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 $103 and $55 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 19 - Mon, Feb 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$103 Roundtrip, found 7 hours ago
$103
Roundtrip
found 7 hours ago
Select Aer Lingus flight, departing Thu, Feb 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Feb 23, priced at $103 found 7 hours ago
Thu, Feb 19 - Mon, Feb 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$117 Roundtrip, found 7 hours ago
$117
Roundtrip
found 7 hours ago
Select Aer Lingus flight, departing Thu, Feb 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Feb 23, priced at $117 found 7 hours ago
Wed, Feb 18 - Sun, Feb 22
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$138 Roundtrip, found 4 hours ago
$138
Roundtrip
found 4 hours ago
Select Aer Lingus flight, departing Wed, Feb 18 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Feb 22, priced at $138 found 4 hours ago
Fri, Feb 6 - Sun, Feb 8
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Feb 6 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Feb 8, priced at $139 found 5 days ago
Thu, Apr 16 - Mon, Apr 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Apr 16 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Apr 20, priced at $142 found 2 days ago
Thu, Jan 22 - Wed, Jan 28
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$157 Roundtrip, found 6 hours ago
$157
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Thu, Jan 22 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Jan 28, priced at $157 found 6 hours ago
Thu, Apr 16 - Mon, Apr 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Apr 16 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Apr 20, priced at $160 found 2 days ago
Thu, Apr 16 - Mon, Apr 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Apr 16 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Apr 20, priced at $175 found 2 days ago
Fri, Mar 6 - Mon, Mar 9
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Mar 6 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Mar 9, priced at $177 found 1 day ago
Thu, Feb 19 - Mon, Feb 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$182 Roundtrip, found 7 hours ago
$182
Roundtrip
found 7 hours ago
Select Aer Lingus flight, departing Thu, Feb 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Feb 23, priced at $182 found 7 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.