Cheap Flights from Las Vegas to Chicago O'Hare International

Compare Las Vegas to Chicago O'Hare International flight deals

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Flight deals from Las Vegas to Chicago O'Hare International

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

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

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

Direct flights from Las Vegas to Chicago O'Hare International

Las Vegas to Chicago O'Hare International: Alternative routes

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

Las Vegas to Chicago: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 2,102
Cheapest month to flyAugust
Average flight time3 hrs, 47 mins
Most popular airlineAmerican Airlines
Average flights per week304

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

The best price we found for a return flight from Las Vegas to Chicago O'Hare International is ج.م.‏ 4,190. 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 47 minutes is the average flight time from Las Vegas to Chicago O'Hare International.
American Airlines, United and Qatar Airways fly direct from Las Vegas to Chicago O'Hare International.
As of August 2025, there are 304 flights per week flying from Las Vegas to Chicago O'Hare International.
The cheapest month to fly from Las Vegas to Chicago O'Hare International is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Chicago O'Hare International Airport on Tuesday, 26 August 2025.
Yes – the average flight time is 3 hours and 47 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 Chicago O'Hare 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Chicago O'Hare International is Spirit Airlines .

Travelling from Las Vegas to O'Hare International Airport (ORD): What you need to know

  • Your travels get underway at Las Vegas's main airport, Harry Reid Airport (formerly McCarran Airport) (LAS). Check out the options for booking a flight from Las Vegas to O'Hare International Airport (ORD) departing from this base.

  • Expect to be in the air for 3 hours 45 minutes. On average, that's the time it takes for a direct Las Vegas to O'Hare International Airport flight.

  • Chicago is two hours ahead of Las Vegas. O'Hare International Airport is located in Chicago, which operates on the UTC-5 timezone.

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to O'Hare International Airport (ORD) is the most popular route. There are 94 direct weekly flights to pick from. If you have plans before you fly, hop on the last flight with American Airlines at 11:59pm. Choose the first LAS to ORD departure operated by United Airlines at 12:20am if you'd rather get going earlier.

  • Leave enough time to get on your flight from Las Vegas to ORD. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • With more people on the move during high season, you'll want to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you deal with longer queues.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is a convenient option for travelling directly to your destination. Nonstop flights from Las Vegas to O'Hare International Airport (ORD) operate out of this terminal.

  • Numerous airlines at LAS operate direct flights from Las Vegas to O'Hare International Airport. The most popular include:

  • The majority of passengers prefer to book seats with United Airlines from LAS to ORD.

  • Among carriers operating on this route, Spirit Airlines is the most consistent for on-time landings.

  • LAS is around 19 kilometres from central Las Vegas. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 1 hour.

  • Searching for a comfortable hotel near Harry Reid Airport (formerly McCarran Airport)? If you've booked an early flight from Las Vegas to O'Hare International Airport, these accommodation options will have you sleeping moments from your departure gate:

  • 82.07% of flights departing from Harry Reid Airport (formerly McCarran Airport) touch down at their destination on time. Given its reliable on-time performance, you're unlikely to face delays when taking off from LAS.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

About O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • O'Hare International Airport is roughly 26 kilometres from central Chicago. How long it'll take to get to the centre in a car hire or cab will depend on the time of day. Do some research before your trip.

  • When travelling on public transport, expect a journey of about 55 minutes.

How to find the cheapest flights from Las Vegas to O'Hare International Airport (ORD)

  • Currently, ج.م.‏ 2,102 is the lowest price we've found for a one-way ticket from Las Vegas to O'Hare International Airport. The cheapest price for a return flight is ج.م.‏ 4,190. Remember fares may change due to availability at the time of booking.

  • Booking early is often the key to scoring a cheap flight from Las Vegas to ORD. Prices tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • Affordable Las Vegas to O'Hare International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.

  • Be the first to know about deals for flight tickets from Las Vegas to ORD by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Filters make it easier to snap up a deal on your flight from Las Vegas to O'Hare International Airport. Pick the flight times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Las Vegas to O'Hare International Airport (ORD)

  • August is the most popular month for flights from Las Vegas to O'Hare International Airport (ORD). Visit Chicago in February if you prefer a quieter experience.

  • When booking your Las Vegas to ORD flight ticket, consider the weather you're most comfortable in. July is the warmest month in Chicago, with temperatures ranging from 15ºC to 29ºC.

  • Search for cheap tickets from Las Vegas to O'Hare International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 3ºC.

More about Chicago

Explore more of the United States

  • Indianapolis is just one of the many places in the United States waiting to be discovered once you've seen Chicago. Around 290 kilometres away to the south-east, well-known attractions include 9-11 Memorial, Lucas Oil Stadium and Eiteljorg Museum.

  • If you want to check out another great destination in the United States, head for Milwaukee, roughly 121 kilometres north of Chicago. Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo are the start of reasons to visit.

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