ONT to SFO

Ontario to San Francisco flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

ONT
Ontario (ONT), United StatesOntario International
SFO
San Francisco (SFO), United StatesSan Francisco International
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Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunONT to SFO$371 Sun, 07 JunONT to SFO Mon, 08 JunONT to SFO Tue, 09 JunONT to SFO Wed, 10 JunONT to SFO Thu, 11 JunONT to SFO Fri, 12 JunONT to SFO
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-2363
06:00
2026-06-06
Ontario (ONT)United StatesOntario International
1H :25 M
Non Stop
07:25
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$371
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1375
13:40
2026-06-06
Ontario (ONT)United StatesOntario International
1H :25 M
Non Stop
15:05
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$371
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5624
18:39
2026-06-06
Ontario (ONT)United StatesOntario International
1H :30 M
Non Stop
20:09
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$371
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1194
06:10
2026-06-06
Ontario (ONT)United StatesOntario International
6H :47 M
1 Stop
PHX · 3h 15mPhoenix (PHX), United States
12:57
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$449
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2244
13:11
2026-06-06
Ontario (ONT)United StatesOntario International
5H :55 M
1 Stop
PHX · 2h 32mPhoenix (PHX), United States
19:06
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$449
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1194
06:10
2026-06-06
Ontario (ONT)United StatesOntario International
9H :56 M
1 Stop
PHX · 6h 30mPhoenix (PHX), United States
16:06
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$553
total fare
Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1194
06:10
2026-06-06
Ontario (ONT)United StatesOntario International
12H :56 M
1 Stop
PHX · 9h 31mPhoenix (PHX), United States
19:06
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$553
total fare
Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1194
06:10
2026-06-06
Ontario (ONT)United StatesOntario International
16H :13 M
1 Stop
PHX · 12h 47mPhoenix (PHX), United States
22:23
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$553
total fare
Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2244
13:11
2026-06-06
Ontario (ONT)United StatesOntario International
9H :12 M
1 Stop
PHX · 5h 48mPhoenix (PHX), United States
22:23
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$553
total fare
Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1006
13:29
2026-06-06
Ontario (ONT)United StatesOntario International
19H :27 M
1 Stop
SLC · 15h 32mSalt Lake City (SLC), United States
08:56
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$604
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3762
17:55
2026-06-06
Ontario (ONT)United StatesOntario International
15H :01 M
1 Stop
SLC · 11h 03mSalt Lake City (SLC), United States
08:56
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$604
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3762
17:55
2026-06-06
Ontario (ONT)United StatesOntario International
18H :13 M
1 Stop
SLC · 14h 13mSalt Lake City (SLC), United States
12:08
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$604
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-991
23:59
2026-06-06
Ontario (ONT)United StatesOntario International
9H :03 M
1 Stop
DFW · 2h 15mDallas (DFW), United States
09:02
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$606
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-991
23:59
2026-06-06
Ontario (ONT)United StatesOntario International
10H :36 M
1 Stop
DFW · 3h 40mDallas (DFW), United States
10:35
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$610
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2239
14:18
2026-06-06
Ontario (ONT)United StatesOntario International
18H :44 M
1 Stop
DFW · 11h 45mDallas (DFW), United States
09:02
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$611
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-991
23:59
2026-06-06
Ontario (ONT)United StatesOntario International
15H :04 M
1 Stop
DFW · 8h 15mDallas (DFW), United States
15:03
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$611
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-991
23:59
2026-06-06
Ontario (ONT)United StatesOntario International
18H :01 M
1 Stop
DFW · 11h 17mDallas (DFW), United States
18:00
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$611
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-991
23:59
2026-06-06
Ontario (ONT)United StatesOntario International
19H :11 M
1 Stop
DFW · 12h 22mDallas (DFW), United States
19:10
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$611
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-991
23:59
2026-06-06
Ontario (ONT)United StatesOntario International
13H :10 M
1 Stop
DFW · 6h 20mDallas (DFW), United States
13:09
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$615
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-4031
17:45
2026-06-06
Ontario (ONT)United StatesOntario International
15H :54 M
1 Stop
SEA · 10h 35mSeattle (SEA), United States
09:39
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$688
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-4070
11:52
2026-06-06
Ontario (ONT)United StatesOntario International
7H :53 M
1 Stop
SEA · 2h 37mSeattle (SEA), United States
19:45
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$733
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3840
13:35
2026-06-06
Ontario (ONT)United StatesOntario International
6H :10 M
1 Stop
SEA · 0h 57mSeattle (SEA), United States
19:45
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$733
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

Recommended hotels in San Francisco

Stay options near the arrival city for the same travel date.

