SFO → ONT from $45 round-trip

Flight deal

SFO → ONT from $45 round-trip

SFO → ONTUSD 45Frontier AirlineseconomyRound-tripGreat · 86/100

Score basis: 62% below the 8-fare median of $117.

Live fare — price verified 4 min ago.

Travel: 2026-09-28 – 2026-10-01
Book by: 8/18/2026
Booked via: Travelpayouts partner feed
Operated by: Frontier Airlines

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Last verified: 8/16/2026, 9:10:01 AM · Source: travelpayouts_api