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

Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Las Vegas Harry Reid Intl

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Chicago O'Hare Intl Airport to Las Vegas on average per week?

As of November 2025, 173 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 Mon, with 21% of weekly flights taking off on this day.

How many flights depart from Chicago O'Hare Intl Airport to Las Vegas on average per day?

As of November 2025, 24 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 6:00PM, with 39% of daily flights taking off in the evening.

Which airline has the best punctuality record on Chicago to Las Vegas flights?

According to our data, JetBlue have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What is the most punctual flight time for Chicago to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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 31% 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 often are flights from Chicago to Las Vegas delayed?

Historically, on average around 18% of flights between Chicago and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

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 November 2025.

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.

$58 Cheap Flights from Chicago O'Hare Intl Airport to Las Vegas in 2025/26

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Cheap round-trip flights

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10:01 pm - 12:10 amORD-LAS

4h 09mnonstop

8:42 am - 9:58 pmLAS-ORD

11h 16m1 stop

$129Frontier

Find Deal

Thu, Jan 8 - Mon, Jan 12

1:24 pm - 8:18 pmORD-LAS

8h 54m1 stop

6:30 am - 8:17 pmLAS-ORD

11h 47m1 stop

$130Frontier

Find Deal

Sat, Dec 13 - Mon, Dec 15

7:44 pm - 9:58 pmORD-LAS

4h 14mnonstop

5:03 pm - 10:45 pmLAS-ORD

3h 42mnonstop

$131United Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

7:15 am - 9:30 amORD-LAS

4h 15mnonstop

9:45 am - 3:25 pmLAS-ORD

3h 40mnonstop

$140Southwest

Find Deal

Tue, Jan 20 - Fri, Jan 23

4:20 pm - 6:30 pmORD-LAS

4h 10mnonstop

7:15 am - 1:01 pmLAS-ORD

3h 46mnonstop

$145United Airlines

Find Deal

Wed, Jan 14 - Sat, Jan 17

6:06 pm - 7:16 amORD-LAS

15h 10m1 stop

11:59 pm - 5:32 amLAS-ORD

3h 33mnonstop

$153Spirit Airlines

Find Deal

Thu, Nov 27 - Tue, Dec 2

1:00 pm - 3:05 pmORD-LAS

4h 05mnonstop

8:25 am - 2:05 pmLAS-ORD

3h 40mnonstop

$155Southwest

Find Deal

Tue, Dec 2 - Sat, Dec 6

4:58 pm - 7:04 pmORD-LAS

4h 06mnonstop

11:59 pm - 5:32 amLAS-ORD

3h 33mnonstop

$157Spirit Airlines

Find Deal

Fri, Nov 28 - Mon, Dec 1

6:55 pm - 9:13 pmORD-LAS

4h 18mnonstop

1:53 pm - 7:45 pmLAS-ORD

3h 52mnonstop

$160American Airlines

Find Deal

Mon, Dec 1 - Wed, Dec 3

8:44 pm - 10:55 pmORD-LAS

4h 11mnonstop

3:14 pm - 9:08 pmLAS-ORD

3h 54mnonstop

$164American Airlines

Find Deal

Sun, Dec 7 - Wed, Dec 10

Southwest flights from Chicago O'Hare Intl Airport to Las Vegas

Our best Southwest deals on Chicago O'Hare Intl Airport to Las Vegas flight tickets

Southwest

Jan 20

ORD7:15 amChicago O'Hare Intl

4h 15m

LAS9:30 amLas Vegas Harry Reid Intl

Jan 23

LAS9:45 amLas Vegas Harry Reid Intl

3h 40m

ORD3:25 pmChicago O'Hare Intl

$140

Find similar

Southwest

Dec 2

ORD1:00 pmChicago O'Hare Intl

4h 05m

LAS3:05 pmLas Vegas Harry Reid Intl

Dec 6

LAS8:25 amLas Vegas Harry Reid Intl

3h 40m

ORD2:05 pmChicago O'Hare Intl

$155

Find similar

American Airlines flights from Chicago O'Hare Intl Airport to Las Vegas

Our best American Airlines deals on Chicago O'Hare Intl Airport to Las Vegas flight tickets

