Cheap Flights from Chicago to Las Vegas from S$ 84

Frequently Asked Questions

• Which airlines offer the cheapest flights from Chicago (CHI) to Las Vegas (LAS)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as S$ 84 on Cheapest nonstop routes (e.g. ORD to LAS on Sat, Jul 4), while Frontier Airlines offers Cheapest nonstop round-trips from S$ 160 departing on Sat, Aug 8 and returning on Tue, Aug 11.

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

  At the moment, you can catch a direct flight from Chicago to Las Vegas with the following airlines, including: 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.

• How long is a flight from Chicago (CHI) to Las Vegas (LAS)?

  It takes about 4 hours 8 minutes to fly from Chicago (CHI) to Las Vegas (LAS).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Las Vegas 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.

• How many flights are there per week from Chicago to Las Vegas?

  Based on Trip.com data in the past 4 weeks, there is 85 flight per week flying from Chicago to Las Vegas. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1733 (11:22)

• How can I find the best deals on flights from Chicago to Las Vegas?

  To find best deals on flights from Chicago to Las Vegas, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jul 4, with one-way flights priced at just S$ 84.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Las Vegas travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Chicago to Las Vegas to get the best price?

  The cheapest months to fly from Chicago to Las Vegas is November, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Chicago to Las Vegas?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Chicago to Las Vegas on June 16, 2026 with Frontier Airlines, with prices starting at S$ 193.

• Which airports can I fly through when travelling to Las Vegas from Chicago?

  You can land at any one of the following hubs in Las Vegas, with Chicago O'Hare International Airport to Harry Reid International Airport (ORD-LAS) is by far the most common option on this route: Harry Reid International Airport (LAS) Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) Nellis Air Force Base (LSV).

• What is the time difference between Chicago and Las Vegas?

  The time difference between Las Vegas and Chicago is 2h.

• How can I change or cancel my flight ticket from Chicago to Las Vegas?

  Tickets can only be changed or cancelled 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.