Cheap Flights from Chicago (ORD) to Las Vegas (LASA)

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Compare Chicago O'Hare International to Las Vegas flight deals

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Flight deals from Chicago O'Hare International to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Las Vegas? If you want to travel next month, return fares start from $233. Find the lowest prices on one-way and return tickets right here.

Las Vegas.$169 per passenger.Departing Tue, 1 Dec, returning Wed, 2 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 1 Dec, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 2 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $169, select.

Las Vegas.$215 per passenger.Departing Thu, 28 Jan, returning Thu, 4 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 28 Jan, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 4 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From $215, select.

Las Vegas.$228 per passenger.Departing Wed, 14 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 14 Oct, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 2 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $228, select.

Las Vegas.$228 per passenger.Departing Tue, 26 Jan, returning Thu, 28 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 26 Jan, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 28 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $228, select.

Las Vegas.$233 per passenger.Departing Tue, 20 Oct, returning Wed, 21 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 20 Oct, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 21 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $233, select.

Las Vegas.$233 per passenger.Departing Mon, 26 Oct, returning Thu, 29 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 26 Oct, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 29 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $233, select.

Las Vegas.$240 per passenger.Departing Sat, 14 Nov, returning Mon, 16 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sat, 14 Nov, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 16 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $240, select.

Las Vegas.$242 per passenger.Departing Tue, 2 Feb, returning Thu, 4 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 2 Feb, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 4 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From $242, select.

Las Vegas.$257 per passenger.Departing Mon, 9 Nov, returning Thu, 12 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 9 Nov, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 12 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $257, select.

Las Vegas.$263 per passenger.Departing Fri, 8 Jan, returning Thu, 14 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Fri, 8 Jan, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 14 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $263, select.

Las Vegas.$277 per passenger.Departing Fri, 27 Nov, returning Wed, 2 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Fri, 27 Nov, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 2 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $277, select.

Las Vegas.$283 per passenger.Departing Sat, 28 Nov, returning Tue, 1 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 28 Nov, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Tue, 1 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $283, select.

Las Vegas.$292 per passenger.Departing Thu, 15 Oct, returning Mon, 16 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 15 Oct, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 16 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $292, select.

Las Vegas.$294 per passenger.Departing Wed, 3 Feb, returning Tue, 9 Feb.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 3 Feb, arriving in Harry Reid International.Inbound direct flight with United departs from Harry Reid International on Tue, 9 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From $294, select.

Las Vegas.$294 per passenger.Departing Wed, 24 Feb, returning Tue, 2 Mar.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 24 Feb, arriving in Harry Reid International.Inbound direct flight with United departs from Harry Reid International on Tue, 2 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From $294, select.

Las Vegas.$294 per passenger.Departing Tue, 22 Dec, returning Tue, 5 Jan.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 22 Dec, arriving in Harry Reid International.Inbound direct flight with United departs from Harry Reid International on Tue, 5 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $294, select.

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

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 flights are currently cheapest in December.

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Direct flights from Chicago O'Hare International to Las Vegas

Alternative Chicago O'Hare International to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International 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 found	$168
Cheapest month to fly	December
Average flight time	4 hrs, 10 mins
Most popular airline	American Airlines
Average flights per week	369

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

How many airports are there in Las Vegas?

There are 4 airports in Las Vegas: Harry Reid International, North Las Vegas, Henderson Executive, and Boulder City Municipal.

How much are return flights from Chicago O'Hare International to Las Vegas?

The best price we found for a return flight from Chicago O'Hare International to Las Vegas is $169. 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.

How long does it take to fly from Chicago O'Hare International to Las Vegas?

4 hours and 10 minutes is the average flight time from Chicago O'Hare International to Las Vegas.

Which airlines fly direct from Chicago O'Hare International to Las Vegas?

American Airlines, United and Qatar Airways fly direct from Chicago O'Hare International to Las Vegas.

How many flights are there a week from Chicago O'Hare International to Las Vegas?

As of September 2026, there are 369 flights per week flying from Chicago O'Hare International to Las Vegas.

When is the cheapest time to fly from Chicago O'Hare International to Las Vegas?

The cheapest month to fly from Chicago O'Hare International to Las Vegas is usually December.

Which is the cheapest airport to fly into in Las Vegas?

If you're flying from Chicago O'Hare International Airport, 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 $169.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to Las Vegas on?

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 on Tuesday, 1 December 2026.

Can I get a direct flight from Chicago O'Hare International Airport to Las Vegas?

