CWL - DUB

$18 Find Cheap Flights from Cardiff to Dublin - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$41
Typical prices: $49-$126
Ryanair
Sat 9/15Mon 9/17
CWL - DUB • Non-stop
Cheapest non-stop
$41
Typical prices: $48-$122
Ryanair
Fri 10/19Sun 10/21
CWL - DUB • Non-stop
Nonstop flights
You can fly direct with Ryanair. Average duration is 1h 01m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $299 (round-trip)
Shortest trip • 6h 24m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Cardiff to Dublin (CWL-DUB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Cardiff to Dublin

Tue, Sep 15 - Thu, Sep 17
Ryanair Logo
11:15 pm - 12:15 amCWL  Cardiff Wales-DUB Dublin
1h 00mnonstop
Ryanair Logo
9:25 pm - 10:25 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Thu, Oct 1 - Thu, Oct 8
Ryanair Logo
10:50 pm - 11:55 pmCWL  Cardiff Wales-DUB Dublin
1h 05mnonstop
Ryanair Logo
9:25 pm - 10:25 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Mon, Oct 19 - Wed, Oct 21
Ryanair Logo
10:10 pm - 11:15 pmCWL  Cardiff Wales-DUB Dublin
1h 05mnonstop
Ryanair Logo
10:25 pm - 11:25 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Thu, Sep 24 - Fri, Sep 25
Ryanair Logo
10:50 pm - 11:55 pmCWL  Cardiff Wales-DUB Dublin
1h 05mnonstop
Ryanair Logo
9:20 pm - 10:20 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Tue, Oct 20 - Wed, Oct 21
Ryanair Logo
11:15 pm - 12:15 amCWL  Cardiff Wales-DUB Dublin
1h 00mnonstop
Ryanair Logo
10:25 pm - 11:25 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Mon, Sep 28 - Thu, Oct 1
Ryanair Logo
10:10 pm - 11:15 pmCWL  Cardiff Wales-DUB Dublin
1h 05mnonstop
Ryanair Logo
9:25 pm - 10:25 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Wed, Sep 30 - Wed, Oct 7
Ryanair Logo
11:50 pm - 12:50 amCWL  Cardiff Wales-DUB Dublin
1h 00mnonstop
Ryanair Logo
10:25 pm - 11:25 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Mon, Oct 12 - Tue, Oct 13
Ryanair Logo
10:10 pm - 11:15 pmCWL  Cardiff Wales-DUB Dublin
1h 05mnonstop
Ryanair Logo
9:50 pm - 10:50 pmDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$41Ryanair
Sat, Sep 19 - Sun, Sep 20
Multiple Airlines Logo
7:30 am - 8:30 amCWL  Cardiff Wales-DUB Dublin
1h 00mnonstop
Multiple Airlines Logo
11:10 pm - 9:50 amDUB  Dublin-CWL Cardiff Wales
34h 40m2 stops Manchester Faro
$131Multiple Airlines
Wed, Oct 7 - Sat, Oct 10
Multiple Airlines Logo
9:10 pm - 6:10 pmCWL  Cardiff Wales-DUB Dublin
21h 00m2 stops Alicante Manchester
Multiple Airlines Logo
5:55 am - 6:55 amDUB  Dublin-CWL Cardiff Wales
1h 00mnonstop
$134Multiple Airlines
Booking Insights

Price, demand and travel trends for Cardiff to Dublin flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Cardiff to Dublin with more confidence.

How much is a round-trip flight from Cardiff to Dublin?

Round-trip flights from Cardiff to Dublin start at $41. Prices are below average for this route right now, with typical round-trip fares ranging from $49 to $126. The lowest price found in the past 5 days was $41 on Ryanair.

What's the cheapest day of the week to fly from Cardiff to Dublin?

Wednesday is the cheapest day of the week to fly from Cardiff to Dublin, it is 25% cheaper than the average day. Friday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Cardiff to Dublin?

  • June is the cheapest month to fly from Cardiff to Dublin at $55 round-trip.
  • March ($110) and August ($108) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Cardiff to Dublin the cheapest?

Flights from Cardiff to Dublin are cheapest 5 weeks before departure. Booking in this window typically costs about 53% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Cardiff to Dublin flights

Low season

May

Cheapest flight

$18
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from Cardiff to Dublin

When to book flights from Cardiff to Dublin

Are your dates flexible? Find out the best times to travel from Cardiff to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Cardiff to Dublin flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What business facilities does Cardiff Airport offer?

    At Cardiff Airport, many business-friendly facilities help you stay productive while waiting for your flight. These include free wifi throughout the terminal, battery charging stations and postal services. If you wish, you may book a meeting room for either a full or half-day. There are two meeting rooms available, which may be used as boardrooms or theatres. Another option is the 51° Executive Lounge, which requires booking.

  • How do I get from Cardiff city centre to the airport?

    There are many ways to access the airport from the city centre, including travel by car, rail or bus. The airport is around 13 miles from the city, on the M4 exit junction 33. The M4 can be accessed from the A4232, A4050 and A4226. Trains depart hourly from Rhoose Cardiff International Airport railway station every day except Sunday, when they leave roughly every 2 hours. A shuttle bus connects the railway to the airport, and the 905 Airport to Rhoose Station Shuttle Bus connects to the Rhoose train station. The other bus service is the 304 Cardiff-Barry-Cardiff Airport-Llantwit Major, departing from the city centre.

  • How do I access the Dublin city centre with public transport?

