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Cheap flights from London Luton Airport to Donegal from £114

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — CFN
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Donegal

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Donegal
Explore the most affordable flight options available from Luton to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 August 2026.

Wed 2/906:15 -
1 stop7h 45m
Thu 3/914:30 -
1 stop6h 45m
Deal found 6/8£114
Thu 17/915:50 -
1 stop4h 10m
Wed 23/907:55 -
1 stop5h 30m
Deal found 9/8£121
Thu 24/915:50 -
1 stop4h 10m
Thu 1/1007:55 -
1 stop4h 40m
Deal found 10/8£123
Mon 9/1116:00 -
1 stop4h 00m
Thu 12/1114:30 -
1 stop6h 35m
Deal found 8/8£133
Mon 14/908:15 -
1 stop5h 45m
Sat 19/907:55 -
1 stop6h 05m
Deal found 10/8£135
Mon 28/914:25 -
1 stop5h 35m
Fri 2/1007:55 -
1 stop4h 30m
Deal found 8/8£138
Mon 7/914:25 -
1 stop5h 35m
Mon 14/907:55 -
1 stop3h 30m
Deal found 8/8£144
Sun 6/909:00 -
1 stop5h 00m
Sun 13/907:55 -
1 stop8h 10m
Deal found 7/8£149
Thu 24/915:50 -
1 stop4h 10m
Sun 27/914:30 -
1 stop7h 25m
Deal found 7/8£160
Sun 20/909:00 -
1 stop5h 00m
Sun 27/914:30 -
1 stop7h 25m
Deal found 6/8£163

Find flight deals from Luton to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) 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 11 August 2026.

Round-trip from

£114
2/9-3/9
  • 2/9-3/9
  • 2 total stops
  • 14h 30m total
  • London to Donegal
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton 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 11 August 2026.
Use the filters below to find and compare flights from London Luton Airport to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Thu 17/9

15:50-20:00

1 stop4h 10m

Donegal

Wed 23/9

07:55-13:25

1 stop5h 30m

£121

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Thu 17/9

15:50-20:00

1 stop4h 10m

Donegal

Mon 21/9

07:55-13:25

1 stop5h 30m

£122
Fastest return journey

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Thu 24/9

15:50-20:00

1 stop4h 10m

Donegal

Thu 1/10

07:55-12:35

1 stop4h 40m

£123

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Mon 14/9

08:15-14:00

1 stop5h 45m

Donegal

Sat 19/9

07:55-14:00

1 stop6h 05m

£135

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Mon 7/9

14:25-20:00

1 stop5h 35m

Donegal

Mon 14/9

07:55-11:25

1 stop3h 30m

£144

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Sun 20/9

09:00-14:00

1 stop5h 00m

Donegal

Sun 27/9

14:30-21:55

1 stop7h 25m

£163

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Fri 28/8

06:20-14:00

1 stop7h 40m

Donegal

Mon 31/8

14:30-09:15

1 stop18h 45m

£164

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Wed 2/9

06:15-14:00

1 stop7h 45m

Donegal

Thu 3/9

07:55-22:15

2 stops14h 20m

£181

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Sun 6/9

07:15-20:00

2 stops12h 45m

Donegal

Sun 13/9

07:55-16:05

1 stop8h 10m

£196

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Sorted by cheapest first

Best time to book a flight from Luton to Donegal

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

Related info for your journey

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

    Located just 28.5 mi from the city center, Donegal is the airport most travelers will use when flying to Donegal from London Luton. Booking flights from London Luton to Donegal (CFN) should be relatively easy as there are 0 daily inbound flights from London Luton from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luton 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 Donegal?

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

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How does Cheapflights help users find flights from Luton to Donegal?

Deals for Luton to Donegal flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Luton to Donegal by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, Cheapflights offers price alerts on Luton 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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