Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from $46
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Las Vegas departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Chicago O'Hare Intl Airport to Las Vegas
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Spirit Airlines flights from Chicago O'Hare Intl Airport to Las Vegas
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Las Vegas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Las Vegas?
What is the cheapest month to fly to Las Vegas?
The month of October is, on average, the cheapest month to fly to Las Vegas from Chicago O'Hare Intl Airport, with most prices found around $208. The month of August is another great option to travel to Las Vegas, with average flight prices from Chicago O'Hare Intl Airport averaging around $218.
What is the cheapest day to depart on your flight to Las Vegas?
Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $225. Flights from Chicago O'Hare Intl Airport to Las Vegas on a Thursday will generally be more expensive and average around $288. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Las Vegas?
The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $224. Flights to Las Vegas are more costly in the morning, with an average ticket price of $307. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago O'Hare Intl to Las Vegas Harry Reid Intl flight route?
Fly from Chicago O'Hare Intl to Las Vegas Harry Reid Intl for the best Chicago O'Hare Intl - Las Vegas Harry Reid Intl flight prices
How far in advance should I book a flight to Las Vegas?
You are more likely to see cheaper flights to Las Vegas from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $254 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Chicago O'Hare Intl Airport for as low as $200 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Las Vegas Harry Reid Intl flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Chicago O'Hare Intl Airport to Las Vegas flights?
No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Las Vegas.
How have Chicago O'Hare Intl Airport to Las Vegas flight prices changed over time?
As of July 2025, prices for Chicago O'Hare Intl Airport to Las Vegas flights are approximately 45% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago O'Hare Intl to Las Vegas Harry Reid Intl?
Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Spirit Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to Las Vegas from Chicago O'Hare Intl Airport according to our data. Spirit Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 8 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Las Vegas on average per day?
As of July 2025, 19 flights take off from Chicago O'Hare Intl Airport and land in Las Vegas each day. The most common flight departure time for this route is 7:00PM, with 41% of daily flights taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Las Vegas on average per week?
As of July 2025, 137 flights take off from Chicago O'Hare Intl Airport and land in Las Vegas each week. The most common flight departure day for this route is Thu, with 32% of weekly flights taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Las Vegas
Cheap Chicago O'Hare Intl Airport to Las Vegas (ORD to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Las Vegas
How far is Chicago O'Hare Intl to Las Vegas Harry Reid Intl by plane?
There are 1506.6 mi between Chicago O'Hare Intl and Las Vegas Harry Reid Intl. By plane, this route typically takes 3h 45m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl Airport is 8 as of July 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Las Vegas?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Las Vegas is Boeing 737-800 (15.38% of total bookings). The next most popular plane models are Airbus A321neo (14.55%), Boeing 737 MAX 8 (12.68%), and Boeing 737-900 (10.90%).
What is the most popular airline from Chicago O'Hare Intl Airport to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Las Vegas is Spirit Airlines, representing 32% of all bookings. The subsequent popular airlines are American Airlines at 26%, United Airlines at 20%, and Frontier at 15%.
Best airlines flying from Chicago O'Hare Intl Airport to Las Vegas
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $56 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $159 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $173 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $183 | Free Cancellation | Rating 8.0 4,270 reviews | |||
| PriceFrom $203 | Free Cancellation | Rating 6.9 339 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,983 reviews |
Southwest Flights From Chicago O'Hare Intl Airport to Las Vegas
Southwest is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Las Vegas, operating 9 flights/week on average for this route. A good Southwest flight deal for Chicago O'Hare Intl Airport to Las Vegas starts from $183 round-trip, up to an average price of $338. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Chicago O'Hare Intl Airport to Las Vegas
United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago O'Hare Intl Airport to Las Vegas start from as low as $173 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $376. United Airlines operates 24 flights to Las Vegas from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.4/10 across 8,861 reviews.
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Why should I use momondo to find a flight deal from Chicago to Las Vegas?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Las Vegas. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to Las Vegas with flexible booking policies on momondo?
Yes. All flights to Las Vegas from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Las Vegas?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Las Vegas.
I’m not ready to book a flight from Chicago to Las Vegas right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Las Vegas from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.