Cheap Flights from Portland to Ontario
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Flight deals from Portland 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
PDX 11:042h 20mDirectONT 13:24Portland - Ontario | Thu, May 29 | Frontier Airlines
SIN 14:302h 25mDirectPDX 16:55Ontario - Portland | Thu, Jun 5 | Frontier AirlinesNZD 118 NZD 28559% OFF59% OFFNZD 285 NZD 118 -
PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Sat, Jun 14 | Frontier Airlines
SIN 09:432h 31mDirectPDX 12:14Ontario - Portland | Sat, Jun 21 | Frontier AirlinesNZD 119 NZD 28557% OFF57% OFFNZD 285 NZD 119
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PDX 11:132h 22mDirectONT 13:35Portland - Ontario | Thu, Jun 5 | Frontier Airlines
SIN 14:302h 25mDirectPDX 16:55Ontario - Portland | Mon, Jun 9 | Frontier AirlinesNZD 131 NZD 28554% OFF54% OFFNZD 285 NZD 131
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Sat, Jun 21 | Frontier Airlines
SIN 09:432h 31mDirectPDX 12:14Ontario - Portland | Sat, Jun 28 | Frontier AirlinesNZD 13154% OFFNZD 285 NZD 131
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Sat, Jun 28 | Frontier Airlines
SIN 09:432h 24mDirectPDX 12:07Ontario - Portland | Sat, Jul 5 | Frontier AirlinesNZD 13254% OFFNZD 285 NZD 132
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PDX 12:172h 23mDirectONT 14:40Portland - Ontario | Sat, Jul 12 | Frontier Airlines
SIN 15:352h 23mDirectPDX 17:58Ontario - Portland | Sat, Jul 19 | Frontier AirlinesNZD 13353% OFFNZD 285 NZD 133
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PDX 11:132h 22mDirectONT 13:35Portland - Ontario | Mon, Jun 2 | Frontier Airlines
SIN 09:432h 31mDirectPDX 12:14Ontario - Portland | Mon, Jun 9 | Frontier AirlinesNZD 13553% OFFNZD 285 NZD 135
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PDX 11:042h 20mDirectONT 13:24Portland - Ontario | Sun, May 25 | Frontier Airlines
SIN 09:432h 31mDirectPDX 12:14Ontario - Portland | Mon, Jun 2 | Frontier AirlinesNZD 13951% OFFNZD 285 NZD 139
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PDX 11:042h 20mDirectONT 13:24Portland - Ontario | Fri, May 30 | Frontier Airlines
SIN 09:432h 31mDirectPDX 12:14Ontario - Portland | Sat, Jun 7 | Frontier AirlinesNZD 13951% OFFNZD 285 NZD 139
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PDX 11:042h 20mDirectONT 13:24Portland - Ontario | Thu, May 22 | Frontier Airlines
SIN 14:192h 31mDirectPDX 16:50Ontario - Portland | Sun, May 25 | Frontier AirlinesNZD 25411% OFFNZD 285 NZD 254
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PDX 13:0017h 25m1 stopsONT Invalid DatePortland - Ontario | Fri, May 16 | Normal Airline
ONT 15:006hDirectPDX 16:00Ontario - Portland | Sun, May 18 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PDX 12:172h 23mDirectONT 14:40Portland - Ontario | Sat, Jul 5 | Frontier AirlinesNZD 65 NZD 19066% OFF66% OFFNZD 190 NZD 65
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Sat, Jun 14 | Frontier AirlinesNZD 66 NZD 19066% OFF66% OFFNZD 190 NZD 66
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Sat, Jun 28 | Frontier AirlinesNZD 67 NZD 19065% OFF65% OFFNZD 190 NZD 67
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PDX 11:132h 22mDirectONT 13:35Portland - Ontario | Fri, Jul 4 | Frontier AirlinesNZD 6765% OFFNZD 190 NZD 67
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PDX 11:132h 22mDirectONT 13:35Portland - Ontario | Thu, Jun 5 | Frontier AirlinesNZD 6864% OFFNZD 190 NZD 68
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PDX 11:132h 22mDirectONT 13:35Portland - Ontario | Mon, Jun 2 | Frontier AirlinesNZD 8356% OFFNZD 190 NZD 83
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PDX 11:042h 20mDirectONT 13:24Portland - Ontario | Sun, May 25 | Frontier AirlinesNZD 9351% OFFNZD 190 NZD 93
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Sat, Jun 21 | Frontier AirlinesNZD 13827% OFFNZD 190 NZD 138
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Tue, Jun 24 | Frontier AirlinesNZD 13827% OFFNZD 190 NZD 138
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PDX 12:182h 20mDirectONT 14:38Portland - Ontario | Tue, Jun 17 | Frontier AirlinesNZD 16911% OFFNZD 190 NZD 169
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PDX 13:0017h 25m1 stopsONT Invalid DatePortland - Ontario | Fri, May 16 | 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 Portland to Ontario
| Cheapest one-way flight price | NZD 64 |
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| Cheapest round-trip ticket price | NZD 117 |
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 12,470.35 km |
| Popular airline | Alaska Airlines |
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FAQ
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When are flight tickets from Portland (PDX) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Portland 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 Portland (PDX) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around NZD 395.
How to find a cheap flight from Portland to Ontario
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