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147 € Cheap Flights from St Louis to Harry Reid International

Compare St Louis to Harry Reid International flight deals

Find the cheapest month or even day of the year to fly to Harry Reid International

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Flight deals from St Louis to Harry Reid International

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Harry Reid International Airport? If you want to travel next month, return fares start from 168 €. Find the lowest prices on one-way and return tickets right here.
Las Vegas.147 € per passenger.Departing Wed, 28 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 28 Oct, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 2 Nov, arriving in St Louis.Price includes taxes and charges.From 147 €, select.
Las Vegas.160 € per passenger.Departing Mon, 21 Sep, returning Thu, 24 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 21 Sep, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 24 Sep, arriving in St Louis.Price includes taxes and charges.From 160 €, select.
Las Vegas.168 € per passenger.Departing Thu, 20 Aug, returning Mon, 24 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 20 Aug, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 24 Aug, arriving in St Louis.Price includes taxes and charges.From 168 €, select.
Las Vegas.174 € per passenger.Departing Tue, 25 Aug, returning Thu, 3 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 25 Aug, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 3 Sep, arriving in St Louis.Price includes taxes and charges.From 174 €, select.
Las Vegas.181 € per passenger.Departing Wed, 11 Nov, returning Sat, 14 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Wed, 11 Nov, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Sat, 14 Nov, arriving in St Louis.Price includes taxes and charges.From 181 €, select.
Las Vegas.184 € per passenger.Departing Tue, 29 Sep, returning Thu, 1 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 29 Sep, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 1 Oct, arriving in St Louis.Price includes taxes and charges.From 184 €, select.
Las Vegas.184 € per passenger.Departing Wed, 21 Oct, returning Sat, 24 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 21 Oct, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sat, 24 Oct, arriving in St Louis.Price includes taxes and charges.From 184 €, select.
Las Vegas.203 € per passenger.Departing Thu, 20 Aug, returning Sat, 22 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Thu, 20 Aug, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Sat, 22 Aug, arriving in St Louis.Price includes taxes and charges.From 203 €, select.
Las Vegas.204 € per passenger.Departing Sat, 12 Sep, returning Tue, 15 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Sat, 12 Sep, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Tue, 15 Sep, arriving in St Louis.Price includes taxes and charges.From 204 €, select.
Las Vegas.205 € per passenger.Departing Thu, 22 Oct, returning Mon, 26 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Thu, 22 Oct, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 26 Oct, arriving in St Louis.Price includes taxes and charges.From 205 €, select.
Las Vegas.206 € per passenger.Departing Tue, 29 Sep, returning Thu, 1 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Tue, 29 Sep, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 1 Oct, arriving in St Louis.Price includes taxes and charges.From 206 €, select.
Las Vegas.207 € per passenger.Departing Wed, 28 Oct, returning Tue, 3 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Wed, 28 Oct, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Tue, 3 Nov, arriving in St Louis.Price includes taxes and charges.From 207 €, select.
Las Vegas.207 € per passenger.Departing Wed, 26 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Wed, 26 Aug, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Tue, 1 Sep, arriving in St Louis.Price includes taxes and charges.From 207 €, select.
Las Vegas.243 € per passenger.Departing Tue, 28 Jul, returning Sat, 1 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Tue, 28 Jul, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Sat, 1 Aug, arriving in St Louis.Price includes taxes and charges.From 243 €, select.
Las Vegas.322 € per passenger.Departing Fri, 4 Dec, returning Sun, 6 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from St Louis on Fri, 4 Dec, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Sun, 6 Dec, arriving in St Louis.Price includes taxes and charges.From 322 €, select.
Las Vegas.329 € per passenger.Departing Fri, 30 Oct, returning Sat, 5 Dec.Return flight with Frontier Airlines and Alaska Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 30 Oct, arriving in Harry Reid International.Inbound indirect flight with Alaska Airlines, departs from Harry Reid International on Sat, 5 Dec, arriving in St Louis.Price includes taxes and charges.From 329 €, select.

Find the cheapest month to fly from St Louis to Harry Reid International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Harry Reid International flights are currently cheapest in September.
Jul
from 369 €
Aug
from 168 €
Sep
from 160 €
Oct
from 184 €
Nov
from 181 €
Dec
from 322 €
Jan
from 415 €
Feb
from 455 €
Mar
from 409 €
Apr
from 409 €
May
from 409 €
Jun
from 2.910 €

Direct flights from St Louis to Harry Reid International

St Louis to Harry Reid International: Alternative routes

Compare routes from St Louis to Las Vegas below. You may find an airport to fly into that's cheaper, faster, or easier than Harry Reid International.

