Ontario to Portland (ONT-PDX): nonstop upgrade & award space

Alaska Airlines and Frontier Airlines fly nonstop between Ontario (ONT) and Portland (PDX), roughly 25 times a week. With Alaska Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Alaska Airlines, on every ONT to PDX departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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25
Nonstop flights a week
839 mi
Nonstop distance
Free
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Ontario to Portland flight schedule

Scheduled nonstop departures for ONT to PDX, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Ontario (ONT) to Portland (PDX)
Date Flight Airline Departs ONT Arrives PDX Duration Aircraft
AS 544Alaska Airlines, Inc.07:1209:302h 18m73H
AS 730Alaska Airlines, Inc.10:4713:042h 17m7M9
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H
AS 544Alaska Airlines, Inc.07:1209:302h 18m73J
AS 730Alaska Airlines, Inc.10:4713:042h 17m73J
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H
AS 1705Alaska Airlines, Inc.18:1420:312h 17m73J
AS 544Alaska Airlines, Inc.07:1209:302h 18m7M9
AS 730Alaska Airlines, Inc.10:4713:042h 17m7M8
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H
AS 1705Alaska Airlines, Inc.18:1420:312h 17m73H
AS 544Alaska Airlines, Inc.07:1209:302h 18m7M9
AS 730Alaska Airlines, Inc.10:4713:042h 17m7M9
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H
AS 544Alaska Airlines, Inc.07:1209:302h 18m73J
AS 730Alaska Airlines, Inc.10:4713:042h 17m7M9
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H
AS 1705Alaska Airlines, Inc.18:1420:312h 17m7M9
AS 544Alaska Airlines, Inc.07:1209:302h 18m73H
AS 730Alaska Airlines, Inc.10:4713:042h 17m7M9
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H
AS 1705Alaska Airlines, Inc.18:1420:312h 17m73J
AS 544Alaska Airlines, Inc.07:1209:302h 18m7M9
AS 730Alaska Airlines, Inc.10:4713:042h 17m7M9
AS 1699Alaska Airlines, Inc.10:5413:092h 15m73H

Showing all 25 scheduled ONT to PDX departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ONT to PDX date on the interactive map

Confirmed upgrade & award space on ONT to PDX departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Ontario to Portland to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ONT to PDX departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ONT to PDX on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Ontario to Portland nonstop

Carriers operating ONT to PDX nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ONT to PDX on the interactive map →

Frequently asked questions about ONT to PDX

How far is Portland from Ontario?
ONT to PDX covers about 839 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ONT to PDX?
Alaska Airlines and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from ONT to PDX?
About 25 nonstop flights a week run between Ontario and Portland in the current schedule, operated by Alaska Airlines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ONT to PDX depart?
Scheduled ONT to PDX nonstops in the next 7 days with service leave between 07:12 and 18:14, local time at Ontario. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ONT to PDX?
Open the ONT to PDX route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ONT to PDX upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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