Cheap flights from London Heathrow Airport to Donegal from £183
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Donegal departing on 26/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights
Aer Lingus flights from London Heathrow Airport to Donegal
Our best Aer Lingus deals on London Heathrow Airport to Donegal flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport 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 Wednesday when prices can be found for as low as £202. 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 £299. 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 Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £271 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Donegal is in the afternoon when prices are around £296.
When to book flights from London Heathrow Airport to Donegal
Cheap London Heathrow Airport to Donegal (LHR to CFN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Donegal
How far is London Heathrow to Donegal by plane?
London Heathrow and Donegal are 385.9 mi apart from one another. In terms of flight time, this usually takes a little over 5h 05m.
When did momondo last update prices for flights from London Heathrow Airport to Donegal Airport?
Prices for flights from London Heathrow Airport to Donegal Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Donegal Airport?
There is 1 operator available for flights from London Heathrow Airport to Donegal Airport as of June 2025.
How old do you have to be to fly from London Heathrow Airport to Donegal Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Donegal Airport.
What documentation or ID do you need to fly to Donegal Airport?
The necessary travel and health documents for your Donegal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Heathrow Airport to Donegal?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Donegal is Aer Lingus (100% of total bookings).
Best airlines flying from London Heathrow Airport to Donegal
Compare and see reviews for airlines that fly from London Heathrow Airport to Donegal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £169 | Free Cancellation | Rating 7.1 1,118 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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Donegal. momondo saves you time and could save you money on your trip.
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 helps you find the best flight between London and Donegal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Donegal right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Donegal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.