Frontier Airlines (F9) flights from Ontario, Los Angeles (ONT).

Select a destination.

Mexico

Guadalajara (GDL) Direct

Available flights:

United States

Dallas Fort Worth (DFW) Direct

Available flights:

United States

Denver (DEN) Direct

Available flights:

United States

Houston George Bush (IAH) Direct

Available flights:

United States

Las Vegas Harry Reid (LAS) Direct

Available flights:

United States

Salt Lake City (SLC) Direct

Available flights:

United States

San Francisco (SFO) Direct

Available flights:

United States

Seattle-Tacoma (SEA) Direct

Available flights:


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