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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from £73

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
16 May — 23 May1
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 59 days in advance, depart on a Monday or Wednesday and return on a Wednesday

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 16 April 2026.

Sat 30/516:05
ORD
-
LAS
1 stop8h 33m
Frontier
Sat 6/607:15
LAS
-
ORD
1 stop13h 46m
Frontier
Deal found 15/4£144
Thu 27/818:27
ORD
-
LAS
1 stop6h 27m
Spirit Airlines
Wed 2/907:30
LAS
-
ORD
Nonstop3h 29m
Spirit Airlines
Deal found 13/4£153
Sun 6/921:59
ORD
-
LAS
Nonstop3h 51m
Spirit Airlines
Tue 8/907:30
LAS
-
ORD
Nonstop3h 29m
Spirit Airlines
Deal found 12/4£164
Thu 28/516:05
ORD
-
LAS
1 stop8h 28m
Frontier
Thu 4/622:02
LAS
-
ORD
1 stop23h 11m
Frontier
Deal found 13/4£167
Fri 28/806:50
ORD
-
LAS
1 stop14h 12m
Spirit Airlines
Wed 2/907:30
LAS
-
ORD
Nonstop3h 29m
Spirit Airlines
Deal found 12/4£172
Tue 19/509:00
ORD
-
LAS
1 stop8h 29m
Alaska Airlines
Wed 17/614:38
LAS
-
ORD
1 stop6h 58m
Alaska Airlines
Deal found 15/4£185
Wed 20/519:50
ORD
-
LAS
Nonstop4h 12m
United Airlines
Wed 27/507:00
LAS
-
ORD
Nonstop3h 48m
United Airlines
Deal found 13/4£189
Fri 14/813:50
ORD
-
LAS
1 stop8h 49m
Frontier
Mon 17/814:48
LAS
-
ORD
1 stop7h 54m
Frontier
Deal found 13/4£192

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 16 April 2026.

Round-trip from

£144

One-way from

£73

Popular in

March

Cheapest in

August

Average price

£243

Good one-way deal

£139 or less
Frontier
  • Frontier
  • 30/5-6/6
  • 2 total stops
  • 22h 19m total
  • Chicago to Las Vegas
Search Deals
Frontier
  • Frontier
  • 11/6
  • Nonstop
  • 4h 16m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£19 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 April 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 16 April 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

Thu 27/8

14:30-19:02

1 stop6h 32m

Las Vegas Harry Reid Intl

Wed 2/9

19:57-05:35

1 stop7h 38m

£181

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 20/5

07:45-12:10

1 stop6h 25m

Las Vegas Harry Reid Intl

Sat 23/5

00:35-08:36

1 stop6h 01m

£204

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 26/5

06:15-08:15

Nonstop4h 00m

Las Vegas Harry Reid Intl

Tue 2/6

17:10-22:55

Nonstop3h 45m

£215

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 6/5

07:00-10:48

1 stop5h 48m

Las Vegas Harry Reid Intl

Sat 9/5

17:00-22:47

Nonstop3h 47m

£224

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 29/5

21:48-23:53

Nonstop4h 05m

Las Vegas Harry Reid Intl

Fri 5/6

16:25-00:44

1 stop6h 19m

£226
Fastest return journey

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 11/8

07:15-09:22

Nonstop4h 07m

Las Vegas Harry Reid Intl

Sat 15/8

23:40-05:10

Nonstop3h 30m

£239

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 4/6

05:00-09:07

1 stop6h 07m

Las Vegas Harry Reid Intl

Sat 6/6

00:36-06:20

Nonstop3h 44m

£254

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 7/6

19:45-21:54

Nonstop4h 09m

Las Vegas Harry Reid Intl

Wed 10/6

00:36-06:20

Nonstop3h 44m

£263

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 23/7

21:54-23:59

Nonstop4h 05m

Las Vegas Harry Reid Intl

Mon 27/7

23:30-05:11

Nonstop3h 41m

£263

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 19/6

21:48-23:53

Nonstop4h 05m

Las Vegas Harry Reid Intl

Sun 21/6

19:03-00:50

Nonstop3h 47m

£263

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 22 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 10 April 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 59 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 £102). 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 16 April 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.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Las Vegas?

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 37 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 6h 27m. Fly via Frontier or Spirit Airlines to get the fastest option. The distance from Chicago O'Hare Intl Airport to Las Vegas is about 1510 mi. This flight may include one or multiple stops.

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

    Consider Finnair (100%), Avianca (95%) or Turkish Airlines (91%) 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 £217, our data indicates the cheapest price to be £139. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around £162.

  • 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 £102). 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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