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Cheap Flights from Chicago to Las Vegas

Compare Chicago to Las Vegas flight deals

Find the cheapest month or even day of the year to fly to Las Vegas

Book the best Las Vegas fare with no extra fees

Flight deals from Chicago to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Chicago to Las Vegas? Find the lowest prices on one-way and return tickets right here.
Las Vegas.R 484 per passenger.Departing Mon, 12 Jan.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 12 Jan, arriving in Harry Reid International.Price includes taxes and charges.From R 484, select.
Las Vegas.R 818 per passenger.Departing Thu, 12 Feb.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 12 Feb, arriving in Harry Reid International.Price includes taxes and charges.From R 818, select.
Las Vegas.R 898 per passenger.Departing Tue, 19 May.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 19 May, arriving in Harry Reid International.Price includes taxes and charges.From R 898, select.
Las Vegas.R 902 per passenger.Departing Tue, 28 Apr.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 28 Apr, arriving in Harry Reid International.Price includes taxes and charges.From R 902, select.
Las Vegas.R 914 per passenger.Departing Wed, 3 Jun.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Wed, 3 Jun, arriving in Harry Reid International.Price includes taxes and charges.From R 914, select.
Las Vegas.R 1,097 per passenger.Departing Tue, 10 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 10 Mar, arriving in Harry Reid International.Price includes taxes and charges.From R 1,097, select.
Las Vegas.R 1,413 per passenger.Departing Mon, 2 Mar.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 2 Mar, arriving in Harry Reid International.Price includes taxes and charges.From R 1,413, select.
Las Vegas.R 1,924 per passenger.Departing Wed, 31 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Chicago Midway on Wed, 31 Dec, arriving in Harry Reid International.Price includes taxes and charges.From R 1,924, select.

Find the cheapest month to fly from Chicago to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Las Vegas flights are currently cheapest in January.
Dec
from R 1,924
Jan
from R 484
Feb
from R 818
Mar
from R 1,097
Apr
from R 902
May
from R 898
Jun
from R 914
Jul
from R 2,101
Aug
from R 2,602
Sep
from R 2,660
Oct
from R 2,584
Nov
from R 3,277

Direct flights from Chicago to Las Vegas

Alternative Chicago to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Chicago to Las Vegas? You could fly into the following airports instead.

Chicago to Las Vegas: Flight information

The things to know before you go.
Cheapest flight foundR 484
Cheapest month to flyJanuary
Average flight time3 hrs, 59 mins
Most popular airlineSouthwest Airlines
Average flights per week3,672

Finding cheap flights from Chicago to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Chicago to Las Vegas is R 1,386. 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 59 minutes is the average flight time from Chicago to Las Vegas.
Southwest Airlines, American Airlines and United fly direct from Chicago to Las Vegas.
As of December 2025, there are 4,014 flights per week flying from Chicago to Las Vegas.
The cheapest month to fly from Chicago to Las Vegas is usually January.
If you're flying from Chicago, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from R 1,386.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Las Vegas on Monday, 19 January 2026.
Yes – the average flight time is 3 hours and 59 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 Las Vegas 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.
In December, the average temperature is usually around 6°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
The cheapest airline that flies to Las Vegas is Frontier Airlines .

Flying from Chicago to Las Vegas: what you need to know

  • Start your travels at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Las Vegas taking off from either of these.

  • Hop off the plane at Harry Reid Airport (formerly McCarran Airport) (LAS). This is the major gateway to Las Vegas.

  • The average duration of a direct Chicago to Las Vegas flight is 3 hours 50 minutes.

  • The timezone in Las Vegas is UTC-7, which is two hours behind Chicago.

  • The most popular route for flights from Chicago to Las Vegas is from O'Hare International Airport (ORD) to Harry Reid Airport (formerly McCarran Airport) (LAS). Choose from 93 weekly services between these two airports. If you want to head off as soon as possible, the earliest flight from ORD to LAS is the 06:00 Southwest Airlines option. If you have other commitments or plans on your day of travel, the final scheduled service is at 21:56 with Frontier Airlines.

