Find cheap flights from London Heathrow Airport to Donegal from €114
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Donegal departing on 24/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Return
1 adult
Economy
0 bags
Sun 19/5
Sun 26/5
Search hundreds of travel sites at once for deals on flights to Donegal
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Donegal, as well as popular online travel agencies
...and more
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Donegal, as well as popular online travel agencies
In the last 7 days, travellers have searched 44,212,662 times on KAYAK, and here's why:
Filter your dealsChoose cabin class, free Wi-Fi and more.
Cheap flight deals from Heathrow to Donegal (LHR-CFN)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Donegal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Flights from Heathrow to Donegal - Travel Insights & Trends
Get data-powered insights and trends into flights from Heathrow to Donegal to help you find the cheapest flights, the best time to fly and much more.
What is the cheapest month to fly from London Heathrow Airport to Donegal?
To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Heathrow Airport to Donegal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Heathrow Airport to Donegal is November, where tickets cost €258 on average. On the other hand, the most expensive months are January and February, where the average cost of tickets is €563 and €500 respectively.
Are your dates flexible? Find out the best times to travel from Heathrow to Donegal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
FAQs for booking London Heathrow Airport to Donegal flights
What is the cheapest flight from London Heathrow Airport to Donegal?
In the last 3 days, the lowest price for a flight from London Heathrow Airport to Donegal was €122 for a one-way ticket and €294 for a return.
Which aircraft models fly most regularly from London Heathrow Airport to Donegal?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from London Heathrow Airport to Donegal?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Donegal.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Donegal?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Donegal from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from London Heathrow Airport to Donegal?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Donegal with an airline and back to London Heathrow Airport with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Donegal?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Donegal from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
See more FAQs
Book cheap flights from London to Donegal
Recent one-way flight deals
Only flying one-way? Below are some of the best one-way flight deals from London to Donegal found on KAYAK in the last 72 hours.