Cheapest return flights from Ontario to Las Vegas in July from 76€
AirHint found the following cheapest return flights from Ontario (ONT) to Las Vegas (LAS)
in July 2025 (see full year ).
Return flights
29 Jul
- 05 Aug
Frontier Airlines
76 €
direct
30 Jul
- 02 Aug
Frontier Airlines
102 €
direct
26 Jul
- 02 Aug
Frontier Airlines
106 €
direct
31 Jul
- 02 Aug
Frontier Airlines
111 €
direct
31 Jul
- 04 Aug
Frontier Airlines
114 €
direct
29 Jul
- 29 Jul
Frontier Airlines
119 €
direct
29 Jul
- 31 Jul
Frontier Airlines
125 €
direct
29 Jul
- 30 Jul
Frontier Airlines
127 €
direct
26 Jul
- 09 Aug
Frontier Airlines
128 €
direct
28 Jul
- 30 Jul
Frontier Airlines
135 €
direct
28 Jul
- 29 Jul
Frontier Airlines
144 €
direct
27 Jul
- 28 Jul
Frontier Airlines
151 €
direct
23 Jul
- 26 Jul
Frontier Airlines
158 €
direct
26 Jul
- 31 Jul
Frontier Airlines
158 €
direct
25 Jul
- 01 Aug
Frontier Airlines
166 €
direct
24 Jul
- 26 Jul
Frontier Airlines
167 €
direct
25 Jul
- 26 Jul
Frontier Airlines
168 €
direct
27 Jul
- 03 Aug
Frontier Airlines
176 €
direct
30 Jul
- 11 Aug
Southwest Airlines
285 €
30 Jul
- 08 Aug
Southwest Airlines
301 €
Also check the deals for one-way flights from Ontario to Las Vegas in July .
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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