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 $136 and $55 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 20 - Sun, Mar 22
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$136 Roundtrip, found 5 days ago
$136
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Mar 20 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Mar 22, priced at $136 found 5 days ago
Fri, Feb 6 - Sun, Feb 8
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$139 Roundtrip, found 3 days ago
$139
Roundtrip
found 3 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 3 days ago
Thu, Apr 16 - Mon, Apr 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$142 Roundtrip, found 5 hours ago
$142
Roundtrip
found 5 hours 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 5 hours ago
Thu, Apr 16 - Tue, Apr 28
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$154 Roundtrip, found 5 days ago
$154
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Thu, Apr 16 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Tue, Apr 28, priced at $154 found 5 days ago
Thu, Apr 16 - Mon, Apr 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$160 Roundtrip, found 5 hours ago
$160
Roundtrip
found 5 hours 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 5 hours ago
Thu, Jan 22 - Wed, Jan 28
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$167 Roundtrip, found 5 hours ago
$167
Roundtrip
found 5 hours ago
Select Aer Lingus flight, departing Thu, Jan 22 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Jan 28, priced at $167 found 5 hours ago
Thu, Apr 16 - Mon, Apr 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$175 Roundtrip, found 5 hours ago
$175
Roundtrip
found 5 hours 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 5 hours ago
Wed, May 13 - Wed, May 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Wed, May 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, May 20, priced at $180 found 3 days ago
Sun, Feb 1 - Sun, Feb 8
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$183 Roundtrip, found 3 days ago
$183
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Sun, Feb 1 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Feb 8, priced at $183 found 3 days ago
Thu, Apr 16 - Sun, Apr 19
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Apr 16 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Apr 19, priced at $187 found 2 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.