Cheap Flights from Portland, ME to Seattle, WA from $255

One way Round trip

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On Cheapflightsplus.com you will find 386 connecting flights from Portland to Seattle. You can compare airfare deals from 5 airlines and multiple travel sites from $255, book and save on cheap plane tickets and last minute offers. Also check out PWM-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Portland to Seattle 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: $255 (one-way), $437 (round-trip).

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Best Flights from Portland to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Portland to Seattle with the lowest price of $255. Take a look at the list of flights with layovers from Portland to Seattle from $255. There’re no direct flights. The fastest connecting flight – 8h 26m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $255 Find flight	16:10 Portland Portland Intl Jetport	22:53 Seattle Seattle-Tacoma Intl	9h 43m layover 1h 40m - Chicago	United Airlines	UA5517 UA2211
from $258 Find flight	14:25 Portland Portland Intl Jetport	20:35 Seattle Seattle-Tacoma Intl	9h 10m layover 0h 59m - Washington D.C.	Alaska Airlines	AS6416 AS3
from $310 Find flight	15:56 Portland Portland Intl Jetport	22:00 Seattle Seattle-Tacoma Intl	9h 4m layover 1h 15m - Philadelphia	Alaska Airlines	AS4050 AS443
from $310 Find flight	16:13 Portland Portland Intl Jetport	22:37 Seattle Seattle-Tacoma Intl	9h 24m layover 1h 11m - Newark	United Airlines	UA3620 UA2044
from $310 Find flight	13:31 Portland Portland Intl Jetport	20:20 Seattle Seattle-Tacoma Intl	9h 49m layover 1h 45m - Washington D.C.	United Airlines	UA6062 UA326
from $311 Find flight	16:13 Portland Portland Intl Jetport	10:18+1 день Seattle Seattle-Tacoma Intl	21h 5m layover 13h 3m - Newark	United Airlines	UA3620 AS299
from $311 Find flight	06:00 Portland Portland Intl Jetport	10:18+1 день Seattle Seattle-Tacoma Intl	31h 18m layover 23h 28m - Newark	United Airlines	UA2455 AS299
from $331 Find flight	16:58 Portland Portland Intl Jetport	22:24 Seattle Seattle-Tacoma Intl	8h 26m layover 0h 46m - Detroit	Delta Air Lines Inc.	DL3632 DL565
from $337 Find flight	16:13 Portland Portland Intl Jetport	11:24+1 день Seattle Seattle-Tacoma Intl	22h 11m layover 14h 0m - Newark	United Airlines	UA3620 UA1558
from $341 Find flight	11:35 Portland Portland Intl Jetport	22:00 Seattle Seattle-Tacoma Intl	13h 25m layover 5h 11m - Newark	United Airlines	UA3459 UA2044
from $289 Find flight	06:00 Portland Portland Intl Jetport	20:00 Seattle Seattle-Tacoma Intl	17h 0m layover 3h 55m - Atlanta 3h 32m - Covington	Delta Air Lines Inc.	DL1017 DL3169 DL724
from $306 Find flight	19:27 Portland Portland Intl Jetport	09:58+1 день Seattle Seattle-Tacoma Intl	17h 31m layover 0h 46m - Washington D.C. 7h 35m - Denver	United Airlines	UA3582 UA507 UA1399
from $306 Find flight	17:14 Portland Portland Intl Jetport	09:58+1 день Seattle Seattle-Tacoma Intl	19h 44m layover 2h 20m - Newark 8h 4m - Denver	United Airlines	UA3620 UA1792 UA1399
from $316 Find flight	06:00 Portland Portland Intl Jetport	15:57 Seattle Seattle-Tacoma Intl	12h 57m layover 1h 26m - Newark 2h 17m - Chicago	United Airlines	UA2455 UA2290 UA1485
from $316 Find flight	06:00 Portland Portland Intl Jetport	15:57 Seattle Seattle-Tacoma Intl	12h 57m layover 2h 56m - Newark 1h 6m - Chicago	United Airlines	UA2455 UA1525 UA1485
from $322 Find flight	06:00 Portland Portland Intl Jetport	20:00 Seattle Seattle-Tacoma Intl	17h 0m layover 7h 5m - Newark 1h 5m - Covington	United Airlines	UA2455 DL5075 DL724

