Alaska Airlines Seattle to Portland Flights

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Cheapflightsplus.com will find cheap Alaska Airlines flights from Seattle to Portland. Compare airline ticket prices and book air tickets starting from $231 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Alaska Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Portland (ME) by Alaska Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in june: one-way - $231, two-way – $396.

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Cheap Flights from Seattle to Portland by Alaska Airlines

Look at the list of plane tickets for the most connecting flights by Alaska Airlines, their prices start from $231. There’re no direct flights. The fastest connecting flight – 7h 40m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $231 Find flight	9:39 am Seattle Seattle-Tacoma Intl	8:20 pm Portland Portland Intl Jetport	7h 41m layover 0h 42m - Philadelphia	Alaska Airlines	AS442 AS6570
from $326 Find flight	7:00 am Seattle Seattle-Tacoma Intl	6:37 pm Portland Portland Intl Jetport	8h 37m layover 1h 41m - Newark	Alaska Airlines	AS298 UA3599
from $346 Find flight	10:00 am Seattle Seattle-Tacoma Intl	11:01 pm Portland Portland Intl Jetport	10h 1m layover 3h 1m - Newark	Alaska Airlines	AS477 UA3647
from $346 Find flight	9:35 pm Seattle Seattle-Tacoma Intl	9:24 am+1 день Portland Portland Intl Jetport	8h 49m layover 2h 0m - Newark	Alaska Airlines	AS314 UA3597
from $351 Find flight	9:35 pm Seattle Seattle-Tacoma Intl	1:41 pm+1 день Portland Portland Intl Jetport	13h 6m layover 6h 18m - Newark	Alaska Airlines	AS314 UA3685
from $351 Find flight	8:19 am Seattle Seattle-Tacoma Intl	11:01 pm Portland Portland Intl Jetport	11h 42m layover 4h 42m - Newark	Alaska Airlines	AS295 UA3647
from $351 Find flight	9:40 pm Seattle Seattle-Tacoma Intl	6:13 pm+1 день Portland Portland Intl Jetport	17h 33m layover 10h 50m - Newark	Alaska Airlines	AS314 UA255
from $375 Find flight	11:30 pm Seattle Seattle-Tacoma Intl	11:59 pm+1 день Portland Portland Intl Jetport	21h 29m layover 14h 47m - Washington D.C.	Alaska Airlines	AS367 UA3674
from $382 Find flight	11:40 pm Seattle Seattle-Tacoma Intl	2:24 pm+1 день Portland Portland Intl Jetport	11h 44m layover 5h 18m - Chicago	Alaska Airlines	AS328 UA763
from $387 Find flight	9:40 pm Seattle Seattle-Tacoma Intl	11:14 pm+1 день Portland Portland Intl Jetport	22h 34m layover 15h 46m - Newark	Alaska Airlines	AS314 UA2127
from $416 Find flight	9:40 pm Seattle Seattle-Tacoma Intl	9:24 am+1 день Portland Portland Intl Jetport	8h 44m layover 2h 6m - Newark	Alaska Airlines	AS314 UA3514
from $460 Find flight	10:10 am Seattle Seattle-Tacoma Intl	11:14 pm Portland Portland Intl Jetport	10h 4m layover 3h 16m - Newark	Alaska Airlines	AS477 UA2127
from $463 Find flight	11:40 pm Seattle Seattle-Tacoma Intl	5:37 pm+1 день Portland Portland Intl Jetport	14h 57m layover 8h 15m - Chicago	Alaska Airlines	AS328 UA5849
from $486 Find flight	9:15 am Seattle Seattle-Tacoma Intl	11:59 pm Portland Portland Intl Jetport	11h 44m layover 5h 1m - Washington D.C.	Alaska Airlines	AS406 UA3674
from $607 Find flight	9:35 pm Seattle Seattle-Tacoma Intl	4:52 pm+1 день Portland Portland Intl Jetport	16h 17m layover 9h 26m - Newark	Alaska Airlines	AS314 UA3651
from $470 Find flight	7:05 am Seattle Seattle-Tacoma Intl	11:14 pm Portland Portland Intl Jetport	13h 9m layover 2h 24m - San Francisco 1h 15m - Newark	Alaska Airlines	AS1082 UA2863 UA2127

