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

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Aer Lingus Flight 403 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $117 and $59 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Wed, Nov 19
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$117 Roundtrip, found 2 days ago
$117
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Tue, Nov 18 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Nov 19, priced at $117 found 2 days ago
Thu, Sep 11 - Sun, Sep 14
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$135 Roundtrip, found 3 days ago
$135
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Sep 11 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Sep 14, priced at $135 found 3 days ago
Thu, Nov 13 - Mon, Nov 17
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$136 Roundtrip, found 2 days ago
$136
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Nov 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Nov 17, priced at $136 found 2 days ago
Thu, Oct 9 - Sun, Oct 12
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$138 Roundtrip, found 2 days ago
$138
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Oct 9 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Oct 12, priced at $138 found 2 days ago
Tue, Nov 18 - Sun, Nov 23
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$145 Roundtrip, found 2 days ago
$145
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Tue, Nov 18 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Nov 23, priced at $145 found 2 days ago
Thu, Sep 11 - Sun, Sep 14
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$152 Roundtrip, found 3 days ago
$152
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Sep 11 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Sep 14, priced at $152 found 3 days ago
Thu, Nov 13 - Mon, Nov 17
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$154 Roundtrip, found 2 days ago
$154
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Nov 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Nov 17, priced at $154 found 2 days ago
Thu, Nov 6 - Wed, Nov 12
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$156 Roundtrip, found 20 hours ago
$156
Roundtrip
found 20 hours ago
Select Aer Lingus flight, departing Thu, Nov 6 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Nov 12, priced at $156 found 20 hours ago
Thu, Oct 9 - Sun, Oct 12
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$156 Roundtrip, found 2 days ago
$156
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Oct 9 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Oct 12, priced at $156 found 2 days ago
Fri, Sep 12 - Mon, Sep 15
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Sep 12 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Sep 15, priced at $157 found 1 day 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.