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

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

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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

Looking for a cheap last-minute deal or the best return flight from Las Vegas Harry Reid International 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 Harry Reid International 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 Harry Reid International to Chicago O'Hare International flights are currently cheapest in July.

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

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

Compare routes from Las Vegas Harry Reid International 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 found84 €
Cheapest month to flySeptember
Average flight time3 hrs, 47 mins
Most popular airlineAmerican Airlines
Average flights per week305

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

The best price we found for a return flight from Las Vegas Harry Reid International to Chicago O'Hare International is 84 €. 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 Harry Reid International to Chicago O'Hare International.
American Airlines, United and Southwest Airlines fly direct from Las Vegas Harry Reid International to Chicago O'Hare International.
As of June 2025, there are 305 flights per week flying from Las Vegas Harry Reid International to Chicago O'Hare International.
The cheapest month to fly from Las Vegas Harry Reid International to Chicago O'Hare International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Las Vegas Harry Reid International Airport to Chicago O'Hare International Airport on Thursday, 11 September 2025.
Yes – the average flight time is 3 hours and 47 minutes.
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.
Currently, Frontier Airlines offers the cheapest flight tickets to Chicago O'Hare International.

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

  • Around 3 hours 45 minutes is how long you can expect to be in the air on a direct flight from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport.

  • Chicago is two hours ahead of Las Vegas and follows the UTC-5 timezone.

  • Each week, there are 386 Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport flights. If you'd like to get going as early as possible, select the 00:19 Spirit Airlines flight. If you're eager to make the most of your time before flying, the last departure is at 23:59 with Frontier Airlines.

  • Your LAS to ORD flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Flying during a peak month like October? School holidays and other popular periods can lead to longer queues and delays at check-in and security. Play things extra safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • There are direct flights from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport, so getting to Chicago (and then seeing more of United States!) is a breeze. Top airlines that fly nonstop include:

  • Most passengers choose to fly with American Airlines on this route.

  • Spirit Airlines ranks as the top on-time carrier for LAS to ORD flights, with 89.89% of its services arriving on schedule.

  • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport. Here are the most popular stopovers between LAS and ORD:

    • Denver International Airport

    • Rapid City Regional Airport

    • Kansas City International Airport

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

  • 42 € is currently the best price for a one-way Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport flight. A return flight starts from 84 €. These prices can change depending on availability.

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

  • The cheapest month for flights from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

  • Never miss a deal on cheap flights from LAS to ORD by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

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

Handy information about Harry Reid Airport (formerly McCarran Airport) (LAS)

  • LAS is located at 5757 Wayne Newton Boulevard.

  • Harry Reid Airport (formerly McCarran Airport) maintains a strong on-time performance, reducing your chances of a delayed flight. Departures from LAS touch down on schedule 82.07% of the time.

  • Central Las Vegas to Harry Reid Airport (formerly McCarran Airport) is around 19 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Planning to catch public transport? Expect a trip time of around 1 hour.

  • Catching an early flight from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels close to LAS:

Arriving at O'Hare International Airport (ORD)

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

  • The street address for ORD is 10000 West O'Hare.

  • From O'Hare International Airport, Chicago is approximately 40 kilometres away. It takes around 35 minutes to get to the centre driving.

  • It takes around 55 minutes when travelling by public transport.

When to fly to O'Hare International Airport (ORD)

  • August is the busiest month for flights from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport. To avoid the crowds, travel to Chicago in January.

  • Before locking in your flight from Harry Reid Airport (formerly McCarran Airport) to O'Hare International Airport, consider the type of weather you enjoy. July is the warmest month in Chicago, with the temperature ranging from 15ºC (59ºF) to 29ºC (84ºF).

  • Look for cheap tickets from LAS to ORD in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 3ºC (37ºF) on average.

Explore more of United States

  • You've done Chicago, now it's time to explore more of United States. Journey about 451 kilometres south-east to Columbus to check off its top sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, there's plenty to keep you busy.

  • If there's time to check out another corner of United States, head for Indianapolis, roughly 257 kilometres south-east of Chicago. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are key highlights.

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