Yes – the average flight time is 4 hours and 10 minutes.

How can I get the best flight deal from Chicago O'Hare International Airport to Las Vegas?

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.

When is the best time to book flights to Las Vegas?

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.

What’s the weather like in Las Vegas?

In September, the average temperature is usually around 26°C. July is typically the warmest month in Las Vegas, when it usually averages around 39°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging 2°C. The rainiest month is August.

Which is the cheapest airline to fly from Chicago O'Hare International Airport to Las Vegas with?

Currently, Frontier Airlines offers the cheapest flight tickets to Las Vegas.

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

The average time for a direct flight from Chicago O'Hare International Airport to Las Vegas is 3 hours 45 minutes.
Chicago O'Hare International Airport is located in Chicago. Following the UTC-8 timezone, Las Vegas is two hours behind Chicago.
Chicago O'Hare International Airport (ORD) to Las Vegas Harry Reid International Airport (LAS) is the most popular route, with 92 weekly departures to choose from. If you prefer starting your day later, the last flight from ORD to LAS is with Frontier Airlines at 21:56. Choose the first departure with Southwest Airlines at 06:00 if you want to fly out earlier.
For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your ORD to Las Vegas flight.
Travelling during a peak month such as July? Public holidays and other popular periods can lead to longer queues at security. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.
Begin your trip at ORD and fly nonstop to Las Vegas Harry Reid International Airport (LAS). That's where you can expect to touch down when searching for Chicago O'Hare International Airport to Las Vegas tickets.
A variety of airlines operate direct flights from Chicago O'Hare International Airport to Las Vegas. Some of the most popular are:
Located around 26 kilometres from the centre of Chicago, ORD can be reached in about 30 minutes by car (depending on traffic). The journey on public transport will take roughly 45 minutes.
In search of a hotel near ORD? If you're catching an early flight from Chicago O'Hare International Airport to Las Vegas, these stays will get you from your pillow to the plane in no time:
Of all flights leaving Chicago O'Hare International Airport, 70% land on schedule at their destination.
ORD is located at 10000 West O'Hare.

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

The best price we've found for a one-way Chicago O'Hare International Airport to Las Vegas flight is $86. The cheapest price for a return flight is $169. Keep in mind fares may change due to demand at the time of booking.
Don't leave everything to the last moment. You're more likely to pick up cheap flights from ORD to Las Vegas if you book early. Airlines often offer some excellent early bird deals.
If you're flexible with your travel dates, try using the 'Whole month' tool. It'll give you the lowest price across every month when searching for a Chicago O'Hare International Airport to Las Vegas ticket.
Save time searching for cheap flights from ORD to Las Vegas by setting up a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.
Choose your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Chicago O'Hare International Airport to Las Vegas by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

Las Vegas Harry Reid International Airport (LAS) is around 8 kilometres from the centre of Las Vegas. If you're getting a taxi or a ride-share, the drive takes roughly 10 minutes.
Getting there by public transport will take you around 25 minutes.
If you have a late flight from Chicago O'Hare International Airport to Las Vegas, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these accommodation options near LAS:
Reserving your vehicle from Las Vegas Harry Reid International Airport around one week before your flight from ORD to Las Vegas can help you secure the lowest rate.
The address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

It's time to choose your travel dates for your flight from Chicago O'Hare International Airport to Las Vegas. March is the busiest month to visit Las Vegas. If you like a more relaxed atmosphere, go in December.
The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 43ºC (109ºF). Book your Chicago O'Hare International Airport to Las Vegas plane ticket then if that's your idea of comfortable weather.
January sees average temperatures of between 0ºC (32ºF) and 16ºC (61ºF). Search for a cheap ticket from ORD to Las Vegas around that time if you want to travel in cooler conditions.

More about Las Vegas

After booking your flight from Chicago O'Hare International Airport to Las Vegas, choose a hotel that puts you right where the action is. Make one of these options your base for exploring Las Vegas:
There are so many things to see and do in this city it can be tricky to work out where to begin. Las Vegas Strip, Ciudad del Pecado o Las Vegas and Fountains of Bellagio are major attractions which should feature on every Las Vegas itinerary.

Explore more of the United States

Los Angeles is just one of the many places in the United States waiting to be explored once you've taken in the sights of Las Vegas. Around 370 kilometres away to the southwest, its top attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.
Around 418 kilometres southeast of Las Vegas, Phoenix is another favourite stop in the United States. No visit is complete without checking out Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.