Aer Lingus Flight 155 Deals & Information (2025/2026)

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Aer Lingus Flight 155 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $149 and $81 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 29 - Mon, Sep 8
LHR
Heathrow
DUB
Dublin
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Aug 29 from Heathrow to Dublin, returning Mon, Sep 8, priced at $149 found 4 days ago

Frequently asked questions

What route does flight number EI155 take?
EI155 operates directly from Heathrow Airport to Dublin Airport. During this trip, expect to be in the air for 1 hour and 30 minutes. Consider booking ahead to get your favorite seat.
How often is EI155 on time?
If you’re heading off with Aer Lingus flight number EI155 between Heathrow Airport and Dublin Airport (DUB), it’s assuring to know that 95% of these services touch down on time. On the odd occasion that there’s a delay, you can expect an average wait of roughly 19 minutes. This flight has a 4.25-star rating.
What terminal does EI155 fly out of?
You’ll likely be jetting out of Terminal 2 if you’re booked on EI155 direct from Heathrow Airport to DUB.
What kind of plane is on flight number EI155?
Chances are you’ll be boarding an Airbus A321neo if you’re on flight number EI155. This flight usually heads off from LHR and lands at DUB.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your EI155 flight with Travelocity, please visit our Customer Service Portal.