Compare live prices for ONT to SFO on
Wed, 15 Apr 2026. Use the search panel
to change origin, destination, passengers, cabin and trip type instantly.
ONT → SFOApprox. 584.78 km15 Apr 2026Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
ONT→SFO
Sort By
💰 Cheapest
⚡ Fastest
🕐 Earliest
🎚️ Filters
Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night 12am–6am
🌅 Morning 6am–12pm
☀️ Afternoon 12pm–6pm
🌆 Evening 6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
—
—
per person · incl. taxes
Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night 12am–6am
🌅 Morning 6am–12pm
☀️ Afternoon 12pm–6pm
🌆 Evening 6pm–12am
Fare Type
Airlines All
Loading…
Showing 25
of 223
live flights
Delta Air Lines
DL-2197
18:37
04/15/2026
LAX
1h 19m
Non-stop
19:56
04/15/2026
SFO
₹7,311
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-2267
14:00
04/15/2026
LAX
1h 21m
Non-stop
15:21
04/15/2026
SFO
₹7,311
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1559
16:00
04/15/2026
LAX
1h 21m
Non-stop
17:21
04/15/2026
SFO
₹7,311
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1421
06:20
04/15/2026
LAX
1h 25m
Non-stop
07:45
04/15/2026
SFO
₹7,311
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1715
08:25
04/15/2026
LAX
1h 25m
Non-stop
09:50
04/15/2026
SFO
₹7,311
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-2986
21:45
04/15/2026
LAX
1h 25m
Non-stop
23:10
04/15/2026
SFO
₹7,311
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-1105
06:20
04/15/2026
LAX
1h 25m
Non-stop
07:45
04/15/2026
SFO
₹8,209
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2891
18:30
04/15/2026
LAX
1h 25m
Non-stop
19:55
04/15/2026
SFO
₹8,209
per person
✕ Non-refundable9 fare options
Frontier Airlines
F9-94206
19:44
04/15/2026
ONT
12h 39m
1 Stop
⏱ LAS · 9h 36m
08:23
04/16/2026
+1
SFO
₹8,567
per person
✕ Non-refundable🔥 Last 4 seats
Frontier Airlines
F9-92232
11:44
04/15/2026
ONT
20h 39m
1 Stop
⏱ LAS · 17h 31m
08:23
04/16/2026
+1
SFO
₹8,567
per person
✕ Non-refundable🔥 Last 4 seats
Frontier Airlines
F9-92232
11:44
04/15/2026
ONT
7h 1m
1 Stop
⏱ LAS · 3h 50m
18:45
04/15/2026
SFO
₹10,029
per person
✕ Non-refundable🔥 Last 4 seats
Southwest Airlines
WN-1909
14:00
04/15/2026
LAX
1h 20m
Non-stop
15:20
04/15/2026
SFO
₹10,074
per person
✕ Non-refundable9 fare options
United Airlines
UA-2056
21:20
04/15/2026
LAX
1h 29m
Non-stop
22:49
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
United Airlines
UA-233
17:27
04/15/2026
LAX
1h 30m
Non-stop
18:57
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
United Airlines
UA-2740
11:43
04/15/2026
LAX
1h 32m
Non-stop
13:15
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
United Airlines
UA-469
13:20
04/15/2026
LAX
1h 32m
Non-stop
14:52
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
United Airlines
UA-2019
15:40
04/15/2026
LAX
1h 32m
Non-stop
17:12
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
United Airlines
UA-1791
10:27
04/15/2026
LAX
1h 33m
Non-stop
12:00
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
United Airlines
UA-1372
07:15
04/15/2026
LAX
1h 34m
Non-stop
08:49
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable5 fare options
American Airlines
AA-6209
22:18
04/15/2026
LAX
1h 33m
Non-stop
23:51
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable9 fare options
American Airlines
AA-6431
17:45
04/15/2026
LAX
1h 35m
Non-stop
19:20
04/15/2026
SFO
₹10,574
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
Frontier Airlines
F9-92232
11:44
04/15/2026
ONT
26h 8m
1 Stop
⏱ LAS · 22h 56m
13:52
04/16/2026
+1
SFO
₹10,604
per person
✕ Non-refundable🔥 Last 4 seats
Frontier Airlines
F9-94206
19:44
04/15/2026
ONT
18h 8m
1 Stop
⏱ LAS · 15h 1m
13:52
04/16/2026
+1
SFO
₹10,604
per person
✕ Non-refundable🔥 Last 4 seats
Southwest Airlines
WN-2546
08:05
04/15/2026
BUR
1h 25m
Non-stop
09:30
04/15/2026
SFO
₹10,913
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-996
12:50
04/15/2026
BUR
1h 25m
Non-stop
14:15
04/15/2026
SFO
₹10,913
per person
✕ Non-refundable9 fare options
😕 No flights match your filters.
Ontario (ONT)
📍 Ontario International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 34.055999755859375
📐 Longitude: -117.60099792480469
San Francisco (SFO)
📍 San Francisco International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 37.61899948120117
📐 Longitude: -122.375
✈ Distance: Ontario,USA to San Francisco,USA — 584.78 km
📅 Results on this page are loaded for 15 Apr 2026. Click View all flights for the complete live search.
Ontario to San Francisco — what to expect when booking
The ONT–SFO route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Ontario,USA and San Francisco,USA is approximately
584.78 km.
Before you book
Compare nearby dates
The date strip above lets you scan nearby fares without restarting the search.
Open full search for more control
Route page shows a limited live set. Full search opens the complete inventory with fresh results.
Check fare details
Each result shows baggage, refundability and fare details before you proceed.
❓ Frequently asked questions — Ontario to San Francisco flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Ontario,USA (ONT) and San Francisco,USA (SFO) is approximately 584.78 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.