London to Belfast Flights on Aer Lingus

1 Passenger(s)

Promo Code

From:

To:

Depart Date

Return Date

Book London to Belfast flight deals*

From

Budget

There are no fares that match your filter criteria. Please adjust your filters.

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

Explore other routes

Explore Aer Lingus's Top-Pick Destinations

QA FE Test Travel Dates Filter Feature Prepro

From

Dates

Budget

Manchester (MAN)to

Orlando (MCO)

24 Feb 2026 - 5 Mar 2026

From

£474.19

Seen: 13 hrs ago

Roundtrip*

Economy

Birmingham (BHX)to

Dublin (DUB)

12 Feb 2026 - 20 Feb 2026

From

£25.49

Seen: 23 hrs ago

Each way

Economy

Manchester (MAN)to

New York (JFK)

9 Feb 2026 - 25 Feb 2026

From

£415.88

Seen: 35 minutes ago

Roundtrip*

Economy

London (LHR)to

Dublin (DUB)

28 Feb 2026 - 7 Mar 2026

From

£58.73

Seen: 18 hrs ago

Each way

Economy

Manchester (MAN)to

Dublin (DUB)

16 Feb 2026 - 19 Feb 2026

From

£19.36

Seen: 21 hrs ago

Each way

Economy

Birmingham (BHX)to

Belfast (BHD)

Depart: 20 Feb 2026

From

£39.99

Seen: 19 minutes ago

One way

Economy

Belfast (BHD)to

Birmingham (BHX)

Depart: 24 Feb 2026

From

£39.99

Seen: 13 hrs ago

One way

Economy

London (LHR)to

Cork (ORK)

21 Mar 2026 - 24 Mar 2026

From

£48.70

Seen: 13 hrs ago

Each way

Economy

London (LHR)to

Shannon (SNN)

5 Mar 2026 - 7 Mar 2026

From

£48.38

Seen: 14 hrs ago

Each way

Economy

Edinburgh (EDI)to

Dublin (DUB)

12 Feb 2026 - 12 Feb 2026

From

£35.40

Seen: 21 minutes ago

Each way

Economy

Manchester (MAN)to

Belfast (BHD)

12 Feb 2026 - 13 Feb 2026

From

£39.99

Seen: 22 hrs ago

Each way

Economy

Southampton (SOU)to

Dublin (DUB)

24 Feb 2026 - 28 Feb 2026

From

£56.55

Seen: 27 minutes ago

Each way

Economy

Glasgow (GLA)to

Dublin (DUB)

26 Feb 2026 - 27 Feb 2026

From

£35.45

Seen: 20 hrs ago

Each way

Economy

Bristol (BRS)to

Dublin (DUB)

22 Feb 2026 - 23 Feb 2026

From

£34.99

Seen: 13 hrs ago

Each way

Economy

Leeds (LBA)to

Belfast (BHD)

Depart: 4 Mar 2026

From

£51.28

Seen: 13 hrs ago

One way

Economy

Edinburgh (EDI)to

Belfast (BHD)

Depart: 18 Feb 2026

From

£39.99

Seen: 2 minutes ago

One way

Economy

Belfast (BHD)to

Edinburgh (EDI)

Depart: 28 Feb 2026

From

£39.99

Seen: 15 hrs ago

One way

Economy

Belfast (BHD)to

Southampton (SOU)

14 Feb 2026 - 2 Mar 2026

From

£47.08

Seen: 13 hrs ago

Each way

Economy

Leeds (LBA)to

Dublin (DUB)

6 Feb 2026 - 15 Feb 2026

From

£34.47

Seen: 23 hrs ago

Each way

Economy

Belfast (BHD)to

Manchester (MAN)

Depart: 26 Feb 2026

From

£39.99

Seen: 3 minutes ago

One way

Economy