$66 Cheap Flights from Chicago (ORD) to Las Vegas (LAS)
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)
Alaska AirlinesAlaska Airlines
Frontier AirlinesFrontier Airlines
American AirlinesAmerican Airlines
UnitedUnited
DeltaDelta
JetBlue AirwaysJetBlue Airways
Sun Country AirlinesSun Country Airlines
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Cheap Flights from Chicago to Las Vegas (ORD-LAS)
Find the cheapest month to fly from Chicago (ORD) to Las Vegas (LAS)
December is typically the cheapest month to flyDecember is typically the cheapest month to fly
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Chicago (ORD) to Las Vegas (LAS) at a glance
Travel from Chicago (ORD) to Las Vegas (LAS) with a selection of airlines offering convenient domestic routes. Compare various options, including full-service and low-cost carriers, to discover the best itinerary that suits your budget, schedule, and travel plans. As you prepare to explore the vibrant sights and neighborhoods of Las Vegas, gather essential details for your journey from O'Hare International Airport (ORD) to Harry Reid International Airport (LAS).
- Fastest flight duration: around 4h 15m non-stop
- Route distance: roughly 1,500 miles (2,410 km)
- Flights per week: around 100+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $65–$360, depending on seasonality and how far ahead you book
Flights from O'Hare International Airport (ORD) to Harry Reid International Airport (LAS)
Based on the latest traveler bookings, here are the top airlines favored for journeys from Chicago to Las Vegas, particularly for non-stop and one-stop flights. Common layover points include Denver International Airport (DEN), Sky Harbor International Airport (PHX), and Los Angeles International Airport (LAX), each with an average layover time of about 1 hour and 15 minutes. These options allow you to customize your travel experience by balancing price, overall travel time, and cabin class to discover the best itinerary for your trip.
- United: This full-service airline provides both non-stop and one-stop options, with one-way ticket prices generally between $75 and $430. United operates around 43% of the flights on this route, featuring a standard non-stop travel time of 4 hours and 15 minutes.
- American Airlines: As another full-service option, American Airlines offers non-stop and one-stop flights, with typical one-way fares ranging from $75 to $375. This carrier represents about 35% of the departures for this route, with a usual non-stop flight duration of 4 hours and 15 minutes.
- Southwest Airlines: Known for its low-cost structure, Southwest provides non-stop and one-stop service, with one-way fares typically varying from $70 to $355. It accounts for around 11% of the departures on this route, maintaining an average non-stop flight time of 4 hours and 15 minutes.
- Frontier Airlines: Another low-cost airline, Frontier offers both non-stop and one-stop services, with one-way fares usually falling between $65 and $245. It comprises about 9% of the departures on this route, with a standard non-stop travel time of 4 hours and 15 minutes.
- Delta: Delta operates one-stop flights with one-way fares typically ranging from $115 to $430. It makes up roughly 1% of the departures on this route, featuring an in-flight duration of 5 hours and 30 minutes, with total journey time around 7 hours, including layover.
Travelers flying from Chicago to Las Vegas have the option to enhance their experience with upgraded flight choices. Top airlines such as United and Delta provide both first class and premium economy class, while American Airlines offers first-class service for a more luxurious journey.
Best time to fly from Chicago (ORD) to Las Vegas (LAS)
The most popular months for travelers flying from Chicago to Las Vegas are February, March, and April, when peak temperatures in Las Vegas reach up to 66.4°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 55.4°F. For better deals, August usually offers the lowest average one-way fare around $152. Flight availability peaks in September, with approximately 126 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 79 flights per week.
- Cheapest time to fly: August usually offers good deals with average one-way fare around $152, roughly 16% cheaper than the yearly average.
- Another budget-friendly time to fly: July typically offers an average one-way fare of around $167.
- Most flight options: September has the highest number of flights from Chicago to Las Vegas, with approximately 126 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 46.8°F (8.2°C) | Average | 79 | $177 |
| February | 50.4°F (10.2°C) | High | 91 | $176 |
| March | 57.9°F (14.4°C) | High | 106 | $213 |
| April | 66.4°F (19.1°C) | High | 106 | $188 |
| May | 74.5°F (23.6°C) | Average | 101 | $177 |
| June | 86.0°F (30.0°C) | Low | 100 | $187 |
| July | 91.6°F (33.1°C) | Average | 96 | $167 |
| August | 89.4°F (31.9°C) | Average | 99 | $152 |
| September | 82.6°F (28.1°C) | Average | 126 | $181 |
| October | 68.5°F (20.3°C) | Average | 114 | $180 |
| November | 55.4°F (13.0°C) | Low | 98 | $180 |
| December | 45.9°F (7.7°C) | Low | 95 | $199 |
*Average one-way fare is based on EasyTrip flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative route from Chicago (ORD) to Las Vegas (LAS)
- Chicago to Las Vegas (MDW-LAS): Midway International Airport (MDW) is located approximately 16 miles from O'Hare International Airport (ORD). One-way economy ticket prices on this route generally fall between $70 and $375, influenced by the season and timing of your booking. Travelers can choose from both non-stop and one-stop flights. The leading airlines for this route include low-cost carriers like Southwest Airlines and Frontier Airlines. Additionally, there are options for first-class service on this route.
