Cheap Flights from Las Vegas to Chicago

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Flight deals from Las Vegas to Chicago

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

Find the cheapest month to fly from Las Vegas to Chicago

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

Direct flights from Las Vegas to Chicago

Alternative Las Vegas to Chicago routes

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

Las Vegas to Chicago: Flight information

The things to know before you go.
Cheapest flight found$173
Cheapest month to flyMay
Average flight time3 hrs, 34 mins
Most popular airlineSouthwest Airlines
Average flights per week501

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

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.
The best price we found for a return flight from Las Vegas to Chicago is $173. 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 Las Vegas to Chicago.
Southwest Airlines, American Airlines and United fly direct from Las Vegas to Chicago.
As of March 2025, there are 501 flights per week flying from Las Vegas to Chicago.
The cheapest month to fly from Las Vegas to Chicago is usually March 2025.
If you're flying from Las Vegas, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the centre of Chicago. We've found flights into this airport from $173.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Chicago on Thursday, 1 May 2025.
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 Chicago 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.
In March, the average temperature is usually around 3°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
The cheapest airline that flies to Chicago is Spirit Airlines .

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

  • Get your travels underway at Harry Reid Airport (formerly McCarran Airport) (LAS), the main airport in Las Vegas. Look for flights from Las Vegas to Chicago that fly out of this terminal.

  • When it comes to arriving in Chicago, O'Hare International Airport (ORD) is a major gateway. Another is Chicago Midway International Airport (MDW).

  • The average duration of a direct flight from Las Vegas to Chicago is 3 hours 34 minutes. Chicago's timezone is UTC-5, which makes Chicago 2 hours ahead of Las Vegas.

  • With 386 flights a week between the two airports, Harry Reid Airport (formerly McCarran Airport) Airport (LAS) to O'Hare International Airport (ORD) is the busiest route. Hop on the first flight from Las Vegas to Chicago with Spirit Airlines at 00:19. If you prefer to get more out of your day before flying, the last departure from LAS to ORD is with American Airlines at 23:59.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your flight from Las Vegas to Chicago.

  • Delays at check-in and security are likely if you're travelling during high season, so allow some extra breathing room. A good rule of thumb for peak times? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • You don't need your passport or a visa to fly within United States. You will need a valid proof of identity though, such as an ID card or driver's licence. Make sure they're on your packing checklist once you've booked cheap flights from Las Vegas to Chicago.

Flying from Las Vegas

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

  • Begin your travels at Harry Reid Airport (formerly McCarran Airport) Airport (LAS), which offers a range of direct flights from Las Vegas to Chicago. From LAS, you can fly without any stops to O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW).

  • At LAS, there's a variety of carriers offering direct flights from Las Vegas to Chicago, such as:

  • Think about adding a stopover to potentially save money on your flight from Las Vegas to Chicago. Just deselect 'Direct flights only' when browsing departures from Harry Reid Airport (formerly McCarran Airport) Airport. Break up your trip (and maybe save some cash) by stopping at one of these popular options:

    • Los Angeles International Airport (LAX)

    • Nashville International Airport (BNA)

    • Eppley Airfield Airport (OMA)

  • Located around 19 kilometres from central Las Vegas, LAS can be reached in approximately 15 minutes by car, depending on traffic. The same journey by public transport is roughly 1 hour.

  • Looking for a convenient hotel near Harry Reid Airport (formerly McCarran Airport) Airport? If you've booked an early flight from Las Vegas to Chicago, these accommodation options will put you moments from your check-in counter:

Arriving in Chicago

O'Hare International Airport (ORD)

  • O'Hare International Airport (ORD) is around 40 kilometres from central Chicago. With a cab or in your own car rental, the drive is around 35 minutes.

  • Getting to the centre on public transport takes roughly 54 minutes.

  • If you're coming in on a late flight from Las Vegas to Chicago, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these hotels near ORD:

Chicago Midway International Airport (MDW)

How to find the cheapest flights from Las Vegas to Chicago

  • Right now, $72 is the lowest price we've seen for a one-way ticket from Las Vegas to Chicago. The cheapest price for a return flight is $173. Keep in mind fares may change due to availability at the time of booking.

  • Get cheap tickets from Las Vegas to Chicago by booking at least 9 months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • May is the cheapest month for flight tickets from Las Vegas to Chicago. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Set up a Price Alert for cheap tickets from Las Vegas to Chicago. There's no need to search every day to see if prices have fallen. We'll notify you when the price changes.

  • Use filters to tailor your flights from Las Vegas to Chicago. Pick your ideal arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to see the best deals.

Best time to go to Chicago

  • It's time to choose your trip dates for your flight from Las Vegas to Chicago. August is the busiest month to travel to Chicago. If you prefer a quieter vibe, go in February.

  • Before you book a flight from Las Vegas to Chicago, think about the type of weather you like best. July is the warmest month in Chicago, with temperatures ranging from 15ºC to 29ºC.

  • January has average temperatures of between -12ºC and 3ºC. Look for cheap tickets from Las Vegas to Chicago sometime then if you want to travel in cooler conditions.

More about Chicago

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Chicago right here. Browse these options as soon as you've locked in your flight from Las Vegas to Chicago:

  • There are so many things to explore in this city it can be tricky to know where to begin. Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier are highlights which should feature on every Chicago itinerary.

Complete your Chicago trip with a car rental

  • We use the same magic that helped you find your cheap flight from Las Vegas to Chicago to track down deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus we give you all the info you need to drive in Chicago, from the most popular car rental to the average daily price.

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