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

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Aer Lingus Flight 403 Route Deals From $64

The cheapest prices found with in the last 7 days for return flights were $107 and $64 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 9 - Mon, Oct 12
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$107 Roundtrip, found 6 days ago
$107
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Fri, Oct 9 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Oct 12, priced at $107 found 6 days ago
Tue, Oct 13 - Thu, Oct 15
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$108 Roundtrip, found 6 days ago
$108
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Oct 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Thu, Oct 15, priced at $108 found 6 days ago
Fri, Oct 9 - Mon, Oct 12
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$124 Roundtrip, found 6 days ago
$124
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Fri, Oct 9 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Mon, Oct 12, priced at $124 found 6 days ago
Wed, Sep 30 - Sun, Oct 4
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$127 Roundtrip, found 6 days ago
$127
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Sep 30 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Oct 4, priced at $127 found 6 days ago
Mon, Nov 23 - Wed, Dec 2
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Nov 23 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Dec 2, priced at $134 found 2 days ago
Fri, Oct 9 - Sun, Oct 11
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$138 Roundtrip, found 3 days ago
$138
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Fri, Oct 9 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Oct 11, priced at $138 found 3 days ago
Tue, Oct 13 - Thu, Oct 15
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$140 Roundtrip, found 6 days ago
$140
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Oct 13 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Thu, Oct 15, priced at $140 found 6 days ago
Fri, Sep 4 - Thu, Sep 10
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$146 Roundtrip, found 2 days ago
$146
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Fri, Sep 4 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Thu, Sep 10, priced at $146 found 2 days ago
Thu, Oct 8 - Wed, Oct 14
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$147 Roundtrip, found 4 days ago
$147
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, Oct 8 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Wed, Oct 14, priced at $147 found 4 days ago
Fri, Sep 18 - Sun, Sep 20
FCO
Fiumicino - Leonardo da Vinci Intl.
DUB
Dublin
$150 Roundtrip, found 4 days ago
$150
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Sep 18 from Fiumicino - Leonardo da Vinci Intl. to Dublin, returning Sun, Sep 20, priced at $150 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.