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Cheap flights from the United Kingdom to Donegal from £184

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CFN
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Donegal

Keep the following information in mind while searching for United Kingdom to Donegal flight deals. Data was last updated 15 January 2026.

Round-trip from

£191
Aer Lingus
  • Aer Lingus
  • 7/2-14/2
  • 2 total stops
  • 25h 55m total
  • United Kingdom to Donegal
Search Deals

Find flight deals from United Kingdom to Donegal

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Donegal
Explore the most affordable flight options available from United Kingdom to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 January 2026.

Fri 16/121:50
GLA
-
CFN
1 stop16h 10m
Multiple Airlines
Sun 18/113:00
CFN
-
GLA
1 stop18h 55m
Multiple Airlines
Deal found 14/1£184
Sat 7/219:35
LHR
-
CFN
1 stop17h 00m
Aer Lingus
Sat 14/207:55
CFN
-
LHR
1 stop8h 55m
Aer Lingus
Deal found 14/1£191
Fri 16/109:10
GLA
-
CFN
Nonstop1h 00m
Loganair
Sun 18/119:15
CFN
-
GLA
Nonstop1h 00m
Loganair
Deal found 14/1£237
Fri 27/206:25
LHR
-
CFN
1 stop3h 45m
Multiple Airlines
Fri 6/310:40
CFN
-
LHR
1 stop11h 05m
Multiple Airlines
Deal found 13/1£344
Fri 10/406:15
LHR
-
CFN
1 stop3h 55m
Multiple Airlines
Sun 12/419:15
CFN
-
LHR
1 stop12h 10m
Multiple Airlines
Deal found 14/1£357
Sat 7/222:35
LHR
-
CFN
2 stops14h 00m
Multiple Airlines
Sat 14/214:30
CFN
-
LHR
1 stop5h 20m
Multiple Airlines
Deal found 14/1£413
Sun 25/108:05
MAN
-
CFN
1 stop4h 30m
British Airways
Thu 29/107:55
CFN
-
MAN
2 stops24h 20m
British Airways
Deal found 12/1£440
Sun 25/108:15
BHX
-
CFN
1 stop11h 45m
British Airways
Thu 29/107:55
CFN
-
BHX
1 stop24h 45m
British Airways
Deal found 14/1£452
Mon 26/112:00
EDI
-
CFN
1 stop8h 00m
British Airways
Wed 28/107:55
CFN
-
EDI
2 stops24h 40m
British Airways
Deal found 12/1£454
Fri 23/116:30
GLA
-
CFN
1 stop3h 30m
British Airways
Sat 24/114:30
CFN
-
GLA
1 stop21h 00m
British Airways
Deal found 12/1£460
Fri 16/120:10
GLA
-
CFN
1 stop23h 50m
British Airways
Sun 18/113:00
CFN
-
GLA
1 stop22h 30m
British Airways
Deal found 14/1£466
Fri 27/220:15
EDI
-
CFN
2 stops46h 30m
Multiple Airlines
Fri 6/310:40
CFN
-
EDI
2 stops26h 35m
Multiple Airlines
Deal found 13/1£709

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Donegal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 January 2026.
Use the filters below to find and compare flights from the United Kingdom to Donegal that are best for you.

Fly from

United Kingdom

Fly to

Donegal

Route

Depart

Return

Price

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 7/2

19:35-12:35

1 stop17h 00m

Donegal

Sat 14/2

07:55-16:50

1 stop8h 55m

£191

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Fri 27/2

06:25-10:10

1 stop3h 45m

Donegal

Fri 6/3

10:40-21:45

1 stop11h 05m

£344

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Fri 10/4

06:15-10:10

1 stop3h 55m

Donegal

Sun 12/4

19:15-07:25

1 stop12h 10m

£357

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 7/2

22:35-12:35

2 stops14h 00m

Donegal

Sat 14/2

14:30-19:50

1 stop5h 20m

£413

ManchesterDonegal

MAN - CFN

MANCFN

Manchester

Sun 25/1

08:05-12:35

1 stop4h 30m

Donegal

Thu 29/1

07:55-08:15

2 stops24h 20m

£440

BirminghamDonegal

BHX - CFN

BHXCFN

Birmingham

Sun 25/1

08:15-20:00

1 stop11h 45m

Donegal

Thu 29/1

07:55-08:40

1 stop24h 45m

£452

EdinburghDonegal

EDI - CFN

EDICFN

Edinburgh Turnhouse

Mon 26/1

12:00-20:00

1 stop8h 00m

Donegal

Wed 28/1

07:55-08:35

2 stops24h 40m

£454

EdinburghDonegal

EDI - CFN

EDICFN

Edinburgh Turnhouse

Fri 27/2

20:15-18:45

2 stops46h 30m

Donegal

Fri 6/3

10:40-13:15

2 stops26h 35m

£709

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Best time to book a flight from United Kingdom to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from United Kingdom 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 from the United Kingdom to Donegal

What is the cheapest month to book a flight from United Kingdom to Donegal?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Donegal (average of £25). Flying from United Kingdom to Donegal in August is currently the most expensive (average of £33). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to CFN?

Find hourly flight availability from United Kingdom to Donegal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Donegal as you normally would.

Reviews of airlines servicing Donegal

Get insights into the airlines that provide service to Donegal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Donegal. Reviews last updated 15 January 2026.
Check out reviews from past customers who have flown with Aer Lingus from the United Kingdom to Donegal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,435 reviews
Check prices

Food

6.6

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.4

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Catherine,Dec 2025

AGP - DUB

Flight out to Malaga was terrific on A330 but flight back on A320 no where as good. Seat was uncomfortable, sweet wrappers & toilet paper on the floor at my seat. Rubbish in holder of seat in front. All unpleasant. Flight itself was fine & crew otherwise very good.
Aer Lingus
7.2
Good
1,435 reviews
Aer Lingus
7.2
Good
1,435 reviews
Check prices

Food

6.6

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.4

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Catherine,Dec 2025

AGP - DUB

Flight out to Malaga was terrific on A330 but flight back on A320 no where as good. Seat was uncomfortable, sweet wrappers & toilet paper on the floor at my seat. Rubbish in holder of seat in front. All unpleasant. Flight itself was fine & crew otherwise very good.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Donegal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How long is the flight from United Kingdom to Donegal?

    Aer Lingus and British Airways can get you from United Kingdom to Donegal in just under 4h 30m. Your travel time can differ by up to 12h 30m. United Kingdom and Donegal are separated by a distance of 271 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from United Kingdom to Donegal?

    The most popular route from United Kingdom to Donegal is Glasgow Intl - Donegal. You may also consider Edinburgh Turnhouse - Donegal or London Gatwick - Donegal.

  • Can I find deals for flights from United Kingdom to Donegal that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Donegal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Donegal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Donegal.

  • Can I find deals for business class flights from United Kingdom to Donegal?

    Yes. Cheapflights offers flight deals from United Kingdom to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Donegal?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Donegal (average of £25). Flying from United Kingdom to Donegal in August is currently the most expensive (average of £33). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Donegal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from United Kingdom to Donegal

Discover the top 2 airlines that operate flights from United Kingdom to Donegal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£103Average£223FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LoganairCheapest£140Average£193FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Donegal?

Cheapflights makes it easy to find United Kingdom to 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 from United Kingdom to Donegal?

Cheapflights helps you find that perfect flight to Donegal from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from United Kingdom to Donegal with no change fees?

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

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

Yes, Cheapflights offers price alerts on United Kingdom to Donegal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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