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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Aer Lingus Flight 387 Route Deals From $66

The cheapest prices found with in the last 7 days for return flights were $135 and $66 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 2 - Sun, Sep 7
LHR
Heathrow
SNN
Shannon
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Tue, Sep 2 from Heathrow to Shannon, returning Sun, Sep 7, priced at $135 found 4 days ago
Fri, Sep 5 - Sun, Sep 7
LHR
Heathrow
SNN
Shannon
$149 Roundtrip, found 5 hours ago
$149
Roundtrip
found 5 hours ago
Select Aer Lingus flight, departing Fri, Sep 5 from Heathrow to Shannon, returning Sun, Sep 7, priced at $149 found 5 hours ago
Thu, Sep 11 - Wed, Sep 17
LHR
Heathrow
SNN
Shannon
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Sep 11 from Heathrow to Shannon, returning Wed, Sep 17, priced at $152 found 2 days ago
Tue, Jul 22 - Thu, Jul 31
LHR
Heathrow
SNN
Shannon
$153 Roundtrip, found 4 days ago
$153
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Tue, Jul 22 from Heathrow to Shannon, returning Thu, Jul 31, priced at $153 found 4 days ago
Mon, Sep 22 - Sat, Sep 27
LHR
Heathrow
SNN
Shannon
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 22 from Heathrow to Shannon, returning Sat, Sep 27, priced at $159 found 2 days ago
Thu, Sep 25 - Fri, Sep 26
LHR
Heathrow
SNN
Shannon
$164 Roundtrip, found 1 hour ago
$164
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Thu, Sep 25 from Heathrow to Shannon, returning Fri, Sep 26, priced at $164 found 1 hour ago
Sun, Aug 17 - Wed, Aug 20
LHR
Heathrow
SNN
Shannon
$165 Roundtrip, found 3 days ago
$165
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Sun, Aug 17 from Heathrow to Shannon, returning Wed, Aug 20, priced at $165 found 3 days ago
Thu, Sep 25 - Sun, Sep 28
LHR
Heathrow
SNN
Shannon
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Sep 25 from Heathrow to Shannon, returning Sun, Sep 28, priced at $167 found 3 days ago
Thu, Sep 4 - Sun, Sep 7
LHR
Heathrow
SNN
Shannon
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Sep 4 from Heathrow to Shannon, returning Sun, Sep 7, priced at $167 found 1 day ago
Thu, Sep 25 - Fri, Sep 26
LHR
Heathrow
SNN
Shannon
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Thu, Sep 25 from Heathrow to Shannon, returning Fri, Sep 26, priced at $170 found 1 hour ago