Cheap Flights to County Donegal from $229 (2025/2026)

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A wrecked fishing boat "Sabrina" in its final resting place on the banks of Mulroy Bay in County Donegal, Ireland.

Letterkenny

Flights
Letterkenny

How Much Does it Cost To Fly To County Donegal?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $440 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$442 Roundtrip, found 1 day ago
$442
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $442 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$445 Roundtrip, found 1 day ago
$445
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $445 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$447 Roundtrip, found 1 day ago
$447
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $447 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $449 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $449 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$452 Roundtrip, found 1 day ago
$452
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $452 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
LHR
Heathrow
CFN
Donegal
$452 Roundtrip, found 1 day ago
$452
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 1 from Heathrow to Donegal, returning Sat, Nov 8, priced at $452 found 1 day ago
Sun, Jan 18 - Tue, Feb 3
ORD
O'Hare Intl.
CFN
Donegal
$563 Roundtrip, found 4 days ago
$563
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sun, Jan 18 from O'Hare Intl. to Donegal, returning Tue, Feb 3, priced at $563 found 4 days ago
Fri, Oct 17 - Thu, Oct 23
DEN
Denver Intl.
CFN
Donegal
$578 Roundtrip, found 2 hours ago
$578
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Fri, Oct 17 from Denver Intl. to Donegal, returning Thu, Oct 23, priced at $578 found 2 hours ago
Tue, Nov 25 - Sun, Nov 30
PHL
Philadelphia Intl.
CFN
Donegal
$613 Roundtrip, found 22 hours ago
$613
Roundtrip
found 22 hours ago
Select Aer Lingus flight, departing Tue, Nov 25 from Philadelphia Intl. to Donegal, returning Sun, Nov 30, priced at $613 found 22 hours ago
OriginDestinationTravel DatesFlights From*
DUBBraadeOctober 3 to October 4$82
LHRBraadeNovember 1 to November 8$440
*Prices include taxes and fees

Travelers ❤️ These County Donegal 🏨

The Central Hotel Donegal

The Central Hotel Donegal

3 out of 5
The Diamond, Donegal, County Donegal
Stay at this 3-star hotel in Donegal. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the helpful staff in our reviews. Popular attractions Diamond Obelisk and Killaghtee Old Church are located nearby.
8.4/10 Very Good! (510 reviews)
"The the little town. Friendly people."

Reviewed on Sep 13, 2025

Opens in a new windowThe Central Hotel Donegal
The Abbey Hotel Donegal

The Abbey Hotel Donegal

3 out of 5
The Diamond, Donegal, County Donegal
Stay at this 3-star hotel in Donegal. Enjoy free WiFi, 2 bars/lounges, and a nightclub. Our guests praise the helpful staff in our reviews. Popular attractions Diamond Obelisk and Killaghtee Old Church are located nearby.
8/10 Very Good! (673 reviews)
"This hotel is amazing! Clean, quiet and the food here is great! Staff at the bar restaurant were amazing! Great Irish music at night too. No onsite parking but lots of parking close by."

Reviewed on Aug 29, 2025

Opens in a new windowThe Abbey Hotel Donegal
Station House Hotel

Station House Hotel

3 out of 5
Lower Main Street, Letterkenny, Donegal
Stay at this 3-star business-friendly hotel in Letterkenny. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff in our reviews. Popular attractions Amazonas Outdoor - Indoor Airsoft Firing Range and Letterkenny Leisure Centre are located nearby.
8.8/10 Excellent! (501 reviews)
"Great location"

Reviewed on Sep 14, 2025

Opens in a new windowStation House Hotel
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Mill Park Hotel

Mill Park Hotel

4 out of 5
The Mullins, Donegal, Donegal
Stay at this 4-star business-friendly hotel in Donegal. Enjoy free WiFi, room service, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Donegal Castle and Killaghtee Old Church are located nearby.
9.4/10 Exceptional! (979 reviews)
Weekend break
"Everything was excellent.."

Reviewed on Sep 8, 2025

Opens in a new windowMill Park Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to County Donegal?
Your next trip doesn't have to cost a fortune. During the last seven days, the cheapest return flight to County Donegal cost $82. Find a bargain fare and spend the dollars you save on unforgettable experiences. This price was available on Travelocity for flights to County Donegal departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to County Donegal?
Pick from 20 airline companies when you're ready to organize your flight to County Donegal. Let Amapola take you there. This leading carrier has 60 services each month to Letterkenny, County Donegal's major city.
What is the cheapest month to fly to County Donegal?
Make sure you leave November free in your calendar, because it's the cheapest time to jet to County Donegal. That's according to Travelocity's direct flight demand from January to December last year. With more cash in your wallet, you can go on a shopping binge, go to a fancy restaurant or whatever else you feel like!
How can I check my flight status to County Donegal?
Go to Travelocity's customer portal, Trips. You'll find almost everything related to your flight to County Donegal here, including important details about flight status, gate numbers and more. You can find Trips at the top of the Travelocity homepage. Log in to your free account and find the answers you need. Or, access your itinerary while you're traveling and get real-time travel updates through the Travelocity app. You'll find all your itineraries in one place, so you can quickly share details with any members of your family flying with you.
How do I find the best deals on flights to County Donegal?
Be flexible with your travel dates and there's a good chance you'll find a sensational deal. After you've searched for flights on Travelocity, click the "Flexible dates" box above your results to reveal prices for surrounding days. Also try to book in advance and avoid peak periods. In the last seven days, the lowest price for a roundtrip flight to County Donegal was $82. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to County Donegal with Travelocity?
Where to start! With cheap flights to County Donegal, accommodations and activities, you'll find all you need to create your perfect trip with Travelocity. Book your cheap family flights and take advantage of our 24/7 Virtual Agent online chat and free cancellations on most hotels if necessary. Our goal is to provide stress-free travel every time you book with us so that you can spend less time on the nitty-gritty and more time having fun with your crew.
How much is a flight to County Donegal on average?
Based on prices found over the last seven days, roundtrip flights to County Donegal were between $82 and $613. When you're ready to jet off, Travelocity will help you find a fare to fit your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What can I expect on a flight to County Donegal?
That depends on several factors. Is your flight to County Donegal short and snappy or many hours long? Are you jetting off with a full-service airline or a low-cost option? These things will influence your experience while on board. If your flight is classed as long haul, a good number of airlines include drinks, food and entertainment. Low-cost carriers are a good option when it comes to cheap flights for family vacations and quick trips. But, typically they won't have the same inclusions as a full-service carrier.

Destinations in County Donegal

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.