A beach with turquoise waters, white sand, and a row of high-rise buildings in the background.

$244 Cheap United flights Ontario Intl. Airport (ONT) to Miami (MIA)

View $244 flight on Tue, Jul 14, 2026Opens in a new window

$244 Cheap United flights Ontario Intl. Airport (ONT) to Miami (MIA)

Prices were available within the past 7 days and start at $244 for one-way flights and $399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 5 - Tue, Aug 18
ONT
Ontario
MIA
Miami
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 5 from Ontario to Miami, returning Tue, Aug 18, priced at $399 found 3 days ago
United
Tue, Oct 6 - Tue, Oct 13
ONT
Ontario
MIA
Miami
$403 Roundtrip, found 21 hours ago
$403
Roundtrip
found 21 hours ago
Select United flight, departing Tue, Oct 6 from Ontario to Miami, returning Tue, Oct 13, priced at $403 found 21 hours ago
United
Sat, Jul 11 - Tue, Jul 21
ONT
Ontario
MIA
Miami
$441 Roundtrip, found 9 hours ago
$441
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Jul 11 from Ontario to Miami, returning Tue, Jul 21, priced at $441 found 9 hours ago

Alternative airports near Miami

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Miami Intl. MIA. Cheapest option available. Average driving time to city center is 12 minutes. Flights from $326
MIA
Miami Intl.
Cheapest
Average driving time to city center12 min
Flights from $326

Find the cheapest month to fly from Ontario (ONT) to Miami (MIA)

July is typically the cheapest month to fly

From $220 - $361 per traveler.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Miami Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
3667 km

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