$149 Cheap Delta flights Miami (MIA) to Ontario (ONT)

View $149 flight on Mon, Nov 24, 2025Opens in a new window

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$149 Cheap Delta flights Miami (MIA) to Ontario (ONT)

Prices were available within the past 7 days and start at $149 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 30 - Wed, Sep 3
MIA
Miami
ONT
Ontario
$289 Roundtrip, found 1 hour ago
$289
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 30 from Miami to Ontario, returning Wed, Sep 3, priced at $289 found 1 hour ago
Delta
Thu, Sep 4 - Sat, Sep 6
MIA
Miami
ONT
Ontario
$297 Roundtrip, just found
$297
Roundtrip
just found
Select Delta flight, departing Thu, Sep 4 from Miami to Ontario, returning Sat, Sep 6, priced at $297 just found
Flights from Miami (MIA) to Ontario (ONT)
Origin airport
Miami Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
American Airlines
Distance
2292 mi
Average flight time
8 hours 30 mins

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