How many flights depart from Chicago to Las Vegas on average per week?

322 flights are operational weekly from Chicago to Las Vegas as of July 2025. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.

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.

What is the cheapest airline that flies from Chicago to Las Vegas Harry Reid Intl?

Allegiant Air, Spirit Airlines, and Frontier are the most popular carriers operating from Chicago to Las Vegas Harry Reid Intl

How many flights depart from Chicago to Las Vegas on average per day?

As of July 2025, there are 46 flights per day flying from Chicago to Las Vegas. The most common time of day flights depart is 6:00PM, with 34% of flights taking off in the evening.

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 July 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.

$39 Cheap Flights from Chicago to Las Vegas in 2025

Q: What is the typical price of a round-trip flight between Chicago and Las Vegas?

Prices are currently low for flights on this route. Typical prices usually range from $198 to $373. The lowest price recently found on this route was $96.

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Find the cheapest flights from Chicago to Las Vegas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:21 pm - 5:16 pmORD-LAS

3h 55mnonstop

8:32 am - 2:16 pmLAS-ORD

3h 44mnonstop

$96Spirit Airlines

Find Deal

Wed, Oct 15 - Sat, Oct 18

3:21 pm - 5:16 pmORD-LAS

3h 55mnonstop

8:32 am - 2:16 pmLAS-ORD

3h 44mnonstop

$97Spirit Airlines

Find Deal

Fri, Oct 24 - Sun, Oct 26

10:21 pm - 12:25 amORD-LAS

4h 04mnonstop

2:44 pm - 8:50 pmLAS-ORD

4h 06mnonstop

$105Frontier

Find Deal

Mon, Aug 18 - Thu, Aug 21

12:58 pm - 2:42 pmRFD-LAS

3h 44mnonstop

6:45 am - 12:08 pmLAS-RFD

3h 23mnonstop

$106Allegiant Air

Find Deal

Sun, Aug 24 - Sun, Aug 31

9:52 pm - 11:58 pmORD-LAS

4h 06mnonstop

2:59 pm - 8:59 pmLAS-ORD

4h 00mnonstop

$107Frontier

Find Deal

Mon, Oct 27 - Fri, Oct 31

12:58 pm - 2:42 pmRFD-LAS

3h 44mnonstop

6:45 am - 12:08 pmLAS-RFD

3h 23mnonstop

$114Allegiant Air

Find Deal

Sun, Aug 24 - Thu, Aug 28

9:56 pm - 12:05 amORD-LAS

4h 09mnonstop

11:10 pm - 4:50 amLAS-ORD

3h 40mnonstop

$128

Find Deal

Fri, Aug 15 - Sun, Aug 17

9:56 pm - 12:05 amORD-LAS

4h 09mnonstop

12:34 am - 6:03 amLAS-ORD

3h 29mnonstop

$136

Find Deal

Sun, Aug 10 - Mon, Aug 11

7:50 am - 9:35 amMDW-LAS

3h 45mnonstop

2:30 pm - 8:00 pmLAS-MDW

3h 30mnonstop

$159Southwest

Find Deal

Tue, Aug 12 - Tue, Aug 19

7:20 pm - 9:10 pmMDW-LAS

3h 50mnonstop

11:40 pm - 5:10 amLAS-MDW

3h 30mnonstop

$169Southwest

Find Deal

Sat, Aug 9 - Tue, Aug 12

Spirit Airlines flights from Chicago to Las Vegas

Our best Spirit Airlines deals on Chicago to Las Vegas flight tickets

Spirit Airlines

Oct 15

ORD3:21 pmChicago O'Hare Intl

3h 55m

LAS5:16 pmLas Vegas Harry Reid Intl

Oct 18

LAS8:32 amLas Vegas Harry Reid Intl

3h 44m

ORD2:16 pmChicago O'Hare Intl

$96

Find similar

Spirit Airlines

Oct 24

ORD3:21 pmChicago O'Hare Intl

3h 55m

LAS5:16 pmLas Vegas Harry Reid Intl

Oct 26

LAS8:32 amLas Vegas Harry Reid Intl

3h 44m

ORD2:16 pmChicago O'Hare Intl

$97

Find similar

Spirit Airlines

Aug 6

ORD7:08 amChicago O'Hare Intl

3h 58m

LAS9:06 amLas Vegas Harry Reid Intl

Aug 7

LAS12:34 amLas Vegas Harry Reid Intl

3h 29m

ORD6:03 amChicago O'Hare Intl

$100

Find similar

Southwest flights from Chicago to Las Vegas

Our best Southwest deals on Chicago to Las Vegas flight tickets

Southwest

Aug 12

MDW7:50 amChicago Midway

3h 45m

LAS9:35 amLas Vegas Harry Reid Intl

Aug 19

LAS2:30 pmLas Vegas Harry Reid Intl

3h 30m

MDW8:00 pmChicago Midway

$159

Find similar

Southwest

Aug 9

MDW7:20 pmChicago Midway

3h 50m

LAS9:10 pmLas Vegas Harry Reid Intl

Aug 12

LAS11:40 pmLas Vegas Harry Reid Intl

3h 30m

MDW5:10 amChicago Midway

$169

Find similar

Southwest

Aug 28

MDW5:15 amChicago Midway

3h 45m

LAS7:00 amLas Vegas Harry Reid Intl

Sep 4

LAS5:50 pmLas Vegas Harry Reid Intl

3h 35m

MDW11:25 pmChicago Midway

$173

Find similar

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

Prices

Airlines

Other information

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 August is, on average, the cheapest month to fly to Las Vegas from Chicago, with most prices found around $218. The month of January is another great option to travel to Las Vegas, with average flight prices from Chicago averaging around $225.