How to find the best prices for flights from Chicago (ORD) to Las Vegas (LAS)
Getting some of the best deals on flights from Chicago to Las Vegas is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures from 6 PM to 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Sunday tends to be cheaper, even though Friday is the busiest travel day.
- Set up price alerts: stay updated on price changes by using EasyTrip's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on EasyTrip, or unlock a hotel deal after booking your flight.*
- Compare flight options: use EasyTrip's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Harry Reid International Airport from O'Hare International Airport
Las Vegas welcomes travelers from Chicago with a range of transport options based on price, convenience, and proximity. Here's how to reach Las Vegas efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Las Vegas, with private rides that can be arranged in advance.
- Car rental: Renting a car from Harry Reid International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Harry Reid International Airport on EasyTrip.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Harry Reid International Airport, Las Vegas International Airport Station, a train station, is a short 0.1-mile walk from the terminal, while South Strip Transit Terminal, a bus station, is located about 2.5 miles away by car. Additionally, MGM Grand Monorail Station, a metro station, is approximately 3.4 miles from the airport, also reachable by car.
Chicago to Las Vegas Flights
The cheapest times to fly from Chicago to Las Vegas
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Las Vegas are during the month of December. You can find some of the cheapest flights from Chicago to Las Vegas with EasyTrip's search tool and vast selection of airlines.
The best time to book a flight from Chicago to Las Vegas
Sunday is one of the best days to book for cheap flights from Chicago to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Chicago to Las Vegas
Being flexible with your dates and using EasyTrip's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Las Vegas in 2026. You can also book with separate airlines for your outbound and return journeys, from $66 one-way. EasyTrip also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
EasyTrip's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Las Vegas flights and uses historical data to indicate when the best time to book is. Download EasyTrip's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of EasyTrip's vacation packages. Bundling together your Chicago to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, EasyTrip's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find cheap one-way flights from $66 and cheap return flights $129 Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) with EasyTrip. One-way flights generally range between $121 and $1094, and roundtrip flights usually range from $272 to $2419. 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 EasyTrip by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on EasyTrip in the last year. Prices include multi-airline options.
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 (ORD) to Las Vegas (LAS), with average round-trip fares around $243. This is about 15% lower than the average price throughout the year, as travel demand decreases after the summer peak. Other economical months to fly include February and September.
*Averages based on flights available on EasyTrip in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
4 airlines operate nonstop service from ORD to LAS:
- United operates around 70 direct flights from ORD to LAS every week
- American Airlines operates around 48 direct flights from ORD to LAS every week
- Spirit Airlines operates around 7 direct flights from ORD to LAS every week
- Frontier Airlines operates around 9 direct flights from ORD to LAS every week
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. EasyTrip 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) to Las Vegas, NV (LAS) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from ORD to LAS, which is great 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 (ORD) to Las Vegas (LAS) is typically in August or September. During these months, you can find return flights at around $243, making it a budget-friendly option. August is particularly appealing as it falls just before the fall travel rush, while September offers pleasant weather and fewer crowds, allowing you to enjoy your trip to the fullest.
*Prices based on flights available on EasyTrip in the last year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You can find approximately 20 nonstop flights per day from O'Hare Intl. (ORD) to Harry Reid International Airport (LAS). For more options, look at flights that include layovers.
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 O'Hare International Airport (ORD) to Las Vegas (LAS) usually departs at midnight, operated by American Airlines. An early departure like this can help you maximize your time in Las Vegas. This service operates seasonally in December. To compare early flights on EasyTrip, select the "Early Morning" and "Morning" filters in your search.
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 (ORD) to Las Vegas (LAS) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including Delta Airlines, American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Las Vegas with a full day ahead of you.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A nonstop flight from ORD to LAS typically takes around 4 hours 20 minutes, covering approximately 1,511 miles. Connecting flights on this route usually add 5 hours to your travel time. 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.)?
First class is available on flights from ORD to LAS. First class cabins are available on:
- Spirit Airlines
- Delta Air Lines
- American Airlines
- United Airlines
How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A direct, return business class ticket from Chicago (ORD) to Las Vegas (LAS) typically costs between $1,538 - $2,230. A non-stop, one-way business class flight is usually around $703 - $1,240. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) if you opt for a connecting flight.
*Prices based on flights available on EasyTrip in the last year.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with EasyTrip?
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 EasyTrip. 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 EasyTrip.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on EasyTrip 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 into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Love Field (DAL), Denver Intl. (DEN) before reaching Las Vegas. Compare routes and airports on EasyTrip 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.) Las Vegas Vacation Packages is usually cheaper than booking separately. With EasyTrip, 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 | Chicago O'Hare Intl. Airport |
|---|---|
Destination airport | Harry Reid Intl. Airport |
Distance | 1,510 miles away |
Airlines serving | Alaska Airlines, Frontier Airlines, American Airlines, United, Delta, JetBlue Airways, Sun Country Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $129 |
Average flight time | 4 hours 35 mins |
