Cheapest return flights from Ontario to Las Vegas in November from $139

Best time to book flights for Ontario (ONT) to Las Vegas (LAS) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Las Vegas (LAS) in November 2025 (see full year).

Return flights

06 Nov - 11 Nov Frontier Airlines direct
10 Nov - 15 Nov Frontier Airlines direct
08 Nov - 13 Nov Frontier Airlines direct
09 Nov - 09 Nov Frontier Airlines direct
02 Nov - 07 Nov Frontier Airlines direct
18 Nov - 22 Nov Southwest Airlines
13 Nov - 20 Nov Southwest Airlines
19 Nov - 23 Nov Southwest Airlines
12 Nov - 16 Nov Southwest Airlines
15 Nov - 22 Nov Southwest Airlines
29 Nov - 06 Dec Southwest Airlines

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

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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