Southwest Airlines
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Oakland International Airport
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United States
Ontario International Airport
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Scan through all non-stop flights from Oakland, East Bay to Ontario. The full flight schedule below gives an overview of all non-stop flights from OAK to ONT, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In Ontario, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Ontario is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.
Currently, there is only one airline operating non-stop flights from Oakland, East Bay OAK to Ontario ONT, which is Southwest Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their OAK ONT flight schedule.
Flights from OAK to ONT are operated 27 times a week, with an average of 4 flights per day. Departure times vary between 05:25 - 22:25. The earliest flight departs at 05:25, the last flight departs at 22:25. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Oakland, East Bay to Ontario takes 1 hour and 20 minutes. The flight distance between Oakland, East Bay and Ontario is 361 miles (or 581 km).
There is 1 airport in Ontario: Ontario International Airport (ONT).
There are 27 flights per week flying from Oakland, East Bay to Ontario (as of April 2026).
1 hour and 20 minutes is the average flight time from Oakland, East Bay to Ontario.
The distance from Oakland, East Bay to Ontario is 361 miles (581 kilometers).
Southwest Airlines is the only airline flying nonstop from Oakland, East Bay to Ontario.
There are no alliances flying direct from Oakland, East Bay to Ontario at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Oakland, East Bay to Ontario:
The earliest flight departs at 05:25 from Oakland, East Bay and arrives at 06:45 at Ontario.
The latest flight departs at 22:25 from Oakland, East Bay and arrives at 23:50 at Ontario.
361 miles (581 km) · 1h 20m
05:45
07:05
Southwest Airlines
WN 1142
Southwest Airlines
Boeing 757
Y
W
J
F
06:00
07:20
Southwest Airlines
WN 2084
Southwest Airlines
Boeing 757
Y
W
J
F
06:00
07:20
Southwest Airlines
WN 516
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:00
07:20
Southwest Airlines
WN 516
Southwest Airlines
Boeing 757
Y
W
J
F
06:05
07:25
Southwest Airlines
WN 516
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:10
07:30
Southwest Airlines
WN 2084
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:35
07:55
Southwest Airlines
WN 4073
Southwest Airlines
Boeing 757
Y
W
J
F
07:25
08:45
Southwest Airlines
WN 516
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:45
12:05
Southwest Airlines
WN 556
Southwest Airlines
Boeing 757
Y
W
J
F
10:50
12:10
Southwest Airlines
WN 1966
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:55
12:15
Southwest Airlines
WN 2084
Southwest Airlines
Boeing 757
Y
W
J
F
10:55
12:15
Southwest Airlines
WN 101
Southwest Airlines
Boeing 757
Y
W
J
F
11:05
12:30
Southwest Airlines
WN 4669
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
12:05
13:25
Southwest Airlines
WN 1415
Southwest Airlines
Boeing 757
Y
W
J
F
12:45
14:05
Southwest Airlines
WN 1130
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
14:10
15:30
Southwest Airlines
WN 540
Southwest Airlines
Boeing 757
Y
W
J
F
15:25
16:45
Southwest Airlines
WN 4073
Southwest Airlines
Boeing 757
Y
W
J
F
15:45
17:05
Southwest Airlines
WN 540
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
16:00
17:20
Southwest Airlines
WN 540
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
16:30
17:50
Southwest Airlines
WN 556
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
17:50
19:10
Southwest Airlines
WN 540
Southwest Airlines
Boeing 757
Y
W
J
F
18:40
20:00
Southwest Airlines
WN 738
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:00
21:20
Southwest Airlines
WN 1142
Southwest Airlines
Boeing 757
Y
W
J
F
20:00
21:20
Southwest Airlines
WN 1087
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:50
22:10
Southwest Airlines
WN 1087
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:55
22:15
Southwest Airlines
WN 2829
Southwest Airlines
Boeing 757
Y
W
J
F
21:55
23:20
Southwest Airlines
WN 2829
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
21:55
23:15
Southwest Airlines
WN 1087
Southwest Airlines
Boeing 757
Y
W
J
F
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