Cheap flights from London Luton Airport to Donegal from £91

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — CFN
9 Jul — 16 Jul1
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 9 June 2026.

Wed 1/706:15
LTN
-
CFN
1 stop7h 45m
Multiple Airlines
Wed 8/707:55
CFN
-
LTN
1 stop7h 35m
Multiple Airlines
Deal found 8/6£118
Thu 2/709:25
LTN
-
CFN
1 stop4h 35m
Multiple Airlines
Wed 8/707:55
CFN
-
LTN
1 stop5h 30m
Multiple Airlines
Deal found 9/6£130
Thu 23/713:00
LTN
-
CFN
1 stop7h 00m
Multiple Airlines
Wed 29/707:55
CFN
-
LTN
1 stop7h 35m
Multiple Airlines
Deal found 8/6£148
Thu 16/715:50
LTN
-
CFN
1 stop4h 10m
Multiple Airlines
Thu 23/707:55
CFN
-
LTN
1 stop13h 20m
Multiple Airlines
Deal found 6/6£151
Sat 15/809:00
LTN
-
CFN
1 stop5h 00m
Multiple Airlines
Sat 22/814:30
CFN
-
LTN
1 stop17h 50m
Multiple Airlines
Deal found 5/6£156
Sun 16/809:00
LTN
-
CFN
1 stop5h 00m
Multiple Airlines
Sat 22/814:30
CFN
-
LTN
1 stop17h 50m
Multiple Airlines
Deal found 5/6£159
Mon 20/708:15
LTN
-
CFN
1 stop5h 45m
Multiple Airlines
Mon 27/707:55
CFN
-
LTN
1 stop3h 30m
Multiple Airlines
Deal found 5/6£169
Sat 22/814:25
LTN
-
CFN
1 stop5h 35m
Multiple Airlines
Sat 29/814:30
CFN
-
LTN
1 stop10h 00m
Multiple Airlines
Deal found 7/6£181
Tue 7/721:30
LTN
-
CFN
2 stops16h 30m
Multiple Airlines
Sun 12/714:30
CFN
-
LTN
1 stop7h 25m
Multiple Airlines
Deal found 5/6£227

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 9 June 2026.

Round-trip from

£118

One-way from

£91
1/7-8/7
  • 1/7-8/7
  • 2 total stops
  • 15h 20m total
  • London to Donegal
8/7
  • 8/7
  • 2 total stops
  • 22h 05m total
  • London to Donegal

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 9 June 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 - CFN

LTNCFN

London Luton

Wed 1/7

06:15-14:00

1 stop7h 45m

Donegal

Wed 8/7

07:55-15:30

1 stop7h 35m

£118

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 2/7

09:25-14:00

1 stop4h 35m

Donegal

Wed 8/7

07:55-13:25

1 stop5h 30m

£130

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 16/7

15:50-20:00

1 stop4h 10m

Donegal

Thu 23/7

07:55-21:15

1 stop13h 20m

£151

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 15/8

09:00-14:00

1 stop5h 00m

Donegal

Sat 22/8

14:30-08:20

1 stop17h 50m

£156

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sun 16/8

09:00-14:00

1 stop5h 00m

Donegal

Sat 22/8

14:30-08:20

1 stop17h 50m

£159
Fastest return journey

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 20/7

08:15-14:00

1 stop5h 45m

Donegal

Mon 27/7

07:55-11:25

1 stop3h 30m

£169

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 22/8

14:25-20:00

1 stop5h 35m

Donegal

Sat 29/8

14:30-00:30

1 stop10h 00m

£181

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Tue 7/7

21:30-14:00

2 stops16h 30m

Donegal

Sun 12/7

14:30-21:55

1 stop7h 25m

£227

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 17/8

08:15-20:00

1 stop11h 45m

Donegal

Thu 20/8

07:55-15:25

1 stop7h 30m

£244

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sun 5/7

09:00-18:45

2 stops9h 45m

Donegal

Sun 12/7

14:30-21:55

1 stop7h 25m

£387

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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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