USD/US
Find cheap flights to Donegal in 2025/2026 from $425 This is the cheapest return flight found to Donegal from USA on FlightsFinder on December 12th 2025 at 15:10. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Donegal from the most established flight comparison sites.
Fly to Donegal and visit sites like Donegal Castle, Donegal Bay Waterbus, Lough Eske & Donegal Railway Heritage Centre.
1. Enter your search requirements for Donegal
2. Compare the best Donegal deals from top comparison engines
3. Book your Donegal flight at the cheapest price
These economy flights were found on FlightsFinder from USA to Donegal in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from USA to Donegal in the last few days. Prices subject to availability.
No flights found for this month.
No flights found for this month.
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According to our data, January is on average the cheapest time to book flights to Donegal.
You can get flights from $425 return.
According to our data, April is on average the most expensive time to book flights to Donegal.
A return flight could set you back more than $6,151.
Nestled along the rugged coastline of Ireland, Donegal exudes a timeless charm that captivates visitors with its stunning scenery and rich history. This picturesque city, with its colorful buildings and welcoming locals, offers a perfect blend of natural beauty and cultural heritage. From the majestic cliffs of Slieve League to the bustling streets of the town center, Donegal promises a truly immersive experience for travelers seeking a glimpse into Ireland's traditions and landscapes. Whether exploring ancient castles, sampling traditional cuisine, or simply taking in the breathtaking views, Donegal invites visitors to discover the magic of this enchanting destination.
A good price for a flight to Donegal is $383 - $468.
The popular airports near Donegal city are Donegal Airport (CFN) and Ireland West Airport Knock (NOC).
The flight to Donegal (CFN) is roughly 8 hours 59 minutes and 3,824 miles (6,154 kilometres) from Atlanta, USA - Georgia, Atlanta Hartsfield-Jackson International Airport (ATL).
The best way is to compare flights to Donegal from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Donegal.
The main airport in Donegal, Ireland, is around a 15-minute drive from the city centre.
Typically, flights are cheapest to Donegal 2 months before departure.
Studies show flights to Donegal are typically cheaper on Tuesdays and Wednesdays.
45.4 °F
Sun, 14 Dec 2025
Atlanta, USA - Georgia, Atlanta Hartsfield-Jackson International Airport (ATL) to Donegal (CFN)
Distance:
3,824 miles (6,154 kilometres)
Average flight time (direct 8 hours 59 minutes)
Los Angeles, USA - California, Los Angeles International Airport (LAX) to Donegal (CFN)
Distance:
5,035 miles (8,103 kilometres)
Average flight time (direct 11 hours 41 minutes)
New York, USA - John F Kennedy International Airport (JFK) to Donegal (CFN)
Distance:
3,067 miles (4,937 kilometres)
Average flight time (direct 7 hours 18 minutes)
Dallas, USA - Dallas, Texas Fort Worth International Airport (DFW) to Donegal (CFN)
Distance:
4,344 miles (6,990 kilometres)
Average flight time (direct 10 hours 9 minutes)
Denver, USA - Colorado, Airport - Denver International Airport (DEN) to Donegal (CFN)
Distance:
4,251 miles (6,841 kilometres)
Average flight time (direct 9 hours 56 minutes)
San Francisco, USA - California, San Francisco International Airport (SFO) to Donegal (CFN)
Distance:
4,948 miles (7,963 kilometres)
Average flight time (direct 11 hours 29 minutes)
Seattle, USA - Airport - Seattle Tacoma International, Washington (SEA) to Donegal (CFN)
Distance:
4,387 miles (7,060 kilometres)
Average flight time (direct 10 hours 14 minutes)
Las Vegas, USA - Nevada, McCarran International Airport (LAS) to Donegal (CFN)
Distance:
4,808 miles (7,738 kilometres)
Average flight time (direct 11 hours 11 minutes)
Orlando, USA - Florida, Orlando International Airport (MCO) to Donegal (CFN)
Distance:
