SEA → ONT from $148 round-trip

Flight deal

SEA → ONT from $148 round-trip

SEA → ONTUSD 148Frontier AirlineseconomyRound-tripFair · 46/100

Score basis: 33% below the 14-fare median of $220.

Live fare — price verified 50 min ago.

Travel: 2026-09-03 – 2026-09-09
Book by: 9/3/2026
Booked via: Travelpayouts partner feed
Operated by: Frontier Airlines

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Last verified: 9/1/2026, 9:10:01 AM · Source: travelpayouts_api