Cheapest return flights from Ontario to Las Vegas in January from 66€

AirHint found the following cheapest return flights from Ontario (ONT) to Las Vegas (LAS) in January 2026 (see full year).

Return flights

19 Jan - 31 Jan Southwest Airlines direct
12 Jan - 19 Jan Southwest Airlines direct
14 Jan - 19 Jan Southwest Airlines direct
14 Jan - 28 Jan Southwest Airlines direct
05 Jan - 09 Jan Southwest Airlines direct
30 Jan - 07 Feb Southwest Airlines direct
14 Jan - 17 Jan Southwest Airlines direct
21 Jan - 26 Jan Southwest Airlines direct
02 Jan - 14 Jan Southwest Airlines direct
04 Jan - 10 Jan Southwest Airlines direct
22 Jan - 28 Jan Southwest Airlines
31 Jan - 06 Feb Southwest Airlines

Also check the deals for one-way flights from Ontario to Las Vegas in January.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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