Cheap Flights from Seattle, WA to Portland, ME from $177

Return flight: Portland – Seattle

On Cheapflightsplus.com you will find 126 connecting flights from Seattle to Portland. You can compare airfare deals from 5 airlines and multiple travel sites from $177, book and save on cheap plane tickets and last minute offers. Also check out SEA-PWM flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Portland Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $177 (one-way), $304 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Portland. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
00:20 — 14:24
00:20 — 06:28 UA1832 United Airlines
Seattle — Chicago
4h 30m stop
10:58 — 14:24 UA763 United Airlines
Chicago — Portland
11h 4m
including layover
Find flight
from$387
00:20 — 22:01
00:20 — 06:28 UA1832 United Airlines
Seattle — Chicago
12h 2m stop
18:30 — 22:01 UA1974 United Airlines
Chicago — Portland
18h 41m
including layover
Find flight
from$387
06:00 — 16:52
06:00 — 14:23 UA2402 United Airlines
Seattle — Newark
1h 2m stop
15:25 — 16:52 UA3651 United Airlines
Newark — Portland
7h 52m
including layover
Find flight
from$244
06:00 — 23:01
06:00 — 14:23 UA2402 United Airlines
Seattle — Newark
7h 7m stop
21:30 — 23:01 UA3647 United Airlines
Newark — Portland
14h 1m
including layover
Find flight
from$305
07:00 — 17:42
07:00 — 13:15 UA2618 United Airlines
Seattle — Chicago
40m stop
13:55 — 17:42 UA5849 United Airlines
Chicago — Portland
7h 42m
including layover
Find flight
from$244
07:00 — 21:44
07:00 — 13:15 UA2618 United Airlines
Seattle — Chicago
4h 55m stop
18:10 — 21:44 UA1974 United Airlines
Chicago — Portland
11h 44m
including layover
Find flight
from$291
08:00 — 19:29
08:00 — 16:10 UA2217 United Airlines
Seattle — Washington D.C.
1h 24m stop
17:34 — 19:29 UA3517 United Airlines
Washington D.C. — Portland
8h 29m
including layover
Find flight
from$244
08:12 — 11:35
+1 day
08:12 — 13:30 SY1638 Sun Country Airlines
Seattle — Minneapolis
18h 24m stop
07:54 — 11:35 SY1821 Sun Country Airlines
Minneapolis — Portland
24h 23m
including layover
Find flight
from$345
09:39 — 20:20
09:40 — 17:54 AS442 Alaska Airlines
Seattle — Philadelphia
42m stop
19:15 — 20:55 AS6570 Alaska Airlines
Philadelphia — Portland
7h 41m
including layover
Find flight
from$308
09:42 — 20:30
09:42 — 17:47 AS442 Alaska Airlines
Seattle — Philadelphia
1h 3m stop
19:20 — 21:03 AS4192 Alaska Airlines
Philadelphia — Portland
7h 48m
including layover
Find flight
from$488
10:55 — 21:44
10:55 — 17:10 UA2671 United Airlines
Seattle — Chicago
1h stop
18:10 — 21:44 UA1974 United Airlines
Chicago — Portland
7h 49m
including layover
Find flight
from$244
10:55 — 21:59
10:55 — 17:10 UA2652 United Airlines
Seattle — Chicago
1h 15m stop
18:25 — 21:59 UA1974 United Airlines
Chicago — Portland
8h 4m
including layover
Find flight
from$438
11:55 — 23:01
11:55 — 20:25 UA2467 United Airlines
Seattle — Newark
1h 5m stop
21:30 — 23:01 UA3647 United Airlines
Newark — Portland
8h 6m
including layover
Find flight
from$244
11:55 — 23:01
11:55 — 20:25 UA2467 United Airlines
Seattle — Newark
1h 5m stop
21:30 — 23:01 UA3475 United Airlines
Newark — Portland
8h 6m
including layover
Find flight
from$296
12:53 — 11:57
+1 day
12:53 — 18:10 SY1986 Sun Country Airlines
Seattle — Minneapolis
14h 8m stop
08:18 — 11:57 SY1821 Sun Country Airlines
Minneapolis — Portland
20h 4m
including layover
Find flight
from$264
13:09 — 23:54
13:09 — 21:15 UA2131 United Airlines
Seattle — Washington D.C.
50m stop
22:05 — 23:54 UA3611 United Airlines
Washington D.C. — Portland
7h 45m
including layover
Find flight
from$244
13:50 — 14:52
+1 day
13:50 — 19:11 SY284 Sun Country Airlines
Seattle — Minneapolis
16h 1m stop
11:12 — 14:52 SY1819 Sun Country Airlines
Minneapolis — Portland
22h 2m
including layover
Find flight
from$190
19:00 — 15:48
+1 day
19:00 — 22:51 UA1218 United Airlines
Seattle — Denver
11h 13m stop
09:54 — 15:49 UA2032 United Airlines
Denver — Portland
17h 48m
including layover
Find flight
from$436
19:02 — 11:57
+1 day
18:18 — 23:35 SY286 Sun Country Airlines
Seattle — Minneapolis
7h 56m stop
07:42 — 11:23 SY1821 Sun Country Airlines
Minneapolis — Portland
13h 55m
including layover
Find flight
from$177
21:35 — 09:24
+1 day
21:35 — 05:59 AS314 Alaska Airlines
Seattle — Newark
2h stop
07:59 — 09:24 UA3597 United Airlines
Newark — Portland
8h 49m
including layover
Find flight
from$462
21:35 — 13:41
+1 day
21:35 — 05:59 AS314 Alaska Airlines
Seattle — Newark
6h 18m stop
12:17 — 13:41 UA3685 United Airlines
Newark — Portland
13h 6m
including layover
Find flight
from$468
22:05 — 10:10
+1 day
22:15 — 06:12 UA2402 United Airlines
Seattle — Washington D.C.
2h 21m stop
08:46 — 10:33 UA3491 United Airlines
Washington D.C. — Portland
9h 5m
including layover
Find flight
from$277
22:50 — 09:24
+1 day
22:50 — 07:06 UA341 United Airlines
Seattle — Newark
53m stop
07:59 — 09:24 UA3597 United Airlines
Newark — Portland
7h 34m
including layover
Find flight
from$244
23:10 — 10:57
+1 day
23:10 — 07:26 UA341 United Airlines
Seattle — Newark
1h 59m stop
09:25 — 10:57 UA3684 United Airlines
Newark — Portland
8h 47m
including layover
Find flight
from$247
23:20 — 10:10
+1 day
23:23 — 07:20 UA2019 United Airlines
Seattle — Washington D.C.
1h 6m stop
08:46 — 10:33 UA3491 United Airlines
Washington D.C. — Portland
7h 50m
including layover
Find flight
from$277
*Departure and arrival times - local. Updated on July 12, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Portland depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Portland is 3995 miles. Time difference between the cities is 3h. Airplanes depart 00:20 to 23:59 from 3 Seattle airports and arrive 00:20 to 23:59 to 1 Portland airport. Average flight time is 13h 36m.

