Portland to Seattle (PDX-SEA): nonstop upgrade & award space

Alaska Airlines and Delta Air Lines fly nonstop between Portland (PDX) and Seattle (SEA), roughly 201 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 and Delta Air Lines, on every PDX to SEA 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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201
Nonstop flights a week
129 mi
Nonstop distance
Free
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Portland to Seattle flight schedule

Scheduled nonstop departures for PDX to SEA, 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 Portland (PDX) to Seattle (SEA)
Date Flight Airline Departs PDX Arrives SEA Duration Aircraft
AS 2258Alaska Airlines, Inc.05:0706:0053 minutesE75
DL 4008Delta Air Lines05:3006:441h 14mE7W
AS 499Alaska Airlines, Inc.06:2007:201h7M9
DL 3957Delta Air Lines07:0008:141h 14mE7W
AS 1860Alaska Airlines, Inc.07:0908:241h 15m73H
AS 2420Alaska Airlines, Inc.07:1908:201h 1mE75
AS 2190Alaska Airlines, Inc.08:1409:1056 minutesE75
AS 427Alaska Airlines, Inc.09:1910:211h 2m73H
AS 2257Alaska Airlines, Inc.09:2010:1757 minutesE75
DL 3953Delta Air Lines09:5111:031h 12mE7W
AS 3201Alaska Airlines, Inc.10:3011:451h 15mE75
AS 3431Alaska Airlines, Inc.10:3511:431h 8mE75
DL 3818Delta Air Lines11:2012:371h 17mE7W
AS 1536Alaska Airlines, Inc.11:4812:501h 2m73H
AS 3078Alaska Airlines, Inc.12:0313:031hE75
DL 3802Delta Air Lines12:3413:451h 11mE7W
AS 2205Alaska Airlines, Inc.13:4814:4355 minutesE75
AS 2243Alaska Airlines, Inc.13:5914:5556 minutesE75
AS 1701Alaska Airlines, Inc.15:0015:5959 minutes7M9
AS 2055Alaska Airlines, Inc.15:0015:5555 minutesE75
DL 4062Delta Air Lines15:2116:351h 14mE7W
AS 3408Alaska Airlines, Inc.15:3016:301hE75
AS 743Alaska Airlines, Inc.17:4118:511h 10m7M8
DL 3918Delta Air Lines17:5019:051h 15mE7W
AS 2092Alaska Airlines, Inc.19:4020:3555 minutesE75
AS 2421Alaska Airlines, Inc.21:3022:2757 minutesE75
AS 452Alaska Airlines, Inc.21:3222:391h 7m7M9
AS 2258Alaska Airlines, Inc.05:0706:0053 minutesE75
DL 4008Delta Air Lines05:3006:441h 14mE7W
AS 499Alaska Airlines, Inc.06:2007:201h7M9
DL 3957Delta Air Lines07:0008:141h 14mE7W
AS 1860Alaska Airlines, Inc.07:0908:241h 15m73H
AS 2420Alaska Airlines, Inc.07:1908:201h 1mE75
AS 2190Alaska Airlines, Inc.08:1409:1056 minutesE75
AS 427Alaska Airlines, Inc.09:1910:211h 2m73H
AS 2257Alaska Airlines, Inc.09:2010:1757 minutesE75
DL 3953Delta Air Lines09:5111:031h 12mE7W
AS 3201Alaska Airlines, Inc.10:3011:451h 15mE75
AS 3431Alaska Airlines, Inc.10:3511:431h 8mE75
DL 3818Delta Air Lines11:2012:371h 17mE7W

Showing the first 40 of 195 scheduled PDX to SEA departures across the next 7 days with service. Every remaining date is 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 PDX to SEA date on the interactive map

Confirmed upgrade & award space on PDX to SEA departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for Portland to Seattle 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 PDX to SEA 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 PDX to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Portland to Seattle nonstop

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

See PDX to SEA on the interactive map →

Frequently asked questions about PDX to SEA

How far is Seattle from Portland?
PDX to SEA covers about 129 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 PDX to SEA?
Alaska Airlines and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines.
How many flights a week are there from PDX to SEA?
About 201 nonstop flights a week run between Portland and Seattle in the current schedule, operated by Alaska Airlines and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from PDX to SEA depart?
Scheduled PDX to SEA nonstops in the next 7 days with service leave between 05:07 and 21:32, local time at Portland. 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 PDX to SEA?
Open the PDX to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and Delta Air Lines, 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 PDX to SEA 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.

Get started free