Frontier AirlinesDepart23:15
Thu, Dec 10LAS → ORD
3h 46m · Direct
$82one way, per person
View deal
- Cheapest fare
- $82
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 3h 44m
Frontier Airlines · Thu, Dec 10
from $82
Frontier Airlines
2,450 km
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Cheapest month to fly from Las Vegas to Chicago
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Frontier AirlinesFrontier AirlinesDepart23:15
Sun, Dec 13LAS → ORD
3h 46m · Direct
$129one way, per person
View deal
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About flights from Las Vegas to Chicago
Las Vegas (LAS) and Chicago (CHI) are about 2,450 km apart. Direct flights take around 3h 44m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $82, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Las Vegas to Chicago?
The cheapest one-way fare we've seen recently is $82 with Frontier Airlines, departing Thursday, December 10, 2026. Over the coming months, the lowest fare in each month ranges from $82 to $154.
What is the cheapest month to fly from Las Vegas to Chicago?
December 2026 currently has the lowest fares, from $82 one way.
Are there direct flights from Las Vegas to Chicago?
Yes. Recent direct fares were with Frontier Airlines.
How long is the flight from Las Vegas to Chicago?
A direct flight takes about 3h 44m. Las Vegas and Chicago are around 2,450 km apart.
Which airlines fly from Las Vegas to Chicago?
Recent fares on this route were with Frontier Airlines and Alaska Airlines.
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