We've scanned every flight from Las Vegas to Chicago to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. At the moment, the cheapest flight is on 13 / Feb / 2025. If that day's no good for you, try searching by month to see some alternative dates.
Chicago O'hare International Airport is just one of the airports in Chicago. If you're not set on a specific airport, try changing your search from Chicago O'hare International Airport to Chicago to see a broader range of flights – they might be cheaper.
Keep your eye out for flights
You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.