Cheap flights from London to Donegal from £85
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Donegal departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London to Donegal
Cheap return flights
Cheap one-way flights
Aer Lingus flights from London to Donegal
Our best Aer Lingus deals on London to Donegal flight tickets
See travel insights to Donegal from
How to get the cheapest flight ticket from London to Donegal
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London and Donegal?
What is the cheapest day to depart on your flight to Donegal?
The cheapest day to depart on your flight to Donegal is on a Sunday when prices can be found for as low as £0. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £304. These prices are subject to change though, so be sure to set up a Price Alert for flights to Donegal.
What is the cheapest time of day to depart on your flight to Donegal?
Flying to Donegal from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £0 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Donegal is in the afternoon when prices are around £301.
What is the cheapest airline that flies from London to Donegal?
Aer Lingus and British Airways are the most popular carriers operating from London to Donegal
Which airlines fly to Donegal?
Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Donegal from London according to our data. Ryanair is the first choice among our users, with 63% of people opting to fly with this airline when travelling to Donegal. Keep in mind that there are 3 different airlines that fly to Donegal on a routine basis, so you have a few additional options to choose from.
When to book flights from London to Donegal
Cheap London to Donegal (LON to CFN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Donegal
How far is London to Donegal by plane?
There are 396.1 mi between London and Donegal. Flights usually cover this in 3h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Donegal Airport?
Prices for flights from London to Donegal Airport refresh daily.
How many operators does momondo search for flights from London to Donegal Airport?
There is 1 operator available for flights from London to Donegal Airport as of April 2025.
How old do you have to be to fly from London to Donegal Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Donegal Airport.
What documentation or ID do you need to fly to Donegal Airport?
The required travel and health documents for your Donegal Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Donegal Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London to Donegal?
Based on momondo bookings for flights between London and Donegal, the leading airline is Aer Lingus, making up 100% of the total bookings.
Best airlines flying from London to Donegal
Compare and see reviews for airlines that fly from London to Donegal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £175 | Free Cancellation | Rating 7.0 1,067 reviews |
Travelling to a place near Donegal?
Book flights to Donegal if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Donegal?
It is quick and easy to find London to Donegal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Donegal that suits you.
Can I find flights from London to Donegal with flexible booking policies on momondo?
All flight searches from London to Donegal on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Donegal?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Donegal.
I’m not ready to book a flight from London to Donegal right now. Can momondo alert me if prices change?
Price alerts on flights to Donegal from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.