Flight deal
SFO → ONT from $67 round-trip
SFO → ONTUSD 67Frontier AirlineseconomyRound-tripGreat · 82/100
Score basis: 59% below the 11-fare median of $162.
Live fare — price verified 24 min ago.
- Travel
- 2026-12-04 – 2026-12-06
- Book by
- 11/7/2026
- Booked via
- Travelpayouts partner feed
- Operated by
- Frontier Airlines
Also check on Kiwi
Opens a Kiwi.com search for this route and dates — prices and availability there are set by Kiwi and may differ from the fare above.
This page contains affiliate links. We may earn a commission at no cost to you.
Share Email
More live deals on this route
Last verified: 11/5/2026, 3:10:01 PM · Source: travelpayouts_api
Sources: Travelpayouts
SFO → ONT
USD 67