Find Cheapest Airlines Flying from London to Donegal

Choose from 0 airlines fly from London to Donegal, including , Ryanair has lowest fares on this route.

Search direct flights: from London to Donegal for the next 3 months. Book one way from € 63 | Return from € 225

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

London to Donegal Flight Details

The distance between London and Donegal is approximately 672.92km. The most popular month to fly to Donegal is January. The off-season for travel is September.

Cheapest one-way flight price€ 63
Cheapest return ticket price€ 225
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance672.92km

Best Time to Book Flights from London to Donegal

The cheapest flights from London to Donegal are available between Dec 7 and Dec 14, with one way flights starting from € 62.

Cheapest flights
From price
Search
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Flight FAQs

  • Which airlines offer the cheapest flights from London (LON) to Donegal (CFN)?

    Based on Trip.com data, Ryanair offers one-way fares as low as € 63 on Cheapest nonstop routes (e.g. LTN to CFN on Sun, Dec 14), while Ryanair offers Cheapest nonstop round-trips from € 225 departing on Tue, Dec 2 and returning on Fri, Dec 5.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London 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.
  • To find best deals on flights from London 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 Sun, Dec 14, with one-way flights priced at just € 63.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · 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 January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Donegal is September, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from London to Donegal on November 26, 2025 with Ryanair, with prices starting at € 139.
  • The time difference between Donegal and London is 0h.
  • 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.