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Cheap flights from Belfast to Cardiff from £45

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CWL
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Cardiff
Explore the most affordable flight options available from Belfast to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 July 2026.

Thu 3/910:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Mon 7/912:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 21/7£93
Sat 10/1010:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Wed 14/1012:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 22/7£102
Fri 11/910:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Sun 13/912:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 20/7£107
Thu 3/910:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Sun 6/912:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 23/7£109
Wed 23/910:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Sat 26/912:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 20/7£109
Fri 11/910:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Sat 3/1012:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 21/7£113
Sat 5/910:15
BHD
-
CWL
Nonstop1h 15m
Aer Lingus
Mon 7/912:00
CWL
-
BHD
Nonstop1h 20m
Aer Lingus
Deal found 19/7£116
Fri 21/808:55
BFS
-
CWL
2 stops13h 25m
Multiple Airlines
Mon 24/822:10
CWL
-
BFS
2 stops11h 50m
Multiple Airlines
Deal found 20/7£118
Fri 21/808:55
BFS
-
CWL
2 stops22h 00m
Multiple Airlines
Fri 28/822:45
CWL
-
BFS
2 stops17h 45m
Multiple Airlines
Deal found 20/7£119
Thu 3/912:45
BFS
-
CWL
2 stops9h 40m
Multiple Airlines
Mon 7/922:10
CWL
-
BFS
2 stops14h 05m
Multiple Airlines
Deal found 22/7£120
Tue 8/912:50
BHD
-
CWL
2 stops10h 00m
Multiple Airlines
Wed 9/912:00
CWL
-
BHD
Nonstop1h 20m
Multiple Airlines
Deal found 22/7£120
Tue 1/907:35
BFS
-
CWL
2 stops15h 15m
Multiple Airlines
Sun 6/921:45
CWL
-
BFS
2 stops20h 40m
Multiple Airlines
Deal found 21/7£122

Find flight deals from Belfast to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Cardiff (CWL). 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 24 July 2026.

Round-trip from

£93

One-way from

£45

Popular in

February

Cheapest in

November

Average price

£147
Aer Lingus
  • Aer Lingus
  • 3/9-7/9
  • Nonstop
  • 2h 35m total
  • Belfast to Cardiff
Search Deals
Aer Lingus
  • Aer Lingus
  • 22/9
  • Nonstop
  • 1h 15m total
  • Belfast to Cardiff
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Cardiff 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 24 July 2026.
Use the filters below to find and compare flights from Belfast to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 11/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Sun 13/9

12:00-13:20

Nonstop1h 20m

£107

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 3/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Sun 6/9

12:00-13:20

Nonstop1h 20m

£109

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 11/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Sat 3/10

12:00-13:20

Nonstop1h 20m

£113

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Sat 5/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Mon 7/9

12:00-13:20

Nonstop1h 20m

£116

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Tue 8/9

12:50-22:50

2 stops10h 00m

Cardiff Wales

Wed 9/9

12:00-13:20

Nonstop1h 20m

£120

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 1/9

07:35-22:50

2 stops15h 15m

Cardiff Wales

Sun 6/9

21:45-18:25

2 stops20h 40m

£122

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 3/9

15:00-22:20

2 stops31h 20m

Cardiff Wales

Mon 7/9

12:00-13:20

Nonstop1h 20m

£124

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Fri 14/8

17:05-06:55

2 stops13h 50m

Cardiff Wales

Fri 21/8

22:45-16:30

2 stops17h 45m

£127

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 4/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Sun 6/9

12:00-13:20

Nonstop1h 20m

£127

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Mon 26/10

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Tue 27/10

12:00-13:20

Nonstop1h 20m

£130

Flights are sorted by cheapest return flights first.

Deals found on 21/7

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Belfast 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 Belfast to Cardiff

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

Currently, November is the cheapest month in which you can book a flight from Belfast to Cardiff (average of £100). Flying from Belfast to Cardiff in March is currently the most expensive (average of £148). 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 BFS to CWL?

Find hourly flight availability from Belfast to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast to Cardiff as you normally would.

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

Airfare is below average for this route at the moment.
Belfast to Cardiff flights typically cost between £110 and £204 in September.
The cheapest return price found within the last 5 days was £93 on Aer Lingus (3 Sept–7 Sept).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated 24 July 2026.
Get a feel of what it's like to fly with Aer Lingus from Belfast to Cardiff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,676 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.6

Comfort

7.2

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
1,676 reviews
Aer Lingus
7.3
Good
1,676 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.6

Comfort

7.2

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

Find useful and relevant information for your journey from Belfast to Cardiff. 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 into for flights to Cardiff from Belfast?

    Cardiff Wales (CWL) is the airport you will fly into if you book a flight from Belfast to Cardiff. You should not have trouble finding flights to Cardiff Wales from Belfast; the airport handles an average of 0 inbound flights from Belfast per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Cardiff airport from Belfast. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.

  • How long is the flight from Belfast to Cardiff?

    Airlines like Aer Lingus fly from Belfast to Cardiff in about 1h 15m. The time it takes to get you to your destination is usually consistent. There are 246 mi between Belfast and Cardiff. Most flights are nonstop.

  • What is the cheapest airline to fly from Belfast to Cardiff round-trip?

    Aer Lingus, at £91, was found to be the cheapest airline from Belfast to Cardiff.. Aer Lingus is currently priced 30% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to Cardiff 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 Belfast to Cardiff?

    Currently, November is the cheapest month in which you can book a flight from Belfast to Cardiff (average of £100). Flying from Belfast to Cardiff in March is currently the most expensive (average of £148). 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

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast to Cardiff

Discover the top airline that operate flights from Belfast to Cardiff. 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 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£91Average£127FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast to Cardiff. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Cardiff 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 Belfast to Cardiff with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast to Cardiff flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Belfast to Cardiff 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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