Cheap flight from Oakland to Ontario from $43
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Flights from Oakland to Ontario
Cheap flight deals from Oakland to Ontario
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
OAK 6:00 AM1h 25mNonstopONT 7:25 AMOakland - Ontario | Thu, May 15 | Southwest Airlines
SIN 9:05 PM1h 15mNonstopOAK 10:20 PMOntario - Oakland | Thu, May 15 | Southwest Airlines$87 $13134% OFF34% OFF$131 $87 -
OAK 4:45 PM1h 25mNonstopONT 6:10 PMOakland - Ontario | Tue, Jun 3 | Southwest Airlines
SIN 3:50 PM1h 15mNonstopOAK 5:05 PMOntario - Oakland | Tue, Jun 10 | Southwest Airlines$107 $13118% OFF18% OFF$131 $107
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OAK 8:40 PM1h 20mNonstopONT 10:00 PMOakland - Ontario | Thu, May 29 | Southwest Airlines
SIN 8:45 PM1h 15mNonstopOAK 10:00 PMOntario - Oakland | Thu, Jun 5 | Southwest Airlines$107 $13118% OFF18% OFF$131 $107
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OAK 5:55 PM1h 25mNonstopONT 7:20 PMOakland - Ontario | Thu, Jun 5 | Southwest Airlines
SIN 5:55 AM1h 15mNonstopOAK 7:10 AMOntario - Oakland | Thu, Jun 12 | Southwest Airlines$10718% OFF$131 $107
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OAK 10:50 AM1h 20mNonstopONT 12:10 PMOakland - Ontario | Tue, May 27 | Southwest Airlines
SIN 6:20 AM1h 20mNonstopOAK 7:40 AMOntario - Oakland | Tue, Jun 3 | Southwest Airlines$10718% OFF$131 $107
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OAK 10:50 AM1h 20mNonstopONT 12:10 PMOakland - Ontario | Wed, May 21 | Southwest Airlines
SIN 6:00 PM1h 20mNonstopOAK 7:20 PMOntario - Oakland | Wed, May 21 | Southwest Airlines$10818% OFF$131 $108
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OAK 1:10 PM1h 20mNonstopONT 2:30 PMOakland - Ontario | Mon, May 12 | Southwest Airlines
SIN 7:50 PM1h 20mNonstopOAK 9:10 PMOntario - Oakland | Tue, May 13 | Southwest Airlines$10817% OFF$131 $108
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OAK 2:50 PM1h 20mNonstopONT 4:10 PMOakland - Ontario | Thu, May 8 | Southwest Airlines
ONT 11:45 AM1h 15mNonstopOAK 1:00 PMOntario - Oakland | Mon, May 12 | Southwest Airlines$10917% OFF$131 $109
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OAK 8:30 PM1h 20mNonstopONT 9:50 PMOakland - Ontario | Wed, May 7 | Southwest Airlines
SIN 6:10 AM1h 20mNonstopOAK 7:30 AMOntario - Oakland | Thu, May 8 | Southwest Airlines$10917% OFF$131 $109
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OAK 4:45 PM1h 25mNonstopONT 6:10 PMOakland - Ontario | Wed, May 28 | Southwest Airlines
SIN 6:52 PM3h 33m1 stopsOAK 10:25 PMOntario - Oakland | Sat, May 31 | Spirit Airlines$10520% OFF$131 $105
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OAK 1:00 PM17h 25m1 stopsONT Invalid DateOakland - Ontario | Mon, May 5 | Normal Airline
ONT 3:00 PM6hNonstopOAK 4:00 PMOntario - Oakland | Wed, May 7 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
OAK 8:30 PM1h 20mNonstopONT 9:50 PMOakland - Ontario | Tue, Jun 3 | Southwest Airlines$43 $20779% OFF79% OFF$207 $43
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OAK 8:00 PM1h 25mNonstopONT 9:25 PMOakland - Ontario | Thu, Jun 5 | Southwest Airlines$53 $20774% OFF74% OFF$207 $53
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OAK 4:45 PM1h 25mNonstopONT 6:10 PMOakland - Ontario | Wed, Jun 4 | Southwest Airlines$53 $20774% OFF74% OFF$207 $53
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OAK 6:55 PM1h 25mNonstopONT 8:20 PMOakland - Ontario | Thu, May 8 | Southwest Airlines$5474% OFF$207 $54
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OAK 6:55 PM1h 25mNonstopONT 8:20 PMOakland - Ontario | Mon, May 19 | Southwest Airlines$5474% OFF$207 $54
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OAK 8:40 PM1h 20mNonstopONT 10:00 PMOakland - Ontario | Thu, May 22 | Southwest Airlines$5573% OFF$207 $55
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OAK 10:45 AM1h 20mNonstopONT 12:05 PMOakland - Ontario | Mon, May 26 | Southwest Airlines$5573% OFF$207 $55
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OAK 6:00 AM1h 25mNonstopONT 7:25 AMOakland - Ontario | Mon, Jun 2 | Southwest Airlines$5573% OFF$207 $55
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OAK 10:50 AM1h 20mNonstopONT 12:10 PMOakland - Ontario | Wed, May 28 | Southwest Airlines$8659% OFF$207 $86
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OAK 6:55 AM1h 20mNonstopONT 8:15 AMOakland - Ontario | Wed, May 21 | Southwest Airlines$17217% OFF$207 $172
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OAK 1:00 PM17h 25m1 stopsONT Invalid DateOakland - Ontario | 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.
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Frequently Asked Questions
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When are flight tickets from Oakland (OAK) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Oakland to Ontario 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 Oakland (OAK) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around $458.
How to find a cheap flight from Oakland to Ontario
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 Oakland to Ontario. Book your flights at the right time and save more.
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Flight Info | Oakland to Ontario
| Cheapest one-way flight price | $42 |
|---|---|
| Cheapest round-trip ticket price | $86 |
| Off-season for travel | September |
| Peak season for travel | February |
| Flight distance | 12,781.13 km |
| Popular airline | Delta Air Lines |