$741 Cheap Flights from Las Vegas (LAS) to Londonderry (LDY)

View $741 flight on Fri, Nov 7, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Londonderry (LDY-City of Derry)

Cheap Flights from Las Vegas to Londonderry (LAS-LDY)

Prices were available within the past 7 days and start at $741 for one-way flights and $1,152 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,152 Roundtrip, found 4 days ago
$1,152
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,152 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,181 Roundtrip, found 4 days ago
$1,181
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,181 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,195 Roundtrip, found 4 days ago
$1,195
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,195 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,202 Roundtrip, found 4 days ago
$1,202
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,202 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,215 Roundtrip, found 4 days ago
$1,215
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,215 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,243 Roundtrip, found 4 days ago
$1,243
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,243 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,257 Roundtrip, found 4 days ago
$1,257
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,257 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,264 Roundtrip, found 4 days ago
$1,264
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,264 found 4 days ago
British Airways
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,434 Roundtrip, found 4 days ago
$1,434
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,434 found 4 days ago
British Airways
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,675 Roundtrip, found 4 days ago
$1,675
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,675 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,684 Roundtrip, found 4 days ago
$1,684
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,684 found 4 days ago
British Airways
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,691 Roundtrip, found 4 days ago
$1,691
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,691 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,846 Roundtrip, found 4 days ago
$1,846
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,846 found 4 days ago
Alaska Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
LDY
Londonderry
$1,954 Roundtrip, found 4 days ago
$1,954
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Nov 7 from Las Vegas to Londonderry, returning Tue, Nov 11, priced at $1,954 found 4 days ago
British Airways
Fri, Nov 21 - Fri, Nov 28
LAS
Las Vegas
LDY
Londonderry
$1,969 Roundtrip, found 12 hours ago
$1,969
Roundtrip
found 12 hours ago
Select British Airways flight, departing Fri, Nov 21 from Las Vegas to Londonderry, returning Fri, Nov 28, priced at $1,969 found 12 hours ago
British Airways
Fri, Nov 21 - Fri, Nov 28
LAS
Las Vegas
LDY
Londonderry
$2,245 Roundtrip, found 12 hours ago
$2,245
Roundtrip
found 12 hours ago
Select British Airways flight, departing Fri, Nov 21 from Las Vegas to Londonderry, returning Fri, Nov 28, priced at $2,245 found 12 hours ago
British Airways
Fri, Nov 21 - Fri, Nov 28
LAS
Las Vegas
LDY
Londonderry
$2,259 Roundtrip, found 12 hours ago
$2,259
Roundtrip
found 12 hours ago
Select British Airways flight, departing Fri, Nov 21 from Las Vegas to Londonderry, returning Fri, Nov 28, priced at $2,259 found 12 hours ago
Alaska Airlines
Fri, Nov 21 - Fri, Nov 28
LAS
Las Vegas
LDY
Londonderry
$2,395 Roundtrip, found 12 hours ago
$2,395
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Fri, Nov 21 from Las Vegas to Londonderry, returning Fri, Nov 28, priced at $2,395 found 12 hours ago

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY) cost?
Snag a cheap one-way flight from $741 or cheap return flight from $1,152 from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY)?
Flying in November is a great way to save, as it's the cheapest month for flights between LAS and LDY. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY)?
To find the cheapest airline flying from LAS to LDY, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY)?
There aren't any daily direct flights from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from LAS to LDY?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY)?
Select a flight from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY) that leaves before 3 PM to reduce the risk 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 Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY) last-minute?
Holding off until just before your departure to book your flight from LAS to LDY generally means paying more. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a LAS to LDY flight and hotel package?
Compared with arranging hotels and flights separately, booking a LAS to LDY flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to City of Derry Airport (LDY)?
If you reserved your LAS to LDY flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
City of Derry
Roundtrip price
$1,152
Distance
4845 mi

Book with confidence

Las Vegas to Londonderry Flights

The cheapest times to fly from Las Vegas to Londonderry

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

 

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

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

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 Las Vegas to Londonderry in 2025. You can also book with separate airlines for your outbound and return journeys, from $741 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 Las Vegas to Londonderry 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 Las Vegas to Londonderry 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.

 

Las Vegas to Londonderry Flights

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*Available to One Key members.