Aer Lingus Flight 387 Deals & Information (2025/2026)

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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 $159 and $66 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 17 - Tue, Aug 19
LHR
Heathrow
SNN
Shannon
$159 Roundtrip, found 4 days ago
$159
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sun, Aug 17 from Heathrow to Shannon, returning Tue, Aug 19, priced at $159 found 4 days ago
Sun, Sep 28 - Thu, Oct 2
LHR
Heathrow
SNN
Shannon
$164 Roundtrip, found 5 days ago
$164
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sun, Sep 28 from Heathrow to Shannon, returning Thu, Oct 2, priced at $164 found 5 days ago
Tue, Jul 1 - Thu, Jul 3
LHR
Heathrow
SNN
Shannon
$167 Roundtrip, found 5 days ago
$167
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Tue, Jul 1 from Heathrow to Shannon, returning Thu, Jul 3, priced at $167 found 5 days ago
Tue, Sep 23 - Fri, Sep 26
LHR
Heathrow
SNN
Shannon
$183 Roundtrip, found 3 days ago
$183
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Tue, Sep 23 from Heathrow to Shannon, returning Fri, Sep 26, priced at $183 found 3 days ago
Thu, Jul 17 - Wed, Jul 23
LHR
Heathrow
SNN
Shannon
$183 Roundtrip, found 3 hours ago
$183
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Thu, Jul 17 from Heathrow to Shannon, returning Wed, Jul 23, priced at $183 found 3 hours ago
Mon, Sep 29 - Sat, Oct 4
LHR
Heathrow
SNN
Shannon
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Sep 29 from Heathrow to Shannon, returning Sat, Oct 4, priced at $190 found 3 days ago
Thu, Jul 17 - Wed, Jul 23
LHR
Heathrow
SNN
Shannon
$190 Roundtrip, found 3 hours ago
$190
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Thu, Jul 17 from Heathrow to Shannon, returning Wed, Jul 23, priced at $190 found 3 hours ago
Thu, Jul 10 - Wed, Jul 16
LHR
Heathrow
SNN
Shannon
$191 Roundtrip, found 1 day ago
$191
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Jul 10 from Heathrow to Shannon, returning Wed, Jul 16, priced at $191 found 1 day ago
Thu, Jul 3 - Sun, Jul 6
LHR
Heathrow
SNN
Shannon
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Jul 3 from Heathrow to Shannon, returning Sun, Jul 6, priced at $196 found 2 days ago
Fri, Jul 4 - Tue, Jul 8
LHR
Heathrow
SNN
Shannon
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Fri, Jul 4 from Heathrow to Shannon, returning Tue, Jul 8, priced at $198 found 3 days ago