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Cheap flights from London to Donegal from £128

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CFN
30 Mar — 6 Apr1
1 adult

Cheap flight deals from London to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Donegal (CFN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 March 2025.

Round-trip from

£128

Popular in

June

Cheapest in

July

Average price

£338
21/4-28/4
  • 21/4-28/4
  • 2 total stops
  • 25h 30m total
  • London to Donegal
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Find flight deals from London to Donegal

Cheapest flights from London to Donegal
Explore the most affordable flight options available from London to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Mon 21/408:15STN - CFN
1 stop5h 45mMultiple Airlines
Mon 28/414:30CFN - STN
1 stop19h 45mMultiple Airlines
Deal found 24/3£128
Sat 10/516:10LTN - CFN
1 stop3h 50mMultiple Airlines
Fri 23/514:30CFN - LTN
1 stop6h 10mMultiple Airlines
Deal found 24/3£133
Sat 19/408:15LHR - CFN
1 stop11h 45mMultiple Airlines
Wed 23/414:30CFN - LHR
1 stop4h 45mMultiple Airlines
Deal found 24/3£140
Sat 19/413:15LGW - CFN
1 stop6h 45mMultiple Airlines
Wed 23/414:30CFN - LGW
1 stop5h 45mMultiple Airlines
Deal found 24/3£140
Sat 10/515:10LHR - CFN
1 stop4h 50mAer Lingus
Fri 23/514:30CFN - LHR
1 stop4h 25mAer Lingus
Deal found 24/3£193
Sat 19/411:30LCY - CFN
1 stop8h 30mAer Lingus
Wed 23/414:30CFN - LCY
1 stop3h 50mAer Lingus
Deal found 24/3£328
Thu 17/406:45LCY - CFN
1 stop7h 15mMultiple Airlines
Mon 21/407:55CFN - LCY
1 stop26h 25mMultiple Airlines
Deal found 24/3£377
Thu 24/406:20LHR - CFN
1 stop7h 40mBritish Airways
Wed 30/407:55CFN - LHR
1 stop4h 35mBritish Airways
Deal found 24/3£435
Sat 10/512:15LCY - CFN
1 stop7h 45mBritish Airways
Fri 23/514:30CFN - LCY
1 stop6h 20mBritish Airways
Deal found 24/3£448

Cheapflights Fare Finder

Customise your flight search to find flights from London 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 25 March 2025.
Use the filters below to find and compare flights from London to Donegal that are best for you.

Fly from

London

Fly to

Donegal

Route

Depart

Return

Price

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 21/4

08:15-14:00

1 stop5h 45m

Donegal

Mon 28/4

14:30-10:15

1 stop19h 45m

£128

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 10/5

16:10-20:00

1 stop3h 50m

Donegal

Fri 23/5

14:30-20:40

1 stop6h 10m

£133

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 19/4

08:15-20:00

1 stop11h 45m

Donegal

Wed 23/4

14:30-19:15

1 stop4h 45m

£140

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Sat 19/4

13:15-20:00

1 stop6h 45m

Donegal

Wed 23/4

14:30-20:15

1 stop5h 45m

£140

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 10/5

15:10-20:00

1 stop4h 50m

Donegal

Fri 23/5

14:30-18:55

1 stop4h 25m

£193

LondonDonegal

LCY - CFN

LCYCFN

London City

Sat 19/4

11:30-20:00

1 stop8h 30m

Donegal

Wed 23/4

14:30-18:20

1 stop3h 50m

£328

LondonDonegal

LCY - CFN

LCYCFN

London City

Thu 17/4

06:45-14:00

1 stop7h 15m

Donegal

Mon 21/4

07:55-10:20

1 stop26h 25m

£377

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Thu 24/4

06:20-14:00

1 stop7h 40m

Donegal

Wed 30/4

07:55-12:30

1 stop4h 35m

£435

LondonDonegal

LCY - CFN

LCYCFN

London City

Sat 10/5

12:15-20:00

1 stop7h 45m

Donegal

Fri 23/5

14:30-20:50

1 stop6h 20m

£448

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Best time to book a flight from London to Donegal

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

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

Find hourly flight availability from London 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 25 March 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 9% on flights from London to Donegal by exploring options for tickets in the morning.

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).

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 25 March 2025.
Read through reviews of airlines operating flights from London to Donegal, such as Aer Lingus and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.0
Good
1,061 reviews
Check prices

Overall

7.0

Entertainment

6.7

Comfort

7.0

Crew

7.9

Food

6.4

Boarding

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible
Aer Lingus
7.0
Good
1,061 reviews
Aer Lingus
7.0
Good
1,061 reviews
Check prices

Overall

7.0

Entertainment

6.7

Comfort

7.0

Crew

7.9

Food

6.4

Boarding

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible
British Airways
6.6
Okay
6,712 reviews
Aer Lingus
7.0
Good
1,061 reviews
Check prices

Overall

7.0

Entertainment

6.7

Comfort

7.0

Crew

7.9

Food

6.4

Boarding

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible

Related info for your journey

Find useful and relevant information for your journey from London 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 London?

    For a flight from London to Donegal, you will be flying into Donegal. Donegal (CFN) is just 28.5 mi from the center of the city. Donegal is the only Donegal airport and it handles 0 inbound flights from London per day. 1 airline has flights to Donegal from London on a regular basis.

  • What are the cheapest airlines flying from London to Donegal round-trip?

    Cheapflights users have booked flights from London to Donegal round-trip from £193. Another airline that can offer you cheap pricing is British Airways. Aer Lingus is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from London to Donegal?

    When deciding which route to take from London to Donegal consider London Heathrow - Donegal, London City - Donegal or London Gatwick - Donegal as they are the most popular.

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

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

  • How can I find direct flights from London to Donegal?

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

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

    Yes. Cheapflights offers flight deals from London 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Alternative routes for London to Donegal

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Donegal

Discover the top airline that operate flights from London 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£181Average£249FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 London to Donegal?

When you search for this flight from London to Donegal, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Donegal for you. Better yet — we are completely free to use.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Donegal from London today and book when prices fit your budget.

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