Cheap flight from Ontario to Oakland from $43
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Flights from Ontario to Oakland
Cheap flight deals from Ontario to Oakland
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
ONT 6:20 PM1h 20mNonstopOAK 7:40 PMOntario - Oakland | Thu, May 29 | Southwest Airlines
OAK 6:00 AM1h 25mNonstopONT 7:25 AMOakland - Ontario | Thu, Jun 5 | Southwest Airlines$105 $17540% OFF40% OFF$175 $105 -
ONT 11:00 AM1h 15mNonstopOAK 12:15 PMOntario - Oakland | Tue, Jun 3 | Southwest Airlines
OAK 6:00 AM1h 25mNonstopONT 7:25 AMOakland - Ontario | Tue, Jun 10 | Southwest Airlines$106 $17540% OFF40% OFF$175 $106
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ONT 6:20 AM1h 20mNonstopOAK 7:40 AMOntario - Oakland | Wed, May 28 | Southwest Airlines
OAK 6:55 AM1h 20mNonstopSIN 8:15 AMOakland - Ontario | Wed, Jun 4 | Southwest Airlines$107 $17539% OFF39% OFF$175 $107
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ONT 7:50 PM1h 20mNonstopOAK 9:10 PMOntario - Oakland | Tue, May 27 | Southwest Airlines
OAK 6:55 AM1h 20mNonstopSIN 8:15 AMOakland - Ontario | Tue, Jun 3 | Southwest Airlines$10838% OFF$175 $108
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ONT 11:45 AM1h 15mNonstopOAK 1:00 PMOntario - Oakland | Mon, May 26 | Southwest Airlines
OAK 8:40 PM1h 20mNonstopSIN 10:00 PMOakland - Ontario | Mon, Jun 2 | Southwest Airlines$10938% OFF$175 $109
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ONT 6:10 AM1h 20mNonstopOAK 7:30 AMOntario - Oakland | Mon, Jun 2 | Southwest Airlines
OAK 6:00 AM1h 25mNonstopONT 7:25 AMOakland - Ontario | Mon, Jun 9 | Southwest Airlines$10938% OFF$175 $109
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ONT 6:15 PM1h 20mNonstopOAK 7:35 PMOntario - Oakland | Sat, May 10 | Southwest Airlines
OAK 6:00 AM1h 25mNonstopSIN 7:25 AMOakland - Ontario | Mon, May 12 | Southwest Airlines$14418% OFF$175 $144
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ONT 10:55 AM1h 15mNonstopOAK 12:10 PMOntario - Oakland | Tue, Jun 10 | Southwest Airlines
OAK 9:38 PM9h 16m1 stopsSIN 6:54 AMOakland - Ontario | Tue, Jun 17 | Spirit Airlines$14418% OFF$175 $144
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ONT 2:15 PM1h 15mNonstopOAK 3:30 PMOntario - Oakland | Mon, Jun 9 | Southwest Airlines
OAK 9:38 PM9h 16m1 stopsSIN 6:54 AMOakland - Ontario | Mon, Jun 16 | Spirit Airlines$14418% OFF$175 $144
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ONT 6:15 PM1h 20mNonstopOAK 7:35 PMOntario - Oakland | Sat, May 24 | Southwest Airlines
OAK 5:45 AM3h 50m1 stopsSIN 9:35 AMOakland - Ontario | Sun, May 25 | Spirit Airlines$14617% OFF$175 $146
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ONT 1:00 PM17h 25m1 stopsOAK Invalid DateOntario - Oakland | Mon, May 5 | Normal Airline
OAK 3:00 PM6hNonstopONT 4:00 PMOakland - Ontario | Wed, May 7 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
ONT 5:55 AM1h 15mNonstopOAK 7:10 AMOntario - Oakland | Mon, Jun 16 | Southwest Airlines$43 $6635% OFF35% OFF$66 $43
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ONT 6:00 PM1h 20mNonstopOAK 7:20 PMOntario - Oakland | Tue, May 27 | Southwest Airlines$53 $6620% OFF20% OFF$66 $53
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ONT 9:05 PM1h 15mNonstopOAK 10:20 PMOntario - Oakland | Mon, May 26 | Southwest Airlines$53 $6620% OFF20% OFF$66 $53
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ONT 7:50 PM1h 20mNonstopOAK 9:10 PMOntario - Oakland | Wed, May 28 | Southwest Airlines$5320% OFF$66 $53
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ONT 9:05 PM1h 15mNonstopOAK 10:20 PMOntario - Oakland | Thu, May 29 | Southwest Airlines$5320% OFF$66 $53
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ONT 9:05 PM1h 15mNonstopOAK 10:20 PMOntario - Oakland | Mon, May 19 | Southwest Airlines$5418% OFF$66 $54
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ONT 11:00 AM1h 15mNonstopOAK 12:15 PMOntario - Oakland | Tue, May 6 | Southwest Airlines$5518% OFF$66 $55
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ONT 6:10 AM1h 20mNonstopOAK 7:30 AMOntario - Oakland | Thu, May 15 | Southwest Airlines$5518% OFF$66 $55
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ONT 6:20 PM1h 20mNonstopOAK 7:40 PMOntario - Oakland | Mon, Jun 2 | Southwest Airlines$5517% OFF$66 $55
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ONT 4:55 PM1h 15mNonstopOAK 6:10 PMOntario - Oakland | Thu, May 22 | Southwest Airlines$5517% OFF$66 $55
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ONT 1:00 PM17h 25m1 stopsOAK Invalid DateOntario - Oakland | Mon, May 5 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Ontario to Oakland
| Cheapest one-way flight price | $43 |
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| Cheapest round-trip ticket price | $105 |
| Off-season for travel | December |
| Peak season for travel | January |
| Flight distance | 12,781.13 km |
| Popular airline | Delta Air Lines |
When is the cheapest time to fly from Ontario to Oakland?
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Frequently Asked Questions
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When are flight tickets from Ontario (ONT) to Oakland (OAK) the cheapest?
Airlines adjust prices for flights from Ontario to Oakland based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Ontario (ONT) to Oakland (OAK) cost?
According to Trip.com's data, the lowest price is around $367.
How to find a cheap flight from Ontario to Oakland
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Oakland. Book your flights at the right time and save more.
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