Cheap flights from Portland, OR to Seattle, WA

Flights starting at $63. Choose between Alaska Airlines, Spirit Airlines, or Frontier Airlines to find the best price.

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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The distance between Portland and Seattle is 208 km. The most popular airlines for this route are Alaska Airlines, Spirit Airlines, Frontier Airlines, British Airways, and Harbour Air (Priv). Portland and Seattle have 181 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Portland to Seattle in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 17.03 - Sat 23.03

AirlineSun 17.03Mon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03
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Weekly direct flights for Sun 24.03 - Sat 30.03

AirlineSun 24.03Mon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03
---------------------

Weekly direct flights for Sun 31.03 - Sat 06.04

AirlineSun 31.03Mon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04
5653---1410

Weekly direct flights for Sun 07.04 - Sat 13.04

AirlineSun 07.04Mon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04
12131212131310

Check-in for a flight from Portland to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
British AirwaysBAWBANo0
0
Harbour Air (Priv)HESYBNoNo

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
250
days per year
Snow days
5
days per year

14 day forecast

Monday
18 Mar
18°C8°C
25 Mar
13°C4°C
Tuesday
19 Mar
20°C7°C
26 Mar
11°C4°C
Wednesday
20 Mar
85%
14°C5°C
27 Mar
86%
7°C5°C
Thursday
21 Mar
89%
14°C6°C
28 Mar
70%
12°C6°C
Friday
22 Mar
78%
15°C7°C
29 Mar
80%
8°C5°C
Saturday
23 Mar
60%
9°C8°C
30 Mar
88%
11°C4°C
Sunday
24 Mar
84%
10°C5°C
31 Mar
89%
8°C3°C

Frequently asked questions

How long does it take to travel from Portland to Seattle?
What is the flight distance between Portland and Seattle?
What airlines offer nonstop (direct) flights between Portland and Seattle?
What are the most popular routes to and from Portland?
What are the most popular routes to and from Seattle?
What airports are near Portland?
What airports are near Seattle?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Portland and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between Portland and Seattle?
When's the best time to travel between Portland and Seattle?
What flights operate between Portland and Seattle?
How many airports are there near Portland?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Portland and Seattle depart?
What time do nonstop (direct) flights between Portland and Seattle arrive?
What time do flights between Portland and Seattle depart?
What time do flights between Portland and Seattle arrive?

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