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

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Aer Lingus Flight 387 Route Deals From $66

The cheapest prices found with in the last 7 days for return flights were $133 and $66 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 29 - Tue, May 5
LHR
Heathrow
SNN
Shannon
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Apr 29 from Heathrow to Shannon, returning Tue, May 5, priced at $133 found 1 day ago
Wed, May 6 - Wed, May 13
LHR
Heathrow
SNN
Shannon
$136 Roundtrip, found 4 days ago
$136
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, May 6 from Heathrow to Shannon, returning Wed, May 13, priced at $136 found 4 days ago
Wed, May 6 - Sat, May 9
LHR
Heathrow
SNN
Shannon
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, May 6 from Heathrow to Shannon, returning Sat, May 9, priced at $154 found 4 days ago
Fri, Apr 17 - Tue, Apr 28
LHR
Heathrow
SNN
Shannon
$154 Roundtrip, found 13 hours ago
$154
Roundtrip
found 13 hours ago
Select Aer Lingus flight, departing Fri, Apr 17 from Heathrow to Shannon, returning Tue, Apr 28, priced at $154 found 13 hours ago
Fri, Apr 17 - Tue, Apr 21
LHR
Heathrow
SNN
Shannon
$158 Roundtrip, found 2 days ago
$158
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Fri, Apr 17 from Heathrow to Shannon, returning Tue, Apr 21, priced at $158 found 2 days ago
Wed, Apr 29 - Tue, May 5
LHR
Heathrow
SNN
Shannon
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Apr 29 from Heathrow to Shannon, returning Tue, May 5, priced at $161 found 1 day ago
Wed, May 6 - Wed, May 13
LHR
Heathrow
SNN
Shannon
$162 Roundtrip, found 4 days ago
$162
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, May 6 from Heathrow to Shannon, returning Wed, May 13, priced at $162 found 4 days ago
Wed, Apr 29 - Tue, May 5
LHR
Heathrow
SNN
Shannon
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Apr 29 from Heathrow to Shannon, returning Tue, May 5, priced at $168 found 1 day ago
Wed, May 20 - Tue, May 26
LHR
Heathrow
SNN
Shannon
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, May 20 from Heathrow to Shannon, returning Tue, May 26, priced at $169 found 4 days ago
Mon, May 18 - Mon, May 25
LHR
Heathrow
SNN
Shannon
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, May 18 from Heathrow to Shannon, returning Mon, May 25, priced at $169 found 1 day ago