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Cheap flights from Chicago to Las Vegas from £88

CHI — LAS
19 Nov — 26 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in January or February, booked 83 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Chicago to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Las Vegas

Tue 1/1206:21 -
Nonstop4h 13m
Tue 8/1206:00 -
2 stops14h 00m
Deal found 17/10£185
Tue 1/1220:50 -
Nonstop4h 10m
Fri 4/1212:05 -
1 stop5h 50m
Deal found 19/10£185
Wed 2/1217:45 -
1 stop6h 05m
Sat 5/1205:55 -
2 stops6h 35m
Deal found 18/10£186
Thu 17/1213:41 -
1 stop8h 26m
Tue 22/1223:15 -
1 stop7h 35m
Deal found 19/10£188
Thu 3/1213:40 -
1 stop6h 20m
Thu 10/1206:35 -
Nonstop3h 30m
Deal found 19/10£188
Mon 14/1211:39 -
1 stop9h 07m
Tue 29/1212:17 -
1 stop7h 52m
Deal found 19/10£189
Thu 3/1213:40 -
1 stop6h 20m
Sat 5/1207:35 -
1 stop4h 50m
Deal found 18/10£189
Fri 13/1117:20 -
1 stop5h 55m
Tue 17/1110:45 -
1 stop4h 35m
Deal found 19/10£191
Sat 5/1210:25 -
1 stop6h 30m
Fri 11/1211:00 -
1 stop4h 45m
Deal found 19/10£192
Sun 6/1210:05 -
1 stop5h 20m
Wed 9/1206:35 -
Nonstop3h 30m
Deal found 19/10£194
Sat 5/1217:59 -
Nonstop4h 11m
Fri 11/1214:20 -
Nonstop3h 49m
Deal found 16/10£194
Sat 5/1218:15 -
Nonstop4h 05m
Tue 8/1218:50 -
Nonstop3h 25m
Deal found 18/10£194

Find flight deals from Chicago to Las Vegas

Round-trip from

£185

One-way from

£88

Popular in

October

Cheapest in

January

Average price

£295
Frontier
  • Frontier
  • 1/12-8/12
  • 2 total stops
  • 18h 13m total
  • Chicago to Las Vegas
Search Deals
Southwest
  • Southwest
  • 18/11-31/12
  • 1 total stop
  • 6h 05m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£8 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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

Cheapest return flight
Fastest return journey

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Fri 19/2

21:40-23:35

Nonstop3h 55m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£98

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Fri 29/1

19:30-21:35

Nonstop4h 05m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£98

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Thu 14/1

14:33-20:49

1 stop8h 16m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£101

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Fri 26/2

07:35-12:10

1 stop6h 35m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£101

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Wed 2/12

15:19-22:54

1 stop9h 35m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£105

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Fri 15/1

13:35-21:32

1 stop9h 57m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£105

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Sat 5/12

15:19-22:54

1 stop9h 35m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£105

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Wed 9/12

13:41-20:07

1 stop8h 26m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£105

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Mon 7/12

15:19-22:54

1 stop9h 35m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£105

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Mon 16/11

17:13-23:24

1 stop8h 11m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£105

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Chicago to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Chicago with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Chicago to Las Vegas

What is the cheapest month to book a flight from Chicago to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Chicago to Las Vegas (average of £190). Flying from Chicago to Las Vegas in October is currently the most expensive (average of £296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to LAS?

When flying from Chicago to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight at midday.

Weekly flight availability from Chicago to Las Vegas

The most flights from CHI to LAS are scheduled on a Sunday (69 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (32 on average).

How much does it cost for a return flight from Chicago to Las Vegas?

Airfare is below average for this route at the moment.
Chicago to Las Vegas flights typically cost between £196 and £335 in December.
The cheapest return price found within the last 5 days was £185 on Frontier (1 Dec–8 Dec).

How often are flights from Chicago to Las Vegas delayed?

About 20% of weekly flights between Chicago and Las Vegas have experienced delays in the past year, with the average delay time being 151 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from Chicago to Las Vegas?

The best time to book flights from Chicago to Las Vegas is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • What airport do you fly into for flights to Las Vegas from Chicago?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Chicago to Las Vegas. You should not have trouble finding flights to Harry Reid Intl from Chicago; the airport handles an average of 48 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Las Vegas airport from Chicago. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.

  • How long is the flight from Chicago to Las Vegas?

    Departing from Chicago to Las Vegas will take you 4h. There are 1516 mi between Chicago and Las Vegas. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Chicago to Las Vegas round-trip?

    Flying on Frontier is currently your cheapest option to Las Vegas, with prices starting at £189. Frontier is priced at 25% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Chicago to Las Vegas?

    Consider Avianca (82%), Air Canada (80%) or Frontier (76%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Las Vegas.

  • Can I find deals for flights from Chicago to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Chicago to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Las Vegas.

  • Can I find deals for business class flights from Chicago to Las Vegas?

    Yes. Cheapflights offers flight deals from Chicago to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Las Vegas (average of £190). Flying from Chicago to Las Vegas in October is currently the most expensive (average of £296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Furnace Creek
Henderson

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Alternative routes for Chicago to Las Vegas

O'Hare Intl to Las Vegas flights
St. Louis to Las Vegas flights

Top airline flying from Chicago to Las Vegas

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£189Average£215FlexibilityNo cancel feeOn-time62%
Search Frontier flights

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from Chicago today and book when prices fit your budget.

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