£91 Cheap Flights from Chicago (ORD) to Las Vegas (LAS)

View £91 flight on Tue, 9 Jun 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Harry Reid Intl. Airport (LAS)

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

Prices were available within the past 7 days and start at £91 for one-way flights and £198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 16 Jun - Tue, 30 Jun
ORD
Chicago
LAS
Las Vegas
£198 Return, found 3 days ago
£198
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 16 Jun from Chicago to Las Vegas, returning Tue, 30 Jun, priced at £198 found 3 days ago
Alaska Airlines
Tue, 2 Jun - Wed, 10 Jun
ORD
Chicago
LAS
Las Vegas
£205 Return, found 6 days ago
£205
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 2 Jun from Chicago to Las Vegas, returning Wed, 10 Jun, priced at £205 found 6 days ago
Delta
Tue, 29 Sept - Wed, 30 Sept
ORD
Chicago
LAS
Las Vegas
£205 Return, found 3 days ago
£205
Return
found 3 days ago
Select Delta flight, departing Tue, 29 Sept from Chicago to Las Vegas, returning Wed, 30 Sept, priced at £205 found 3 days ago
Alaska Airlines
Tue, 2 Jun - Thu, 4 Jun
ORD
Chicago
LAS
Las Vegas
£210 Return, found 2 days ago
£210
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 2 Jun from Chicago to Las Vegas, returning Thu, 4 Jun, priced at £210 found 2 days ago
Alaska Airlines
Tue, 30 Jun - Sat, 11 Jul
ORD
Chicago
LAS
Las Vegas
£213 Return, found 3 days ago
£213
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 30 Jun from Chicago to Las Vegas, returning Sat, 11 Jul, priced at £213 found 3 days ago
Alaska Airlines
Wed, 3 Jun - Sat, 6 Jun
ORD
Chicago
LAS
Las Vegas
£214 Return, found 3 days ago
£214
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 3 Jun from Chicago to Las Vegas, returning Sat, 6 Jun, priced at £214 found 3 days ago
Delta
Mon, 18 May - Mon, 1 Jun
ORD
Chicago
LAS
Las Vegas
£214 Return, found 3 days ago
£214
Return
found 3 days ago
Select Delta flight, departing Mon, 18 May from Chicago to Las Vegas, returning Mon, 1 Jun, priced at £214 found 3 days ago
American Airlines
Fri, 4 Sept - Sat, 5 Sept
ORD
Chicago
LAS
Las Vegas
£234 Return, found 6 days ago
£234
Return
found 6 days ago
Select American Airlines flight, departing Fri, 4 Sept from Chicago to Las Vegas, returning Sat, 5 Sept, priced at £234 found 6 days ago
United
Mon, 25 May - Wed, 10 Jun
ORD
Chicago
LAS
Las Vegas
£269 Return, found 3 days ago
£269
Return
found 3 days ago
Select United flight, departing Mon, 25 May from Chicago to Las Vegas, returning Wed, 10 Jun, priced at £269 found 3 days ago
JetBlue Airways
Tue, 2 Jun - Wed, 10 Jun
ORD
Chicago
LAS
Las Vegas
£293 Return, found 6 days ago
£293
Return
found 6 days ago
Select JetBlue Airways flight, departing Tue, 2 Jun from Chicago to Las Vegas, returning Wed, 10 Jun, priced at £293 found 6 days ago

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city centre is 6 minutes. Flights from £257
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from £257

Find the cheapest month to fly from Chicago (ORD) to Las Vegas (LAS)

May is typically the cheapest month to fly

From £61 - £156 per traveller.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
One-way flights typically cost between £261 and £661 and return flights often range between £247 and £865. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
August is typically the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), with average return fares of approximately £181. This is about 15% lower than the average price throughout the year. August often sees lower prices as the peak summer travel season winds down, leading to reduced demand. Other cheap months to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) include February and September.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Enter ORD to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. UA offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) is September. This month offers a great balance, as it's one of the cheapest times to fly with average return flights around £181, and it's also a very popular month for travel, meaning you'll have plenty of flight options to choose from. This information is based on booking data from the past year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
When flying from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), you'll find approximately 19 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 211 connecting flights per day. Some common connection points include Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) typically departs at approximately 12:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Las Vegas, NV (LAS-Harry Reid Intl.) (LAS) on a Thursday, with around 121 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) are in the early morning, from 6am to 9am. Approximately 29% of passengers prefer this time window. Many major carriers, including American Airlines and Delta Air Lines, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive in Las Vegas with plenty of time to enjoy your destination.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Flying nonstop from ORD to LAS takes around 4 hours 20 minutes, with the route covering approximately 1,511 miles. Flights with a layover typically take 3 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Select the "Business class" and "First class" filters when looking for ORD to LAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from O'Hare Intl. (ORD)?
If you're planning to travel to Las Vegas from O'Hare Intl. (ORD), you can fly directly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), Love Field (DAL) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£197
Distance
2417 km
Average flight time
2 hours 5 mins

Book with confidence

Compare flights from Chicago to Las Vegas easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Las Vegas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Harry Reid Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Harry Reid Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Harry Reid Intl. (LAS)

The easiest way to view the best deals on flights from Chicago to Las Vegas today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Harry Reid Intl. start at just £198 and range up to £293.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Las Vegas
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Las Vegas flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Harry Reid Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Las Vegas easily and book with confidence

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