$429 Cheap United flights Dallas (DFW) to Ontario (ONT)

View $429 flight on Fri, Jan 23, 2026Opens in a new window

$429 Cheap United flights Dallas (DFW) to Ontario (ONT)

Prices were available within the past 7 days and start at $429 for one-way flights and $604 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 23 - Mon, Jan 26
DFW
Dallas
ONT
Ontario
$604 Roundtrip, found 13 hours ago
$604
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Jan 23 from Dallas to Ontario, returning Mon, Jan 26, priced at $604 found 13 hours ago
United
Fri, Jan 23 - Mon, Jan 26
DFW
Dallas
ONT
Ontario
$609 Roundtrip, found 13 hours ago
$609
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Jan 23 from Dallas to Ontario, returning Mon, Jan 26, priced at $609 found 13 hours ago

Find the cheapest month to fly from Dallas (DFW) to Ontario (ONT)

February is typically the cheapest month to fly

From $68 - $169 per traveler.
Flights from Dallas (DFW) to Ontario (ONT)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Frontier Airlines
Distance
1895 km
Average flight time
1 hour 23 mins