O'Hare International (ORD) to Harry Reid International (LAS).
| Departure | Return | Price |
|---|---|---|
| 06/09/2026 | 06/16/2026 | $128 |
| 07/08/2026 | 07/14/2026 | $128 |
| 07/08/2026 | 07/15/2026 | $128 |
| 07/14/2026 | 07/21/2026 | $128 |
| 07/14/2026 | 07/22/2026 | $128 |
| 07/21/2026 | 07/28/2026 | $128 |
| 06/09/2026 | 06/17/2026 | $169 |
| 06/16/2026 | 06/23/2026 | $169 |
| 06/30/2026 | 07/07/2026 | $169 |
| 06/30/2026 | 07/08/2026 | $169 |
Based on current fares, July is the cheapest month to fly from Chicago to Las Vegas, with average fares around $181 round trip (as low as $128).
May tends to be more expensive, averaging $258.
See the full month-by-month and day-of-week price analysis
Best Time to Fly ORD → LASDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Chicago to Las Vegas is July, with average round-trip fares around $181. Fares in July start as low as $128. The most expensive month is May, averaging $258.
A nonstop flight from Chicago to Las Vegas takes approximately 3h 30m.
The cheapest flight from Chicago to Las Vegas currently starts at $128 round trip in economy class.
The average round-trip flight price from Chicago to Las Vegas is $233 in economy class.
The distance is 1514 miles (2436 km). with a nonstop flight time of about 3h 30m. The lowest fare currently available is $128 departing in June. The average round-trip fare is $233.
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