Cheapest airlines flights from Las Vegas to Chicago

Fly from Las Vegas to Chicago with 3 carriers, including Frontier Airlines, American Airlines, and United Airlines. Frontier Airlines offers the cheapest flights from Las Vegas to Chicago.

Non stop flights available! Find direct flights from Las Vegas to Chicago for the next 3 months. Book one way flights from US$29 or round trip tickets from US$61.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Las Vegas to Chicago Flight Information

The distance between Las Vegas and Chicago is approximately 2,453.29 km. On average, a flight from Las Vegas to Chicago takes around 3 hours 58 minutes. The most popular month to fly to Chicago is July. The off-season for travel is December.

Cheapest one-way flight priceUS$29
Cheapest return ticket priceUS$61
Cheapest monthDecember
Peak season for travelJuly
Flight distance2,453.29 km
Average flight time3 hours 58 minutes
Popular airlineFrontier Airlines

When is the cheapest time to book flights from Las Vegas to Chicago?

Best time for cheap flights from Las Vegas to Chicago are between Dec 7 and Dec 14 with one way fares from US$29

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Las Vegas to Chicago?

    At the moment, you can catch a nonstop flight from Las Vegas to Chicago with the following airlines, including: Frontier Airlines United Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 58 minutes to fly from Las Vegas to Chicago.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Las Vegas to Chicago is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 32 flight per week flying from Las Vegas to Chicago. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA2258 (07:08) United Airlines: S/M/T/W/T/F/S -- UA664 (07:46)
  • The cheapest months to fly from Las Vegas to Chicago is December, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Las Vegas to Chicago on November 14, 2025 with Frontier Airlines, with prices starting at US$28.
  • You can land at any one of the following hubs in Chicago, with Harry Reid International Airport to O'Hare International Airport (LAS-ORD) is by far the most common option on this route: Midway International Airport (MDW) O'Hare International Airport (ORD) Chicago Rockford International Airport (RFD).
  • The time difference between Chicago and Las Vegas is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.