Aer Lingus Flight 403 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Aer Lingus Flight 403 Route Deals From $54

The cheapest prices found with in the last 7 days for return flights were $147 and $54 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 21 - Sun, Nov 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Nov 21 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Nov 23, priced at $147 found 1 day ago
Tue, Jan 13 - Sat, Jan 17
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$149 Roundtrip, found 6 days ago
$149
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Jan 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sat, Jan 17, priced at $149 found 6 days ago
Tue, Jan 13 - Sat, Jan 17
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$163 Roundtrip, found 6 days ago
$163
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Jan 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sat, Jan 17, priced at $163 found 6 days ago
Tue, Jan 13 - Sat, Jan 17
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$170 Roundtrip, found 6 days ago
$170
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Jan 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sat, Jan 17, priced at $170 found 6 days ago
Fri, Nov 21 - Sun, Nov 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Nov 21 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Nov 23, priced at $181 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$184 Roundtrip, found 4 days ago
$184
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Mar 20 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Mar 22, priced at $184 found 4 days ago
Wed, Mar 11 - Sun, Mar 15
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$186 Roundtrip, found 3 days ago
$186
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Wed, Mar 11 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Mar 15, priced at $186 found 3 days ago
Fri, Nov 21 - Sun, Nov 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$193 Roundtrip, found 1 day ago
$193
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Nov 21 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Nov 23, priced at $193 found 1 day ago
Wed, Nov 19 - Tue, Dec 2
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Nov 19 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Tue, Dec 2, priced at $198 found 1 day ago
Thu, Nov 27 - Sun, Nov 30
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, Nov 27 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Nov 30, priced at $198 found 4 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.