Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Las Vegas from £50

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 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Las Vegas

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
19:45 - 21:59ORD-LAS
4h 14mdirect
United Airlines Logo
23:30 - 05:06LAS-ORD
3h 36mdirect
£109United Airlines
Find Deal
Fri, 30 Jan - Fri, 30 Jan
Southwest Logo
07:15 - 09:20ORD-LAS
4h 05mdirect
Southwest Logo
16:55 - 22:35LAS-ORD
3h 40mdirect
£110Southwest
Find Deal
Tue, 2 Dec - Sat, 6 Dec
American Airlines Logo
19:47 - 22:02ORD-LAS
4h 15mdirect
American Airlines Logo
06:00 - 11:52LAS-ORD
3h 52mdirect
£111American Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
United Airlines Logo
21:05 - 23:19ORD-LAS
4h 14mdirect
United Airlines Logo
00:30 - 06:08LAS-ORD
3h 38mdirect
£113United Airlines
Find Deal
Fri, 16 Jan - Sun, 18 Jan
Frontier Logo
18:20 - 23:44ORD-LAS
7h 24m1 stop
Frontier Logo
00:59 - 00:15LAS-ORD
21h 16m1 stop
£118Frontier
Find Deal
Thu, 13 Nov - Sat, 15 Nov
Multiple Airlines Logo
18:20 - 23:44ORD-LAS
7h 24m1 stop
Multiple Airlines Logo
23:59 - 05:32LAS-ORD
3h 33mdirect
£128Multiple Airlines
Find Deal
Thu, 13 Nov - Sun, 16 Nov
Alaska Airlines Logo
20:59 - 09:44ORD-LAS
14h 45m1 stop
Alaska Airlines Logo
07:25 - 19:54LAS-ORD
10h 29m1 stop
£151Alaska Airlines
Find Deal
Sun, 7 Dec - Wed, 10 Dec
Multiple Airlines Logo
13:24 - 20:18ORD-LAS
8h 54m1 stop
Multiple Airlines Logo
21:48 - 12:39LAS-ORD
12h 51m1 stop
£156Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Alaska Airlines Logo
09:00 - 15:35ORD-LAS
8h 35m1 stop
Alaska Airlines Logo
07:00 - 17:10LAS-ORD
8h 10m1 stop
£157Alaska Airlines
Find Deal
Mon, 19 Jan - Tue, 27 Jan
Frontier Logo
13:24 - 20:18ORD-LAS
8h 54m1 stop
Frontier Logo
00:59 - 00:12LAS-ORD
21h 13m1 stop
£167Frontier
Find Deal
Sat, 13 Dec - Fri, 19 Dec

United Airlines flights from Chicago to Las Vegas

Our best United Airlines deals on Chicago to Las Vegas flight tickets
United Airlines
30 Jan
ORD19:45Chicago O'Hare Intl
4h 14m
LAS21:59Las Vegas Harry Reid Intl
30 Jan
LAS23:30Las Vegas Harry Reid Intl
3h 36m
ORD05:06Chicago O'Hare Intl
£109
Find similar
United Airlines
16 Jan
ORD21:05Chicago O'Hare Intl
4h 14m
LAS23:19Las Vegas Harry Reid Intl
18 Jan
LAS00:30Las Vegas Harry Reid Intl
3h 38m
ORD06:08Chicago O'Hare Intl
£113
Find similar
United Airlines
19 Nov
ORD19:37Chicago O'Hare Intl
4h 12m
LAS21:49Las Vegas Harry Reid Intl
27 Nov
LAS23:59Las Vegas Harry Reid Intl
3h 34m
ORD05:33Chicago O'Hare Intl
£114
Find similar

American Airlines flights from Chicago to Las Vegas

Our best American Airlines deals on Chicago to Las Vegas flight tickets
American Airlines
13 Dec
ORD19:47Chicago O'Hare Intl
4h 15m
LAS22:02Las Vegas Harry Reid Intl
20 Dec
LAS06:00Las Vegas Harry Reid Intl
3h 52m
ORD11:52Chicago O'Hare Intl
£111
Find similar
American Airlines
9 Nov
ORD20:45Chicago O'Hare Intl
4h 14m
LAS22:59Las Vegas Harry Reid Intl
13 Nov
LAS23:55Las Vegas Harry Reid Intl
3h 50m
ORD05:45Chicago O'Hare Intl
£275
Find similar
American Airlines
9 Nov
ORD07:00Chicago O'Hare Intl
6h 40m
1 stop
LAS11:40Las Vegas Harry Reid Intl
13 Nov
LAS23:55Las Vegas Harry Reid Intl
3h 50m
ORD05:45Chicago O'Hare Intl
£296
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chicago to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from Chicago 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

