£117+ Cheap flights to Donegal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
— CFN
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Donegal in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Donegal
Explore the most affordable flight options available to Donegal. Find the lowest fares based on data from user searches, with prices last updated on 18 December 2025.

Sat 27/1222:30LGW - CFN
1 stop21h 30mMultiple Airlines
Thu 1/114:30CFN - LGW
1 stop4h 25mMultiple Airlines
Deal found 15/12£222
Sat 27/1207:10LCY - CFN
1 stop12h 50mMultiple Airlines
Thu 1/114:30CFN - LCY
1 stop7h 00mMultiple Airlines
Deal found 15/12£431

Find flight deals to Donegal

Find the latest flights to Donegal in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 18 December 2025.

Return from

£141

One-way from

£117
1/1-4/1
  • 1/1-4/1
  • 2 total stops
  • 27h 55m total
  • London to Donegal
29/1
  • 29/1
  • 2 total stops
  • 17h 10m total
  • London to Donegal

Cheapflights Fare Finder

 
Locate flights to Donegal that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 18 December 2025.
Use the filters below to find and compare flights to Donegal that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 29/1

08:50-14:00

1 stop5h 10m

Donegal

Thu 5/2

14:30-21:05

1 stop6h 35m

£128

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 1/1

09:00-14:00

1 stop5h 00m

Donegal

Sun 4/1

10:00-08:55

1 stop22h 55m

£141

LondonDonegal

STN - CFN

STNCFN

London Stansted

Fri 30/1

21:45-14:00

1 stop16h 15m

Donegal

Fri 6/2

14:30-20:05

1 stop5h 35m

£141

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 1/1

06:30-14:00

1 stop7h 30m

Donegal

Sun 4/1

10:00-07:40

2 stops21h 40m

£144

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Fri 30/1

14:55-20:00

1 stop5h 05m

Donegal

Fri 6/2

14:30-18:30

1 stop4h 00m

£156

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 31/1

15:15-12:35

2 stops21h 20m

Donegal

Sat 7/2

14:30-19:50

1 stop5h 20m

£203

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 31/1

08:50-14:00

1 stop5h 10m

Donegal

Sat 7/2

07:55-15:35

1 stop7h 40m

£215

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Sat 27/12

22:30-20:00

1 stop21h 30m

Donegal

Thu 1/1

14:30-18:55

1 stop4h 25m

£222

LondonDonegal

LCY - CFN

LCYCFN

London City

Thu 29/1

06:50-20:00

1 stop13h 10m

Donegal

Thu 5/2

07:55-12:40

1 stop4h 45m

£311

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Thu 1/1

15:10-20:00

1 stop4h 50m

Donegal

Sun 4/1

10:00-16:50

1 stop6h 50m

£345

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 19 results
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Best time to book a flight to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Donegal

How long is the flight to Donegal?

On average, a flight from London to Donegal takes 9 hours 6 minutes. Flights to Donegal from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Donegal?

The cheapest airline flying from London to Donegal is Aer Lingus.

Rainfall in Donegal by month

Plan your trip to Donegal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Donegal ranges from 58.0 - 118.0 inches per month. October is typically the wettest month, when rainfall can reach 118.0 mm. April is typically the driest time to visit Donegal when rainfall is around 58.0 mm.

Temperature in Donegal by month

Plan your trip to Donegal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Donegal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 14.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

FAQs about flying to Donegal

Getting around Donegal

Donegal is very small with every section accessible by foot.

Getting from the Airport to the City

The closest international airport to Donegal is Aldergrove, Belfast Airport (BFS) just outside Belfast, with flights to Donegal arriving from across the United Kingdom and Europe. Donegal does, however, have its own regional airport (CFN), connected with Dublin and Glasgow. Bus services to and from Donegal run daily, while Aldergrove can also be reached by bus, with departure once every four hours. It is highly recommended that you hire a car for your stay as many attractions are not accessible by public transport.

  • What airport do you fly into for flights to Donegal?

    If you book a flight to Donegal, you will be flying into Donegal, which is the city’s only airport. Donegal (CFN) is located 28.5 mi from the center of Donegal.

  • Can I find cheaper flights to Donegal if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Donegal on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Donegal?

    Based on reviews from Cheapflights users, Aer Lingus is rated the highest out of the airlines that fly to Donegal.

  • Where does the fastest flight to Donegal depart from?

    For those looking to save time traveling to Donegal, Glasgow offers the quickest one-way flight (3 hours 30 minutes).

  • Does Donegal have car hire?

    Yes. Those touching down at Donegal can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Donegal?

    Yes. Donegal has hotels nearby for those requiring accommodations. Mickey's House is the closest property to Donegal (0.0 mi away from Donegal).

See more FAQs

Travelling to a place near Donegal?

Book flights to Donegal if you plan to visit one of these locations
Bundoran
Letterkenny
Killybegs

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How does Cheapflights help users find flights to Donegal?

Cheapflights makes it easy to find Donegal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets to Donegal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Donegal.

Can Cheapflights find flights to Donegal with no change fees?

Yes! Cheapflights helps users easily find flights to Donegal with no change fees.

Can Cheapflights notify me if prices for flights to Donegal become cheaper?

Not ready to book yet? You can track prices for flights to Donegal on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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