
$497 Cheap Aer Lingus flights from Denver to Donegal (DEN to CFN)
Find The Best Day To Fly from Denver to Donegal
Amazing Aer Lingus DEN to CFN Flight Deals
The cheapest flights to Donegal found within the past 7 days were $790 round trip and $497 one way. Prices and availability subject to change. Additional terms may apply.
Discover our best Aer Lingus flight from Denver DEN to Donegal CFN
To find the best deals on flights to Denver from Donegal with Aer Lingus, just enter your travel dates, filter by Aer Lingus, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Denver DEN to Donegal CFN with Aer Lingus
If you’re planning a round trip, booking return flights with Aer Lingus is usually the most cost-effective option. With airfares ranging from $790 to $1,122, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Aer Lingus flights from Denver DEN to Donegal CFN
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Aer Lingus flight from Denver to Donegal costs from $497. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Donegal CFN from Denver DEN with Aer Lingus
To find a cheap Aer Lingus flight from Denver DEN to Donegal CFN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Aer Lingus flights from Denver DEN to Donegal CFN
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover.
Find nonstop flights from Denver DEN to Donegal CFN with Aer Lingus
If you’re keen to be on Donegal soil fast, don’t waste time with a stopover—filter your search results to show direct Aer Lingus flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Aer Lingus flights from Denver DEN to Donegal CFN
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Donegal CFN from Denver DEN with Aer Lingus on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ORD | USA | O'Hare Intl. | 43 |
| DUB | IRL | Dublin | 16 |
| LHR | GBR | Heathrow | 7 |
| BOS | USA | Logan Intl. | 7 |
| JFK | USA | John F. Kennedy Intl. | 5 |
| IAH | USA | George Bush Intercontinental | 4 |
| MSN | USA | Dane County Regional | 4 |
| LAX | USA | Los Angeles Intl. | 3 |
| STL | USA | Lambert-St. Louis Intl. | 3 |
| BNA | USA | Nashville Intl. | 3 |
Travelers ❤️ these 🏨 after their flight to Donegal

Mullaghduff Thatched Cottage on the Wild Atlantic Way, near Kincasslagh, Donegal
"Mullaghduff is NOT a thatched cottage despite the name and the pictures on the website. It may have been at one time but we were told the thatch burnt off several years ago. Now it has just a cheap tin roof. Not sure how much insulation that would provide in the winter as we were there in the summer. ..."
Reviewed on Jun 26, 2026

Caisleain Oir Hotel
"The hotel is close to everything in Sligo, the staff are exceptional, and the standard is very high. We have traveled around Ireland these past two weeks and it’s probably the best place we stayed at."
Reviewed on Jun 4, 2026

Peaceful location,Superb sea views,on the 'Wild Atlantic Way'! ...With internet.
"Oh my goodness! What a fab place to stay! Excellant communication with owner and cannot fault one thing about our stay! Clean, comfortable, and in a very scenic part of Ireland with some of the best beaches iv ever seen at every turn! We were last in the area 32 yrs ago with my late parents and i ..."
Reviewed on Jun 28, 2026
More Ways To Wander
Explore More Ways to Travel with Travelocity
- B&B in Dungloe
- Dungloe Hotels
- B&B in Narin-Portnoo
- Narin-Portnoo Hotels
- Holiday Park Resorts in Ardara
- Luxury Hotels in Ardara
- Ardara Hotels
- Safari Camps in Ardara
- Rosbeg Hotels
- Portnablagh Hotels
- B&B in Gortahork
- Cottages in Naran
- Cheap Hotels in Naran
- Kid Friendly Hotels in Naran
- Hotels with Bar in Naran
- Pet Friendly Hotels in Naran
- Hotel Wedding Venues Hotels in Naran
- Naran Hotels
- Resorts in Naran
- Hotels near Dooey Beach
- Beach Resorts & in Doochary
- Doochary Hotels
- B&B in Dunfanaghy
- Cabins in Dunfanaghy
- Dunlewy Hotels
- B&B in Creeslough
- Creeslough Hotels
- Braade Hotels
- Fintown Hotels
- Mullaghderg Hotels
- Guest Houses in Carrick
- Carrick Hotels
- Gweedore Hotels
- Falcarragh Hotels
- Carrigart Hotels
- Hotels near Glenveagh National Park
- Cheap Hotels in Downings
- Downings Hotels
- Resorts in Downings
- Apartments in Arranmore Island
- Cottages in Arranmore Island
- Guest Houses in Arranmore Island
- Hostels in Arranmore Island
- Arranmore Island Hotels
- Hotels near Bluestack Mountains
- Termon Hotels
- Burtonport Hotels
- Lodges in Burtonport
- Glenties Hotels
- Tory Island Hotels
- B&B in Mullaghdoo Scotch
- Hotels near Mount Errigal
- Kilmacrennan Hotels
- Church Hill Hotels
- Annagry Hotels
- Bunbeg Hotels
- Cloghan Hotels
