Cheap Flights from Seattle, WA to Portland, ME from $129

Return flight: Portland – Seattle

On Cheapflightsplus.com you will find 274 connecting flights from Seattle to Portland. You can compare airfare deals from 5 airlines and multiple travel sites from $129, 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: $129 (one-way), $221 (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$284
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$284
05:15 — 15:41
05:15 — 08:58 UA2269 United Airlines
Seattle — Denver
47m stop
09:45 — 15:41 UA2032 United Airlines
Denver — Portland
7h 26m
including layover
Find flight
from$254
06:38 — 18:13
06:38 — 15:00 UA1329 United Airlines
Seattle — Newark
1h 49m stop
16:49 — 18:13 UA255 United Airlines
Newark — Portland
8h 35m
including layover
Find flight
from$234
06:40 — 18:26
06:40 — 15:03 UA2402 United Airlines
Seattle — Newark
1h 56m stop
16:59 — 18:26 UA3599 United Airlines
Newark — Portland
8h 46m
including layover
Find flight
from$257
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$181
07:00 — 21:56
07:00 — 13:14 UA1617 United Airlines
Seattle — Chicago
5h 11m stop
18:25 — 21:56 UA1974 United Airlines
Chicago — Portland
11h 56m
including layover
Find flight
from$207
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$181
08:00 — 19:17
08:00 — 16:11 UA2398 United Airlines
Seattle — Washington D.C.
1h 9m stop
17:20 — 19:17 UA3638 United Airlines
Washington D.C. — Portland
8h 17m
including layover
Find flight
from$183
09:06 — 11:11
+1 day
09:15 — 14:30 SY282 Sun Country Airlines
Seattle — Minneapolis
17h 6m stop
07:42 — 11:23 SY1821 Sun Country Airlines
Minneapolis — Portland
23h 5m
including layover
Find flight
from$267
09:40 — 22:45
09:40 — 17:54 AS442 Alaska Airlines
Seattle — Philadelphia
3h 21m stop
21:15 — 22:45 AS6736 Alaska Airlines
Philadelphia — Portland
10h 5m
including layover
Find flight
from$263
10:55 — 21:56
10:53 — 17:02 UA312 United Airlines
Seattle — Chicago
1h 21m stop
18:25 — 21:56 UA1974 United Airlines
Chicago — Portland
8h 1m
including layover
Find flight
from$222
10:56 — 22:01
23:50 — 05:53 UA747 United Airlines
Seattle — Chicago
1h 25m stop
18:25 — 21:56 UA1974 United Airlines
Chicago — Portland
8h 5m
including layover
Find flight
from$240
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$216
11:58 — 23:14
11:58 — 20:28 UA2367 United Airlines
Seattle — Newark
1h 17m stop
21:45 — 23:14 UA1232 United Airlines
Newark — Portland
8h 16m
including layover
Find flight
from$264
12:05 — 09:24
+1 day
12:05 — 20:35 UA1894 United Airlines
Seattle — Newark
11h 30m stop
08:05 — 09:24 UA3514 United Airlines
Newark — Portland
18h 19m
including layover
Find flight
from$220
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$194
13:00 — 23:59
12:55 — 21:02 UA2275 United Airlines
Seattle — Washington D.C.
1h 17m stop
22:12 — 23:57 UA3674 United Airlines
Washington D.C. — Portland
7h 59m
including layover
Find flight
from$181
13:49 — 10:49
+1 day
13:49 — 20:05 UA2665 United Airlines
Seattle — Chicago
11h 5m stop
07:10 — 10:49 UA5623 United Airlines
Chicago — Portland
18h
including layover
Find flight
from$240
14:05 — 23:59
+1 day
14:05 — 22:30 UA1114 United Airlines
Seattle — Newark
24h stop
22:30 — 23:59 UA3525 United Airlines
Newark — Portland
30h 54m
including layover
Find flight
from$220
14:35 — 09:24
+1 day
14:35 — 22:59 UA2606 United Airlines
Seattle — Newark
9h 6m stop
08:05 — 09:24 UA3514 United Airlines
Newark — Portland
15h 49m
including layover
Find flight
from$213
17:23 — 17:37
+1 day
17:23 — 23:30 UA1951 United Airlines
Seattle — Chicago
14h 25m stop
13:55 — 17:37 UA5849 United Airlines
Chicago — Portland
21h 14m
including layover
Find flight
from$250
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$129
21:25 — 10:41
+1 day
21:25 — 05:40 AS444 Alaska Airlines
Seattle — Philadelphia
3h 30m stop
09:10 — 10:41 AS6155 Alaska Airlines
Philadelphia — Portland
10h 16m
including layover
Find flight
from$236
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$203
22:15 — 10:29
+1 day
22:15 — 06:12 UA2402 United Airlines
Seattle — Washington D.C.
2h 28m stop
08:40 — 10:29 UA4370 United Airlines
Washington D.C. — Portland
9h 14m
including layover
Find flight
from$181
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$181
23:59 — 11:11
+1 day
23:59 — 05:13 SY290 Sun Country Airlines
Seattle — Minneapolis
2h 14m stop
07:42 — 11:23 SY1821 Sun Country Airlines
Minneapolis — Portland
8h 12m
including layover
Find flight
from$144
*Departure and arrival times - local. Updated on May 22, 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 16h 23m.

  • The fastest flight 7h 26m
  • Average flight time 16h 23m
  • The earliest flight 00:20
  • The latest flight 23:59
  • Distance 2483 ml

The cheapest months to travel to Portland are july (from 173 $), august (from 173 $), june (from 193 $).

The most expensive months are may (from 242 $), june (from 193 $), august (from 173 $).

What is the lowest airfare Seattle to Portland?

The cheapest plane ticket found by our users is $129. This airfare is for economy class on one-way SY286 flight by Sun Country Airlines for July 4, 2025 which leaves Seattle-Tacoma Intl in Seattle at 19:02 am and arrives at Portland Portland Intl Jetport at 11:57.

Economy class
$129
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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 - 36 departures per week at the price of from $ 236 . And the most expensive tickets are offered by United Airlines airline - from $ 1037.

Direct flights

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

Connecting Flights

There are 274 flights with layovers on the route. The fastest connecting flight is UA2269 by United Airlines takes 7h 26m and the cheapest is SY286 by Sun Country Airlines for $129.

  • from $236
    Find
  • SY - Sun Country Airlines
    from $129
    Find
  • HA - Hawaiian Airlines
    from $415
    Find
  • UA - United Airlines
    from $181
    Find
  • NK - Spirit Airlines
    from $189
    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 $129
    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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