Aer Lingus Flight 387 Deals & Information (2026/2027)

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Aer Lingus Flight 387 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $112 and $70 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 2 - Fri, Oct 9
LHR
Heathrow
SNN
Shannon
$112 Roundtrip, found 5 days ago
$112
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Oct 2 from Heathrow to Shannon, returning Fri, Oct 9, priced at $112 found 5 days ago
Wed, Sep 2 - Fri, Sep 4
LHR
Heathrow
SNN
Shannon
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, Sep 2 from Heathrow to Shannon, returning Fri, Sep 4, priced at $139 found 4 days ago
Fri, Oct 2 - Wed, Oct 7
LHR
Heathrow
SNN
Shannon
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Oct 2 from Heathrow to Shannon, returning Wed, Oct 7, priced at $139 found 1 day ago
Thu, Oct 1 - Wed, Oct 7
LHR
Heathrow
SNN
Shannon
$142 Roundtrip, found 12 hours ago
$142
Roundtrip
found 12 hours ago
Select Aer Lingus flight, departing Thu, Oct 1 from Heathrow to Shannon, returning Wed, Oct 7, priced at $142 found 12 hours ago
Fri, Oct 2 - Fri, Oct 9
LHR
Heathrow
SNN
Shannon
$143 Roundtrip, found 5 days ago
$143
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Oct 2 from Heathrow to Shannon, returning Fri, Oct 9, priced at $143 found 5 days ago
Fri, Nov 6 - Tue, Nov 24
LHR
Heathrow
SNN
Shannon
$146 Roundtrip, found 6 days ago
$146
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Fri, Nov 6 from Heathrow to Shannon, returning Tue, Nov 24, priced at $146 found 6 days ago
Fri, Oct 2 - Wed, Oct 7
LHR
Heathrow
SNN
Shannon
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Oct 2 from Heathrow to Shannon, returning Wed, Oct 7, priced at $147 found 1 day ago
Fri, Oct 2 - Fri, Oct 9
LHR
Heathrow
SNN
Shannon
$150 Roundtrip, found 5 days ago
$150
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Oct 2 from Heathrow to Shannon, returning Fri, Oct 9, priced at $150 found 5 days ago
Fri, Oct 2 - Wed, Oct 7
LHR
Heathrow
SNN
Shannon
$155 Roundtrip, found 1 day ago
$155
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Oct 2 from Heathrow to Shannon, returning Wed, Oct 7, priced at $155 found 1 day ago
Thu, Oct 1 - Wed, Oct 7
LHR
Heathrow
SNN
Shannon
$157 Roundtrip, found 12 hours ago
$157
Roundtrip
found 12 hours ago
Select Aer Lingus flight, departing Thu, Oct 1 from Heathrow to Shannon, returning Wed, Oct 7, priced at $157 found 12 hours ago