3,971 miles (6,390 kilometres)
Average flight time (direct 9 hours 19 minutes)
Charlotte, USA - North Carolina, Douglas International Airport (CLT) to Donegal (CFN)
Distance:
3,608 miles (5,807 kilometres)
Average flight time (direct 8 hours 31 minutes)
Phoenix, USA - Arizona, Phoenix Sky Harbor International Airport (PHX) to Donegal (CFN)
Distance:
4,851 miles (7,807 kilometres)
Average flight time (direct 11 hours 16 minutes)
Houston, USA - Texas, Airport - George Bush Intercontinental (IAH) to Donegal (CFN)
Distance:
4,434 miles (7,136 kilometres)
Average flight time (direct 10 hours 21 minutes)
Miami, USA - Florida, Miami International Airport (MIA) to Donegal (CFN)
Distance:
4,070 miles (6,550 kilometres)
Average flight time (direct 9 hours 32 minutes)
Boston, USA - Massachusetts, Edward L. Logan International Airport (BOS) to Donegal (CFN)
Distance:
2,881 miles (4,636 kilometres)
Average flight time (direct 6 hours 54 minutes)
Minneapolis, USA - Minnesota, Airport - St. Paul International (MSP) to Donegal (CFN)
Distance:
3,598 miles (5,791 kilometres)
Average flight time (direct 8 hours 29 minutes)
Fort Lauderdale, USA - Florida, Fort Lauderdale-Hollywood International Airport (FLL) to Donegal (CFN)
Distance:
4,050 miles (6,517 kilometres)
Average flight time (direct 9 hours 29 minutes)
Detroit, USA - Michigan, Airport - Metropolitan Wayne County International (DTW) to Donegal (CFN)
Distance:
3,363 miles (5,412 kilometres)
Average flight time (direct 7 hours 58 minutes)
Philadelphia, USA - Pennsylvania, Airport - Philadelphia International (PHL) to Donegal (CFN)
Distance:
3,160 miles (5,086 kilometres)
Average flight time (direct 7 hours 31 minutes)
Baltimore, USA - Maryland, Baltimore/Washington International Airport (BWI) to Donegal (CFN)
Distance:
3,249 miles (5,228 kilometres)
Average flight time (direct 7 hours 43 minutes)
Salt Lake City, USA - Utah, Salt Lake City International Airport (SLC) to Donegal (CFN)
Distance:
4,445 miles (7,154 kilometres)
Average flight time (direct 10 hours 22 minutes)
San Diego, USA - California, San Diego International Airport (SAN) to Donegal (CFN)
Distance:
5,064 miles (8,150 kilometres)
Average flight time (direct 11 hours 45 minutes)
Tampa, USA - Florida, Tampa International Airport (TPA) to Donegal (CFN)
Distance:
4,043 miles (6,506 kilometres)
Average flight time (direct 9 hours 29 minutes)
Portland, USA - International Airport, Oregon (PDX) to Donegal (CFN)
Distance:
4,499 miles (7,241 kilometres)
Average flight time (direct 10 hours 29 minutes)
From Boston (BOS), USA to Donegal, Ireland (CFN): $458
Depart: 12 Feb 2026 · Return: 20 Feb 2026 Price found 11 Dec 2025, 18:26
From Denver (DEN), USA to Donegal, Ireland (CFN): $767
Depart: 04 Feb 2026 · Return: 11 Feb 2026 Price found 11 Dec 2025, 04:55
From Washington D.C. (BWI), USA to Donegal, Ireland (CFN): $774
Depart: 25 Jan 2026 · Return: 01 Feb 2026 Price found 11 Dec 2025, 19:20
From Dallas (DFW), USA to Donegal, Ireland (CFN): $887
Depart: 13 Feb 2026 · Return: 21 Feb 2026 Price found 13 Dec 2025, 20:07
From San Francisco (SFO), USA to Donegal, Ireland (CFN): $917
Depart: 27 Jan 2026 · Return: 03 Feb 2026 Price found 13 Dec 2025, 06:51
From Las Vegas (LAS), USA to Donegal, Ireland (CFN): $1,445
Depart: 17 Dec 2025 · Return: 31 Jan 2026 Price found 12 Dec 2025, 07:55
From Atlanta (ATL), USA to Donegal, Ireland (CFN): $1,535
Depart: 21 Dec 2025 · Return: 28 Dec 2025 Price found 14 Dec 2025, 16:12
From Orlando (MCO), USA to Donegal, Ireland (CFN): $1,717
Depart: 30 Dec 2025 · Return: 03 Jan 2026 Price found 13 Dec 2025, 16:36
From Houston (IAH), USA to Donegal, Ireland (CFN): $1,935
Depart: 20 Dec 2025 · Return: 27 Dec 2025 Price found 13 Dec 2025, 17:55
From Seattle (SEA), USA to Donegal, Ireland (CFN): $1,982
Depart: 26 Dec 2025 · Return: 30 Dec 2025 Price found 11 Dec 2025, 07:17
From Portland (PDX), USA to Donegal, Ireland (CFN): $6,151
Depart: 10 Apr 2026 · Return: 17 Apr 2026 Price found 14 Dec 2025, 01:21
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