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

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Aer Lingus Flight 403 Route Deals From $56

The cheapest prices found with in the last 7 days for return flights were $136 and $56 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 1 day ago
$136
Roundtrip
found 1 day 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 1 day ago
Tue, Jan 27 - Tue, Feb 10
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 Tue, Jan 27 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Tue, Feb 10, priced at $139 found 3 days ago
Thu, Feb 5 - Sun, Feb 8
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$146 Roundtrip, found 4 days ago
$146
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, Feb 5 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Feb 8, priced at $146 found 4 days ago
Thu, Mar 19 - Sun, Mar 22
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$150 Roundtrip, found 3 days ago
$150
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Mar 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Mar 22, priced at $150 found 3 days ago
Thu, Apr 16 - Tue, Apr 28
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day 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 1 day ago
Thu, Mar 19 - Sun, Mar 22
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$162 Roundtrip, found 3 days ago
$162
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Mar 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Mar 22, priced at $162 found 3 days ago
Tue, Mar 31 - Sat, Apr 4
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$165 Roundtrip, found 3 days ago
$165
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Tue, Mar 31 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sat, Apr 4, priced at $165 found 3 days ago
Fri, Feb 6 - Mon, Feb 9
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$168 Roundtrip, found 3 days ago
$168
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Fri, Feb 6 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Feb 9, priced at $168 found 3 days ago
Sun, May 24 - Wed, May 27
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$219 Roundtrip, found 6 hours ago
$219
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Sun, May 24 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, May 27, priced at $219 found 6 hours ago
Thu, Mar 5 - Thu, Mar 12
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$224 Roundtrip, found 18 hours ago
$224
Roundtrip
found 18 hours ago
Select Aer Lingus flight, departing Thu, Mar 5 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Thu, Mar 12, priced at $224 found 18 hours ago
Sun, May 24 - Wed, May 27
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$240 Roundtrip, found 6 hours ago
$240
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Sun, May 24 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, May 27, priced at $240 found 6 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.