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Cheap Aer Lingus flights

LHR
20 Mar — 27 Mar1
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 18 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£43

Most Popular Route

DUB to FRA

Shortest flight

0h 50m

Longest Flight

3h 35m
Flying from Manchester to Dublin
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Flying from Dublin to Frankfurt am Main
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Flying from Glasgow Intl to Belfast City
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Flying from Dubrovnik to Dublin
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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 18 February 2026.

Mon 16/321:05
SEA
-
LHR
1 stop12h 45m
Aer Lingus
Mon 23/312:10
LHR
-
SEA
1 stop14h 10m
Aer Lingus
Deal found £449
Mon 16/321:05
SEA
-
LHR
1 stop11h 30m
Aer Lingus
Wed 25/312:10
LHR
-
SEA
1 stop14h 10m
Aer Lingus
Deal found £452
Wed 11/321:05
SEA
-
MAN
1 stop12h 35m
Aer Lingus
Mon 23/308:05
MAN
-
SEA
1 stop18h 15m
Aer Lingus
Deal found £490

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 18 February 2026 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
1,455 reviews
Check prices
Overview

Entertainment

7.0

Comfort

7.1

Crew

8.1

Boarding

7.4

Food

6.6

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 Glasgow Intl to Belfast City, which is £60. This round-trip flight has 0 stops. For a one-way domestic Aer Lingus flight, the cheapest route is Glasgow Intl to Belfast City (0 stops) for £27.

  • What is Aer Lingus’s cheapest international flight?

    The least expensive round-trip international Aer Lingus flight is: -Manchester to Dublin, -0 stops, -£43 per ticket Aer Lingus has international one-way flights available, but the cheapest is a flight from London Heathrow to Dublin for just £18. This flight has 0 stops.

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