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Find cheap one-way flights from London to Donegal starting at US$91.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

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

When is the cheapest time to book flights from London to Donegal?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from London to Donegal

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

British Airways
From US$91
Aer Lingus
From US$109
Norwegian Air Sweden
From US$149
easyJet
From US$151
Ryanair
From US$152
Scandinavian Airlines
From US$155
Norwegian Air Shuttle ASA
From US$222
Turkish Airlines
From US$396
ANA airlines

Find more flights and airlines

Find cheap flights from London to Donegal by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from London to Donegal.

  • Cheapest
    British Airways
    LHR
    06:55
    5h 55m
    1 transfer
    CFN
    12:50
    London Heathrow Airport - Donegal Airport
    Wed, May 8British Airways
    US$91
  • Aer Lingus
    LGW
    15:15
    4h 45m
    1 transfer
    CFN
    20:00
    London Gatwick Airport - Donegal Airport
    Thu, Apr 18Aer Lingus
    US$118
  • British Airways
    LCY
    14:40
    5h 20m
    1 transfer
    CFN
    20:00
    London City Airport - Donegal Airport
    Wed, May 8British Airways
    US$129
  • British Airways
    LCY
    14:40
    5h 20m
    1 transfer
    CFN
    20:00
    London City Airport - Donegal Airport
    Wed, May 8British Airways
    US$129
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from London (LON) to Donegal (CFN) the cheapest?

    Airlines adjust prices for flights from London to Donegal based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from London (LON) to Donegal (CFN) cost?

    According to Trip.com's data, the lowest price is around $343.
  • What is the transportation method from the main airport to downtown in Donegal?

    • The distance from Donegal Airport to downtown is about 45km. It takes about 1 hour by taxi.

London to Donegal Flight Information

Cheapest nonstop flight price

$91

Off-season for travel

December

Peak season for travel

June

Read before Taking Flights from London to Donegal

If you’re looking to book cheap flights from London to Donegal, Trip.com has you covered. Many people travel from London to Donegal for the city’s world-famous sights, delicious Irish cuisine and unrivalled shopping scene. A convenient destination, you can fly from London to Donegal in just over 1 hour, making it the perfect place for a short city break, or even a gateway to explore the rest of Ireland. With prices starting from just £44, there’s never been a better time to book tickets from London to Donegal and experience all that this incredible city has to offer.

How to find a cheap flights from London to Donegal

Finding cheap flights from London to Donegal is easy with our money-saving tips. You can secure the best deals by booking in advance, flying on a weekday rather than a weekend, going incognito when browsing for flights, and choosing to fly with better-priced budget airlines.

Airlines that fly from London to Donegal

A few airlines offer direct flights from London to Donegal, including British Airways, Aer Lingus

Flight time from London to Donegal

Donegal lies a distance of 398 miles miles from London, with flights taking around 1 hour.

Departure from a London Airport to Donegal

Flights from London Heathrow Airprot to Donegal You can get a tube direct from the city centre to the airport. It takes approximately 45 minutes on the Piccadilly Line with prices starting from £5.50, or 30 minutes on the Elizabeth Line for £12.80. You can also get the Heathrow Express from London Paddington in 15 minutes from £5.50, or a 35-minute coach from London Victoria from £6.Flights from London Gatwick Airport to Donegal The Gatwick Express offers a non-stop train from London Victoria in just 30 minutes for £19.90. Southern and Thameslink also offer trains, with prices starting from £11.30. You can also get a coach from London Victoria to Gatwick from £10 which takes 1.5-2 hours.Flights from London Stansted Airport to Donegal The Stansted Express takes 50 minutes from London Liverpool street with prices from £9.90. You can also get the Airport Bus Express from here too, which takes around 1 hour and costs £12.Flights from London Luton Airport to Donegal The Luton Airport Express from London St Pancras takes 32 minutes with tickets from £10, or from just £5, you can get a 1.5 hour National Express Coach from London Victoria.Flights from London City Airport to Donegal You can get the DLR to London City Airport from Bank in around 20 minutes, with prices starting from just £3.