Cheap flights from Chicago-O'Hare to Las Vegas
Cheap return flights from Chicago-O'Hare to Las Vegas
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Las Vegas flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- Frontier Airlines
- Allegiant Air
These airlines usually offer the cheapest flights from Chicago-O'Hare to Las Vegas.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines fly from Chicago-O'Hare to Las Vegas, but you’ll have at least one layover.
How long is the flight?
3 hours 45 minutes
This is the shortest flight time from Chicago-O'Hare to Las Vegas.
Alternative flights from the UK to Las Vegas
Check out prices for other routes
Alternative flights from Chicago-O'Hare
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Chicago-O'Hare/Las Vegas route. There are around 35 flights on any given week from the UK to Las Vegas and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Chicago-O'Hare to Las Vegas
Tips and advice from our flight experts
You've searched for flights from Chicago-O'Hare to Las Vegas. We've found 50 flights and compared them to give you the best offers. Spirit Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for £54 from Chicago-O'Hare to Las Vegas on 13/07/2026 at 06:55.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 1,600 km flight from Chicago-O'Hare to Las Vegas.
To find the best offers, book in advance or look for last-minute deals. Consider flying with Spirit Airlines, which is popular and offers competitive prices. The average flight duration is about 3 hours 45 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving time and money.
Other popular destinations near Las Vegas
Where other people are flying to
