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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from £64

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in August or January, booked 28 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from O'Hare Intl to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Las Vegas
Explore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Fri 1/522:07
ORD
-
LAS
Nonstop3h 52m
Spirit Airlines
Sat 9/523:51
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 18/3£113
Fri 17/422:07
ORD
-
LAS
Nonstop3h 52m
Spirit Airlines
Fri 24/420:19
LAS
-
ORD
1 stop7h 16m
Spirit Airlines
Deal found 18/3£118
Thu 7/520:52
ORD
-
LAS
Nonstop4h 02m
Spirit Airlines
Thu 28/523:51
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 21/3£127
Tue 5/507:30
ORD
-
LAS
1 stop7h 06m
Spirit Airlines
Thu 7/522:52
LAS
-
ORD
1 stop9h 54m
Spirit Airlines
Deal found 17/3£129
Sat 2/508:00
ORD
-
LAS
1 stop13h 29m
Spirit Airlines
Sat 9/513:31
LAS
-
ORD
1 stop14h 04m
Spirit Airlines
Deal found 18/3£130
Mon 22/621:59
ORD
-
LAS
Nonstop3h 51m
Spirit Airlines
Tue 30/607:30
LAS
-
ORD
Nonstop3h 29m
Spirit Airlines
Deal found 21/3£147
Fri 24/419:59
ORD
-
LAS
1 stop15h 32m
Alaska Airlines
Mon 27/419:42
LAS
-
ORD
1 stop15h 31m
Alaska Airlines
Deal found 18/3£148
Sun 3/507:55
ORD
-
LAS
1 stop8h 30m
Multiple Airlines
Sun 10/523:51
LAS
-
ORD
Nonstop3h 34m
Multiple Airlines
Deal found 19/3£150
Fri 15/520:52
ORD
-
LAS
Nonstop4h 02m
Multiple Airlines
Mon 18/506:30
LAS
-
ORD
1 stop12h 07m
Multiple Airlines
Deal found 19/3£157
Wed 29/706:22
ORD
-
LAS
1 stop9h 36m
Alaska Airlines
Fri 31/711:11
LAS
-
ORD
1 stop10h 28m
Alaska Airlines
Deal found 17/3£163
Fri 15/521:42
ORD
-
LAS
1 stop18h 02m
Frontier
Sun 17/500:29
LAS
-
ORD
1 stop18h 08m
Frontier
Deal found 19/3£172
Tue 12/512:40
ORD
-
LAS
1 stop13h 14m
Frontier
Tue 19/508:00
LAS
-
ORD
1 stop13h 13m
Frontier
Deal found 18/3£174

Find flight deals from O'Hare Intl to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 March 2026.

Round-trip from

£113

One-way from

£64

Popular in

March

Cheapest in

August

Average price

£250

Good one-way deal

£26 or less
Spirit Airlines
  • Spirit Airlines
  • 1/5-9/5
  • Nonstop
  • 7h 26m total
  • Chicago to Las Vegas
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 23/6
  • Nonstop
  • 3h 51m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl 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, Cheapflights users made 858,174 searches. Data last updated 22 March 2026.
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

Cheapest return flight

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 5/7

06:22-13:58

1 stop9h 36m

Las Vegas Harry Reid Intl

Thu 9/7

06:00-17:41

1 stop9h 41m

£193

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 25/4

15:05-21:10

1 stop8h 05m

Las Vegas Harry Reid Intl

Sat 2/5

17:40-23:25

Nonstop3h 45m

£200

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 14/8

14:20-21:43

1 stop9h 23m

Las Vegas Harry Reid Intl

Mon 17/8

07:59-19:00

1 stop9h 01m

£208

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 26/7

06:22-13:58

1 stop9h 36m

Las Vegas Harry Reid Intl

Fri 31/7

11:11-23:39

1 stop10h 28m

£208

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 2/5

16:15-23:20

2 stops9h 05m

Las Vegas Harry Reid Intl

Sat 9/5

09:25-22:20

2 stops10h 55m

£215

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 24/4

19:50-22:04

Nonstop4h 14m

Las Vegas Harry Reid Intl

Mon 27/4

23:59-05:38

Nonstop3h 39m

£223

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 15/5

16:15-23:05

2 stops8h 50m

Las Vegas Harry Reid Intl

Mon 18/5

05:00-13:15

1 stop6h 15m

£241

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 29/5

07:11-09:19

Nonstop4h 08m

Las Vegas Harry Reid Intl

Sun 31/5

00:36-06:20

Nonstop3h 44m

£250

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 12/5

16:15-18:28

Nonstop4h 13m

Las Vegas Harry Reid Intl

Fri 15/5

07:00-12:47

Nonstop3h 47m

£275
Fastest return journey

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 27/6

21:59-23:50

Nonstop3h 51m

Las Vegas Harry Reid Intl

Tue 7/7

07:30-12:59

Nonstop3h 29m

£298

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from O'Hare Intl to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Las Vegas

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Las Vegas?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Las Vegas. Price data was last updated on 13 March 2026.

The price you pay for your flight from Chicago O'Hare Intl Airport to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of £43). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of £100). 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 ORD to LAS?

Find hourly flight availability from O'Hare Intl to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 March 2026.

It’s optimal to fly from Chicago O'Hare Intl Airport to Las Vegas in the afternoon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Chicago O'Hare Intl?

    Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Chicago O'Hare Intl. On average, Harry Reid Intl has 36 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Las Vegas Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Las Vegas?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Las Vegas in 3h 52m. Fly via Spirit Airlines to get the fastest option. The distance from Chicago O'Hare Intl Airport to Las Vegas is about 1510 mi. All flights are typically direct.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Las Vegas?

    Consider Turkish Airlines (88%), United Airlines (85%) or Air Canada (84%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Las Vegas.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Las Vegas?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Las Vegas? While on average our users pay £126, our data indicates the cheapest price to be £26. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around £91.

  • Can I find deals for flights from O'Hare Intl to Las Vegas that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Las Vegas?

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

  • Can I find deals for business class flights from O'Hare Intl to Las Vegas?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of £43). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of £100). 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

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Can Cheapflights find flights from O'Hare Intl to Las Vegas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to Las Vegas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Las Vegas become cheaper?

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