    You may access the city centre by bus via one of many bus routes; the Dublin Express is generally the quickest. There's either the 782 Dublin Airport to Custom Quay via Heuston Station or 784 From Dublin Airport to Charlottes Way. The Dublin Express operates from Terminal 1 Zone 1 or Terminal 2 Zone 21. Another option is the Aircoach line 700, which departs from Terminal 1 Zone 2 and Terminal 2 Zone 20 and travels to the Dublin city centre. To reach other parts of Dublin, you may take the Dublin Bus from Dublin Airport Bus Park Zone 15, on lines 16 and 41.

  • What accessibility facilities are available at Dublin Airport?

    Dublin Airport provides passengers with many accessibility amenities. Help Points are located throughout the airport, adapted car park spaces, adapted toilets, induction loops, an assistance dog relief room, changing rooms and privacy rooms. You should contact your airline and the airport ahead of time if you require assistance at Dublin Airport. For those with hidden disabilities, Dublin Airport may provide you with a lanyard or wristband that can be shown to any airport staff member for extra assistance.

  • Which airlines offer extra legroom and free seat selection on Cardiff to Dublin flights?

    Among airlines operating Cardiff to Dublin flights:

    • Ryanair: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Cardiff to Dublin?

    Only Ryanair operates flights between Cardiff and Dublin.

  • Which airports can I use when flying from Cardiff to Dublin?

    Flights from Cardiff to Dublin usually depart from Cardiff Wales (CWL) and arrive at Dublin (DUB).

  • Which airlines include bags at no extra cost on Cardiff to Dublin flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Ryanair: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Cardiff to Dublin?

    Only Economy Class is available on flights from Cardiff to Dublin.

  • How much can I save by taking a layover when flying from Cardiff to Dublin?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $74 round-trip, compared to $299 via a layover through Amsterdam Schiphol (AMS).

  • What is the standard checked-bag allowance on flights from Cardiff to Dublin?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $24–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Cardiff to Dublin?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Ryanair and Jet2. Other aircraft seen on the route include ATR 72-201 / 202 variants.

  • Which airports do connecting flights from Cardiff to Dublin pass through?

    One-stop flights from Cardiff to Dublin most commonly connect through:

    • Amsterdam Schiphol (AMS) - 86% of one-stop connections
    • London Heathrow (LHR) - 10% of one-stop connections
    • Edinburgh Turnhouse (EDI) - 5% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Cardiff to Dublin?

    Yes. Being flexible with your travel dates can save you up to 36% on the Cardiff to Dublin route. Wednesday is the cheapest departure day at $57 round-trip on average, while Friday is the most expensive at $88, a difference of $31. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Cardiff to Dublin spread across the day?

    Night is the busiest departure period on Cardiff to Dublin flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and evening flights for 0%.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are Dublin City Centre, Trinity College and St. Stephen's Green. These are among the most viewed places in Dublin on KAYAK.

  • What are the earliest and latest flights from Cardiff to Dublin?

    These are the earliest and latest flight times available from Cardiff to Dublin:

    • Earliest: departs at 7:30 am and lands at 8:31 am
    • Latest: departs at 11:50 pm and lands at 12:51 am.

    The flight takes about 1h 01m.

  • How expensive are last-minute Cardiff to Dublin flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 39% above the route average of $76. Book 5 weeks before departure for the lowest fares.

  • How long is a flight from Cardiff to Dublin?

    A nonstop flight from Cardiff to Dublin takes 1h 01m, covering 186 miles.

  • Do I need a passport to fly from Cardiff to Dublin?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Cardiff to Dublin looking right now?

    One-way fares from Cardiff to Dublin are currently in line with typical prices for this route. Average one-way fares are about $37.

  • How much time can I save by choosing a different layover airport from Cardiff to Dublin?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 6h 03m, compared with 6h 24m via London Heathrow (LHR) and 6h 25m via Edinburgh Turnhouse (EDI).

  • What car rental options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Budget
    · Sixt
    · Easirent
    · Europcar
    · Thrifty

  • How much should I expect to pay for a Cardiff to Dublin flight?

    Round-trip flights from Cardiff to Dublin range from $49 to $126, with an average of $76 over the past 12 months. Anything below $49 counts as a good deal.

Your guide to booking Cardiff to Dublin flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $57 - about $31 less than Friday (35% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 53% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Cardiff to Dublin trip for June. Fares historically average $55 round-trip in that month - typically $55 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.
    - Clayton Hotel Dublin Airport
    - Maldron Hotel Dublin Airport
    - Metro Hotel Dublin Airport
  • At Dublin Airport (DUB), you can reserve and collect your duty-free items online, ready to collect when you arrive.
  • Want to eat at Cardiff Airport (CWL) before your flight? Grab a coffee and a bite at Costa Coffee, or watch the planes arrive at The Beer House, which has an all-day menu with kids' meals.
  • Travelling with young children? Cardiff Airport provides baby-changing facilities fitted with changing tables. They're located in the departure lounge of the first floor and the arrivals hall.
  • Skip the queue and pre-order your currency online. You can collect your money from the Bureau de Change in Terminals 1 and 2 after arriving in Dublin.
  • At Cardiff Airport, there are many quiet, comfortable chill-out areas where you can relax and charge your devices for free while waiting for your flight.

Prefer to fly direct from Cardiff to Dublin?

 
Find which airlines fly direct from Cardiff Wales Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Cardiff Wales to Dublin

Monday

Ryanair

Ryanair

Tuesday

Ryanair

Ryanair

Wednesday

Ryanair

Ryanair

Thursday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

Direct returns

Dublin to Cardiff Wales

Monday

Ryanair

Ryanair

Tuesday

Ryanair

Ryanair

Wednesday

Ryanair

Ryanair

Thursday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

More options for your flight from Cardiff to Dublin

Complete your trip to Dublin with a hotel stay or car rental