Harry Reid International

4km from central Las Vegas
ClosestCheapest
from 147 €
Search flights

North Las Vegas

11km from central Las Vegas
Search flights

Henderson Executive

16km from central Las Vegas
Search flights

Boulder City Municipal

34km from central Las Vegas
Search flights

St Louis to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found147 €
Cheapest month to flyOctober
Average flight time3 hrs, 34 mins
Most popular airlineSouthwest Airlines
Average flights per week47

Finding cheap flights from St Louis to Harry Reid International: Frequently asked questions

The best price we found for a return flight from St Louis to Harry Reid International is 147 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 34 minutes is the average flight time from St Louis to Harry Reid International.
Southwest Airlines, Frontier Airlines and Volaris fly direct from St Louis to Harry Reid International.
As of July 2026, there are 47 flights per week flying from St Louis to Harry Reid International.
The cheapest month to fly from St Louis to Harry Reid International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Harry Reid International Airport on Wednesday, 28 October 2026.
Yes – the average flight time is 3 hours and 34 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harry Reid International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Harry Reid International.

Flying from St Louis Airport (STL) to Harry Reid International Airport (LAS): what you need to know

  • Around 3 hours 30 minutes is how long you can expect to be in the air on a direct flight from St Louis Airport to Harry Reid International Airport.

  • Las Vegas's timezone is UTC-8, making Las Vegas two hours behind St Louis.

  • Every week, there are 22 St Louis Airport to Harry Reid International Airport flights. If you prefer to be on board early, pick the 05:00 Southwest Airlines flight. If you're eager to make the most of your day before flying, the last flight is at 22:40 with Southwest Airlines.

  • To ensure you catch your STL to LAS flight, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • You'll likely experience longer lines during popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • Southwest Airlines is your gateway to discovering Las Vegas (and maybe even some other great corners of the United States!). Browse the direct flights from St Louis Airport to Harry Reid International Airport offered by this popular carrier.

  • The airline with the highest booking volume on this route is Southwest Airlines.

  • Frontier Airlines is the most punctual carrier that offers STL to LAS flights. An impressive 80.23% of its services on this route arrive without delay.

  • Think about adding a stopover when booking your ticket from St Louis Airport to Harry Reid International Airport. Simply deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between STL and LAS:

    • Denver International Airport

    • Phoenix Sky Harbour Airport

    • Salt Lake City Airport

How to find the cheapest flights from St Louis Airport (STL) to Harry Reid International Airport (LAS)

  • At the moment, 74 € is the lowest price we've found for a one-way St Louis Airport to Harry Reid International Airport flight. The best price for a return plane ticket is 147 €. Keep in mind that fares could change due to availability when booking.

  • It's a good idea to book as early as possible if you want to get cheap tickets from STL to LAS. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • Organise your trip for May. That's the cheapest month for flights from St Louis Airport to Harry Reid International Airport. If your travel dates are flexible, try out the 'Whole month' tool to find the lowest airfare across every month.

  • There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll update you the moment a special offer becomes available on cheap flights from STL to LAS.

  • Secure the ideal flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from St Louis Airport to Harry Reid International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about St Louis Airport (STL)

Arriving at Harry Reid International Airport (LAS)

Getting from Harry Reid International Airport (LAS) to central Las Vegas

  • LAS is located at 5757 Wayne Newton Boulevard.

  • From Harry Reid International Airport, Las Vegas is approximately 8 kilometres away. It takes around 10 minutes to reach the centre by car.

  • Getting there by public transport typically takes 25 minutes.

When to fly to Harry Reid International Airport (LAS)

  • The quietest month for a flight from St Louis Airport to Harry Reid International Airport is March, while April is the most popular. Pick the best time to go to Las Vegas based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Las Vegas is July, with the temperature ranging between 23ºC (73ºF) and 43ºC (109ºF). Book your flights from St Louis Airport to Harry Reid International Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 0ºC (32ºF) and 16ºC (61ºF). Look for cheap tickets from STL to LAS sometime around then if you'd rather travel in cooler conditions.

Explore more of the United States

  • Las Vegas has loads to offer, but there are so many other parts of the United States just waiting to be discovered. Around 370 kilometres south-west of Las Vegas, a visit to Los Angeles will keep you on the move. Start with attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Phoenix is another standout destination in the United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without a visit to Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.