$745 Cheap Flights from Donegal (CFN) to Las Vegas (LAS)

View $745 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Donegal (CFN) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Donegal to Las Vegas (CFN-LAS)

Prices were available within the past 7 days and start at $745 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS) cost?
Snag a cheap one-way flight from $745 or cheap return flight from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS)?
Flying in is a great way to save, as it's the cheapest month for flights between CFN and LAS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS)?
To find the cheapest airline flying from CFN to LAS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS)?
You'll need to hop on a flight with a layover when traveling from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from CFN to LAS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS)?
Book a flight from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until right before your break to book a ticket from CFN to LAS generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a CFN to LAS flight and hotel package?
You'll generally save money by securing a CFN to LAS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Donegal Airport (CFN) to Harry Reid Intl. Airport (LAS)?
In most instances, you can cancel or modify your CFN to LAS flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Donegal
Destination airport
Harry Reid Intl.
Distance
4807 mi

Book with confidence

Donegal to Las Vegas Flights

The cheapest times to fly from Donegal to Las Vegas

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 Donegal to Las Vegas are during the month of . You can find some of the cheapest flights from Donegal to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Donegal to Las Vegas

Sunday is one of the best days to book for cheap flights from Donegal to Las Vegas: 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 Donegal to Las Vegas

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 Donegal to Las Vegas in 2026. You can also book with separate airlines for your outbound and return journeys, from $745 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 Donegal to Las Vegas 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 Donegal to Las Vegas 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.

 

Donegal to Las Vegas Flights

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*Available to One Key members.