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 02, 2025

Flight Schedule Portland (Maine) to Seattle (Washington)

Full flight schedule will help you in detecting at what time planes fly from Portland to Seattle. 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	Flight Details	Flight Duration	Price
05:00 — 14:59	05:00 — 06:29 DL5610 Delta Air Lines Inc. Portland — New York 5h 16m stop 11:45 — 14:59 AS23 Alaska Airlines New York — Seattle	12h 59m including layover	Find flight from$450
05:30 — 11:35	05:30 — 07:18 UA1172 United Airlines Portland — Washington D.C. 1h 17m stop 08:35 — 11:35 UA1964 United Airlines Washington D.C. — Seattle	9h 5m including layover	Find flight from$363
06:00 — 10:18 +1 day	06:00 — 07:34 UA2455 United Airlines Portland — Newark 23h 28m stop 07:02 — 10:18 AS299 Alaska Airlines Newark — Seattle	31h 18m including layover	Find flight from$311
06:00 — 22:00	06:00 — 07:34 UA2455 United Airlines Portland — Newark 11h stop 19:10 — 22:37 UA2044 United Airlines Newark — Seattle	19h including layover	Find flight from$341
09:30 — 16:43	09:30 — 11:29 UA5570 United Airlines Portland — Chicago 2h 26m stop 13:55 — 16:43 UA337 United Airlines Chicago — Seattle	10h 13m including layover	Find flight from$508
11:35 — 22:00	11:35 — 13:29 UA3459 United Airlines Portland — Newark 5h 11m stop 18:40 — 22:00 UA2044 United Airlines Newark — Seattle	13h 25m including layover	Find flight from$341
11:35 — 11:16 +1 day	11:35 — 13:29 UA3459 United Airlines Portland — Newark 18h 30m stop 07:59 — 11:16 UA1330 United Airlines Newark — Seattle	26h 41m including layover	Find flight from$348
13:31 — 20:20	13:31 — 15:30 UA6062 United Airlines Portland — Washington D.C. 1h 45m stop 17:15 — 20:20 UA326 United Airlines Washington D.C. — Seattle	9h 49m including layover	Find flight from$310
13:55 — 20:20	13:55 — 15:54 UA6052 United Airlines Portland — Washington D.C. 1h 21m stop 17:15 — 20:20 UA326 United Airlines Washington D.C. — Seattle	9h 25m including layover	Find flight from$369
14:25 — 20:35	14:24 — 16:29 AS6416 Alaska Airlines Portland — Washington D.C. 59m stop 17:29 — 20:35 AS3 Alaska Airlines Washington D.C. — Seattle	9h 10m including layover	Find flight from$258
14:55 — 10:18 +1 day	14:55 — 16:25 DL5836 Delta Air Lines Inc. Portland — Newark 14h 37m stop 07:02 — 10:18 AS299 Alaska Airlines Newark — Seattle	22h 23m including layover	Find flight from$373
15:56 — 22:00	15:56 — 17:35 AS4050 Alaska Airlines Portland — Philadelphia 1h 15m stop 18:50 — 22:00 AS443 Alaska Airlines Philadelphia — Seattle	9h 4m including layover	Find flight from$310
16:10 — 22:53	16:10 — 18:24 UA5517 United Airlines Portland — Chicago 1h 40m stop 20:04 — 22:53 UA2211 United Airlines Chicago — Seattle	9h 43m including layover	Find flight from$255
16:13 — 22:37	16:13 — 17:59 UA3620 United Airlines Portland — Newark 1h 11m stop 19:10 — 22:37 UA2044 United Airlines Newark — Seattle	9h 24m including layover	Find flight from$310
17:14 — 11:24 +1 day	17:14 — 19:00 UA3620 United Airlines Portland — Newark 12h 59m stop 07:59 — 11:24 UA1330 United Airlines Newark — Seattle	21h 10m including layover	Find flight from$385
18:05 — 11:16 +1 day	18:05 — 19:57 UA4507 United Airlines Portland — Newark 12h 2m stop 07:59 — 11:16 UA1330 United Airlines Newark — Seattle	20h 11m including layover	Find flight from$348
18:05 — 22:00 +1 day	18:05 — 19:57 UA4507 United Airlines Portland — Newark 22h 43m stop 18:40 — 22:00 UA2044 United Airlines Newark — Seattle	30h 55m including layover	Find flight from$348
19:27 — 20:20 +1 day	19:27 — 21:25 UA3582 United Airlines Portland — Washington D.C. 19h 50m stop 17:15 — 20:20 UA326 United Airlines Washington D.C. — Seattle	27h 53m including layover	Find flight from$488

