Cheap flights from Chicago to Las Vegas from $45
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 to Las Vegas departing on 5/20. 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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Allegiant Air flights from Chicago to Las Vegas
Our best Allegiant Air deals on Chicago to Las Vegas flight tickets
Frontier flights from Chicago to Las Vegas
Our best Frontier deals on Chicago to Las Vegas flight tickets
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How to get the cheapest flight ticket from Chicago 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 and Las Vegas?
What is the cheapest month to fly to Las Vegas?
The month of September is, on average, the cheapest month to fly to Las Vegas from Chicago, with most prices found around $210. The month of August is another great option to travel to Las Vegas, with average flight prices from Chicago averaging around $216.
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 $218. Flights from Chicago to Las Vegas on a Thursday will generally be more expensive and average around $280. 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 $210. 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 to Las Vegas Harry Reid Intl flight route?
Fly from Chicago O'Hare Intl to Las Vegas Harry Reid Intl for the best Chicago - 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 when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $248 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Chicago for as low as $207 on momondo.
What cabin class options are available on Chicago to Las Vegas Harry Reid Intl flights?
There are 4 cabin classes available to choose from on Chicago 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.
What is the cheapest airline that flies from Chicago to Las Vegas Harry Reid Intl?
Spirit Airlines, Allegiant Air, and Frontier are the most popular carriers operating from Chicago to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Spirit Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Las Vegas from Chicago according to our data. Spirit Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 9 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 to Las Vegas on average per day?
As of April 2025, there are 44 flights per day flying from Chicago to Las Vegas. The most common time of day flights depart is 7:00PM, with 41% of flights taking off in the evening.
How many flights depart from Chicago to Las Vegas on average per week?
311 flights are operational weekly from Chicago to Las Vegas as of April 2025. The most popular departure day for this route is Fri, with 20% of flights per week taking off on this day.
When to book flights from Chicago to Las Vegas
Cheap Chicago to Las Vegas (CHI to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Las Vegas
Best Price Found | $45 |
|---|---|
Fastest flight time | 3h 32m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Las Vegas | 1 airport |
How far is Chicago to Las Vegas Harry Reid Intl by plane?
A flight from Chicago to Las Vegas Harry Reid Intl will travel around 1519.9 mi. A reasonable flight in good conditions will take 3h 32m.
When did momondo last update prices for flights from Chicago to Las Vegas Harry Reid Intl Airport?
Prices for flights from Chicago to Las Vegas Harry Reid Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago to Las Vegas Harry Reid Intl Airport?
The number of operators available for flights from Chicago to Las Vegas Harry Reid Intl Airport is 9 as of April 2025.
How old do you have to be to fly from Chicago to Las Vegas Harry Reid Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 to Las Vegas?
Based on momondo bookings for flights between Chicago and Las Vegas, the leading plane model is Airbus A321neo, making up 20.78% of the total bookings. Other popular models include Airbus A320neo with 18.90%, Boeing 737-800 with 11.63%, and Boeing 737 MAX 8 with 9.72%.
What is the most popular airline from Chicago to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from Chicago to Las Vegas is Frontier, representing 27% of all bookings. The subsequent popular airlines are Spirit Airlines at 27%, American Airlines at 19%, and United Airlines at 17%.
Best airlines flying from Chicago to Las Vegas
Compare and see reviews for airlines that fly from Chicago to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $53 | Free Cancellation | Rating 5.9 3,277 reviews | |||
| PriceFrom $81 | Free Cancellation | Rating 6.3 7,912 reviews | |||
| PriceFrom $143 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 7.4 8,644 reviews | |||
| PriceFrom $161 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 8.0 4,279 reviews | |||
| PriceFrom $193 | Free Cancellation | Rating 6.9 349 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,912 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 8.0 9,851 reviews |
Southwest Flights From Chicago to Las Vegas
Across 82 Southwest flights from Chicago to Las Vegas this week, the average price was $372, with the best Southwest deals starting from $189 round-trip. 4,279 users have rated Southwest on momondo, with an average score of 8.0/10.
United Airlines Flights From Chicago to Las Vegas
Across 8,644 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Las Vegas about 20 times each week, with ticket deals ranging from $149 to $424. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Chicago to Las Vegas?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Chicago to Las Vegas with flexible booking policies on momondo?
All flight searches from Chicago to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Las Vegas?
Once all potential Chicago to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Las Vegas right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.