Cheap flights from Las Vegas to Chicago O'Hare Intl Airport
LAS — ORD
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Chicago O'Hare Intl are usually found in October or May, booked 86 days in advance, depart on a Wednesday or Saturday and return on a Monday
Find flight deals from Las Vegas to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to O'Hare Intl (ORD). 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 12 December 2025.
Popular in
December
Cheapest in
October
Average price
C$ 439
Good one-way deal
C$ 168 or less
Highest demand for flights based on searches. 13% potential increase in price (C$ 72 potential increase over avg. RT price).
Best time to book a flight from Las Vegas to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Las Vegas with our price prediction graph.
Estimated round-trip 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 Las Vegas to Chicago O'Hare Intl Airport
Prices
Airlines
How far ahead should I book a flight from Las Vegas to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to O'Hare Intl. Price data was last updated on 5 December 2025.
To ensure you get the cheapest price possible for a flight from Las Vegas to Chicago O'Hare Intl Airport, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Las Vegas to Chicago O'Hare Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Las Vegas to Chicago O'Hare Intl Airport (average of C$ 80). Flying from Las Vegas to Chicago O'Hare Intl Airport in June is currently the most expensive (average of C$ 189). 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 LAS to ORD?
Find hourly flight availability from Las Vegas to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
A simple way to save on the total cost of your ticket is to fly from Las Vegas to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 85% on your trip compared to booking a flight at noon.
Weekly flight availability from Las Vegas to Chicago O'Hare Intl Airport
Explore weekly flight availability from Las Vegas to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.
The most flights from LAS to ORD are scheduled on a Wednesday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to O'Hare Intl. 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 from for flights from Las Vegas to Chicago O'Hare Intl?
For a flight from Las Vegas to Chicago O'Hare Intl, you will be flying from Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 10.0 km from the centre of the city. Harry Reid Intl is the only Las Vegas airport and it handles 28 outbound flights to Chicago O'Hare Intl per day. 0 airlines have flights to Chicago O'Hare Intl from Las Vegas Harry Reid Intl on a regular basis.
What are the most reliable airlines from Las Vegas to Chicago O'Hare Intl Airport?
Before booking your flight to Chicago O'Hare Intl Airport from Las Vegas, check out the most reliable airlines to get you to your destination on time: Royal Jordanian (89%), Qatar Airways (89%), Austrian Airlines( 88%).
Can I find deals for flights from Las Vegas to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Las Vegas to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to O'Hare Intl.
Can I find deals for business class flights from Las Vegas to O'Hare Intl?
Yes. Cheapflights offers flight deals from Las Vegas to O'Hare Intl 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 Las Vegas to Chicago O'Hare Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Las Vegas to Chicago O'Hare Intl Airport (average of C$ 80). Flying from Las Vegas to Chicago O'Hare Intl Airport in June is currently the most expensive (average of C$ 189). 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.
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Las Vegas to O'Hare Intl?
When you search for this flight from Las Vegas to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Las Vegas to O'Hare Intl?
Cheapflights helps you find that perfect flight to O'Hare Intl from Las Vegas by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Las Vegas to O'Hare Intl with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Las Vegas to O'Hare Intl become cheaper?
Not ready to book yet? You can track prices for flights from Las Vegas to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.
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