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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
$261
Southwest Airlines• 2 stops • 9h 15mDec 19 – Dec 19
The cheapest round trip flight from Metropolitan Oakland International to Ontario International is currently $261
Cheapest One way Flight
$111
Frontier Airlines• 1 stop• 32h 36mDec 14
The cheapest one way flight from Will Rogers World to Ontario International is currently $111
Cheapest Direct Flight
$270
Delta Airlines• nonstop• Dec 19
The cheapest nonstop flight from Metropolitan Oakland International to Ontario International is currently $270
Fastest Flight
1h 55m
The fastest nonstop flight from Metropolitan Oakland International to Ontario International takes 1h 55m
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.
Dec 19 - Dec 19, Economy
Oakland → Ontario
9h 15m
6:55 AM - 12:50 PM • 2 stops
Oakland → Ontario
2h
6:50 PM - 8:10 PM • nonstop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
10h 40m
6:25 AM - 1:05 PM • 2 stops
Oakland → Ontario
10h 25m
5:20 PM - 11:45 PM • 2 stops
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
14h 15m
6:35 AM - 3:30 PM • 1 stop
Oakland → Ontario
17h 5m
9:20 PM - 7:45 AM • 1 stop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
10h 15m
6:35 AM - 12:50 PM • 1 stop
Oakland → Ontario
24h 10m
5:20 PM - 8:10 AM • 1 stop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
14h 15m
6:35 AM - 3:30 PM • 1 stop
Oakland → Ontario
28h 50m
9:20 PM - 2:50 PM • 2 stops
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.
Dec 19 - Dec 19, Economy
Oakland → Ontario
5h 25m
8:15 AM - 11:40 AM • 1 stop
Oakland → Ontario
2h 5m
4:20 PM - 5:45 PM • nonstop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
5h 25m
8:15 AM - 11:40 AM • 1 stop
Oakland → Ontario
10h 30m
5:30 AM - 12:00 PM • 1 stop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
13h 50m
8:15 AM - 4:45 PM • 1 stop
Oakland → Ontario
17h 5m
9:20 PM - 7:45 AM • 1 stop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
8h 50m
11:15 AM - 4:45 PM • 1 stop
Oakland → Ontario
17h 5m
9:20 PM - 7:45 AM • 1 stop
Southwest Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
6h 55m
11:15 AM - 3:30 PM • 1 stop
Oakland → Ontario
28h 50m
9:20 PM - 2:50 PM • 2 stops
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.
Dec 19 - Dec 19, Economy
Oakland → Ontario
- • nonstop
Oakland → Ontario
- • nonstop
Delta Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
- • nonstop
Oakland → Ontario
- • nonstop
Alaska Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
- • nonstop
Oakland → Ontario
- • nonstop
Hawaiian Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
2h 24m
8:22 AM - 10:06 AM • nonstop
Oakland → Ontario
2h 12m
7:13 PM - 8:45 PM • nonstop
Alaska Airlines
Dec 19 - Dec 19, Economy
Oakland → Ontario
1h 55m
7:35 AM - 8:50 AM • nonstop
Oakland → Ontario
2h
8:35 PM - 9:55 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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