£122 Cheap Flights from Las Vegas (LASA) to Chicago O'Hare International (ORD)

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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 Airport? If you want to travel next month, return fares start from £146. Find the lowest prices on one-way and return tickets right here.

Chicago.£57 per passenger.Departing Wed, 5 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 5 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From £57, select.

Chicago.£68 per passenger.Departing Tue, 1 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 1 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £68, select.

Chicago.£69 per passenger.Departing Tue, 3 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 3 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From £69, select.

Chicago.£70 per passenger.Departing Wed, 14 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 14 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From £70, select.

Chicago.£70 per passenger.Departing Tue, 29 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Tue, 29 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £70, select.

Chicago.£76 per passenger.Departing Wed, 8 Jul.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 8 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From £76, select.

Chicago.£82 per passenger.Departing Thu, 5 Nov.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 5 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From £82, select.

Chicago.£82 per passenger.Departing Wed, 24 Jun.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 24 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From £82, select.

Chicago.£115 per passenger.Departing Wed, 16 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Harry Reid International on Wed, 16 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From £115, select.

Chicago.£117 per passenger.Departing Wed, 10 Feb.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Harry Reid International on Wed, 10 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From £117, select.

Chicago.£123 per passenger.Departing Sat, 3 Apr.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Harry Reid International on Sat, 3 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £123, select.

Chicago.£133 per passenger.Departing Fri, 29 Jan.One-way flight with United.Outbound direct flight with United departs from Harry Reid International on Fri, 29 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From £133, select.

Chicago.£133 per passenger.Departing Sun, 13 Dec.One-way flight with United.Outbound direct flight with United departs from Harry Reid International on Sun, 13 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From £133, select.

Chicago.£133 per passenger.Departing Thu, 8 Apr.One-way flight with United.Outbound direct flight with United departs from Harry Reid International on Thu, 8 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £133, select.

Chicago.£134 per passenger.Departing Wed, 10 Feb.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from Harry Reid International on Wed, 10 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From £134, select.

Chicago.£140 per passenger.Departing Tue, 2 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Harry Reid International on Tue, 2 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From £140, select.

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.

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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 found	£57
Cheapest month to fly	August
Average flight time	3 hrs, 53 mins
Most popular airline	American Airlines
Average flights per week	387

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

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

The best price we found for a return flight from Las Vegas to Chicago O'Hare International is £122. 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 Las Vegas to Chicago O'Hare International?

3 hours and 53 minutes is the average flight time from Las Vegas to Chicago O'Hare International.

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

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

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

As of May 2026, there are 387 flights per week flying from Las Vegas to Chicago O'Hare International.

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

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

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

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 Friday, 18 September 2026.

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

Yes – the average flight time is 3 hours and 53 minutes.

How can I find the best flight deal to Chicago O'Hare International?

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.

When is the best time to book flights to Chicago?

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.

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

The cheapest airline that flies to Chicago O'Hare International is Frontier Airlines .

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

Your adventure will begin at Las Vegas Harry Reid International Airport (LAS), the main airport in Las Vegas. Look for flights from Las Vegas to Chicago O'Hare International Airport (ORD) that leave from this terminal.
The average time for a direct Las Vegas to Chicago O'Hare International Airport flight is 3 hours 45 minutes.
Chicago O'Hare International Airport is located in Chicago. The city runs on the UTC-6 timezone and is two hours ahead of Las Vegas.
The most popular route is from Las Vegas Harry Reid International Airport (LAS) to Chicago O'Hare International Airport (ORD), with 94 direct weekly services. If you're ready to head out sooner, the earliest flight from LAS to ORD is the 12:20am United Airlines option. If you prefer travelling later, the final departure is at 11:59pm with American Airlines.
Get to the airport on time so you don't miss your flight from Las Vegas to ORD. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.
Flying during a peak time like March? Busy periods (like Christmas and New Year) can add another hour at security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

Fly without interruptions from Las Vegas Harry Reid International Airport (LAS). Nonstop flights from Las Vegas to Chicago O'Hare International Airport (ORD) can be booked from here.
A good selection of airlines at LAS operate direct flights from Las Vegas to Chicago O'Hare International Airport. The most popular include:
United is the airline most travellers choose for flights from LAS to ORD.
The carrier with the top on-time arrival rate on this route is Spirit Airlines.
LAS is around 8 kms (5 miles) from central Las Vegas. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 10 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 25 minutes.
Want an easy start to your travels? Stay near Las Vegas Harry Reid International Airport. Whether you're boarding an early flight from Las Vegas to Chicago O'Hare International Airport or prefer not to rush, these hotels are the ideal choice:
79% of flights that depart Las Vegas Harry Reid International Airport land at their destination on schedule.
LAS is located at 5757 Wayne Newton Boulevard.

About Chicago O'Hare International Airport (ORD)

Book a hotel close to ORD if you're catching a late flight from Las Vegas to Chicago O'Hare International Airport. Settle into one of these options and end the night sooner:
Lock in the best rate by booking your ride around four weeks before your Las Vegas to Chicago O'Hare International Airport flight.
The address for ORD is 10000 West O'Hare.

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

Chicago O'Hare International Airport is around 27 kms (17 miles) from the centre of Chicago. It takes around 30 minutes or so to drive to the city.
It takes roughly 45 minutes if you're using public transport.

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

£57 is the lowest price for a one-way ticket from Las Vegas to Chicago O'Hare International Airport. A return flight starts from £122. These prices can change depending on availability and demand.
Don't wait until the last moment. You're more likely to find cheap flights from Las Vegas to ORD if you book ahead. Airlines often offer some excellent early bird discounts.
The 'Whole month' tool will show you the cheapest Las Vegas to Chicago O'Hare International Airport tickets throughout the entire month. It's an easy way to snap up a bargain if your travel plans aren't set in stone.
You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you as soon as a new deal shows up on plane tickets from Las Vegas to ORD.
Save on your flight from Las Vegas to Chicago O'Hare International Airport by using filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

July is the busiest month for flights from Las Vegas to Chicago O'Hare International Airport (ORD). Plan your visit to Chicago in January for a more laid-back experience.
The warmest month in Chicago is July, with temperatures ranging between 16ºC and 28ºC. Book your Las Vegas to ORD plane ticket then if that's your idea of comfortable weather.
January has temperatures of between -12ºC and 3ºC. Look for cheap tickets from Las Vegas to Chicago O'Hare International Airport around that time if you like cooler conditions.

More about Chicago

When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Chicago right here. Check out these hotels as soon as you've locked in your flight from Las Vegas to Chicago O'Hare International Airport:
Your Chicago visit wouldn't be complete without a bit of sightseeing. Highlights that belong on your itinerary include Millennium Park, Art Institute of Chicago and Willis Tower.

Explore more of the United States

Chicago will leave a lasting impression, but there are so many other corners of the United States waiting to be explored. Around 290 kms (180 miles) southeast of Chicago, a trip to Indianapolis will keep you on the move. Don't miss top attractions like Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.
Milwaukee is another must-experience destination in the United States and is around 121 kms (75 miles) north of Chicago. No trip is complete without dropping by Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo.