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Cheap flights from London City Airport to Donegal from €172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London City Airport to Donegal departing on 20/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London City Airport to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
13:15 - 20:00
LCY
-
CFN
6h 45m
1 stop
Aer Lingus Logo
13:00 - 10:25
CFN
-
LCY
21h 25m
1 stop
€490Aer Lingus
Sun, 8 Mar - Sun, 15 Mar
British Airways Logo
11:25 - 20:00
LCY
-
CFN
8h 35m
1 stop
British Airways Logo
13:00 - 12:40
CFN
-
LCY
23h 40m
1 stop
€578British Airways
Sat, 21 Mar - Sun, 22 Mar
Multiple Airlines Logo
13:15 - 20:00
LCY
-
CFN
6h 45m
1 stop
Multiple Airlines Logo
13:00 - 21:30
CFN
-
LCY
8h 30m
1 stop
€747Multiple Airlines
Sun, 8 Mar - Sun, 15 Mar

Aer Lingus flights from London City Airport to Donegal

Our best Aer Lingus deals on London City Airport to Donegal flight tickets
Aer Lingus
8 Mar
LCY13:15London City
6h 45m
1 stop
CFN20:00Donegal
15 Mar
CFN13:00Donegal
21h 25m
1 stop
LCY10:25London City
€490
Aer Lingus
31 Jan
LCY11:25London City
8h 35m
1 stop
CFN20:00Donegal
4 Feb
CFN14:30Donegal
7h 00m
1 stop
LCY21:30London City
€509

momondo Fare Finder

 
Customise your flight search to find flights from London City Airport 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, momondo users made 13,528 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from London City Airport to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDonegal

LCY - CFN

LCYCFN

London City

Sun 8/3

13:15-20:00

1 stop6h 45m

Donegal

Sun 15/3

13:00-10:25

1 stop21h 25m

€490

LondonDonegal

LCY - CFN

LCYCFN

London City

Sat 21/3

11:25-20:00

1 stop8h 35m

Donegal

Sun 22/3

13:00-12:40

1 stop23h 40m

€578

LondonDonegal

LCY - CFN

LCYCFN

London City

Sun 8/3

13:15-20:00

1 stop6h 45m

Donegal

Sun 15/3

13:00-21:30

1 stop8h 30m

€747

LondonDonegal

LCY - CFN

LCYCFN

London City

Fri 20/2

06:50-20:00

1 stop13h 10m

€172

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from London City Airport to Donegal

Are you open to changing your travel dates? Check out the ideal times to fly from London City Airport to Donegal according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London City Airport to Donegal (LCY to CFN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London City Airport to Donegal

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from London City Airport to Donegal takes 4h 50m
There are no direct flights from London City Airport to Donegal. There are no popular flight routes from London City Airport to Donegal.
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  • How far is London City to Donegal by plane?

    The straight-line distance from London City to Donegal is 646.8 km. By plane, this route typically takes 4h 50m.

  • When did momondo last update prices for flights from London City Airport to Donegal Airport?

    Prices for flights from London City Airport to Donegal Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London City Airport to Donegal Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London City Airport to Donegal Airport.

  • What documentation or ID do you need to fly to Donegal Airport?

    The necessary travel and health documents for your Donegal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from London City Airport to Donegal?

    Search flight deals from London City Airport to Donegal. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from London City Airport to Donegal with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Donegal?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Donegal?

It is quick and easy to find London to Donegal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Donegal that suits you.

Can I find flights from London to Donegal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Donegal from London with this policy.

How can momondo help me find flights from London to Donegal?

momondo provides multiple filters to help you find the best flight to Donegal from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Donegal right now. Can momondo alert me if prices change?

Price alerts on flights to Donegal from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Donegal trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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