American Airlines

Dec 1

ORD6:55 pmChicago O'Hare Intl

4h 18m

LAS9:13 pmLas Vegas Harry Reid Intl

Dec 3

LAS1:53 pmLas Vegas Harry Reid Intl

3h 52m

ORD7:45 pmChicago O'Hare Intl

$160

Find similar

American Airlines

Dec 7

ORD8:44 pmChicago O'Hare Intl

4h 11m

LAS10:55 pmLas Vegas Harry Reid Intl

Dec 10

LAS3:14 pmLas Vegas Harry Reid Intl

3h 54m

ORD9:08 pmChicago O'Hare Intl

$164

Find similar

American Airlines

Dec 13

ORD7:47 pmChicago O'Hare Intl

4h 15m

LAS10:02 pmLas Vegas Harry Reid Intl

Dec 15

LAS3:14 pmLas Vegas Harry Reid Intl

3h 54m

ORD9:08 pmChicago O'Hare Intl

$174

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 1/8

10:01 pm-12:10 am

Nonstop4h 09m

Las Vegas Harry Reid Intl

Mon 1/12

8:42 am-9:58 pm

1 stop11h 16m

$129

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 12/13

1:24 pm-8:18 pm

1 stop8h 54m

Las Vegas Harry Reid Intl

Mon 12/15

6:30 am-8:17 pm

1 stop11h 47m

$130

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 12/10

7:44 pm-9:58 pm

Nonstop4h 14m

Las Vegas Harry Reid Intl

Sun 12/14

5:03 pm-10:45 pm

Nonstop3h 42m

$131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 1/20

7:15 am-9:30 am

Nonstop4h 15m

Las Vegas Harry Reid Intl

Fri 1/23

9:45 am-3:25 pm

Nonstop3h 40m

$140

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 1/14

4:20 pm-6:30 pm

Nonstop4h 10m

Las Vegas Harry Reid Intl

Sat 1/17

7:15 am-1:01 pm

Nonstop3h 46m

$145

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 11/27

6:06 pm-7:16 am

1 stop15h 10m

Las Vegas Harry Reid Intl

Tue 12/2

11:59 pm-5:32 am

Nonstop3h 33m

$153

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 12/2

1:00 pm-3:05 pm

Nonstop4h 05m

Las Vegas Harry Reid Intl

Sat 12/6

8:25 am-2:05 pm

Nonstop3h 40m

$155

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 11/28

4:58 pm-7:04 pm

Nonstop4h 06m

Las Vegas Harry Reid Intl

Mon 12/1

11:59 pm-5:32 am

Nonstop3h 33m

$157

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 12/1

6:55 pm-9:13 pm

Nonstop4h 18m

Las Vegas Harry Reid Intl

Wed 12/3

1:53 pm-7:45 pm

Nonstop3h 52m

$160

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 12/7

8:44 pm-10:55 pm

Nonstop4h 11m

Las Vegas Harry Reid Intl

Wed 12/10

3:14 pm-9:08 pm

Nonstop3h 54m

$164

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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

Prices

Airlines

Delays

Other information

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 O'Hare Intl Airport, with most prices found around $227. The month of January is another great option to travel to Las Vegas, with average flight prices from Chicago O'Hare Intl Airport averaging around $229.

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 $241. Flights from Chicago O'Hare Intl Airport to Las Vegas on a Thursday will generally be more expensive and average around $311. 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 $233. Flights to Las Vegas are more costly in the morning, with an average ticket price of $310. 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 $267 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 $218 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 November 2025, prices for Chicago O'Hare Intl Airport to Las Vegas flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Las Vegas

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

Estimated round-trip price

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

Best Price Found	$88
Fastest flight time	4h 01m
Direct flights	Every day
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Chicago O'Hare Intl Airport in the past 72 hours is $88. The best round-trip flight deal from Chicago O'Hare Intl Airport to Las Vegas found on momondo in the last 72 hours is $184.

The fastest flight from Chicago O'Hare Intl Airport to Las Vegas takes 4h 01m

Direct flights go from Chicago O'Hare Intl Airport to Las Vegas every day.

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

Search flight deals

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 4h 01m.
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 November 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 Airbus A320neo (16.17% of total bookings). The next most popular plane models are Boeing 737-800 (15.69%), Airbus A321neo (13.19%), and Boeing 737-900 (11.65%).
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 28% of all bookings. The subsequent popular airlines are American Airlines at 26%, United Airlines at 24%, and Frontier at 14%.

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
Frontier	PriceFrom $77	Free Cancellation	Rating 5.8 3,115 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $90	Free Cancellation	Rating 6.3 8,114 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $159	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
United Airlines	PriceFrom $161	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
Delta	PriceFrom $182	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta 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 11,241 reviews	Search Alaska Airlines flights

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 13 flights/week on average for this route. A good Southwest flight deal for Chicago O'Hare Intl Airport to Las Vegas starts from $159 round-trip, up to an average price of $319. 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 $161 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $366. United Airlines operates 27 flights to Las Vegas from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.4/10 across 9,001 reviews.

Laughlin

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Henderson

Mesquite

Paradise

North Las Vegas

Kingman

Pahrump

Primm

Furnace Creek

Boulder City

Sunrise Manor

Winchester

Needles

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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.

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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from $63

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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 cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Chicago O'Hare Intl Airport, with most prices found around $227. The month of January is another great option to travel to Las Vegas, with average flight prices from Chicago O'Hare Intl Airport averaging around $229.

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 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?

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 November 2025, prices for Chicago O'Hare Intl Airport to Las Vegas flights are approximately 31% 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?

Spirit Airlines, Frontier, 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?

How often are flights from Chicago to Las Vegas delayed?

Historically, on average around 18% of flights between Chicago and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the most punctual flight time for Chicago to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Las Vegas flights?

According to our data, JetBlue have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from Chicago O'Hare Intl Airport to Las Vegas on average per day?

As of November 2025, 24 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 6:00PM, with 39% 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 November 2025, 173 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 Mon, with 21% 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

Best Price Found

Fastest flight time

Direct flights

Airports in Las Vegas

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

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

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

How old do you have to be to fly 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?

What is the most popular plane model from Chicago O'Hare Intl Airport to Las Vegas?

What is the most popular airline from Chicago O'Hare Intl Airport to Las Vegas?

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

Southwest Flights From Chicago O'Hare Intl Airport to Las Vegas

United Airlines Flights From Chicago O'Hare Intl Airport 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