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Good to Know: Flights to ONT
Useful information for finding cheap flights to Ontario International and booking your next trip
Cheapest Round Trip Flight
$487
Southwest Airlines• nonstop • 1h 40mJul 13 – Jul 13
The cheapest round trip flight from McCarran International to Ontario International is currently $487
Cheapest One way Flight
$108
Frontier Airlines• 1 stop• 25h 30mJul 13
The cheapest one way flight from McCarran International to Ontario International is currently $108
Cheapest Direct Flight
$223
Southwest Airlines• nonstop• 1h 50mJul 12
The cheapest nonstop flight from McCarran International to Ontario International is currently $223
Fastest Flight
1h 40m
The fastest nonstop flight from McCarran International to Ontario International takes 1h 40m
Best Flight Deals to Ontario
Identify the most efficient round-trip flights to Ontario. We present options balancing cost and convenience for your return journey.
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
1h 40m
7:10 PM - 8:10 PM • nonstop
Las Vegas → Ontario
32h
11:55 PM - 7:15 PM • 1 stop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
5h 50m
9:35 AM - 1:25 PM • 1 stop
Las Vegas → Ontario
1h 55m
6:20 PM - 7:35 PM • nonstop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
1h 45m
2:20 PM - 3:25 PM • nonstop
Las Vegas → Ontario
2h 5m
10:30 PM - 11:55 PM • nonstop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
5h 55m
11:25 AM - 3:20 PM • 1 stop
Las Vegas → Ontario
5h 35m
5:45 PM - 9:20 PM • 1 stop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
1h 40m
11:45 AM - 12:45 PM • nonstop
Las Vegas → Ontario
5h 35m
5:45 PM - 9:20 PM • 1 stop
Southwest Airlines
For travel requiring no set return, access available one-way flights to Ontario (ONT). These options support extended stays or open-ended plans.
Need to travel to Ontario soon? View current last-minute flight options to ONT for spontaneous or pressing plans.
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
5h 50m
9:35 AM - 1:25 PM • 1 stop
Las Vegas → Ontario
1h 55m
6:20 PM - 7:35 PM • nonstop
Southwest Airlines
Maximize your time in Ontario, not in transit. Discover non-stop direct flights to ONT for the quickest, most straightforward journey to the Strip.
Jul 12 - Aug 20, Economy
Las Vegas → Ontario
1h 50m
10:35 PM - 11:45 PM • nonstop
Las Vegas → Ontario
1h 55m
3:15 PM - 4:30 PM • nonstop
Southwest Airlines
Jul 12 - Aug 20, Economy
Las Vegas → Ontario
1h 40m
8:25 PM - 9:25 PM • nonstop
Las Vegas → Ontario
1h 50m
5:40 PM - 6:50 PM • nonstop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
1h 45m
2:20 PM - 3:25 PM • nonstop
Las Vegas → Ontario
2h 5m
10:30 PM - 11:55 PM • nonstop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
1h 40m
11:45 AM - 12:45 PM • nonstop
Las Vegas → Ontario
1h 55m
8:20 PM - 9:35 PM • nonstop
Southwest Airlines
Jul 13 - Jul 13, Economy
Las Vegas → Ontario
1h 40m
7:10 PM - 8:10 PM • nonstop
Las Vegas → Ontario
2h 5m
10:30 PM - 11:55 PM • nonstop
Southwest Airlines
Destination Airport Information
| IATA Code | ONT |
| Name | Ontario International |
| City | Ontario |
| Country | US |
| Latitude | 34.055999755859375 |
| Longitude | -117.60099792480469 |
Popular Airlines
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