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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from £87

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
8 Jun — 15 Jun1
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 Tuesday

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 9 May 2026.

Tue 9/607:20
ORD
-
LAS
Nonstop4h 16m
Frontier
Tue 16/623:20
LAS
-
ORD
Nonstop3h 47m
Frontier
Deal found 8/5£157
Fri 12/607:20
ORD
-
LAS
Nonstop4h 16m
Frontier
Wed 17/607:25
LAS
-
ORD
1 stop15h 23m
Frontier
Deal found 6/5£165
Wed 3/613:29
ORD
-
LAS
1 stop9h 22m
Frontier
Wed 10/623:20
LAS
-
ORD
Nonstop3h 47m
Frontier
Deal found 6/5£168
Wed 10/607:20
ORD
-
LAS
Nonstop4h 16m
Frontier
Wed 17/607:25
LAS
-
ORD
1 stop15h 23m
Frontier
Deal found 6/5£168
Fri 12/614:20
ORD
-
LAS
1 stop9h 23m
Multiple Airlines
Tue 16/623:20
LAS
-
ORD
Nonstop3h 47m
Multiple Airlines
Deal found 6/5£171
Wed 10/607:20
ORD
-
LAS
Nonstop4h 16m
Frontier
Fri 19/606:15
LAS
-
ORD
1 stop12h 28m
Frontier
Deal found 6/5£173
Thu 11/607:20
ORD
-
LAS
Nonstop4h 16m
Frontier
Fri 19/606:15
LAS
-
ORD
1 stop12h 28m
Frontier
Deal found 6/5£176
Fri 19/621:48
ORD
-
LAS
1 stop27h 41m
Frontier
Fri 26/623:20
LAS
-
ORD
Nonstop3h 47m
Frontier
Deal found 5/5£180

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 9 May 2026.

Round-trip from

£157

One-way from

£87

Popular in

March

Cheapest in

August

Average price

£253

Good one-way deal

£116 or less
Frontier
  • Frontier
  • 9/6-16/6
  • Nonstop
  • 8h 03m total
  • Chicago to Las Vegas
Search Deals
Frontier
  • Frontier
  • 27/5
  • 1 total stop
  • 29h 36m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 9 May 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

Sat 6/6

16:30-18:34

Nonstop4h 04m

Las Vegas Harry Reid Intl

Tue 9/6

14:25-20:23

Nonstop3h 58m

£193

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 6/6

19:50-21:59

Nonstop4h 09m

Las Vegas Harry Reid Intl

Wed 10/6

23:59-05:40

Nonstop3h 41m

£193

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 4/6

15:54-17:57

Nonstop4h 03m

Las Vegas Harry Reid Intl

Mon 8/6

23:59-05:40

Nonstop3h 41m

£198

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 14/8

10:57-13:03

Nonstop4h 06m

Las Vegas Harry Reid Intl

Mon 17/8

23:40-05:10

Nonstop3h 30m

£230

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 27/5

06:15-08:15

Nonstop4h 00m

Las Vegas Harry Reid Intl

Sat 30/5

13:45-22:20

1 stop6h 35m

£234

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 26/8

12:40-17:01

1 stop6h 21m

Las Vegas Harry Reid Intl

Fri 28/8

23:40-05:10

Nonstop3h 30m

£237

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 17/7

14:20-21:43

1 stop9h 23m

Las Vegas Harry Reid Intl

Thu 23/7

18:27-05:00

1 stop8h 33m

£240

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 14/6

06:20-13:58

1 stop9h 38m

Las Vegas Harry Reid Intl

Fri 19/6

14:38-23:36

1 stop6h 58m

£262

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 11/6

06:20-13:58

1 stop9h 38m

Las Vegas Harry Reid Intl

Thu 18/6

14:38-23:36

1 stop6h 58m

£262

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 14/6

06:20-13:58

1 stop9h 38m

Las Vegas Harry Reid Intl

Mon 15/6

14:38-23:36

1 stop6h 58m

£262

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 23 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?

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 58 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of £162). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of £264). 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 9 May 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 45 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 4h. Fly via United Airlines or Southwest 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 Avianca (94%), Brussels Airlines (80%) or Air Canada (80%) 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 £138, our data indicates the cheapest price to be £78. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around £201.

  • 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of £162). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of £264). 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?

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

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