Southampton to Boston Flights on Aer Lingus

1 Passenger(s)

Promo Code

From:

To:

Depart Date

Return Date

Book Southampton to Boston 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: 21 hrs ago

Roundtrip*

Economy

Manchester (MAN)to

New York (JFK)

9 Feb 2026 - 17 Feb 2026

From

£415.88

Seen: 9 hrs ago

Roundtrip*

Economy

London (LHR)to

Dublin (DUB)

1 Mar 2026 - 3 Mar 2026

From

£59.27

Seen: 21 hrs ago

Each way

Economy

Birmingham (BHX)to

Dublin (DUB)

26 Mar 2026 - 28 Mar 2026

From

£26.04

Seen: 30 minutes ago

Each way

Economy

Manchester (MAN)to

Dublin (DUB)

12 Feb 2026 - 16 Feb 2026

From

£19.91

Seen: 11 hrs ago

Each way

Economy

Birmingham (BHX)to

Belfast (BHD)

Depart: 20 Feb 2026

From

£39.99

Seen: 8 hrs ago

One way

Economy

Belfast (BHD)to

Birmingham (BHX)

Depart: 24 Feb 2026

From

£39.99

Seen: 21 hrs ago

One way

Economy

London (LHR)to

Cork (ORK)

21 Mar 2026 - 24 Mar 2026

From

£48.70

Seen: 21 hrs ago

Each way

Economy

Edinburgh (EDI)to

Dublin (DUB)

7 Feb 2026 - 10 Feb 2026

From

£35.40

Seen: 7 hrs ago

Each way

Economy

Manchester (MAN)to

Belfast (BHD)

25 Feb 2026 - 25 Feb 2026

From

£39.99

Seen: 21 hrs ago

Each way

Economy

Southampton (SOU)to

Dublin (DUB)

24 Feb 2026 - 28 Feb 2026

From

£56.55

Seen: 8 hrs ago

Each way

Economy

London (LHR)to

Shannon (SNN)

26 Feb 2026 - 3 Mar 2026

From

£48.38

Seen: 50 minutes ago

Each way

Economy

Bristol (BRS)to

Dublin (DUB)

20 Feb 2026 - 22 Feb 2026

From

£34.99

Seen: 30 minutes ago

Each way

Economy

Glasgow (GLA)to

Dublin (DUB)

16 Feb 2026 - 23 Feb 2026

From

£36.00

Seen: 57 minutes ago

Each way

Economy

Leeds (LBA)to

Belfast (BHD)

Depart: 4 Mar 2026

From

£51.28

Seen: 21 hrs ago

One way

Economy

Edinburgh (EDI)to

Belfast (BHD)

Depart: 3 Feb 2026

From

£39.99

Seen: 5 hrs ago

One way

Economy

Leeds (LBA)to

Dublin (DUB)

11 Feb 2026 - 13 Feb 2026

From

£35.02

Seen: 1 hour ago

Each way

Economy

Belfast (BHD)to

Southampton (SOU)

30 Mar 2026 - 30 Mar 2026

From

£47.08

Seen: 59 minutes ago

Each way

Economy

Belfast (BHD)to

Manchester (MAN)

Depart: 9 Feb 2026

From

£39.99

Seen: 5 hrs ago

One way

Economy

Bristol (BRS)to

Cork (ORK)

10 Feb 2026 - 11 Feb 2026

From

£45.41

Seen: 11 hrs ago

Each way

Economy