Aer Lingus Flight 403 Deals & Information (2026/2027)

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Aer Lingus Flight 403 Route Deals From $107

The cheapest prices found with in the last 7 days for return flights were $221 and $107 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 20 - Wed, May 27
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Wed, May 20 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, May 27, priced at $221 found 2 days ago
Thu, Dec 3 - Sun, Dec 6
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$253 Roundtrip, found 9 hours ago
$253
Roundtrip
found 9 hours ago
Select Aer Lingus flight, departing Thu, Dec 3 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Dec 6, priced at $253 found 9 hours ago
Fri, Jun 5 - Sun, Jun 7
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$345 Roundtrip, found 4 hours ago
$345
Roundtrip
found 4 hours ago
Select Aer Lingus flight, departing Fri, Jun 5 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Jun 7, priced at $345 found 4 hours ago

Frequently asked questions

What route does flight number EI403 take?
You'll arrive into DUB from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) if you're traveling on flight number EI403. You'll be in the air for 3 hours and 20 minutes on this trip. What's more, the service conveniently travels direct.
What terminal does EI403 fly out of?
Flight number EI403 runs between Rome Airport (FCO-Fiumicino - Leonardo da Vinci Intl.) and DUB, and travelers taking this flight normally take off from Terminal 3.
What kind of plane is on flight number EI403?
The Airbus A320 is the aircraft type that's generally used for flight number EI403. This flight typically takes off from Fiumicino Airport and lands at Dublin Airport (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 EI403 flight with Travelocity, please visit our Customer Service Portal.