United Airlines Portland to Seattle Flights

Return flight: Seattle – Portland

Cheapflightsplus.com will find cheap United Airlines flights from Portland to Seattle. Compare airline ticket prices and book air tickets starting from $230 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Portland (ME) — Seattle (WA) by United 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 december: one-way - $230, two-way – $394.
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Below is a detailed 2024 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 Arrival Flight Details Flight Time Price
11:35 am — 10:00 pm
11:35 am — 1:29 pm UA3459 United Airlines
Portland — Newark
5h 11m stop
6:40 pm — 10:00 pm UA2044 United Airlines
Newark — Seattle
13h 25m
including layover
Find flight
from$308
11:35 am — 11:16 am
+1 day
11:35 am — 1:29 pm UA3459 United Airlines
Portland — Newark
18h 30m stop
7:59 am — 11:16 am UA1330 United Airlines
Newark — Seattle
26h 41m
including layover
Find flight
from$315
1:43 pm — 8:20 pm
1:43 pm — 3:45 pm UA4291 United Airlines
Portland — Washington D.C.
1h 30m stop
5:15 pm — 8:20 pm UA326 United Airlines
Washington D.C. — Seattle
9h 37m
including layover
Find flight
from$406
1:55 pm — 8:20 pm
1:55 pm — 3:54 pm UA6052 United Airlines
Portland — Washington D.C.
1h 21m stop
5:15 pm — 8:20 pm UA326 United Airlines
Washington D.C. — Seattle
9h 25m
including layover
Find flight
from$333
4:10 pm — 10:53 pm
4:10 pm — 6:24 pm UA5517 United Airlines
Portland — Chicago
1h 40m stop
8:04 pm — 10:53 pm UA2211 United Airlines
Chicago — Seattle
9h 43m
including layover
Find flight
from$230
4:10 pm — 4:16 pm
+1 day
4:10 pm — 6:24 pm UA5517 United Airlines
Portland — Chicago
19h 6m stop
1:30 pm — 4:16 pm UA1485 United Airlines
Chicago — Seattle
27h 6m
including layover
Find flight
from$365
5:14 pm — 11:24 am
+1 day
5:14 pm — 7:00 pm UA3620 United Airlines
Portland — Newark
12h 59m stop
7:59 am — 11:24 am UA1330 United Airlines
Newark — Seattle
21h 10m
including layover
Find flight
from$348
7:27 pm — 8:20 pm
+1 day
7:27 pm — 9:25 pm UA3582 United Airlines
Portland — Washington D.C.
19h 50m stop
5:15 pm — 8:20 pm UA326 United Airlines
Washington D.C. — Seattle
27h 53m
including layover
Find flight
from$441
9:30 am — 3:57 pm
9:30 am — 11:29 am UA3635 United Airlines
Portland — Chicago
1h 41m stop
1:10 pm — 3:58 pm UA1485 United Airlines
Chicago — Seattle
9h 27m
including layover
Find flight
from$535
5:14 pm — 9:58 am
+1 day
5:14 pm — 7:00 pm UA3620 United Airlines
Portland — Newark
2h 20m stop
9:20 pm — 11:46 pm UA1792 United Airlines
Newark — Denver
8h 4m stop
7:50 am — 9:58 am UA1399 United Airlines
Denver — Seattle
19h 44m
including layover
Find flight
from$277
6:00 am — 3:57 pm
6:00 am — 7:34 am UA2455 United Airlines
Portland — Newark
1h 26m stop
9:00 am — 10:53 am UA2290 United Airlines
Newark — Chicago
2h 17m stop
1:10 pm — 3:57 pm UA1485 United Airlines
Chicago — Seattle
12h 57m
including layover
Find flight
from$285
6:00 am — 3:57 pm
6:00 am — 7:34 am UA2455 United Airlines
Portland — Newark
2h 56m stop
10:30 am — 12:04 pm UA1525 United Airlines
Newark — Chicago
1h 6m stop
1:10 pm — 3:57 pm UA1485 United Airlines
Chicago — Seattle
12h 57m
including layover
Find flight
from$285
7:27 pm — 9:58 am
+1 day
7:27 pm — 9:25 pm UA3582 United Airlines
Portland — Washington D.C.
46m stop
10:11 pm — 0:15 am UA507 United Airlines
Washington D.C. — Denver
7h 35m stop
7:50 am — 9:58 am UA1399 United Airlines
Denver — Seattle
17h 31m
including layover
Find flight
from$277
9:30 am — 9:09 pm
9:30 am — 11:29 am UA3635 United Airlines
Portland — Chicago
2h 56m stop
2:25 pm — 5:18 pm UA1165 United Airlines
Chicago — San Francisco
1h 34m stop
6:52 pm — 9:09 pm UA2019 United Airlines
San Francisco — Seattle
14h 39m
including layover
Find flight
from$540
*Departure and arrival times are local. Last updated on 11/22/2024

Flight Information

There are 50 flights by United Airlines from Portland to Seattle every week with departures from Portland Intl Jetport. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 11:24 am to 9:30 am. Nonstop flight is 9h 25m. The time difference between Portland and Seattle is 3h.

  • The fastest flight 9h 25m
  • Average flight time 14h 39m
  • The earliest flight 11:24 am
  • The latest flight 9:30 am
  • Distance 2483 ml

The cheapest months for traveling to Seattle are january (from 230 $), december (from 277 $), november (from 346 $).

The cheapest flight by United Airlines that our users were able to find is $230. This airfare is economy class on one-way UA5517 flight for January 22, 2025 leaving Portland Intl Jetport in Portland at 4:10 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 1 airline carriers between Portland and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Portland to Seattle.

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):

  • AS - Alaska Airlines
    from $234
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How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
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  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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