Cheap flight from Portland to Ontario from PHP 2,141
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Flights from Portland to Ontario
Cheap flight deals from Portland to Ontario
Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.
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Round-trip
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One way
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Cheapest nonstop
PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Thu, May 29 | Frontier Airlines
SIN 2:30 PM2h 25mNonstopPDX 4:55 PMOntario - Portland | Thu, Jun 5 | Frontier AirlinesPHP 3,855 PHP 8,35654% OFF54% OFFPHP 8,356 PHP 3,855 -
PDX 12:18 PM2h 20mNonstopONT 2:38 PMPortland - Ontario | Sat, Jun 14 | Frontier Airlines
SIN 9:43 AM2h 31mNonstopPDX 12:14 PMOntario - Portland | Sat, Jun 21 | Frontier AirlinesPHP 4,344 PHP 8,35648% OFF48% OFFPHP 8,356 PHP 4,344
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PDX 12:18 PM2h 20mNonstopONT 2:38 PMPortland - Ontario | Sat, Jun 21 | Frontier Airlines
SIN 3:33 PM2h 25mNonstopPDX 5:58 PMOntario - Portland | Sat, Jun 28 | Frontier AirlinesPHP 4,344 PHP 8,35648% OFF48% OFFPHP 8,356 PHP 4,344
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PDX 12:18 PM2h 20mNonstopONT 2:38 PMPortland - Ontario | Sat, Jun 28 | Frontier Airlines
SIN 3:35 PM2h 23mNonstopPDX 5:58 PMOntario - Portland | Sat, Jul 5 | Frontier AirlinesPHP 4,35948% OFFPHP 8,356 PHP 4,359
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Sun, May 25 | Frontier Airlines
SIN 9:43 AM2h 31mNonstopPDX 12:14 PMOntario - Portland | Mon, Jun 2 | Frontier AirlinesPHP 4,52046% OFFPHP 8,356 PHP 4,520
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Fri, May 30 | Frontier Airlines
SIN 9:43 AM2h 31mNonstopPDX 12:14 PMOntario - Portland | Sat, Jun 7 | Frontier AirlinesPHP 4,52846% OFFPHP 8,356 PHP 4,528
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Fri, May 23 | Frontier Airlines
SIN 9:43 AM2h 41mNonstopPDX 12:24 PMOntario - Portland | Wed, May 28 | Frontier AirlinesPHP 4,75743% OFFPHP 8,356 PHP 4,757
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PDX 11:13 AM2h 22mNonstopONT 1:35 PMPortland - Ontario | Thu, Jun 5 | Frontier Airlines
SIN 2:30 PM2h 25mNonstopPDX 4:55 PMOntario - Portland | Mon, Jun 9 | Frontier AirlinesPHP 7,28113% OFFPHP 8,356 PHP 7,281
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PDX 11:13 AM2h 22mNonstopONT 1:35 PMPortland - Ontario | Mon, Jun 2 | Frontier Airlines
SIN 9:43 AM2h 31mNonstopPDX 12:14 PMOntario - Portland | Mon, Jun 9 | Frontier AirlinesPHP 7,28113% OFFPHP 8,356 PHP 7,281
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Thu, May 22 | Frontier Airlines
SIN 2:19 PM2h 31mNonstopPDX 4:50 PMOntario - Portland | Sun, May 25 | Frontier AirlinesPHP 7,8556% OFFPHP 8,356 PHP 7,855
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PDX 1:00 PM17h 25m1 stopsONT Invalid DatePortland - Ontario | Tue, May 6 | Normal Airline
ONT 3:00 PM6hNonstopPDX 4:00 PMOntario - Portland | Thu, May 8 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PDX 12:18 PM2h 20mNonstopONT 2:38 PMPortland - Ontario | Sat, Jun 14 | Frontier AirlinesPHP 2,141 PHP 5,90764% OFF64% OFFPHP 5,907 PHP 2,141
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PDX 12:18 PM2h 20mNonstopONT 2:38 PMPortland - Ontario | Sat, Jun 21 | Frontier AirlinesPHP 2,203 PHP 5,90763% OFF63% OFFPHP 5,907 PHP 2,203
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PDX 11:13 AM2h 22mNonstopONT 1:35 PMPortland - Ontario | Thu, Jun 5 | Frontier AirlinesPHP 2,210 PHP 5,90763% OFF63% OFFPHP 5,907 PHP 2,210
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PDX 12:18 PM2h 20mNonstopONT 2:38 PMPortland - Ontario | Sat, Jun 28 | Frontier AirlinesPHP 2,24962% OFFPHP 5,907 PHP 2,249
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PDX 11:13 AM2h 22mNonstopONT 1:35 PMPortland - Ontario | Fri, Jun 27 | Frontier AirlinesPHP 2,70054% OFFPHP 5,907 PHP 2,700
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Thu, May 29 | Frontier AirlinesPHP 3,64138% OFFPHP 5,907 PHP 3,641
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PDX 11:13 AM2h 22mNonstopONT 1:35 PMPortland - Ontario | Mon, Jun 2 | Frontier AirlinesPHP 3,64138% OFFPHP 5,907 PHP 3,641
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PDX 11:13 AM2h 22mNonstopONT 1:35 PMPortland - Ontario | Sun, Jun 8 | Frontier AirlinesPHP 3,64138% OFFPHP 5,907 PHP 3,641
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Sun, May 25 | Frontier AirlinesPHP 3,93133% OFFPHP 5,907 PHP 3,931
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PDX 11:04 AM2h 20mNonstopONT 1:24 PMPortland - Ontario | Thu, May 22 | Frontier AirlinesPHP 5,5536% OFFPHP 5,907 PHP 5,553
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PDX 1:00 PM17h 25m1 stopsONT Invalid DatePortland - Ontario | Tue, May 6 | 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.
Flying from Portland to Ontario
| Cheapest one-way flight price | PHP 2,141 |
|---|---|
| Cheapest round-trip ticket price | PHP 3,854 |
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 12,470.35 km |
| Popular airline | Alaska Airlines |
When is the cheapest time to fly from Portland to Ontario?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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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 PHP 12,933.
How to find a cheap flight from Portland 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 Portland to Ontario. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
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Look Out for Deals
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Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
Use the Trip.com App
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