Fri 30/1

19:45-21:59

Nonstop4h 14m

Las Vegas Harry Reid Intl

Fri 30/1

23:30-05:06

Nonstop3h 36m

£109

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 2/12

07:15-09:20

Nonstop4h 05m

Las Vegas Harry Reid Intl

Sat 6/12

16:55-22:35

Nonstop3h 40m

£110

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 13/12

19:47-22:02

Nonstop4h 15m

Las Vegas Harry Reid Intl

Sat 20/12

06:00-11:52

Nonstop3h 52m

£111

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 16/1

21:05-23:19

Nonstop4h 14m

Las Vegas Harry Reid Intl

Sun 18/1

00:30-06:08

Nonstop3h 38m

£113

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 13/11

18:20-23:44

1 stop7h 24m

Las Vegas Harry Reid Intl

Sat 15/11

00:59-00:15

1 stop21h 16m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 13/11

18:20-23:44

1 stop7h 24m

Las Vegas Harry Reid Intl

Sun 16/11

23:59-05:32

Nonstop3h 33m

£128

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 7/12

20:59-09:44

1 stop14h 45m

Las Vegas Harry Reid Intl

Wed 10/12

07:25-19:54

1 stop10h 29m

£151

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 13/12

13:24-20:18

1 stop8h 54m

Las Vegas Harry Reid Intl

Sat 20/12

21:48-12:39

1 stop12h 51m

£156

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 19/1

09:00-15:35

1 stop8h 35m

Las Vegas Harry Reid Intl

Tue 27/1

07:00-17:10

1 stop8h 10m

£157

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 13/12

13:24-20:18

1 stop8h 54m

Las Vegas Harry Reid Intl

Fri 19/12

00:59-00:12

1 stop21h 13m

£167

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

In general, January is the cheapest month to fly from Chicago to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £165. If you’re not able to fly to Las Vegas in January, then February is your next best option. Flight prices from Chicago to Las Vegas during February average around £172.

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

The cheapest day to depart on your flight to Las Vegas is on a Friday when prices can be found for as low as £153. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £227.

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

Our data shows that the cheapest Chicago to Las Vegas flights are usually those with departure times at midday. Our users have found flights to Las Vegas at midday for as low as £93. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of £177. Departure times in the afternoon 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 Greater Rockford 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 £203 when searching weeks before you fly. 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 £165 on momondo.

What cabin class options are available on Chicago to Las Vegas Harry Reid Intl flights?

There are 3 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 October 2025, prices for Chicago to Las Vegas flights are approximately 18% more expensive 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 return 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

Fastest flight time

4h 04m

Direct flights

Every day

Airports in Las Vegas

1 airport
The fastest flight from Chicago to Las Vegas takes 4h 04m
Direct flights go from Chicago 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 to Las Vegas Harry Reid Intl by plane?

    Las Vegas Harry Reid Intl is 1519.9 mi away from Chicago. Typically, this will take 4h 05m by plane in normal conditions.

  • 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 are updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom £33Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights

  • Spirit Airlines Flights From Chicago to Las Vegas

    Spirit Airlines flies from Chicago to Las Vegas around 3 times per week, with 8,116 momondo users rating the airline 6.3/10. The cheapest Spirit Airlines deal from Chicago to Las Vegas in the last 72 hours was £33 (round-trip), much lower than the average airfare cost of £170 for Spirit Airlines flights on this route.

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Henderson
Kingman
Paradise
Laughlin
North Las Vegas
Mesquite
Boulder City
Furnace Creek
Mount Charleston

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?

Yes. momondo allows you to filter the results for Chicago to Las Vegas flights to just show those with flexible booking policies.

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?

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.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 30/11
Sun 7/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Nevada

Reno Airport