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

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Aer Lingus Flight 403 Route Deals From $55

The cheapest prices found with in the last 7 days for return flights were $134 and $55 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 24 - Tue, Apr 28
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$134 Roundtrip, found 1 day ago
$134
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Apr 24 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Tue, Apr 28, priced at $134 found 1 day ago
Thu, Feb 19 - Sun, Feb 22
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$138 Roundtrip, found 5 days ago
$138
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Thu, Feb 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Feb 22, priced at $138 found 5 days ago
Fri, Apr 24 - Wed, Apr 29
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Apr 24 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Apr 29, priced at $141 found 1 day ago
Thu, Mar 26 - Mon, Apr 13
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Mar 26 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Apr 13, priced at $142 found 1 day ago
Wed, Feb 18 - Mon, Feb 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$145 Roundtrip, found 3 days ago
$145
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Wed, Feb 18 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Feb 23, priced at $145 found 3 days ago
Thu, Mar 26 - Mon, Apr 13
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Mar 26 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Apr 13, priced at $150 found 1 day ago
Fri, Apr 24 - Tue, Apr 28
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Apr 24 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Tue, Apr 28, priced at $152 found 1 day ago
Sat, Feb 14 - Sat, Feb 21
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$155 Roundtrip, found 9 hours ago
$155
Roundtrip
found 9 hours ago
Select Aer Lingus flight, departing Sat, Feb 14 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sat, Feb 21, priced at $155 found 9 hours ago
Wed, Jan 28 - Sun, Feb 1
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$155 Roundtrip, found 5 days ago
$155
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Wed, Jan 28 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Feb 1, priced at $155 found 5 days ago
Tue, Feb 17 - Wed, Feb 18
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$166 Roundtrip, found 5 days ago
$166
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Tue, Feb 17 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Feb 18, priced at $166 found 5 days 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.