Chicago (ORD) to Las Vegas (LAS) flight prices

A quick snapshot of Chicago (ORD) to Las Vegas (LAS) fares — lowest and typical prices plus the cheapest months and weekdays to fly, the airlines on the route and the usual duration.

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Estimated median price for a one-way ticket

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Price graph and price trends for Chicago O Hare International-Harry Reid International Airport

Weekly price trend

Today

2027

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Week

19

23

27

31

35

39

43

47

51

USD 60–90

USD 91–121

USD 122–153

USD 154–184

USD 185–216

Monthly price summary

March

April

MayBest price

June

July

August

September

October

November

December

JanuaryMost expensive

Ticket prices for Chicago to Las Vegas (March 2026 - January 2027) are shown here with weekly or monthly averages to indicate cheaper and more expensive periods.

Source: Flightprices.com & Kayak.com
Forecast updated: March 28, 2026.

Flight information

ORD → LAS

Flight frequency

130 flights/week

Type

Direct flight

Duration

4 hours 6 minutes

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Airlines with non-stop flights on this route:

United American Airlines Southwest Frontier Spirit

FAQ – Chicago (ORD) → Las Vegas (LAS)

Are there any low-cost airlines with flights from Chicago (ORD) to Las Vegas (LAS)?

Yes — several low-cost airlines operate this route: Southwest, Frontier and Spirit.

Which is the cheapest month to fly between Chicago O Hare International and Harry Reid International Airport?

Based on recent price logs, the cheapest month(s) is May 2026. Use the monthly view above to spot the dip weeks.

What day of the week is usually cheapest on this route?

Based on price logs for the next 12 months, the cheapest day(s) to depart is Tuesday. Compare weekdays in the fare calendar to target these departures.

Is roundtrip cheaper than two one-way tickets for ORD-LAS?

Usually yes, but not always. Check both options — you can easily switch between them in our widget.

How far in advance should I book to get the best price?

For domestic routes like ORD-LAS, good deals often appear a few weeks out. Watch for sales and avoid peak dates.

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Chicago (ORD)

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Las Vegas (LAS)

Roundtrip One way

Departure

Return

Adults

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Children (3–11)

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Youth (12–17)

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Infants (0–2)

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Class

Economy Premium Business First

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