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$167+ Direct flights from Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — AKL
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Direct flights from Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 11 March 2026.

Sat 4/407:00
ONT
-
PDX
Nonstop2h 28m
Alaska Airlines
Wed 8/417:58
PDX
-
ONT
Nonstop2h 25m
Alaska Airlines
Deal found 9/3$265
Fri 3/407:00
ONT
-
PDX
Nonstop2h 28m
Alaska Airlines
Tue 7/417:58
PDX
-
ONT
Nonstop2h 25m
Alaska Airlines
Deal found 9/3$281
Thu 23/407:00
ONT
-
PDX
Nonstop2h 24m
Alaska Airlines
Thu 30/421:30
PDX
-
ONT
Nonstop2h 18m
Alaska Airlines
Deal found 9/3$298
Sat 25/407:00
ONT
-
PDX
Nonstop2h 24m
Alaska Airlines
Sun 26/421:30
PDX
-
ONT
Nonstop2h 18m
Alaska Airlines
Deal found 9/3$315
Thu 30/407:00
ONT
-
PDX
Nonstop2h 24m
Alaska Airlines
Sun 3/521:30
PDX
-
ONT
Nonstop2h 18m
Alaska Airlines
Deal found 10/3$332
Sun 5/407:00
ONT
-
PDX
Nonstop2h 28m
Alaska Airlines
Tue 7/417:58
PDX
-
ONT
Nonstop2h 25m
Alaska Airlines
Deal found 7/3$349
Thu 14/511:15
ONT
-
PDX
Nonstop2h 24m
Alaska Airlines
Sun 17/508:00
PDX
-
ONT
Nonstop2h 21m
Alaska Airlines
Deal found 9/3$366
Sat 4/407:00
ONT
-
PDX
Nonstop2h 28m
Alaska Airlines
Thu 9/417:58
PDX
-
ONT
Nonstop2h 25m
Alaska Airlines
Deal found 7/3$374
Fri 1/517:56
ONT
-
PDX
Nonstop2h 29m
Alaska Airlines
Wed 6/521:30
PDX
-
ONT
Nonstop2h 18m
Alaska Airlines
Deal found 6/3$376
Sat 4/407:00
ONT
-
PDX
Nonstop2h 28m
Alaska Airlines
Mon 6/417:58
PDX
-
ONT
Nonstop2h 25m
Alaska Airlines
Deal found 6/3$383
Fri 3/417:49
ONT
-
PDX
Nonstop2h 27m
Alaska Airlines
Thu 9/417:58
PDX
-
ONT
Nonstop2h 25m
Alaska Airlines
Deal found 7/3$391
Fri 17/417:49
ONT
-
PDX
Nonstop2h 27m
Alaska Airlines
Sun 19/408:00
PDX
-
ONT
Nonstop2h 19m
Alaska Airlines
Deal found 9/3$393

Find direct flights from Ontario within your budget

 
Use the slider to find direct flights from Ontario within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 134,765 searches. This data was last updated on 11 March 2026.

Fly to

Route

Departure

Return

Price

Cheapest return flight

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Wed 22/4

07:00-09:24

Nonstop2h 24m

Portland

Tue 28/4

21:30-23:48

Nonstop2h 18m

$265

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 30/4

07:00-09:24

Nonstop2h 24m

Portland

Mon 4/5

21:30-23:48

Nonstop2h 18m

$298

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Fri 8/5

07:00-09:24

Nonstop2h 24m

Portland

Sun 10/5

07:50-10:08

Nonstop2h 18m

$332
Fastest return journey

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/7

10:54-13:11

Nonstop2h 17m

Portland

Wed 15/7

07:36-09:59

Nonstop2h 23m

$433

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/7

07:00-09:17

Nonstop2h 17m

Portland

Fri 17/7

07:36-09:59

Nonstop2h 23m

$433

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sun 5/7

07:00-09:17

Nonstop2h 17m

Portland

Tue 14/7

07:36-09:59

Nonstop2h 23m

$433

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/7

10:54-13:11

Nonstop2h 17m

Portland

Tue 14/7

07:36-09:59

Nonstop2h 23m

$433

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/7

07:00-09:17

Nonstop2h 17m

Portland

Sat 18/7

07:36-09:59

Nonstop2h 23m

$433

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 27/8

18:10-20:27

Nonstop2h 17m

Portland

Sun 30/8

07:01-09:25

Nonstop2h 24m

$467

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/7

07:00-09:17

Nonstop2h 17m

Portland

Mon 13/7

07:36-09:59

Nonstop2h 23m

$467

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 11 March 2026.

  • Where can you fly direct from Ontario?

    Currently, the most popular direct flight destination from Ontario is Phoenix Sky Harbor Intl Airport.

  • What is the best time of year to fly direct from Ontario?

    If you're seeking the lowest price on a direct flight from Ontario, September is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, December offers travelers the most options.

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