (average of £93). 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?

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 23 April 2026.

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.

How much does it cost for a return flight from Cardiff to Belfast?

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 23 April 2026.
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
1,524 reviews
Check prices

Food

6.6

Comfort

7.2

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Aer Lingus
7.3
Good
1,524 reviews
Aer Lingus
7.3
Good
1,524 reviews
Check prices

Food

6.6

Comfort

7.2

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
easyJet
6.9
Okay
1,894 reviews
Aer Lingus
7.3
Good
1,524 reviews
Check prices

Food

6.6

Comfort

7.2

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.

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?

    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.

  • How long is the flight from Cardiff to Belfast?

    There are many flights that can get you from Cardiff to Belfast in 1h 20m. Fly via Aer Lingus to get the fastest option. Cardiff and Belfast are separated by a distance of 246 mi. All flights are typically direct.

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

    Cheapflights users have booked flights from Cardiff to Belfast round-trip from £29. Another airline that can offer you cheap pricing is Aer Lingus. easyJet is priced at 76% 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, October is the cheapest month in which you can book a flight from Cardiff to Belfast (average of £29). Flying from Cardiff to Belfast in January is currently the most expensive (average of £93). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Cardiff to Belfast

Discover the top 2 airlines that operate flights from Cardiff to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£29Average£92FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£91Average£125FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

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

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.

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

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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