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Cheap flights from Portland to Seattle

78 nonstop flights a week, 11 of them today. Operated by 3 airlines, about 2h 3m in the air, 146 mi (235 km). Tickets from $107.

Flights from Portland to Seattle

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Portland to Seattle

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Portland to Seattle

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $107 15 December 2026, nonstop Cheapest nonstop $107 15 December 2026, SeaPort Airlines Cheapest in the next 7 days $209 17 November, Tue Cheapest weekend departure $220 Sat, 14 November 2026 Cheapest month December 2026 tickets from $107

Portland to Seattle at a glance

flight time, from 50m to 2h 28m
2h 3m
straight-line distance
146 mi (235 km)
flights a week
78
flights today
11
first and last departure
05:05 - 10:35
lowest price, nonstop, 15 December
$107
average across months
$157
airlines
3

Portland to Seattle ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $107. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $207. The average across months is $157.

Portland to Seattle flight schedule

78 flights a week, 11 today, 32 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 2205
Alaska Airlines
05:05 Portland International
06:00 Seattle-Tacoma International
1h 55m
Daily
Embraer EMB 175
AS 427
Alaska Airlines
05:30 Portland International
06:31 Seattle-Tacoma International
2h 1m
Mon, Fri, Sat, Sun
Boeing 737
DL 4008
Delta
05:30 Portland International
06:45 Seattle-Tacoma International
1h 15m
Tue, Wed, Thu, Fri, Sat, Sun
Embraer 175
AS 499
Alaska Airlines
06:08 Portland International
07:10 Seattle-Tacoma International
2h 2m
Daily
Boeing 737-800
AS 499
Alaska Airlines
06:22 Portland International
07:25 Seattle-Tacoma International
2h 3m
Mon, Fri, Sat, Sun
Boeing 737-900
X4 3101
SeaPort Airlines
06:45 Portland International
07:35 Boeing Field International
50m
Mon, Tue, Wed, Thu, Fri
Pilatus PC-12
DL 3695
Delta
07:00 Portland International
08:18 Seattle-Tacoma International
2h 18m
Daily
Embraer 175
AS 427
Alaska Airlines
07:08 Portland International
08:15 Seattle-Tacoma International
2h 7m
Daily
Boeing 737-900
AS 490
Alaska Airlines
07:22 Portland International
08:30 Seattle-Tacoma International
2h 8m
Mon, Fri, Sat, Sun
Boeing 737
X4 3125
SeaPort Airlines
07:35 Portland International
08:25 Boeing Field International
50m
Sun
Pilatus PC-12
AS 490
Alaska Airlines
08:08 Portland International
09:08 Seattle-Tacoma International
2h
Daily
Boeing 737-800
AS 1337
Alaska Airlines
08:22 Portland International
09:23 Seattle-Tacoma International
2h 1m
Mon, Fri, Sat, Sun
Boeing 737-700
DL 3953
Delta
09:09 Portland International
10:37 Seattle-Tacoma International
2h 28m
Sun
Embraer 175
DL 3953
Delta
09:16 Portland International
10:44 Seattle-Tacoma International
2h 28m
Mon, Tue, Wed, Thu, Fri, Sat
Embraer 175
AS 2408
Alaska Airlines
09:20 Portland International
10:17 Seattle-Tacoma International
1h 57m
Daily
Embraer EMB 175
AS 2408
Alaska Airlines
09:25 Portland International
10:23 Seattle-Tacoma International
1h 58m
Mon, Fri, Sat, Sun
Embraer EMB 175
X4 3103
SeaPort Airlines
09:25 Portland International
10:15 Boeing Field International
50m
Mon, Tue, Wed, Thu, Fri
Pilatus PC-12
X4 3142
SeaPort Airlines
09:35 Portland International
10:25 Boeing Field International
50m
Sun
Pilatus PC-12
AS 3217
Alaska Airlines
10:35 Portland International
11:47 Seattle-Tacoma International
2h 12m
Daily
Embraer EMB 175

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 27 November.

