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

2026

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Week

36

40

44

48

52

4

8

12

16

20

24

28

USD 0–0

USD 1–1

USD 2–2

USD 3–3

USD 4–0

Monthly price summary

July

August

September

October

November

December

January

February

March

April

May

June

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

Source: Flightprices.com & Kayak.com
Forecast updated: October 26, 2025.

Flight information

ORD → LAS

Flight frequency

128 flights/week

Type

Direct flight

Duration

4 hours 9 minutes

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Airlines with non-stop flights on this route:

United American Airlines Southwest Spirit Frontier

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, Spirit and Frontier.

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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