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Cheap flights from London Heathrow Airport to Donegal from £111

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CFN
22 Jan — 29 Jan1
1 adult

Cheap flight deals from Heathrow to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 17 January 2025.

Round-trip from

£201

One-way from

£111

Popular in

December

Cheapest in

September

Average price

£206
7/2-10/2
  • 7/2-10/2
  • 2 total stops
  • 8h 25m total
  • London to Donegal
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Aer Lingus
  • Aer Lingus
  • 15/2
  • 1 total stop
  • 4h 40m total
  • London to Donegal
Search Deals
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 9% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to Donegal

Cheapest flights from Heathrow to Donegal
Explore the most affordable flight options available from Heathrow to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Fri 7/215:55LHR - CFN
1 stop4h 05mMultiple Airlines
Mon 10/207:55CFN - LHR
1 stop4h 20mMultiple Airlines
Deal found 16/1£201
Sat 1/218:25LHR - CFN
1 stop18h 25mBritish Airways
Mon 3/213:15CFN - LHR
1 stop5h 55mBritish Airways
Deal found 16/1£419

Find flights from Heathrow to Donegal within your budget

Customise your flight search to find flights from Heathrow 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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Fri 7/2

15:55-20:00

1 stop4h 05m

Donegal

Mon 10/2

07:55-12:15

1 stop4h 20m

£201

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 1/2

18:25-12:50

1 stop18h 25m

Donegal

Mon 3/2

13:15-19:10

1 stop5h 55m

£419

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 15/2

15:20-20:00

1 stop4h 40m

£111

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 15/2

22:35-12:50

2 stops14h 15m

£375

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Best time to book a flight from Heathrow to Donegal

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

Travel insights for flights from Heathrow to Donegal

Get recent, data-driven insights about flights from Heathrow to Donegal including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Heathrow 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 17 January 2025.

It’s typically best to fly out from London Heathrow Airport to Donegal in the morning. Doing so could potentially save you 21% on the flight price compared to flying at midday, which is usually more expensive.

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 17 January 2025.
Aer Lingus
7.1
Good
1,077 reviews
Check prices

Crew

7.9

Comfort

7.0

Food

6.4

Overall

7.1

Boarding

7.2

Entertainment

6.8

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

Aer Lingus
7.1
Good
1,077 reviews
Aer Lingus
7.1
Good
1,077 reviews
Check prices

Crew

7.9

Comfort

7.0

Food

6.4

Overall

7.1

Boarding

7.2

Entertainment

6.8

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

British Airways
6.6
Okay
6,824 reviews
Aer Lingus
7.1
Good
1,077 reviews
Check prices

Crew

7.9

Comfort

7.0

Food

6.4

Overall

7.1

Boarding

7.2

Entertainment

6.8

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

Related info for your journey

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

    Donegal (CFN) is the airport you will fly into if you book a flight from London Heathrow to Donegal. You should not have trouble finding flights to Donegal from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Donegal airport from London Heathrow. It is only a 28.5 mi journey from Donegal (CFN) to Donegal’s city center.

  • What is the cheapest airline to fly from London Heathrow Airport to Donegal round-trip?

    According to our current data, British Airways (£419), offers the cheapest pricing from London Heathrow Airport to Donegal.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Letterkenny
Bundoran
Killybegs

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Alternative routes for Heathrow 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 Heathrow to Donegal

Discover the top airline that operate flights from Heathrow 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£183Average£261FlexibilityNo 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 Heathrow to Donegal?

Cheapflights helps you search for flights from Heathrow to Donegal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Donegal from Heathrow.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Donegal flexibly with Cheapflights today.

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

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

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