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Cheap flights from the United Kingdom to Donegal from £70

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CFN
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 March 2026.

Wed 1/415:40
GLA
-
CFN
1 stop4h 20m
Multiple Airlines
Sat 4/420:30
CFN
-
GLA
1 stop10h 45m
Multiple Airlines
Deal found 11/3£118
Fri 3/421:25
GLA
-
CFN
1 stop10h 10m
Multiple Airlines
Thu 9/408:00
CFN
-
GLA
1 stop6h 55m
Multiple Airlines
Deal found 11/3£128
Sat 21/313:30
STN
-
CFN
1 stop6h 30m
Multiple Airlines
Sat 28/314:30
CFN
-
STN
1 stop6h 50m
Multiple Airlines
Deal found 12/3£135
Sun 19/409:00
LTN
-
CFN
1 stop11h 00m
Multiple Airlines
Thu 23/408:00
CFN
-
LTN
1 stop4h 35m
Multiple Airlines
Deal found 11/3£138
Sun 26/407:55
EDI
-
CFN
1 stop23h 40m
Multiple Airlines
Sun 3/520:30
CFN
-
EDI
1 stop10h 55m
Multiple Airlines
Deal found 12/3£138
Sat 21/322:30
LGW
-
CFN
1 stop13h 55m
Multiple Airlines
Sat 28/314:30
CFN
-
LGW
1 stop5h 15m
Multiple Airlines
Deal found 12/3£138
Sun 19/408:30
STN
-
CFN
1 stop11h 30m
Multiple Airlines
Thu 23/420:30
CFN
-
STN
1 stop11h 20m
Multiple Airlines
Deal found 11/3£138
Fri 22/516:20
MAN
-
CFN
1 stop3h 40m
Multiple Airlines
Mon 25/520:30
CFN
-
MAN
1 stop10h 35m
Multiple Airlines
Deal found 13/3£139
Sat 11/421:25
LTN
-
CFN
1 stop10h 10m
Multiple Airlines
Sat 18/420:30
CFN
-
LTN
1 stop4h 00m
Multiple Airlines
Deal found 14/3£141
Fri 3/423:55
EDI
-
CFN
1 stop7h 40m
Multiple Airlines
Thu 9/408:00
CFN
-
EDI
1 stop14h 00m
Multiple Airlines
Deal found 11/3£141
Sat 25/417:10
MAN
-
CFN
1 stop14h 25m
Multiple Airlines
Sat 2/508:00
CFN
-
MAN
1 stop13h 25m
Multiple Airlines
Deal found 11/3£141
Thu 30/418:00
STN
-
CFN
1 stop13h 35m
Multiple Airlines
Thu 7/508:00
CFN
-
STN
1 stop11h 30m
Multiple Airlines
Deal found 15/3£141

Find 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 16 March 2026.

Round-trip from

£118

One-way from

£70
1/4-4/4
  • 1/4-4/4
  • 2 total stops
  • 15h 05m total
  • United Kingdom to Donegal
Search Deals
11/5
  • 11/5
  • 1 total stop
  • 21h 15m total
  • United Kingdom to Donegal
Search Deals

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 16 March 2026.
Use the filters below to find and compare flights from the United Kingdom to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowDonegal

GLA - CFN

GLACFN

Glasgow Intl

Wed 1/4

15:40-20:00

1 stop4h 20m

Donegal

Sat 4/4

20:30-07:15

1 stop10h 45m

£118

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sun 19/4

09:00-20:00

1 stop11h 00m

Donegal

Thu 23/4

08:00-12:35

1 stop4h 35m

£138

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sun 19/4

08:30-20:00

1 stop11h 30m

Donegal

Thu 23/4

20:30-07:50

1 stop11h 20m

£138

GlasgowDonegal

GLA - CFN

GLACFN

Glasgow Intl

Fri 3/4

21:25-07:35

1 stop10h 10m

Donegal

Thu 9/4

08:00-18:35

2 stops10h 35m

£140

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 11/4

21:25-07:35

1 stop10h 10m

Donegal

Sat 18/4

20:30-00:30

1 stop4h 00m

£141

EdinburghDonegal

EDI - CFN

EDICFN

Edinburgh Turnhouse

Fri 3/4

23:55-07:35

1 stop7h 40m

Donegal

Thu 9/4

08:00-22:00

1 stop14h 00m

£141

ManchesterDonegal

MAN - CFN

MANCFN

Manchester

Sat 25/4

17:10-07:35

1 stop14h 25m

Donegal

Sat 2/5

08:00-21:25

1 stop13h 25m

£141

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 30/4

18:00-07:35

1 stop13h 35m

Donegal

Thu 7/5

08:00-19:30

1 stop11h 30m

£141

BirminghamDonegal

BHX - CFN

BHXCFN

Birmingham

Sun 26/4

21:30-07:35

1 stop10h 05m

Donegal

Sun 3/5

20:30-08:00

1 stop11h 30m

£141

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 27/4

22:45-07:35

1 stop8h 50m

Donegal

Mon 4/5

20:30-07:50

1 stop11h 20m

£141

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 57 resultsSorted by cheapest first
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6

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, June is the cheapest month in which you can book a flight from United Kingdom to Donegal (average of £27). 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 16 March 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 16 March 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
1,477 reviews
Check prices

Comfort

7.1

Food

6.6

Overall

7.2

Entertainment

7.0

Crew

8.1

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.2
Good
1,477 reviews
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Comfort

7.1

Food

6.6

Overall

7.2

Entertainment

7.0

Crew

8.1

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

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 can get you from United Kingdom to Donegal in just under 4h 10m. Your travel time can differ by up to . United Kingdom and Donegal are separated by a distance of 408 mi.

  • 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 London Gatwick - Donegal or London Heathrow - 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, June is the cheapest month in which you can book a flight from United Kingdom to Donegal (average of £27). 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
Letterkenny
Bundoran
Killybegs

Browse thousands of different options on Cheapflights for your next trip

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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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£122Average£205FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LoganairCheapest£166Average£197FlexibilityNo 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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