Cheap Flights from Las Vegas to Ontario
Flight deals from Las Vegas to Ontario
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
LAS 20:211h 6mDirectONT 21:27Las Vegas - Ontario | Sat, May 10 | Frontier Airlines
SIN 10:441h 12mDirectLAS 11:56Ontario - Las Vegas | Tue, May 13 | Frontier AirlinesNZD 66 NZD 17563% OFF63% OFFNZD 175 NZD 66 -
LAS 06:201h 3mDirectONT 07:23Las Vegas - Ontario | Thu, May 22 | Frontier Airlines
SIN 15:421h 11mDirectLAS 16:53Ontario - Las Vegas | Thu, May 22 | Frontier AirlinesNZD 68 NZD 17561% OFF61% OFFNZD 175 NZD 68
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Wed, May 7 | Frontier Airlines
SIN 09:341h 25mDirectLAS 10:59Ontario - Las Vegas | Sat, May 10 | Frontier AirlinesNZD 69 NZD 17561% OFF61% OFFNZD 175 NZD 69
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LAS 19:451h 6mDirectONT 20:51Las Vegas - Ontario | Tue, Jun 3 | Frontier Airlines
SIN 10:301h 17mDirectLAS 11:47Ontario - Las Vegas | Wed, Jun 4 | Spirit AirlinesNZD 7656% OFFNZD 175 NZD 76
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LAS 14:291h 10mDirectONT 15:39Las Vegas - Ontario | Thu, May 15 | Frontier Airlines
SIN 10:441h 12mDirectLAS 11:56Ontario - Las Vegas | Tue, May 20 | Frontier AirlinesNZD 7756% OFFNZD 175 NZD 77
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Tue, May 13 | Frontier Airlines
SIN 15:111h 23mDirectLAS 16:34Ontario - Las Vegas | Tue, May 20 | Frontier AirlinesNZD 12230% OFFNZD 175 NZD 122
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LAS 10:351h 9mDirectONT 11:44Las Vegas - Ontario | Wed, Jun 4 | Frontier Airlines
SIN 15:481h 25mDirectLAS 17:13Ontario - Las Vegas | Wed, Jun 11 | Frontier AirlinesNZD 12230% OFFNZD 175 NZD 122
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Wed, May 14 | Frontier Airlines
SIN 10:521h 12mDirectLAS 12:04Ontario - Las Vegas | Sun, May 18 | Frontier AirlinesNZD 13125% OFFNZD 175 NZD 131
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LAS 06:201h 4mDirectONT 07:24Las Vegas - Ontario | Sun, May 18 | Frontier Airlines
SIN 10:441h 9mDirectLAS 11:53Ontario - Las Vegas | Sun, May 25 | Frontier AirlinesNZD 13324% OFFNZD 175 NZD 133
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Tue, May 6 | Frontier Airlines
SIN 10:521h 12mDirectLAS 12:04Ontario - Las Vegas | Mon, May 12 | Frontier AirlinesNZD 15213% OFFNZD 175 NZD 152
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LAS 13:0017h 25m1 stopsONT Invalid DateLas Vegas - Ontario | Thu, May 8 | Normal Airline
ONT 15:006hDirectLAS 16:00Ontario - Las Vegas | Sat, May 10 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
LAS 06:201h 3mDirectONT 07:23Las Vegas - Ontario | Thu, May 22 | Frontier AirlinesNZD 32 NZD 12775% OFF75% OFFNZD 127 NZD 32
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LAS 20:211h 6mDirectONT 21:27Las Vegas - Ontario | Fri, May 9 | Frontier AirlinesNZD 34 NZD 12773% OFF73% OFFNZD 127 NZD 34
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Wed, May 21 | Frontier AirlinesNZD 50 NZD 12761% OFF61% OFFNZD 127 NZD 50
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LAS 19:451h 4mDirectONT 20:49Las Vegas - Ontario | Tue, May 27 | Frontier AirlinesNZD 6549% OFFNZD 127 NZD 65
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Wed, May 14 | Frontier AirlinesNZD 6549% OFFNZD 127 NZD 65
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LAS 19:451h 6mDirectONT 20:51Las Vegas - Ontario | Wed, Jun 4 | Frontier AirlinesNZD 6648% OFFNZD 127 NZD 66
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LAS 06:201h 4mDirectONT 07:24Las Vegas - Ontario | Fri, May 16 | Frontier AirlinesNZD 6747% OFFNZD 127 NZD 67
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LAS 14:291h 10mDirectONT 15:39Las Vegas - Ontario | Thu, May 15 | Frontier AirlinesNZD 6747% OFFNZD 127 NZD 67
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Tue, May 6 | Frontier AirlinesNZD 8830% OFFNZD 127 NZD 88
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LAS 08:491h 5mDirectONT 09:54Las Vegas - Ontario | Wed, May 7 | Frontier AirlinesNZD 11013% OFFNZD 127 NZD 110
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LAS 13:0017h 25m1 stopsONT Invalid DateLas Vegas - Ontario | Thu, May 8 | 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 Information from Las Vegas to Ontario
| Cheapest one-way flight price | NZD 31 |
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| Cheapest round-trip ticket price | NZD 65 |
| Off-season for travel | February |
| Peak season for travel | March |
| Flight distance | 12,242.65 km |
| Popular airline | Frontier Airlines |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Las Vegas (LAS) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Las Vegas 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 Las Vegas (LAS) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around NZD 183.
How to find a cheap flight from Las Vegas 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 Las Vegas to Ontario. Book your flights at the right time and save more.
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Compare prices on travel agency and airline websites.
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Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
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Flying during the week, early in the morning, or late at night can help save money.
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