Search hotels
King George Hotel
3.0Very GoodLive availability

King George Hotel

- 334 Mason St, San Francisco, CA 94102 ,

Free WiFiACBreakfast
Room availability is checked live
$83per night+ taxes if applicable

1 Night • 3 Star

Hotel Triton
4.0Very GoodLive availability

Hotel Triton

- 342 Grand Avenue 94108 San Francisco CA United States of America,

Free WiFiACBreakfast
Room availability is checked live
$101per night+ taxes if applicable

1 Night • 4 Star

MOSSER
3.0Very GoodLive availability

MOSSER

- 54 Fourth Street 94103 San Francisco California United States,

Free WiFiACBreakfast
Room availability is checked live
$104per night+ taxes if applicable

1 Night • 3 Star

Fitzgerald Hotel
3.0Very GoodLive availability

Fitzgerald Hotel

- 620 Post Street ,

Free WiFiACBreakfast
Room availability is checked live
$106per night+ taxes if applicable

1 Night • 3 Star

Delta Air Lines
Delta Air Lines
DL-4031
17:45
2026-06-06
Ontario (ONT)United StatesOntario International
6H :18 M
1 Stop
SEA · 1h 00mSeattle (SEA), United States
00:03
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$733
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Alaska Airlines
Alaska Airlines
AS-2199
17:57
2026-06-06
Ontario (ONT)United StatesOntario International
15H :04 M
1 Stop
PDX · 10h 39mPortland (PDX), United States
09:01
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$736
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Alaska Airlines
Alaska Airlines
AS-2199
17:57
2026-06-06
Ontario (ONT)United StatesOntario International
18H :44 M
1 Stop
PDX · 14h 19mPortland (PDX), United States
12:41
2026-06-07
SAN FRANCISCO (SFO)United StatesSan Francisco International
$736
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3816
06:45
2026-06-06
Ontario (ONT)United StatesOntario International
10H :12 M
1 Stop
SEA · 4h 58mSeattle (SEA), United States
16:57
2026-06-06
SAN FRANCISCO (SFO)United StatesSan Francisco International
$738
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
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Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $371 United Airlines 06:00
Earliest departure $371 United Airlines 06:00
Shortest duration $371 United Airlines 06:00
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 $371 United Airlines at 06:00
Afternoon 12:00-17:59 $371 United Airlines at 13:40
Evening 18:00-23:59 $371 United Airlines at 18:39

Ontario to San Francisco route details

Ontario (ONT)

Ontario International

United States

GMT -8

Latitude: 34.055999755859375

Longitude: -117.60099792480469

San Francisco (SFO)

San Francisco International

United States

GMT -8

Latitude: 37.61899948120117

Longitude: -122.375

Distance: Ontario (ONT), United States to San Francisco (SFO), United States - 584.78 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Ontario to San Francisco - what to expect when booking

The ONT to SFO cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 584.78 km.

Before you book

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The date strip opens the complete search result for the route and selected date.

Use filters

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Check fare rows

Select expands fare choices on the card before you move to review and booking.

More flights from Ontario (ONT)14 routes
Ontario → Chicago
ONT → MDW
Ontario → Denver
ONT → DEN
Ontario → Dallas
ONT → DFW
Ontario → Guadalajara
ONT → GDL
Ontario → Houston
ONT → IAH
Ontario → Las Vegas
ONT → LAS
Ontario → Oakland
ONT → OAK
Ontario → Phoenix
ONT → PHX
Ontario → Portland
ONT → PDX
Ontario → Sacramento
ONT → SMF
Ontario → Salt Lake City
ONT → SLC
Ontario → San Jose
ONT → SJC
Ontario → San Juan
ONT → SJU
Ontario → Seattle
ONT → SEA
More flights from San Francisco (SFO)23 routes
San Francisco → Albuquerque
SFO → ABQ
San Francisco → Amsterdam
SFO → AMS
San Francisco → Atlanta
SFO → ATL
San Francisco → Auckland
SFO → AKL
San Francisco → Austin
SFO → AUS
San Francisco → Bakersfield
SFO → BFL
San Francisco → Beijing
SFO → PEK
San Francisco → Boise
SFO → BOI
San Francisco → Boston
SFO → BOS
San Francisco → Burbank
SFO → BUR
San Francisco → Calgary
SFO → YYC
San Francisco → Cancun
SFO → CUN
San Francisco → Charlotte
SFO → CLT
San Francisco → Chicago
SFO → MDW
San Francisco → Chico
SFO → CIC
San Francisco → Covington Ky
SFO → CVG
San Francisco → Cleveland
SFO → CLE
San Francisco → Colorado Springs
SFO → COS
San Francisco → Copenhagen
SFO → CPH
San Francisco → Crescent City
SFO → CEC
San Francisco → Dallas
SFO → DAL
San Francisco → Denver
SFO → DEN
San Francisco → Detroit Mi
SFO → DTW
Frequently asked questions - Ontario to San Francisco flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Ontario (ONT) and San Francisco (SFO) is 584.78 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.