Aer Lingus Flight 3401 Deals & Information (2026/2027)

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Aer Lingus Flight 3401 Route Deals From $47

The cheapest prices found with in the last 7 days for return flights were $93 and $47 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 13 - Fri, Feb 20
CFN
Donegal
DUB
Dublin
$93 Roundtrip, found 1 day ago
$93
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Feb 13 from Donegal to Dublin, returning Fri, Feb 20, priced at $93 found 1 day ago
Fri, Feb 13 - Tue, Feb 17
CFN
Donegal
DUB
Dublin
$94 Roundtrip, found 1 day ago
$94
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Feb 13 from Donegal to Dublin, returning Tue, Feb 17, priced at $94 found 1 day ago
Sat, Jan 31 - Sun, Feb 1
CFN
Donegal
DUB
Dublin
$95 Roundtrip, found 4 days ago
$95
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sat, Jan 31 from Donegal to Dublin, returning Sun, Feb 1, priced at $95 found 4 days ago
Wed, Feb 18 - Thu, Feb 19
CFN
Donegal
DUB
Dublin
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Feb 18 from Donegal to Dublin, returning Thu, Feb 19, priced at $205 found 1 day ago
Fri, Feb 13 - Fri, Feb 20
CFN
Donegal
DUB
Dublin
$290 Roundtrip, found 1 day ago
$290
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Feb 13 from Donegal to Dublin, returning Fri, Feb 20, priced at $290 found 1 day ago
Fri, Feb 13 - Fri, Feb 20
CFN
Donegal
DUB
Dublin
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Feb 13 from Donegal to Dublin, returning Fri, Feb 20, priced at $294 found 1 day ago

Frequently asked questions

What route does flight number EI3401 take?
Flight number EI3401 flies straight from CFN to Dublin Airport (DUB). During this trip, expect to be in the air for 55 minutes. Book ahead to secure your preferred seat.
What kind of plane is on flight number EI3401?
The route for flight number EI3401 is most commonly CFN to Dublin Airport (DUB), and the ATR 42 is the aircraft model you're likely to be heading off on.
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 EI3401 flight with Travelocity, please visit our Customer Service Portal.