| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Ontario Las Vegas | Outbound 06/18/25 direct F94758 01h 09min | Return 07/15/25 direct F92231 01h 07min |  Frontier Airlines |  | $69 | ||
| Ontario Las Vegas | Outbound 06/18/25 direct F92232 01h 10min | Return 07/15/25 direct F91357 01h 11min | Frontier Airlines |  | $88 | ||
| Ontario Las Vegas | Outbound 10/18/25 direct F91358 01h 18min | Return 11/17/25 direct F91357 01h 10min | Frontier Airlines |  | $103 | ||
| Ontario Las Vegas | Outbound 10/18/25 direct F91358 01h 18min | Return 11/17/25 direct F91357 01h 10min | Frontier Airlines |  | $117 | ||
| Ontario Las Vegas | Outbound 10/18/25 direct F91358 01h 18min | Return 11/17/25 direct F91357 01h 10min | Frontier Airlines | | $122 | ||
| Ontario Las Vegas | Outbound 09/04/25 direct F91358 01h 13min | Return 09/28/25 direct F91357 01h 10min | Frontier Airlines | | $136 | ||
| Ontario Las Vegas | Outbound 09/04/25 direct F91358 01h 13min | Return 09/28/25 direct F92231 01h 09min | Frontier Airlines | | $145 | ||
| Ontario Las Vegas | Outbound 09/04/25 direct F91358 01h 13min | Return 09/28/25 direct F92231 01h 09min | Frontier Airlines | | $150 | ||
| Ontario Las Vegas | Outbound 10/18/25 1 Stopover (PHX) AA1423, AA3057 04h 14min | Return 11/17/25 1 Stopover (PHX) AA1747, AA1423 03h 09min |  American Airlines |  | ? | $297 | |
| Ontario Las Vegas | Outbound 09/19/25 1 Stopover (PHX) AA2738, AA2106 04h 28min | Return 09/29/25 1 Stopover (PHX) AA0425, AA2661 15h 29min | American Airlines |  | ? | $302 |
Tips and tricks to help you find cheap flights from Ontario to Las Vegas
Favorite airline: Frontier Airlines
Most travelers looking for flights on the route from Ontario to Las Vegas decide to book flights with Frontier Airlines.
Frontier Airlines
94 %
American Airlines
6 %