Cheap Flights from Chicago O'Hare International to Las Vegas Harry Reid International

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Compare Chicago O'Hare International to Las Vegas Harry Reid International flight deals

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

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Flight deals from Chicago O'Hare International to Las Vegas Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Las Vegas Harry Reid International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Las Vegas Harry Reid International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Las Vegas Harry Reid International flights are currently cheapest in April.

Direct flights from Chicago O'Hare International to Las Vegas Harry Reid International

Chicago O'Hare International to Las Vegas Harry Reid International: Alternative routes

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

Chicago to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found86 €
Cheapest month to flyApril
Average flight time4 hrs, 7 mins
Most popular airlineAmerican Airlines
Average flights per week417

Finding cheap flights from Chicago O'Hare International to Las Vegas Harry Reid International: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Las Vegas Harry Reid International is 86 €. 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.
4 hours and 7 minutes is the average flight time from Chicago O'Hare International to Las Vegas Harry Reid International.
American Airlines, United and Southwest Airlines fly direct from Chicago O'Hare International to Las Vegas Harry Reid International.
As of March 2025, there are 417 flights per week flying from Chicago O'Hare International to Las Vegas Harry Reid International.
The cheapest month to fly from Chicago O'Hare International to Las Vegas Harry Reid International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Las Vegas Harry Reid International Airport on Saturday, 19 April 2025.
Yes – the average flight time is 4 hours and 7 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 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 Las Vegas Harry Reid International.

Travelling from O'Hare International Airport (ORD) to Harry Reid Airport (formerly McCarran Airport) (LAS): what you need to know

  • A direct flight from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport) takes on average 4 hours 1 minute. The timezone in Las Vegas is UTC-7, so it's 2 hours behind Chicago.

  • Flights from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport) start at 00:19 — the earliest with Spirit Airlines. The latest flight is the 23:59 option with American Airlines. Overall, you can choose from 124 weekly services from ORD to LAS.

  • If you're travelling during a bank holiday or other peak period, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • We make it a breeze to book a flight with a stopover. To see your options for flights from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport), deselect 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Popular stopovers between ORD and LAS are:

    • Eppley Airfield

    • Kansas City International Airport

    • Denver International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The lowest price we've found for a one-way ticket from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport) is 44 €. For a return flight on this route, the best price is 86 €. Depending on the availability when you book, these fares can change.

  • Book 9 months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from ORD to LAS.

  • May is the cheapest month for tickets from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport). If you're looking to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Set up a Price Alert for cheap tickets from ORD to LAS. You don't need to search every day to see whether fares have fallen. We'll let you know as soon as the price changes.

  • Use filters to tailor your flights from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport). Simply select your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to find the best deals.

Handy information about O'Hare International Airport (ORD)

Arriving at Harry Reid Airport (formerly McCarran Airport) (LAS)

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

  • Harry Reid Airport (formerly McCarran Airport) is approximately 19 kilometres from central Las Vegas. With a cab or in your own car rental, the drive is about 15 minutes.

  • It takes roughly 1 hour to get there by public transport.

When to fly to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • It's time to pick your travel dates for your flight from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport). October is the busiest month to visit Las Vegas. If you prefer a more low-key vibe, go in May.

  • When booking your flight from O'Hare International Airport to Harry Reid Airport (formerly McCarran Airport), consider the type of weather you like. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC to 42ºC.

  • If you want cooler conditions, search for a cheap ticket from ORD to LAS in January. Temperatures average between -1ºC and 13ºC then.

More about Las Vegas

  • Start your Las Vegas trip right by finding a wonderful stay. After booking your flight from ORD to LAS, have a look at our range of accommodation options including:

  • All great adventures should include a little sightseeing. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are among the things you can't miss in Las Vegas.

Complete your Las Vegas trip with hotels and a car rental

  • After you've secured your cheap ticket to Harry Reid Airport (formerly McCarran Airport), explore our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one place to find the best car rental price for your Las Vegas holiday.

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