$710 Cheap Flights from Detroit (DTW) to Donegal (CFN)

View $710 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Donegal (CFN)

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Cheap Flights from Detroit to Donegal (DTW-CFN)

Prices were available within the past 7 days and start at $710 for one-way flights and $1,012 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Feb 13 - Thu, Feb 19
DTW
Detroit
CFN
Donegal
$1,012 Roundtrip, found 6 days ago
$1,012
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Fri, Feb 13 from Detroit to Donegal, returning Thu, Feb 19, priced at $1,012 found 6 days ago
JetBlue Airways
Fri, Feb 13 - Thu, Feb 19
DTW
Detroit
CFN
Donegal
$1,019 Roundtrip, found 6 days ago
$1,019
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Fri, Feb 13 from Detroit to Donegal, returning Thu, Feb 19, priced at $1,019 found 6 days ago
JetBlue Airways
Sat, Feb 14 - Tue, Feb 24
DTW
Detroit
CFN
Donegal
$1,024 Roundtrip, found 6 days ago
$1,024
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Detroit to Donegal, returning Tue, Feb 24, priced at $1,024 found 6 days ago
JetBlue Airways
Sat, Feb 14 - Sat, Feb 21
DTW
Detroit
CFN
Donegal
$1,043 Roundtrip, found 6 days ago
$1,043
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Detroit to Donegal, returning Sat, Feb 21, priced at $1,043 found 6 days ago
JetBlue Airways
Thu, Dec 25 - Mon, Jan 12
DTW
Detroit
CFN
Donegal
$1,045 Roundtrip, found 6 days ago
$1,045
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Thu, Dec 25 from Detroit to Donegal, returning Mon, Jan 12, priced at $1,045 found 6 days ago
JetBlue Airways
Fri, Feb 13 - Thu, Feb 19
DTW
Detroit
CFN
Donegal
$1,048 Roundtrip, found 6 days ago
$1,048
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Fri, Feb 13 from Detroit to Donegal, returning Thu, Feb 19, priced at $1,048 found 6 days ago
JetBlue Airways
Sat, Feb 14 - Thu, Feb 26
DTW
Detroit
CFN
Donegal
$1,052 Roundtrip, found 6 days ago
$1,052
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Detroit to Donegal, returning Thu, Feb 26, priced at $1,052 found 6 days ago
American Airlines
Sun, Jan 18 - Fri, Jan 30
DTW
Detroit
CFN
Donegal
$1,081 Roundtrip, found 6 days ago
$1,081
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jan 18 from Detroit to Donegal, returning Fri, Jan 30, priced at $1,081 found 6 days ago
United
Mon, Jan 26 - Sat, Feb 7
DTW
Detroit
CFN
Donegal
$1,088 Roundtrip, found 6 days ago
$1,088
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 26 from Detroit to Donegal, returning Sat, Feb 7, priced at $1,088 found 6 days ago
Aer Lingus
Mon, Dec 8 - Fri, Dec 26
DTW
Detroit
CFN
Donegal
$1,160 Roundtrip, found 6 days ago
$1,160
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Mon, Dec 8 from Detroit to Donegal, returning Fri, Dec 26, priced at $1,160 found 6 days ago

Alternative airports near Donegal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Donegal CFN. Cheapest option available. Average driving time to city center is 1 hour 4 minutes. Flights from $1,523
CFN
Donegal
Cheapest
Average driving time to city center1 h 4 min
Flights from $1,523
Flights from Detroit (DTW) to Donegal (CFN)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Donegal
Roundtrip price
$1,011
Distance
3361 mi

Detroit to Donegal Flights

The cheapest times to fly from Detroit to Donegal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Donegal are during the month of February. You can find some of the cheapest flights from Detroit to Donegal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Donegal

Sunday is one of the best days to book for cheap flights from Detroit to Donegal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Donegal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Donegal in 2025. You can also book with separate airlines for your outbound and return journeys, from $710 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Donegal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Donegal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN) cost?
Secure a cheap one-way flight from $710 or cheap return flight from $1,012 from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN)?
The cheapest month to fly from DTW to CFN is February, when there's less demand. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DTW to CFN. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN)?
Direct flights from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DTW to CFN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN)?
To arrive at Donegal Airport (CFN) without delays, book a flight that leaves Detroit Metropolitan Wayne County Airport (DTW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN) last-minute?
Holding off until just before your departure to book your flight from DTW to CFN often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a DTW to CFN flight and hotel package?
Securing a DTW to CFN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Donegal Airport (CFN)?
If you booked your DTW to CFN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.