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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
$220
Frontier Airlines• 1 stop • 10h 52mOct 04 – Oct 11
The cheapest round trip flight from Dallas Fort Worth International to Ontario International is currently $220
Cheapest One way Flight
$133
Southwest Airlines• 1 stop• 10h 45mNov 03
The cheapest one way flight from Seattle Tacoma International to Ontario International is currently $133
Cheapest Direct Flight
$221
Southwest Airlines• nonstop• 5h 10mOct 04
The cheapest nonstop flight from Dallas Love Field to Ontario International is currently $221
Fastest Flight
4h 1m
The fastest nonstop flight from Seattle Tacoma International to Ontario International takes 4h 1m
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 04 - Oct 11, Economy
Dallas → Ontario
10h 52m
6:30 AM - 11:22 AM • 1 stop
Dallas → Ontario
8h 50m
11:52 AM - 7:22 PM • 1 stop
Frontier Airlines
Oct 04 - Oct 11, Economy
Dallas → Ontario
8h 50m
7:00 AM - 10:30 AM • 1 stop
Dallas → Ontario
8h 50m
11:52 AM - 7:22 PM • 1 stop
Frontier Airlines
Oct 04 - Oct 11, Economy
Dallas → Ontario
16h 49m
8:40 AM - 4:49 PM • 1 stop
Dallas → Ontario
8h 50m
11:52 AM - 7:22 PM • 1 stop
Frontier Airlines
Oct 04 - Oct 11, Economy
Dallas → Ontario
8h 38m
8:29 PM - 11:47 PM • 1 stop
Dallas → Ontario
8h 50m
11:52 AM - 7:22 PM • 1 stop
Frontier Airlines
Oct 04 - Oct 11, Economy
Dallas → Ontario
16h 51m
10:53 PM - 7:04 AM • 1 stop
Dallas → Ontario
8h 50m
11:52 AM - 7:22 PM • 1 stop
Frontier 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.
Oct 04 - Oct 11, Economy
Dallas → Ontario
5h 10m
12:00 PM - 1:10 PM • nonstop
Dallas → Ontario
4h 15m
12:00 PM - 4:55 PM • nonstop
Southwest Airlines
Oct 02 - Oct 06, Economy
Seattle → Ontario
4h 14m
8:20 AM - 11:14 AM • nonstop
Seattle → Ontario
4h 8m
7:10 PM - 9:58 PM • nonstop
Delta Airlines
Oct 02 - Oct 06, Economy
Seattle → Ontario
4h 1m
8:43 PM - 11:24 PM • nonstop
Seattle → Ontario
4h 11m
1:10 PM - 4:01 PM • nonstop
Alaska Airlines
Oct 02 - Oct 06, Economy
Seattle → Ontario
4h 13m
8:23 AM - 11:16 AM • nonstop
Seattle → Ontario
4h 11m
1:10 PM - 4:01 PM • nonstop
Alaska Airlines
Oct 02 - Oct 06, Economy
Seattle → Ontario
4h 1m
4:22 PM - 7:03 PM • nonstop
Seattle → Ontario
4h 11m
1:10 PM - 4:01 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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