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

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Aer Lingus Flight 387 Route Deals From $63

The cheapest prices found with in the last 7 days for return flights were $115 and $63 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 1 - Mon, Oct 5
LHR
Heathrow
SNN
Shannon
$115 Roundtrip, found 3 hours ago
$115
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Thu, Oct 1 from Heathrow to Shannon, returning Mon, Oct 5, priced at $115 found 3 hours ago
Fri, Nov 6 - Mon, Nov 16
LHR
Heathrow
SNN
Shannon
$115 Roundtrip, found 2 days ago
$115
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Fri, Nov 6 from Heathrow to Shannon, returning Mon, Nov 16, priced at $115 found 2 days ago
Sat, Oct 10 - Tue, Oct 13
LHR
Heathrow
SNN
Shannon
$117 Roundtrip, found 15 hours ago
$117
Roundtrip
found 15 hours ago
Select Aer Lingus flight, departing Sat, Oct 10 from Heathrow to Shannon, returning Tue, Oct 13, priced at $117 found 15 hours ago
Thu, Nov 5 - Sun, Nov 8
LHR
Heathrow
SNN
Shannon
$122 Roundtrip, found 21 hours ago
$122
Roundtrip
found 21 hours ago
Select Aer Lingus flight, departing Thu, Nov 5 from Heathrow to Shannon, returning Sun, Nov 8, priced at $122 found 21 hours ago
Thu, Oct 1 - Mon, Oct 5
LHR
Heathrow
SNN
Shannon
$126 Roundtrip, found 3 hours ago
$126
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Thu, Oct 1 from Heathrow to Shannon, returning Mon, Oct 5, priced at $126 found 3 hours ago
Sat, Oct 10 - Tue, Oct 13
LHR
Heathrow
SNN
Shannon
$131 Roundtrip, found 15 hours ago
$131
Roundtrip
found 15 hours ago
Select Aer Lingus flight, departing Sat, Oct 10 from Heathrow to Shannon, returning Tue, Oct 13, priced at $131 found 15 hours ago
Thu, Nov 5 - Sun, Nov 8
LHR
Heathrow
SNN
Shannon
$131 Roundtrip, found 21 hours ago
$131
Roundtrip
found 21 hours ago
Select Aer Lingus flight, departing Thu, Nov 5 from Heathrow to Shannon, returning Sun, Nov 8, priced at $131 found 21 hours ago
Sat, Oct 10 - Tue, Oct 13
LHR
Heathrow
SNN
Shannon
$135 Roundtrip, found 15 hours ago
$135
Roundtrip
found 15 hours ago
Select Aer Lingus flight, departing Sat, Oct 10 from Heathrow to Shannon, returning Tue, Oct 13, priced at $135 found 15 hours ago
Sun, Sep 20 - Thu, Sep 24
LHR
Heathrow
SNN
Shannon
$136 Roundtrip, found 6 days ago
$136
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Sun, Sep 20 from Heathrow to Shannon, returning Thu, Sep 24, priced at $136 found 6 days ago
Thu, Oct 1 - Mon, Oct 5
LHR
Heathrow
SNN
Shannon
$143 Roundtrip, found 3 hours ago
$143
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Thu, Oct 1 from Heathrow to Shannon, returning Mon, Oct 5, priced at $143 found 3 hours ago