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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
$386
Southwest Airlines• 1 stop • 17h 25mOct 29 – Nov 01
The cheapest round trip flight from Minneapolis-St Paul International/Wold-Chamberlain to Ontario International is currently $386
Cheapest One way Flight
$129
United Airlines• 1 stop• 24h 16mSep 19
The cheapest one way flight from Austin Bergstrom International to Ontario International is currently $129
Cheapest Direct Flight
$213
Alaska Airlines• nonstop• 3h 53mSep 12
The cheapest nonstop flight from Portland International to Ontario International is currently $213
Fastest Flight
3h 45m
The fastest nonstop flight from Portland International to Ontario International takes 3h 45m
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.
Oct 29 - Nov 01, Economy
Minneapolis → Ontario
17h 25m
5:25 AM - 2:10 PM • 1 stop
Minneapolis → Ontario
15h 10m
1:30 PM - 12:40 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 01, Economy
Minneapolis → Ontario
14h 15m
12:45 PM - 7:40 PM • 1 stop
Minneapolis → Ontario
10h 25m
11:35 AM - 8:00 PM • 1 stop
Southwest Airlines
Oct 29 - Nov 01, Economy
Minneapolis → Ontario
10h 40m
9:45 AM - 2:25 PM • 1 stop
Minneapolis → Ontario
10h 25m
11:35 AM - 8:00 PM • 1 stop
Southwest Airlines
Oct 29 - Nov 01, Economy
Minneapolis → Ontario
37h 23m
2:33 PM - 11:16 AM • 2 stops
Minneapolis → Ontario
16h 42m
8:03 PM - 8:05 AM • 1 stop
Frontier Airlines
Oct 29 - Nov 01, Economy
Minneapolis → Ontario
9h 13m
12:30 PM - 4:23 PM • 1 stop
Minneapolis → Ontario
9h
1:35 PM - 9:15 PM • 1 stop
Delta 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.
Maximize your time in Ontario, not in transit. Discover non-stop direct flights to ONT for the quickest, most straightforward journey to the Strip.
Sep 12 - Sep 12, Economy
Portland → Ontario
3h 53m
7:18 AM - 9:51 AM • nonstop
Portland → Ontario
3h 41m
6:15 PM - 8:36 PM • nonstop
Alaska Airlines
Sep 12 - Sep 12, Economy
Portland → Ontario
3h 45m
2:53 PM - 5:18 PM • nonstop
Portland → Ontario
3h 41m
7:34 PM - 9:55 PM • nonstop
Alaska Airlines
Sep 11 - Sep 11, Economy
Portland → Ontario
3h 45m
2:53 PM - 5:18 PM • nonstop
Portland → Ontario
3h 41m
7:34 PM - 9:55 PM • nonstop
Alaska Airlines
Sep 11 - Sep 11, Economy
Portland → Ontario
3h 53m
7:18 AM - 9:51 AM • nonstop
Portland → Ontario
3h 41m
2:15 PM - 4:36 PM • nonstop
Alaska Airlines
Sep 10 - Sep 14, Economy
Portland → Ontario
3h 53m
7:18 AM - 9:51 AM • nonstop
Portland → Ontario
3h 41m
7:34 PM - 9:55 PM • nonstop
Alaska 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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