  • The fastest flight 7h 34m
  • Average flight time 13h 36m
  • The earliest flight 00:20
  • The latest flight 23:59
  • Distance 2483 ml

The cheapest months to travel to Portland are july (from 177 $), august (from 177 $), september (from 190 $).

The most expensive months are june (from 288 $), may (from 248 $), october (from 244 $).

What is the lowest airfare Seattle to Portland?

The cheapest plane ticket found by our users is $177. This airfare is for economy class on one-way SY286 flight by Sun Country Airlines for August 28, 2025 which leaves Seattle-Tacoma Intl in Seattle at 19:02 am and arrives at Portland Portland Intl Jetport at 11:57.

Economy class
$177
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Business class
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First class
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Popular Airlines on the Route

The flight Seattle — Portland is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 19 departures per week at the price of from $ 308 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1208.

Direct flights

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

Connecting Flights

There are 126 flights with layovers on the route. The fastest connecting flight is UA341 by United Airlines takes 7h 34m and the cheapest is SY286 by Sun Country Airlines for $177.

  • from $308
    Find
  • SY - Sun Country Airlines
    from $177
    Find
  • HA - Hawaiian Airlines
    from $538
    Find
  • UA - United Airlines
    from $244
    Find
  • NK - Spirit Airlines
    from $317
    Find
See more connecting flights

Airports

You can fly from Seattle to Portland from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $177
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Portland airports

  • Portland Intl Jetport-PWM
    Find

How to book a plane 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.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • 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.

    To find a plane ticket, please select dates.

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