Cardiff to Belfast Flights on Aer Lingus from £52.95*

Promo Code

Book Cardiff to Belfast flight deals*

Mar 2026
From£75.95*
Seen: 14 hrs ago
Flight Type One Way/Economy
Apr 2026
From£52.95*
Seen: 3 hrs ago
Flight Type One Way/Economy
May 2026
From£52.95*
Seen: 1 hour ago
Flight Type One Way/Economy
£52.95
£196.95
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    • Range£52.95-£196.95

    * Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.

    Aer Lingus Plane Image

    Book Cardiff to Belfast flight deals*

    *Roundtrip Restrictions apply.
    Each way fare as part of a return trip including taxes and charges. One way fare including taxes and charges.

    Testing Each way

    Testing Each way
    From
    To
    Fare Type
    Dates
    Price
    Cardiff (CWL)Belfast (BHD)One way
    /
    Economy    		Depart: 14 May 2026

    From

    £52.95

    Seen: 1 hour ago

    QA FE Test Travel Dates Filter Feature Prepro

    Dublin (DUB)to

    Malaga (AGP)
    Depart: 19 Apr 2026
    From
    €56.25
    Seen: 1 hour ago
    One way
    Economy

    Dublin (DUB)to

    New York (JFK)
    4 Jun 2026 - 7 Jun 2026
    From
    €225.76
    Seen: 2 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Orlando (MCO)
    3 May 2026 - 10 May 2026
    From
    €252.76
    Seen: 1 hour ago
    Each way
    Economy

    Boston (BOS)to

    Dublin (DUB)
    1 Sep 2026 - 9 Sep 2026
    From
    $584.19
    Seen: 23 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Faro (FAO)
    Depart: 10 Apr 2026
    From
    €56.25
    Seen: 37 minutes ago
    One way
    Economy

    Chicago (ORD)to

    Dublin (DUB)
    5 May 2026 - 17 Nov 2026
    From
    $641.59
    Seen: 21 hrs ago
    Roundtrip*
    Economy

    New York (JFK)to

    Dublin (DUB)
    30 Apr 2026 - 19 Nov 2026
    From
    $550.09
    Seen: 23 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Paris (CDG)
    Depart: 15 Apr 2026
    From
    €51.25
    Seen: 58 minutes ago
    One way
    Economy

    Dublin (DUB)to

    London (LHR)
    Depart: 19 May 2026
    From
    €59.25
    Seen: 1 hour ago
    One way
    Economy

    Boston (BOS)to

    Shannon (SNN)
    8 May 2026 - 12 May 2026
    From
    $581.78
    Seen: 21 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Lanzarote (ACE)
    Depart: 20 Apr 2026
    From
    €76.25
    Seen: 1 hour ago
    One way
    Economy

    Dublin (DUB)to

    Toronto (YYZ)
    17 Sep 2026 - 25 Sep 2026
    From
    €223.32
    Seen: 2 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Chicago (ORD)
    17 Jun 2026 - 23 Jun 2026
    From
    €279.76
    Seen: 1 hour ago
    Each way
    Economy

    Cleveland (CLE)to

    Dublin (DUB)
    31 Mar 2026 - 7 Apr 2026
    From
    $684.19
    Seen: 6 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Rome (FCO)
    Depart: 12 Apr 2026
    From
    €66.68
    Seen: 4 minutes ago
    One way
    Economy

    Dublin (DUB)to

    Amsterdam (AMS)
    Depart: 2 Sep 2026
    From
    €44.20
    Seen: 17 hrs ago
    One way
    Economy

    Dublin (DUB)to

    Boston (BOS)
    4 May 2026 - 13 Jun 2026
    From
    €225.76
    Seen: 1 hour ago
    Each way
    Economy

    Los Angeles (LAX)to

    Dublin (DUB)
    27 Apr 2026 - 5 May 2026
    From
    $814.19
    Seen: 16 hrs ago
    Roundtrip*
    Economy

    San Francisco (SFO)to

    Dublin (DUB)
    9 Sep 2026 - 17 Sep 2026
    From
    $814.19
    Seen: 21 hrs ago
    Roundtrip*
    Economy

    Raleigh (RDU)to

    Dublin (DUB)
    21 Apr 2026 - 28 Apr 2026
    From
    $646.19
    Seen: 4 hrs ago
    Roundtrip*
    Economy