  • Leave enough time to make your Chicago to Las Vegas flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month like August? Major public holidays and other high seasons can mean longer lines at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from Chicago to Las Vegas

  • R 484 is currently the lowest price for a one-way ticket from Chicago to Las Vegas. Return flights start from R 1,386. These prices may change depending on demand.

  • Get cheap Chicago to Las Vegas flights by booking two months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • Plan your trip for May. That's the best month for landing cheap plane tickets from Chicago to Las Vegas. If your travel dates are not set in stone, use the 'Whole month' tool to see the lowest price across every month.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as a better deal comes up on cheap flights from Chicago to Las Vegas.

  • Tailor your trip using filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' Chicago to Las Vegas flights.

Flying from Chicago

O'Hare International Airport (ORD)

  • If you're searching for a direct flight from Chicago to Las Vegas, you can depart from O'Hare International Airport (ORD). Travel from ORD to Harry Reid Airport (formerly McCarran Airport) (LAS) in one continuous trip.

  • Direct Chicago to Las Vegas plane tickets are offered by numerous airlines at ORD. Cruise the skies with one of these carriers:

  • ORD is around 26 kilometres from central Chicago. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 55 minutes.

  • In search of a handy hotel near O'Hare International Airport? If you're boarding an early flight from Chicago to Las Vegas, these stays will have you moments from your departure gate:

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights arrive within the expected time frame.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • Consider booking your direct flight from Chicago to Las Vegas departing Chicago Midway International Airport (MDW). Nonstop connections from MDW will get you to Harry Reid Airport (formerly McCarran Airport) (LAS).

  • From MDW, you can book a direct Chicago to Las Vegas plane ticket with Southwest Airlines.

  • You can get to MDW from the centre of Chicago in about 20 minutes by car, depending on traffic conditions. The journey on public transport takes roughly 45 minutes to travel the 14 kilometres or so.

  • It's your holiday, so why not enjoy an extra night away? Consider staying at one of these hotels near Chicago Midway International Airport the day before your flight from Chicago to Las Vegas:

  • When it comes to flights staying on schedule, Chicago Midway International Airport has an on-time arrival rate of 78%.

  • You'll find MDW at 5700 South Cicero.

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas takes around 15 minutes to reach by car. The centre is roughly 3 kilometres away.

  • It typically takes 1 hour to get there on public transport.

  • Consider staying in a hotel near LAS if you have a late flight from Chicago to Las Vegas. Pick one of these accommodation options and avoid the hassle of a long transfer:

  • Say yes to new adventures by picking up a Harry Reid Airport (formerly McCarran Airport) rental car. Grab your wheels from Dollar, Thrifty or Alamo and experience the lesser-explored corners of Las Vegas and beyond.

  • Lock in the best possible rate by booking your ride from Harry Reid Airport (formerly McCarran Airport) about one week before your travel date.

  • The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • May is the quietest month for flights from Chicago to Las Vegas, while October is the busiest. Pick the ideal time to visit Las Vegas based on whether you want a lively atmosphere or a more laid-back vibe.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 42ºC (108ºF). Book your Chicago to Las Vegas ticket then if that's your definition of good weather.

  • Look for cheap flights from Chicago to Las Vegas in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 13ºC (55ºF) on average.

More about Las Vegas

  • Start your Las Vegas trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Chicago to Las Vegas, check out our range of hotels including:

  • Las Vegas Strip and Fountains of Bellagio are just the start of the leading attractions to put on your Las Vegas to-do list. Keep the adventure rolling by checking out Fremont Street Experience.

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be explored after you've seen Las Vegas. Around 370 kilometres to the south-west, its top attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another well-known destination in United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without visiting Desert Botanical Garden, Heard Museum and Papago Park.

More travel options

Plan the rest of your trip from Chicago to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.