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Cheap flights Ontario to San Francisco

1 passenger, economy

Cheap flights Ontario to San Francisco

Compare prices, duration and stops

United Airlines
UA 2363
13:08
Ontario (ONT)
Wed, 9 sep
1h 27min
Direct
14:35
San Francisco (SFO)
Wed, 9 sep
212 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
19:07
Ontario (ONT)
Thu, 10 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Thu, 10 sep
61 NZ$
Frontier Airlines
F9 1159
19:07
Ontario (ONT)
Fri, 11 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Fri, 11 sep
53 NZ$
United Airlines
UA 2363
13:08
Ontario (ONT)
Sat, 12 sep
1h 27min
Direct
14:35
San Francisco (SFO)
Sat, 12 sep
222 NZ$
United Airlines
UA 2363
13:08
Ontario (ONT)
Sun, 13 sep
1h 27min
Direct
14:35
San Francisco (SFO)
Sun, 13 sep
216 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
19:07
Ontario (ONT)
Mon, 14 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Mon, 14 sep
163 NZ$
United Airlines
UA 1601
16:01
Ontario (ONT)
Tue, 15 sep
1h 29min
Direct
17:30
San Francisco (SFO)
Tue, 15 sep
210 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
19:07
Ontario (ONT)
Thu, 17 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Thu, 17 sep
51 NZ$
Frontier Airlines
F9 1159
19:07
Ontario (ONT)
Mon, 21 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Mon, 21 sep
76 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal Best price
19:07
Ontario (ONT)
Thu, 24 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Thu, 24 sep
38 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
19:07
Ontario (ONT)
Mon, 28 sep
1h 36min
Direct
20:43
San Francisco (SFO)
Mon, 28 sep
38 NZ$
Frontier Airlines
F9 2232
17:04
Ontario (ONT)
Wed, 30 sep
8h 20min
1 stop
01:24
San Francisco (SFO)
Thu, 1 oct +1
151 NZ$
United Airlines
UA 1375
20:52
Ontario (ONT)
Wed, 30 sep
1h 29min
Direct
22:21
San Francisco (SFO)
Wed, 30 sep
98 NZ$
Frontier Airlines
F9 4758
21:30
Ontario (ONT)
Wed, 30 sep
3h 54min
1 stop
01:24
San Francisco (SFO)
Thu, 1 oct +1
158 NZ$
Southwest Airlines
WN 3094
01:25
Ontario (ONT)
Thu, 1 oct
1h 10min
Direct
02:35
San Jose, Norman Y. Mineta San Jose (SJC)
Thu, 1 oct
118 NZ$
Frontier Airlines
F9 1159
18:38
Ontario (ONT)
Fri, 23 oct
1h 34min
Direct
20:12
San Francisco (SFO)
Fri, 23 oct
117 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
18:38
Ontario (ONT)
Thu, 29 oct
1h 34min
Direct
20:12
San Francisco (SFO)
Thu, 29 oct
44 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
18:38
Ontario (ONT)
Fri, 30 oct
1h 34min
Direct
20:12
San Francisco (SFO)
Fri, 30 oct
55 NZ$
Frontier Airlines
F9 1159 🔥 Hot deal
15:11
Ontario (ONT)
Sat, 5 dec
1h 33min
Direct
16:44
San Francisco (SFO)
Sat, 5 dec
65 NZ$

Low price calendar

September 2026
Price chart (September 2026)
min: 38 NZ$ · max: 222 NZ$
01.09.2026 — no data 02.09.2026 — no data 03.09.2026 — no data 04.09.2026 — no data 05.09.2026 — no data 06.09.2026 — no data 07.09.2026 — no data 08.09.2026 — no data 09.09.2026 — 212 NZ$ 10.09.2026 — 124 NZ$ 11.09.2026 — 53 NZ$ 12.09.2026 — 222 NZ$ 13.09.2026 — 216 NZ$ 14.09.2026 — 163 NZ$ 15.09.2026 — 210 NZ$ 16.09.2026 — no data 17.09.2026 — 53 NZ$ 18.09.2026 — no data 19.09.2026 — no data 20.09.2026 — no data 21.09.2026 — 76 NZ$ 22.09.2026 — no data 23.09.2026 — no data 24.09.2026 — 38 NZ$ 25.09.2026 — no data 26.09.2026 — no data 27.09.2026 — no data 28.09.2026 — no data 29.09.2026 — no data 30.09.2026 — 151 NZ$ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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212 NZ$
10
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124 NZ$
11
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53 NZ$
12
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222 NZ$
13
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216 NZ$
14
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163 NZ$
15
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210 NZ$
16
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no data
17
Good deal
53 NZ$
18
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19
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20
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76 NZ$
22
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23
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no data
24
Good deal
38 NZ$
25
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27
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30
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151 NZ$

Cheap flights Ontario to San Francisco

Frontier Airlines
Frontier Airlines
Mon, Wed, Thu, Fri, Sat
Price from
NZ$38
United Airlines
United Airlines
Tue, Wed, Sat, Sun
Price from
NZ$210

Popular destinations from Ontario

All →
ONT
Ontario — Las Vegas
United States → United States
LAS
from
NZ$32
ONT
Ontario — Denver
United States → United States
DEN
from
NZ$53
ONT
Ontario — Seattle
United States → United States
SEA
from
NZ$54
ONT
Ontario — Oakland
United States → United States
OAK
from
NZ$58
ONT
Ontario — Houston
United States → United States
HOU
from
NZ$63
ONT
Ontario — San Jose
United States → United States
SJC
from
NZ$68
ONT
Ontario — Dallas
United States → United States
DFW
from
NZ$90
ONT
Ontario — Sacramento
United States → United States
SAC
from
NZ$114

Popular destinations to San Francisco

All →
LAX
Los Angeles — San Francisco
United States → United States
SFO
from
NZ$29
SAN
San Diego — San Francisco
United States → United States
SFO
from
NZ$31
LAS
Las Vegas — San Francisco
United States → United States
SFO
from
NZ$39
PHX
Phoenix — San Francisco
United States → United States
SFO
from
NZ$52
SEA
Seattle — San Francisco
United States → United States
SFO
from
NZ$76
PDX
Portland — San Francisco
United States → United States
SFO
from
NZ$89
SLC
Salt Lake City — San Francisco
United States → United States
SFO
from
NZ$92
WAS
Washington — San Francisco
United States → United States
SFO
from
NZ$114

Cheap flights Ontario to San Francisco

Interesting facts about the route

Flight time

1h 34min

Distance

585 km

Average price

NZ$107

Most frequent flight

F9 1159

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

NZ$15

Buy

change

2 GB

data

15

days

NZ$21

Buy

change

5 GB

data

30

days

NZ$24

Buy

change

3 GB

data

30

days

NZ$27

Buy

change

5 GB

data

30

days

NZ$38

Buy

Frequently Asked Questions

The average ticket price Ontario San Francisco is NZ$107. The cheapest ticket costs NZ$53, operated by Frontier Airlines, flight 1159, departing Ontario on 11 September at 19:07, arriving San Francisco on 11 September at 20:43.
The average flight time is 1 hour 36 minutes. The fastest flight takes 1 hour 27 minutes, flight 2363 operated by United Airlines, departing Ontario on 9 September at 13:08, arriving San Francisco on 9 September at 14:35.
Flights on the Ontario - San Francisco route are operated by the following airlines: Frontier Airlines, United Airlines.
The distance from Ontario to San Francisco is 585 km.