Aer Lingus flights from Cardiff to Dublin (CWL - DUB)

CWL — DUB
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Cardiff to Dublin on Aer Lingus typically fly into Dublin and depart from Cardiff Wales. Select your dates above for pricing.

Aer Lingus flights from Cardiff to Dublin in 2025

Find detailed information about Aer Lingus flights from Cardiff to Dublin. Explore the options provided by Aer Lingus to plan your journey from Cardiff to Dublin. Data last updated 16 November 2025.

Return from

£319

Popular in

July

Cheapest in

September

Average price (all airlines)

£64
Aer Lingus
  • Aer Lingus
  • 5/3-7/3
  • Nonstop
  • 2h 20m total
  • Cardiff to Dublin
Highest demand for flights from Cardiff Wales to Dublin; 6% potential price increase.
Best time to find cheap flights from Cardiff Wales to Dublin; 2% potential price drop.
Average price for all Cardiff Wales to Dublin flights (one-way and round-trip).
  • How do most travelers feel about Aer Lingus?

    Cheapflights users who travel with Aer Lingus (a popular airline from Cardiff to Dublin) have rated them a 7.2/10. This rating comes from 1,371 reviews. If you are looking to travel CWL-DUB, search your dates above.

Find Aer Lingus flight deals from Cardiff to Dublin

Enter your travel dates to find the best prices.

Cheapest Aer Lingus flights from Cardiff to Dublin
Explore the most affordable Aer Lingus flight options available from Cardiff to Dublin. Find the lowest fares with prices last updated on 16 November 2025.

Wed 10/1212:00CWL - DUB
2 stops21h 05mAer Lingus
Sat 13/1214:10DUB - CWL
2 stops21h 20mAer Lingus
Deal found 15/11£428
Fri 12/1208:35CWL - DUB
2 stops9h 35mAer Lingus
Sat 13/1214:10DUB - CWL
2 stops21h 20mAer Lingus
Deal found 14/11£489

Travel insights for Aer Lingus flights from Cardiff to Dublin

Get recent, data-driven insights about Aer Lingus flights from Cardiff to Dublin including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Cardiff to Dublin with Aer Lingus?

Currently, the most affordable month to book a Aer Lingus flight from Cardiff to Dublin in May, with an average price of £31. Conversely, traveling with Aer Lingus from Cardiff to Dublin in November will be the most expensive, with an average cost of £68. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Cardiff to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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.

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Fly from Cardiff to Dublin on another airline

Consider alternative airlines that service the Dublin area. Flight routes are based on user searches made on Cheapflights and were last updated on 16 November 2025.

See what others are saying about Aer Lingus

Read reviews and see what other travellers are saying about their experiences with Aer Lingus. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Aer Lingus for your next flight. Reviews last updated 16 November 2025.
Aer Lingus
7.2
Good
1,370 reviews
Overview

Food

6.6

Comfort

7.1

Crew

8.0

Entertainment

6.9

Boarding

7.4

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