Question 1

Why should I use momondo to find a flight deal to Las Vegas?

Accepted Answer

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas.

Question 2

Can I find flights to Las Vegas with flexible booking policies on momondo?

Accepted Answer

Flights to Las Vegas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

Question 3

How can momondo help me find flights to Las Vegas?

Accepted Answer

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Las Vegas.

Question 4

I’m not ready to book a flight to Las Vegas right now. Can momondo alert me if prices change?

Accepted Answer

If you are not ready to book a flight to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Las Vegas and let you know when they change.

Question 5

How far in advance should I book a flight to Las Vegas?

Accepted Answer

The best time to book a flight to Las Vegas from Ireland is 75 days out, which is when prices tend to be around €609. In the past 72 hours, momondo users found flights from Ireland to Las Vegas for as low as €437.

Question 6

Is there an alternative airport near Las Vegas?

Accepted Answer

Those flying to Las Vegas could potentially find better pricing at Las Vegas Boulder City Airport (36 km from Las Vegas city centre), Meadview Grand Canyon West Airport (120 km from Las Vegas city centre) or Bullhead City Laughlin Bullhead Airport (124 km from Las Vegas city centre) depending on the month and departure airport.

Question 7

Which airlines fly to Las Vegas?

Accepted Answer

When flying to Las Vegas from Ireland, momondo travellers will most often fly with one of these popular airlines: Aer Lingus, British Airways, American Airlines or Iberia. Depending on what airport in Ireland you fly from, you may be able to find flights with any of these popular airlines.

Question 8

Delta Flights to Las Vegas

Accepted Answer

The most popular airline for flights to Las Vegas on momondo is Delta, which operates 33 flights in this direction every week. Most depart out of Atlanta Hartsfield-Jackson, with the best deal for Delta flights to Las Vegas being €417 (return, Dublin to Las Vegas, momondo searches within the last 72 hours). In 8,555 Delta reviews, it is rated 7.8 by momondo users.

Question 9

KLM Flights to Las Vegas

Accepted Answer

KLM flight deals to Las Vegas start from €430 - this is the best price found recently on momondo, and was a return journey departing from Dublin. Over any normal week, KLM flight prices are typically higher, but vary depending on where you fly from - New York John F Kennedy Intl is the most popular KLM departure point to Las Vegas so generally has the most availability. KLM is scored a 7.8/10 in 1,571 reviews.

Question 10

When did momondo last update prices for flights to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Prices for flights to Las Vegas Harry Reid Intl Airport were last updated today.

Question 11

How many operators does momondo search for flights to Las Vegas Harry Reid Intl Airport?

Accepted Answer

The number of operators available for flights to Las Vegas Harry Reid Intl Airport is 6 as of September 2026.

Question 12

How old do you have to be to fly to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Las Vegas Harry Reid Intl Airport.

Question 13

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

Accepted Answer

The travel and health documents required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Question 14

What is the cheapest day to depart on your flight to Las Vegas?

Accepted Answer

The cheapest day to depart from Ireland to Las Vegas is on a Tuesday. Travellers who choose to depart for Las Vegas on a Tuesday will often find tickets for as low as €556. On the other hand, Friday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €659.

Question 15

What is the cheapest time of day to depart on your flight to Las Vegas?

Accepted Answer

Our most recent data shows that the best time of day to fly to Las Vegas is in the afternoon. Flights from Ireland to Las Vegas during this time can be as low as €592. In contrast, the most expensive time of day to depart to Las Vegas is at midday when prices are around €669.

Question 16

What is the cheapest month to fly to Las Vegas?

Accepted Answer

The month of January is, on average, the cheapest month to fly to Las Vegas from Ireland, with most prices found around €499. If you aren’t able to travel to Las Vegas during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of €531.

Question 17

How long does it take to fly to Las Vegas?

Accepted Answer

The average flight duration from Ireland to Las Vegas depends on which airport you fly into and out of. Flying from Dublin to Las Vegas Harry Reid Intl is 10h 35m on average, while flying from Cork to Las Vegas Harry Reid Intl is 19h 10m on average. Las Vegas Harry Reid Intl is the most popular airport in Las Vegas.

Question 18

How far in advance should I book a flight to Las Vegas?

Accepted Answer

You are more likely to see cheaper flights to Las Vegas from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around €609 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ireland for as low as €506 on momondo.

CHEAPEST MONTH TO FLY TO LAS VEGAS FROM DUBLIN	January	19% cheaper	Flying from Dublin to Las Vegas costs on average just €499 in January
MOST EXPENSIVE MONTH TO FLY TO LAS VEGAS FROM DUBLIN	July	27% more expensive	It costs about €778 for flights to Las Vegas from Dublin in July
MOST POPULAR MONTH TO FLY TO LAS VEGAS FROM DUBLIN	March	500% more users visited	More momondo users searched in flights to Las Vegas from Dublin in March than any other month

Best One-Way Price	€334
Best Round-Trip Price	€567
Fastest flight time	19h 00m
Popular in	July

€334 Cheap flights to Las Vegas

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Las Vegas departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ireland to Las Vegas

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Recent direct flight deals from Ireland to Las Vegas

momondo Fare Finder

Use the filters below to find and compare flights to Las Vegas that are best for you.

See travel insights to Las Vegas from

Las Vegas flights insights and trends

What is the cheapest month to fly to Las Vegas?

What is the absolute cheapest flight to Las Vegas?

See prices from:

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

How far in advance should I book a flight to Las Vegas?

How long does it take to fly to Las Vegas?

Cheapest flights to Las Vegas Harry Reid Intl

Find the cheapest flights to Las Vegas Harry Reid Intl from your nearest city or airport

Cheap Las Vegas flight deals and tips

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Las Vegas

Travelling to a place near Las Vegas?

Why use momondo?

An easier way to manage your Las Vegas Harry Reid Intl trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Las Vegas

Popular Flights to Las Vegas

Popular routes according to searches in the past day on momondo

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Airports servicing Ireland

Fly your favourite airline to Las Vegas

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Las Vegas Harry Reid Intl

Explore popular destinations other users love

According to popular flight searches on momondo this year