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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from £53

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in October or August, booked 27 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap 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 29 August 2025.

Round-trip from

£102

One-way from

£53

Popular in

December

Cheapest in

October

Average price

£167

Good one-way deal

£58 or less
Frontier
  • Frontier
  • 10/9-18/9
  • 1 total stop
  • 10h 54m total
  • Chicago to Las Vegas
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Spirit Airlines
  • Spirit Airlines
  • 10/1
  • Nonstop
  • 4h 05m total
  • Chicago to Las Vegas
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High demand for flights, 1% potential price rise
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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 August 2025
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Price to beat on a one-way flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl.
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Find flight deals from O'Hare Intl to Las Vegas

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 29 August 2025.

Sun 7/913:03ORD - LAS
Nonstop4h 19mFrontier
Sat 13/911:25LAS - ORD
1 stop10h 33mFrontier
Deal found 28/8£97
Wed 10/918:44ORD - LAS
1 stop7h 06mFrontier
Thu 18/906:00LAS - ORD
Nonstop3h 48mFrontier
Deal found 28/8£102
Sat 6/909:00ORD - LAS
Nonstop4h 05mSpirit Airlines
Sat 13/915:50LAS - ORD
Nonstop3h 42mSpirit Airlines
Deal found 28/8£103
Sat 6/909:00ORD - LAS
Nonstop4h 05mMultiple Airlines
Fri 19/914:57LAS - ORD
Nonstop4h 02mMultiple Airlines
Deal found 28/8£106
Sat 6/917:30ORD - LAS
1 stop8h 20mFrontier
Fri 19/914:57LAS - ORD
Nonstop4h 02mFrontier
Deal found 28/8£107
Tue 9/918:44ORD - LAS
1 stop7h 06mMultiple Airlines
Tue 16/915:50LAS - ORD
Nonstop3h 42mMultiple Airlines
Deal found 28/8£107
Sat 6/917:30ORD - LAS
1 stop8h 20mMultiple Airlines
Wed 17/915:50LAS - ORD
Nonstop3h 42mMultiple Airlines
Deal found 28/8£108
Sat 6/909:00ORD - LAS
Nonstop4h 05mSpirit Airlines
Thu 18/915:50LAS - ORD
Nonstop3h 42mSpirit Airlines
Deal found 28/8£109
Mon 8/910:42ORD - LAS
1 stop7h 27mFrontier
Wed 10/900:59LAS - ORD
1 stop6h 38mFrontier
Deal found 27/8£112
Sat 6/917:30ORD - LAS
1 stop8h 20mFrontier
Mon 15/900:55LAS - ORD
1 stop7h 45mFrontier
Deal found 28/8£113
Mon 8/918:05ORD - LAS
Nonstop4h 06mSpirit Airlines
Tue 16/913:10LAS - ORD
Nonstop3h 41mSpirit Airlines
Deal found 28/8£115
Wed 10/918:44ORD - LAS
1 stop7h 06mFrontier
Fri 19/914:57LAS - ORD
Nonstop4h 02mFrontier
Deal found 28/8£116

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 29 August 2025.
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

O'Hare Intl

Fly to

Las Vegas

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 5/11

07:15-09:20

Nonstop4h 05m

Las Vegas Harry Reid Intl

Sat 8/11

08:25-14:05

Nonstop3h 40m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 8/11

19:37-21:49

Nonstop4h 12m

Las Vegas Harry Reid Intl

Tue 11/11

07:15-12:57

Nonstop3h 42m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 6/10

18:59-21:03

Nonstop4h 04m

Las Vegas Harry Reid Intl

Wed 8/10

07:00-12:51

Nonstop3h 51m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 4/11

07:30-09:39

Nonstop4h 09m

Las Vegas Harry Reid Intl

Fri 7/11

17:03-22:45

Nonstop3h 42m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 11/11

07:15-09:20

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 18/11

16:55-22:35

Nonstop3h 40m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 6/12

16:15-18:24

Nonstop4h 09m

Las Vegas Harry Reid Intl

Thu 11/12

12:42-18:25

Nonstop3h 43m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 25/10

14:20-16:18

Nonstop3h 58m

Las Vegas Harry Reid Intl

Sat 1/11

23:59-05:33

Nonstop3h 34m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 4/11

07:30-09:39

Nonstop4h 09m

Las Vegas Harry Reid Intl

Wed 5/11

12:40-18:23

Nonstop3h 43m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 4/11

19:37-21:49

Nonstop4h 12m

Las Vegas Harry Reid Intl

Sat 8/11

23:59-05:33

Nonstop3h 34m

£118

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 10/11

19:37-21:49

Nonstop4h 12m

Las Vegas Harry Reid Intl

Thu 13/11

23:59-05:33

Nonstop3h 34m

£118

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 21 results
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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 22 August 2025.

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 27 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 £689). Flying from Chicago O'Hare Intl Airport to Las Vegas in July is currently the most expensive (average of £1,020). 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 29 August 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Las Vegas at midday. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 29 August 2025.
Check out reviews from past customers who have flown with Spirit Airlines from Chicago O'Hare Intl Airport to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,021 reviews
Check prices

Food

5.1

Overall

6.3

Boarding

6.6

Crew

7.0

Entertainment

5.0

Comfort

5.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

DTW - LAS

About the same as any other airline. Check in boarding was okay. Seats were tight & uncomfortable. Brand new luggage was damaged & can no longer be used. Waited for 45 minutes to get our luggage when we returned back home
Spirit Airlines
6.3
Okay
8,021 reviews
Spirit Airlines
6.3
Okay
8,021 reviews
Check prices

Food

5.1

Overall

6.3

Boarding

6.6

Crew

7.0

Entertainment

5.0

Comfort

5.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

DTW - LAS

About the same as any other airline. Check in boarding was okay. Seats were tight & uncomfortable. Brand new luggage was damaged & can no longer be used. Waited for 45 minutes to get our luggage when we returned back home

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 33 inbound flights from Chicago O'Hare Intl per day from 1 airline. 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 04m. Fly via Southwest, United Airlines, or American 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 is the cheapest airline to fly from Chicago O'Hare Intl Airport to Las Vegas round-trip?

    Spirit Airlines, at £33, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Las Vegas.. Spirit Airlines is 82% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Consider Spirit Airlines (87%), Air Canada (80%) or Turkish Airlines (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 £59, our data indicates the cheapest price to be £51. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around £103.

  • 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 £689). Flying from Chicago O'Hare Intl Airport to Las Vegas in July is currently the most expensive (average of £1,020). 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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Top airline flying from O'Hare Intl to Las Vegas

Discover the top airline that operate flights from O'Hare Intl to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£33Average£165FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Las Vegas?

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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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