Cheap Aer Lingus flights

LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Aer Lingus information

Discover detailed information about Aer Lingus flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 7 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£44

Most Popular Route

DUB to BCN

Shortest flight

0h 55m

Longest Flight

3h 00m
Flying from Birmingham to Dublin
Flying from Dublin to Barcelona-El Prat
Flying from Belfast City to Edinburgh Turnhouse
Flying from Faro to Dublin

Find Aer Lingus flight deals

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Cheapest Aer Lingus flights
Explore the most affordable Aer Lingus flight options available. Find the lowest fares based on data from user searches, with prices last updated on 7 November 2025.

Sat 3/119:25BOS - LHR
1 stop21h 00mAer Lingus
Tue 13/110:00LHR - BOS
1 stop11h 50mAer Lingus
Deal found £380
Sun 15/221:15BOS - LHR
1 stop9h 10mAer Lingus
Fri 20/208:50LHR - BOS
1 stop10h 05mAer Lingus
Deal found £380
Sat 6/1217:10BOS - LBA
1 stop9h 50mAer Lingus
Sun 14/1208:45LBA - BOS
1 stop15h 10mAer Lingus
Deal found £386

Aer Lingus Reviews

Read reviews and feedback from other travellers about their experiences with Aer Lingus sourced from user searches. These reviews were last updated on 7 November 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Aer Lingus
7.2
Good
1,365 reviews
Overview

Comfort

7.1

Crew

8.0

Boarding

7.4

Food

6.6

Entertainment

6.9
Cons -
  • Food & Beverage service almost nonexistent. (in 221 reviews)

Frequently asked questions about Aer Lingus

  • What are the most popular Aer Lingus airports?

    The most popular airports for Aer Lingus are Dublin, London Heathrow, and Malaga according to our data. Flights to or from any of these airports should be available via Aer Lingus year-round.

  • What is Aer Lingus’s cheapest domestic flight?

    The cheapest domestic Aer Lingus flight is flying Donegal to Dublin, which is £69. This round-trip flight has 0 stops. For a one-way domestic Aer Lingus flight, the cheapest route is Belfast City to Edinburgh Turnhouse (0 stops) for £39.

  • What is Aer Lingus’s cheapest international flight?

    The least expensive round-trip international Aer Lingus flight is: -Birmingham to Dublin, -0 stops, -£44 per ticket Aer Lingus has international one-way flights available, but the cheapest is a flight from Dublin to Manchester for just £18. This flight has 0 stops.

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