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 $227. Flights from Chicago to Las Vegas on a Thursday will generally be more expensive and average around $289. 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 $227. Flights to Las Vegas are more costly in the morning, with an average ticket price of $306. 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 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $256 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 for as low as $199 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.

Can stopping save me money on Chicago to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Chicago to Las Vegas.

How have Chicago to Las Vegas flight prices changed over time?

As of July 2025, prices for Chicago to Las Vegas flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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	$39
Fastest flight time	3h 32m
Direct flights	Mon, Tue, Thu, Fri and Sat
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Chicago in the past 72 hours is $39. The best round-trip flight deal from Chicago to Las Vegas found on momondo in the last 72 hours is $96.

The fastest flight from Chicago to Las Vegas takes 3h 32m

Direct flights go from Chicago to Las Vegas on Monday, Tuesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Southwest, Allegiant Air and Spirit Airlines.

There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

Search flight deals

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 July 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 Boeing 737-800, making up 14.60% of the total bookings. Other popular models include Boeing 737 MAX 8 with 13.24%, Airbus A321neo with 12.62%, and Boeing 737-900 with 10.24%.
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 Spirit Airlines, representing 27% of all bookings. The subsequent popular airlines are Frontier at 25%, American Airlines at 19%, and United Airlines at 16%.

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
Frontier	PriceFrom $63	Free Cancellation	Rating 5.9 3,260 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $70	Free Cancellation	Rating 6.3 8,047 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $129	Free Cancellation	Rating 7.2 705 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $149	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $180	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
Sun Country Air	PriceFrom $203	Free Cancellation	Rating 6.9 335 reviews	Search Sun Country Air flights
Alaska Airlines	PriceFrom $222	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 8.0 7,953 reviews	Search Delta flights

Southwest Flights From Chicago to Las Vegas
Across 74 Southwest flights from Chicago to Las Vegas this week, the average price was $344, with the best Southwest deals starting from $180 round-trip. 4,244 users have rated Southwest on momondo, with an average score of 8.0/10.
United Airlines Flights From Chicago to Las Vegas
Across 8,858 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Las Vegas about 43 times each week, with ticket deals ranging from $149 to $473. Price data is based on momondo searches in the last 72 hours.

Laughlin

Mount Charleston

Henderson

Mesquite

North Las Vegas

Paradise

Kingman

Pahrump

Primm

Furnace Creek

Boulder City

Winchester

Sunrise Manor

Needles

Why use momondo?

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.

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Flights to Washington, D.C.from $43

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Cheap flights from Chicago to Las Vegas from $39

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 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Chicago to Las Vegas

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Chicago to Las Vegas

Our best Spirit Airlines deals on Chicago to Las Vegas flight tickets

Southwest flights from Chicago to Las Vegas

Our best Southwest deals on Chicago to Las Vegas flight tickets

See travel insights to Las Vegas from

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 August is, on average, the cheapest month to fly to Las Vegas from Chicago, with most prices found around $218. The month of January is another great option to travel to Las Vegas, with average flight prices from Chicago averaging around $225.

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

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?

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.

Can stopping save me money on Chicago to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Chicago to Las Vegas.

How have Chicago to Las Vegas flight prices changed over time?

As of July 2025, prices for Chicago to Las Vegas flights are approximately 26% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Las Vegas Harry Reid Intl?

Allegiant Air, Spirit Airlines, and Frontier are the most popular carriers operating from Chicago to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

How many flights depart from Chicago to Las Vegas on average per day?

As of July 2025, there are 46 flights per day flying from Chicago to Las Vegas. The most common time of day flights depart is 6:00PM, with 34% of flights taking off in the evening.

How many flights depart from Chicago to Las Vegas on average per week?

322 flights are operational weekly from Chicago to Las Vegas as of July 2025. The most popular departure day for this route is Fri, with 19% 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

Fastest flight time

Direct flights

Airports in Las Vegas

How far is Chicago to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Chicago to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Chicago to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly 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?

What is the most popular plane model from Chicago to Las Vegas?

What is the most popular airline from Chicago to Las Vegas?

Best airlines flying from Chicago to Las Vegas

Compare and see reviews for airlines that fly from Chicago to Las Vegas with momondo

Southwest Flights From Chicago to Las Vegas

United Airlines Flights From Chicago to Las Vegas

Traveling to a place near Las Vegas?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Las Vegas?

Can I find flights from Chicago to Las Vegas with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Nevada