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 $115 and $70 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 6 - Mon, Nov 16
LHR
Heathrow
SNN
Shannon
$115 Roundtrip, found 1 day ago
$115
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Nov 6 from Heathrow to Shannon, returning Mon, Nov 16, priced at $115 found 1 day ago
Thu, Nov 5 - Wed, Nov 11
LHR
Heathrow
SNN
Shannon
$117 Roundtrip, found 7 hours ago
$117
Roundtrip
found 7 hours ago
Select Aer Lingus flight, departing Thu, Nov 5 from Heathrow to Shannon, returning Wed, Nov 11, priced at $117 found 7 hours ago
Thu, Nov 5 - Sun, Nov 8
LHR
Heathrow
SNN
Shannon
$131 Roundtrip, found 4 hours ago
$131
Roundtrip
found 4 hours ago
Select Aer Lingus flight, departing Thu, Nov 5 from Heathrow to Shannon, returning Sun, Nov 8, priced at $131 found 4 hours ago
Sun, Sep 20 - Thu, Sep 24
LHR
Heathrow
SNN
Shannon
$136 Roundtrip, found 5 days ago
$136
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sun, Sep 20 from Heathrow to Shannon, returning Thu, Sep 24, priced at $136 found 5 days ago
Sun, Dec 6 - Mon, Dec 7
LHR
Heathrow
SNN
Shannon
$144 Roundtrip, found 4 days ago
$144
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sun, Dec 6 from Heathrow to Shannon, returning Mon, Dec 7, priced at $144 found 4 days ago
Mon, Jan 18 - Thu, Jan 28
LHR
Heathrow
SNN
Shannon
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Jan 18 from Heathrow to Shannon, returning Thu, Jan 28, priced at $144 found 1 day ago
Sat, Sep 26 - Mon, Sep 28
LHR
Heathrow
SNN
Shannon
$148 Roundtrip, found 4 days ago
$148
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sat, Sep 26 from Heathrow to Shannon, returning Mon, Sep 28, priced at $148 found 4 days ago
Thu, Oct 22 - Thu, Oct 29
LHR
Heathrow
SNN
Shannon
$150 Roundtrip, found 3 days ago
$150
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Oct 22 from Heathrow to Shannon, returning Thu, Oct 29, priced at $150 found 3 days ago
Sun, Dec 6 - Mon, Dec 7
LHR
Heathrow
SNN
Shannon
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sun, Dec 6 from Heathrow to Shannon, returning Mon, Dec 7, priced at $154 found 4 days ago
Fri, Nov 6 - Mon, Nov 16
LHR
Heathrow
SNN
Shannon
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Nov 6 from Heathrow to Shannon, returning Mon, Nov 16, priced at $158 found 1 day ago