San Francisco to Ontario

SFOONT

Fly from San Francisco to Ontario starting at SAR 104 with Frontier Airlines.Best fare available on Jul 29, 2026.Limited seats. Better plans. Book before it's gone.

San Francisco to Ontario cheapest flights this week

6 Jul
United Airlines
10:40SFO
12:12ONT
DirectSAR 466VIEW DEAL
11 Jul
Frontier Airlines
09:33SFO
11:07ONT
DirectSAR 562VIEW DEAL
12 Jul
United Airlines
21:00SFO
22:37ONT
DirectSAR 551VIEW DEAL
25 Jul
Frontier Airlines
09:33SFO
11:07ONT
DirectSAR 107VIEW DEAL
29 Jul
Frontier Airlines
11:15SFO
12:53ONT
DirectSAR 104VIEW DEAL
1 Aug
Frontier Airlines
09:33SFO
11:07ONT
DirectSAR 111VIEW DEAL
15 Aug
Frontier Airlines
09:33SFO
11:02ONT
DirectSAR 115VIEW DEAL
19 Aug
Frontier Airlines
12:33SFO
14:03ONT
DirectSAR 104VIEW DEAL
1 Sept
Frontier Airlines
12:33SFO
14:03ONT
DirectSAR 107VIEW DEAL

San Francisco to Ontario monthly flight fare trend

Jul
from SAR 104
Aug
from SAR 104
Sep
from SAR 107
Oct
No flights
Nov
No flights
Dec
No flights

Airport Details

Origin

San Francisco

San Francisco International Airport (SFO)

San Francisco, SFO
Zone

Los Angeles

Elev

13 ft

Destination

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

Flights from San Francisco

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