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 06/18/2025

Alaska Airlines Flight Schedule Seattle to Portland

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
10:00 am — 11:01 pm	10:00 am — 6:29 pm AS477 Alaska Airlines Seattle — Newark 3h 1m stop 9:30 pm — 11:01 pm UA3647 United Airlines Newark — Portland	10h 1m including layover	Find flight from$346
10:10 am — 11:14 pm	10:10 am — 6:29 pm AS477 Alaska Airlines Seattle — Newark 3h 16m stop 9:45 pm — 11:14 pm UA2127 United Airlines Newark — Portland	10h 4m including layover	Find flight from$460
11:30 pm — 11:59 pm +1 day	11:30 pm — 7:27 am AS367 Alaska Airlines Seattle — Washington D.C. 14h 47m stop 10:14 pm — 11:59 pm UA3674 United Airlines Washington D.C. — Portland	21h 29m including layover	Find flight from$375
11:40 pm — 2:24 pm +1 day	11:40 pm — 5:40 am AS328 Alaska Airlines Seattle — Chicago 5h 18m stop 11:05 am — 2:31 pm UA763 United Airlines Chicago — Portland	11h 44m including layover	Find flight from$382
6:41 am — 6:13 pm	6:41 am — 3:00 pm AS298 Alaska Airlines Seattle — Newark 1h 49m stop 4:49 pm — 6:13 pm UA255 United Airlines Newark — Portland	8h 32m including layover	Find flight from$379
6:41 am — 11:14 pm	6:41 am — 3:00 pm AS298 Alaska Airlines Seattle — Newark 6h 45m stop 9:45 pm — 11:14 pm UA2127 United Airlines Newark — Portland	13h 33m including layover	Find flight from$384
7:00 am — 6:37 pm	6:41 am — 3:00 pm AS298 Alaska Airlines Seattle — Newark 1h 41m stop 5:10 pm — 6:37 pm UA3599 United Airlines Newark — Portland	8h 37m including layover	Find flight from$326
7:00 am — 11:01 pm	6:41 am — 3:00 pm AS298 Alaska Airlines Seattle — Newark 6h 1m stop 9:30 pm — 11:01 pm UA3647 United Airlines Newark — Portland	13h 1m including layover	Find flight from$330
8:19 am — 11:01 pm	8:19 am — 4:48 pm AS295 Alaska Airlines Seattle — Newark 4h 42m stop 9:30 pm — 11:01 pm UA3647 United Airlines Newark — Portland	11h 42m including layover	Find flight from$351
9:35 pm — 9:24 am +1 day	9:35 pm — 5:59 am AS314 Alaska Airlines Seattle — Newark 2h stop 7:59 am — 9:24 am UA3597 United Airlines Newark — Portland	8h 49m including layover	Find flight from$346
9:39 am — 8:20 pm	9:40 am — 5:54 pm AS442 Alaska Airlines Seattle — Philadelphia 42m stop 7:15 pm — 8:55 pm AS6570 Alaska Airlines Philadelphia — Portland	7h 41m including layover	Find flight from$231
8:10 am — 11:59 pm	8:10 am — 10:29 am AS1166 Alaska Airlines Seattle — San Francisco 41m stop 11:10 am — 7:19 pm AS434 Alaska Airlines San Francisco — Washington D.C. 2h 55m stop 10:14 pm — 11:59 pm UA3674 United Airlines Washington D.C. — Portland	12h 49m including layover	Find flight from$906

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 06/18/2025

Flight Information

There are 26 flights by Alaska Airlines from Seattle to Portland every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Portland Intl Jetport.

Departures start from 10:00 am to 9:42 am. Nonstop flight is 7h 40m. The time difference between Seattle and Portland is 3h.

The fastest flight 7h 40m
Average flight time 11h 44m
The earliest flight 10:00 am
The latest flight 9:42 am
Distance 2483 ml

The cheapest months for traveling to Portland are september (from 308 $), june (from 420 $), october (from 461 $).

The most expensive and popular months are may (from 665 $), august (from 498 $), july (from 469 $).

The cheapest flight by Alaska Airlines that our users were able to find is $231. This airfare is economy class on one-way AS442 flight for September 27, 2025 leaving Seattle-Tacoma Intl in Seattle at 9:39 am, it includes all taxes and additional fees.

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Alaska Airlines Airplanes on the Route

List of the most popular Alaska Airlines airplanes flying from Seattle to Portland:

Other Popular Airlines on the Route

Besides Alaska Airlines there are other 4 airline carriers between Seattle and Portland. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Portland.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

List of flights with layovers (1 and more stops):

SY - Sun Country Airlines

from $132

Find
HA - Hawaiian Airlines

from $404

Find
UA - United Airlines

from $183

Find
NK - Spirit Airlines

from $194

Find

See more connecting flights

How to book an air ticket yourself?

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