Cheap Flights Dublin to Donegal from £30

Flight FAQs

• Which airlines offer the cheapest flights from Dublin (DUB) to Donegal (CFN)?

  Based on Trip.com data, Aer Lingus offers one-way fares as low as £30 on Cheapest nonstop routes (e.g. DUB to CFN on Thu, Sep 17), while Aer Lingus offers Cheapest nonstop round-trips from £66 departing on Wed, Aug 26 and returning on Tue, Sep 1.

• Which airlines offer direct flights from Dublin to Donegal?

  At the moment, you can catch a direct flight from Dublin to Donegal with the following airlines, including: Aer Lingus Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Dublin (DUB) to Donegal (CFN)?

  It takes about 1 hour 8 minutes to fly from Dublin (DUB) to Donegal (CFN).

• When is the best time to book flights from Dublin to Donegal?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dublin to Donegal is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Dublin to Donegal?

  Based on Trip.com data in the past 4 weeks, there is 13 flight per week flying from Dublin to Donegal. You can check the weekly schedule for popular airlines on this route below: Aer Lingus: S/M/T/W/T/F/S -- EI3402 (13:01)

• How can I find the best deals on flights from Dublin to Donegal?

  To find best deals on flights from Dublin to Donegal, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Sep 17, with one-way flights priced at just £30.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aer Lingus.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Donegal travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Dublin to Donegal to get the best price?

  The cheapest months to fly from Dublin to Donegal is August, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Dublin to Donegal?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Dublin to Donegal on August 21, 2026 with Aer Lingus, with prices starting at £31.

• Which airports can I fly through when travelling to Donegal from Dublin?

  You can land at any one of the following hubs in Donegal, with Dublin Airport to Donegal Airport (DUB-CFN) is by far the most common option on this route: Donegal Airport (CFN).

• What is the time difference between Dublin and Donegal?

  The time difference between Donegal and Dublin is 0m.

• How can I change or cancel my flight ticket from Dublin to Donegal?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Dublin to Donegal?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Dublin to Donegal is £64. Fares vary by travel date, airline and availability.

• What is the average cost of a return flight from Dublin to Donegal?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Dublin to Donegal is £91. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Dublin to Donegal on Trip.com?

  Enter Dublin and Donegal, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.