Flights from Chicago to Las Vegas
See the lowest recent fare, then compare every option and book with our partner Aviasales.
Lowest one-way fare
$82
Departing Wed, Dec 2, 2026
See flights on Dec 2Prices last checked Nov 5, 2026
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Cheapest days to fly Chicago to Las Vegas
The lowest one-way fare found for each day over the next few months.
Cheapest dates found
Good to know: Chicago to Las Vegas
Nonstop flights, stops and airlines on the cheapest fares we found.
- Nonstop flightsFrom $82Frontier Airlines · O'Hare to McCarran · 4h 13m
- Stops on the cheapest faresMostly nonstopOf the 12 cheapest fares: 9 nonstop, 3 one stop.
- Airlines on the cheapest faresFrontier Airlines, Allegiant Air and American AirlinesAlso Alaska Airlines. Fares with stops may combine airlines.
- Airports usedO'Hare, Chicago Rockford and Chicago MidwayWhere the cheapest fares from Chicago leave from, most common first.
Based on the 12 cheapest one-way fares in recent searches, checked Nov 5, 2026.
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Frequently asked questions
How much do flights from Chicago to Las Vegas cost?
One-way fares start from $82, based on recent searches checked on Nov 5, 2026. Prices change often, so confirm the final fare on our partner's site before booking.
What is the cheapest date to fly from Chicago to Las Vegas?
The lowest recent one-way fare we found departs on Wed, Dec 2, 2026. Try nearby dates too, since fares can differ by the day.
What is the cheapest month to fly from Chicago to Las Vegas?
Of the next 2 months, December has the lowest fare we've seen: $82 on Wed, Dec 2, 2026. For comparison, November from $90.
Are there direct flights from Chicago to Las Vegas?
Yes. The cheapest nonstop fare we found was $82 with Frontier Airlines, from O'Hare International Airport to McCarran International Airport, a flight of about 4h 13m.
Which airlines fly from Chicago to Las Vegas?
The cheapest fares we found were on Frontier Airlines, Allegiant Air, American Airlines and Alaska Airlines. Fares with stops may combine more than one airline, so check each flight before you book.
Do you sell plane tickets?
No. We compare fares and send you to our travel partner Aviasales, where you choose a booking option and pay. Changes, refunds and support are handled by the airline or agency you book with.