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

*Departure and arrival times - local. Updated on March 2, 2025

Flight Information

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

Distance between Portland and Seattle is 3995 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 19:27 from 1 Portland airport and arrive 05:00 to 19:27 to 3 Seattle airports. Average flight time is 15h 54m.

The fastest flight 8h 26m
Average flight time 15h 54m
The earliest flight 05:00
The latest flight 19:27
Distance 2483 ml

The cheapest months to travel to Seattle are january (from 255 $), february (from 258 $), november (from 289 $).

The most expensive months are december (from 306 $), november (from 289 $), february (from 258 $).

What is the lowest airfare Portland to Seattle?

The cheapest plane ticket found by our users is $255. This airfare is for economy class on one-way UA5517 flight by United Airlines for January 22, 2025 which leaves Portland Intl Jetport in Portland at 16:10 am and arrives at Seattle Seattle-Tacoma Intl at 22:53.

Economy class

$255

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Business class

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First class

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Popular Airlines on the Route

The flight Portland — Seattle is served by 5 regular airlines . Most of the flights on this route are operated by American Airlines - 67 departures per week at the price of from $ 355 . And the most expensive tickets are offered by United Airlines airline - from $ 1272.

Direct flights

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

Connecting Flights

There are 386 flights with layovers on the route. The fastest connecting flight is DL3632 by Delta Air Lines Inc. takes 8h 26m and the cheapest is UA5517 by United Airlines for $255.

AA - American Airlines

from $355

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AS - Alaska Airlines

from $258

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AC - Air Canada

from $555

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DL - Delta Air Lines Inc.

from $289

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UA - United Airlines

from $255

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Airports

You can fly from Portland to Seattle from 1 airports (Portland Intl Jetport).

Portland airports

Portland Intl Jetport-PWM

from $255
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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from Portland by 5 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Airbus A321

from $289

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Boeing 737 MAX 8

from $311

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Canadair Regional Jet 900

from $331

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Airbus A319

from $355

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Embraer 175 (short wing)

from $365

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Boeing 737

from $382

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Embraer 170

from $436

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Embraer 175

from $442

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Airbus A318

from $445

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Canadair 900

from $500

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Top Domestic Destinations from Portland

You may also consider searching for discounted plane tickets to some other popular places from Portland within United States.

Portland — Las Vegas

from $74

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Portland — Seattle

from $80

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Portland — Chicago

from $60

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Portland — Denver

from $55

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Portland — San Diego

from $68

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Portland — Los Angeles

from $56

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Portland — Sacramento

from $58

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Portland — Austin

from $59

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Portland — Spokane

from $63

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Portland — Atlanta

from $64

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Top International Destinations from Portland

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Portland — Vancouver

from $73

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Portland — Calgary

from $75

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Portland — Amsterdam

from $59

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Portland — Guadalajara

from $68

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How to book a plane 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.
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