Southwest Airlines
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United States
Ontario International Airport
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United States
Oakland International Airport
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Scan through all non-stop flights from Ontario to Oakland, East Bay. The full flight schedule below gives an overview of all non-stop flights from ONT to OAK, 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 Oakland, East Bay, 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.
Oakland, East Bay 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 Ontario ONT to Oakland, East Bay OAK, 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 ONT OAK flight schedule.
Flights from ONT to OAK are operated 27 times a week, with an average of 4 flights per day. Departure times vary between 05:05 - 21:15. The earliest flight departs at 05:05, the last flight departs at 21:15. 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 Ontario to Oakland, East Bay takes 1 hour and 20 minutes. The flight distance between Ontario and Oakland, East Bay is 361 miles (or 581 km).
There is 1 airport in Oakland, East Bay: Oakland International Airport (OAK).
There are 27 flights per week flying from Ontario to Oakland, East Bay (as of April 2026).
1 hour and 20 minutes is the average flight time from Ontario to Oakland, East Bay.
The distance from Ontario to Oakland, East Bay is 361 miles (581 kilometers).
Southwest Airlines is the only airline flying nonstop from Ontario to Oakland, East Bay.
There are no alliances flying direct from Ontario to Oakland, East Bay at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Ontario to Oakland, East Bay:
The earliest flight departs at 05:05 from Ontario and arrives at 06:30 at Oakland, East Bay.
The latest flight departs at 21:15 from Ontario and arrives at 22:35 at Oakland, East Bay.
361 miles (581 km) · 1h 20m
05:05
06:30
Southwest Airlines
WN 4135
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
05:40
07:05
Southwest Airlines
WN 4135
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
05:45
07:10
Southwest Airlines
WN 4135
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
05:55
07:15
Southwest Airlines
WN 3659
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:00
07:25
Southwest Airlines
WN 4135
Southwest Airlines
Boeing 757
Y
W
J
F
06:00
07:20
Southwest Airlines
WN 3659
Southwest Airlines
Boeing 757
Y
W
J
F
06:00
07:20
Southwest Airlines
WN 3659
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:20
11:45
Southwest Airlines
WN 4136
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:45
12:10
Southwest Airlines
WN 4136
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:55
12:20
Southwest Airlines
WN 4136
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
11:00
12:20
Southwest Airlines
WN 2424
Southwest Airlines
Boeing 757
Y
W
J
F
11:05
12:30
Southwest Airlines
WN 2424
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
11:10
12:35
Southwest Airlines
WN 4136
Southwest Airlines
Boeing 757
Y
W
J
F
12:30
13:50
Southwest Airlines
WN 2424
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
12:55
14:15
Southwest Airlines
WN 2424
Southwest Airlines
Boeing 757
Y
W
J
F
15:20
16:45
Southwest Airlines
WN 542
Southwest Airlines
Boeing 757
Y
W
J
F
15:30
16:50
Southwest Airlines
WN 3661
Southwest Airlines
Boeing 757
Y
W
J
F
15:35
16:55
Southwest Airlines
WN 3661
Southwest Airlines
Boeing 757
Y
W
J
F
16:00
17:40
Southwest Airlines
WN 2168
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
17:05
18:30
Southwest Airlines
WN 2045
Southwest Airlines
Boeing 757
Y
W
J
F
17:20
18:40
Southwest Airlines
WN 3662
Southwest Airlines
Boeing 757
Y
W
J
F
17:50
19:10
Southwest Airlines
WN 3662
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
18:25
19:45
Southwest Airlines
WN 3662
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
19:20
20:45
Southwest Airlines
WN 3459
Southwest Airlines
Boeing 757
Y
W
J
F
19:55
21:20
Southwest Airlines
WN 2261
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
20:00
21:25
Southwest Airlines
WN 2261
Southwest Airlines
Boeing 757
Y
W
J
F
20:25
21:45
Southwest Airlines
WN 3662
Southwest Airlines
Boeing 757
Y
W
J
F
20:50
22:15
Southwest Airlines
WN 2261
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
21:15
22:35
Southwest Airlines
WN 3143
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
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