$96 Cheap Frontier Airlines flights Washington (DCA) to Ontario (ONT)

View $96 flight on Wed, Feb 18, 2026Opens in a new window

$96 Cheap Frontier Airlines flights Washington (DCA) to Ontario (ONT)

Prices were available within the past 7 days and start at $96 for one-way flights and $192 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Feb 18 - Tue, Feb 24
DCA
Washington
ONT
Ontario
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Feb 18 from Washington to Ontario, returning Tue, Feb 24, priced at $192 found 5 days ago
Frontier Airlines
Wed, Feb 18 - Tue, Feb 24
DCA
Washington
ONT
Ontario
$253 Roundtrip, found 5 days ago
$253
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Feb 18 from Washington to Ontario, returning Tue, Feb 24, priced at $253 found 5 days ago

Find the cheapest month to fly from Washington (DCA) to Ontario (ONT)

January is typically the cheapest month to fly

From $134 - $418 per traveler.
Flights from Washington (DCA) to Ontario (ONT)
Origin airport
Ronald Reagan Washington National
Destination airport
Los Angeles - Ontario Intl.
Distance
3614 km