--- title: "Donegal (CFN) to Dublin (DUB) flights: who flies it" description: "Aer Lingus flies nonstop from CFN to DUB, about 14 flights a week as EI 3401 and EI 3403, scheduled at 55 minutes to 1h. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cfn-dub" url: "https://2lnr.com/routes/cfn-dub.md" date_modified: "2026-10-18T05:10:47Z" --- # Donegal to Dublin (CFN-DUB): nonstop flights and who flies them Aer Lingus flies nonstop between Donegal (CFN) and Dublin (DUB), roughly 14 times a week. In the timetable below it flies as EI 3401 and EI 3403, scheduled at 55 minutes to 1h for the 140 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See CFN to DUB on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 55 minutes to 1h Scheduled flight time 140 mi Nonstop distance Free To get started ## Donegal to Dublin flight schedule Scheduled nonstop departures for CFN to DUB starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Donegal (CFN) to Dublin (DUB) | Date | Flight | Airline | Departs CFN | Arrives DUB | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | [ATR 72](https://2lnr.com/seatmaps/ei/atr-72.md) | | Thu, Oct 22 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | | Fri, Oct 23 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | ATR 72 | | Fri, Oct 23 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | | Sat, Oct 24 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | ATR 72 | | Sat, Oct 24 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | | Sun, Oct 25 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | ATR 72 | | Sun, Oct 25 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | | Mon, Oct 26 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | ATR 72 | | Mon, Oct 26 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | | Tue, Oct 27 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | ATR 72 | | Tue, Oct 27 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | | Wed, Oct 28 | EI 3401 | Aer Lingus | 07:55 | 08:50 | 55 minutes | ATR 72 | | Wed, Oct 28 | EI 3403 | Aer Lingus | 14:30 | 15:30 | 1h | ATR 72 | Showing all 14 scheduled CFN to DUB departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every CFN to DUB date on the interactive map ## Aircraft on the Donegal to Dublin nonstop Aer Lingus flies the [ATR 72](https://2lnr.com/seatmaps/ei/atr-72.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full CFN to DUB nonstop schedule This page carries the full CFN to DUB nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each CFN to DUB nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See CFN to DUB on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Donegal to Dublin nonstop Carriers operating CFN to DUB nonstop in the current schedule. - [Aer Lingus (EI) route map](https://2lnr.com/routes/airlines/ei.md)\ [The aircraft EI flies](https://2lnr.com/seatmaps/ei.md) See CFN to DUB on the interactive map → ## Frequently asked questions about CFN to DUB **How long is the flight from Donegal (CFN) to Dublin (DUB)?** Scheduled flight times from Donegal (CFN) to Dublin (DUB) run from 55 minutes to 1h across the departures in the schedule table on this page. The nonstop covers about 140 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from CFN to DUB?** Aer Lingus is currently the only airline flying CFN to DUB nonstop. 2LNR doesn't show award or upgrade space for it on CFN to DUB, so this page carries the schedule rather than a space claim. **How many flights a week are there from CFN to DUB?** About 14 nonstop flights a week run between Donegal (CFN) and Dublin (DUB) in the current schedule, operated by Aer Lingus. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from CFN to DUB depart?** Scheduled CFN to DUB nonstops in the next 7 days with service leave between 07:55 and 14:30, local time at Donegal. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CFN to DUB nonstop?** In the schedule table on this page, CFN to DUB nonstops fly as EI 3401 and EI 3403 on Aer Lingus. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on CFN to DUB?** Not on this route: 2LNR doesn't show award or upgrade space for Aer Lingus on CFN to DUB. The page carries the full CFN to DUB nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [DUB to CFN nonstop flights](https://2lnr.com/routes/dub-cfn.md). Award seats rather than schedules? See [Aer Lingus award availability](https://2lnr.com/awards/ei.md). Looking beyond this route? See [every route from Donegal (CFN)](https://2lnr.com/routes/cfn.md), or [every route from Dublin (DUB)](https://2lnr.com/routes/dub.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full CFN to DUB nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)