FlightDepartsArrivesDurationDaysAircraft
DL 1827
Delta
07:00 Portland International
08:10 Seattle-Tacoma International
2h 10m
Seasonal
Airbus A220-300
AS 2205
Alaska Airlines
05:23 Portland International
06:20 Seattle-Tacoma International
1h 57m
Seasonal
Embraer EMB 175
AS 499
Alaska Airlines
06:26 Portland International
07:30 Seattle-Tacoma International
2h 4m
Seasonal
Boeing 737-800
AS 427
Alaska Airlines
07:30 Portland International
08:35 Seattle-Tacoma International
2h 5m
Seasonal
Boeing 737
AS 490
Alaska Airlines
08:30 Portland International
09:33 Seattle-Tacoma International
2h 3m
Seasonal
Boeing 737
AS 2408
Alaska Airlines
09:30 Portland International
10:30 Seattle-Tacoma International
2h
Seasonal
Embraer EMB 175
AS 3217
Alaska Airlines
10:30 Portland International
11:40 Seattle-Tacoma International
2h 10m
Seasonal
Embraer EMB 175
DL 3953
Delta
09:23 Portland International
10:42 Seattle-Tacoma International
2h 19m
Seasonal
Embraer 175
AS 2206
Alaska Airlines
08:30 Portland International
09:33 Seattle-Tacoma International
2h 3m
Seasonal
Embraer EMB 175
AS 427
Alaska Airlines
05:02 Portland International
06:00 Seattle-Tacoma International
1h 58m
Seasonal
Boeing 737-900
AS 499
Alaska Airlines
06:02 Portland International
07:06 Seattle-Tacoma International
2h 4m
Seasonal
Boeing 737-900
AS 490
Alaska Airlines
07:02 Portland International
08:11 Seattle-Tacoma International
2h 9m
Seasonal
Boeing 737-900
AS 615
Alaska Airlines
08:02 Portland International
09:05 Seattle-Tacoma International
2h 3m
Seasonal
Boeing 737-900
AS 3169
Alaska Airlines
09:20 Portland International
10:27 Seattle-Tacoma International
2h 7m
Seasonal
Embraer EMB 175
DL 1695
Delta
05:05 Portland International
06:13 Seattle-Tacoma International
2h 8m
Seasonal
Airbus A220-300
DL 2360
Delta
07:00 Portland International
08:18 Seattle-Tacoma International
2h 18m
Seasonal
Boeing 737-800
DL 3953
Delta
09:47 Portland International
11:00 Seattle-Tacoma International
2h 13m
Seasonal
Embraer 175
DL 1325
Delta
09:25 Portland International
10:40 Seattle-Tacoma International
2h 15m
Selected dates
Boeing 737-800
DL 2360
Delta
06:40 Portland International
07:48 Seattle-Tacoma International
2h 8m
Seasonal
Airbus A220-100 Passenger
DL 3953
Delta
09:40 Portland International
10:55 Seattle-Tacoma International
2h 15m
Seasonal
Embraer 175
AS 2205
Alaska Airlines
05:25 Portland International
06:20 Seattle-Tacoma International
1h 55m
Seasonal
Embraer EMB 175
AS 499
Alaska Airlines
06:25 Portland International
07:28 Seattle-Tacoma International
2h 3m
Seasonal
Boeing 737-900
AS 2408
Alaska Airlines
09:31 Portland International
10:29 Seattle-Tacoma International
1h 58m
Seasonal
Embraer EMB 175
AS 3217
Alaska Airlines
10:31 Portland International
11:40 Seattle-Tacoma International
2h 9m
Seasonal
Embraer EMB 175
AS 2217
Alaska Airlines
05:00 Portland International
06:02 Seattle-Tacoma International
2h 2m
Seasonal
Embraer EMB 175
AS 499
Alaska Airlines
06:07 Portland International
07:09 Seattle-Tacoma International
2h 2m
Seasonal
Boeing 737-900
AS 1543
Alaska Airlines
07:15 Portland International
08:14 Seattle-Tacoma International
1h 59m
Seasonal
Boeing 737-900
AS 204
Alaska Airlines
09:40 Portland International
10:36 Seattle-Tacoma International
1h 56m
Seasonal
Boeing 737-900
AS 2124
Alaska Airlines
10:40 Portland International
11:35 Seattle-Tacoma International
1h 55m
Seasonal
Embraer EMB 175
DL 2360
Delta
07:10 Portland International
08:18 Seattle-Tacoma International
2h 8m
Seasonal
Airbus A220-100 Passenger
AS 2225
Alaska Airlines
05:00 Portland International
06:01 Seattle-Tacoma International
1h 1m
Seasonal
Embraer EMB 175
AS 2054
Alaska Airlines
08:19 Portland International
09:20 Seattle-Tacoma International
1h 1m
Seasonal
Embraer EMB 175

Days of the week are taken from the schedule for the next 14 days; schedules change by season. The search shows seat availability and the price for your date.

Airlines flying Portland to Seattle

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Alaska Airlines46 a week Delta20 a week SeaPort Airlines12 a week

Airports

Where flights from Portland to Seattle depart and land

Departure from Portland

Portland International PDX

78 flights a week, 7 mi (11 km) from the city centre

About the airport

Arrival in Seattle

Seattle-Tacoma International SEA

66 flights a week, 11 mi (18 km) from the city centre

About the airport
Boeing Field International closest to the centreBFI

12 flights a week, 5 mi (8 km) from the city centre

About the airport

When to visit Seattle

Weather by month

Best time to visit: May, June, July, August and September, +17° to +25° by day. In November it is +10° by day and +5° at night, with 17 rainy days.

Jan
+8° +2° 16 days
Feb
+8° +2° 14 days
Mar
+11° +4° 15 days
Apr
+13° +6° 14 days
May
+17° +9° 11 days
Jun
+21° +12° 7 days
Jul
+25° +15° 1 days
Aug
+25° +15° 6 days
Sep
+21° +13° 7 days
Oct
+15° +9° 14 days
Nov
+10° +5° 17 days
Dec
+8° +4° 20 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Portland to Seattle?
A nonstop flight takes 2 hours 3 minutes on average, from 50m to 2h 28m depending on the flight.
How far is Seattle from Portland?
146 mi (235 km) in a straight line between the cities.
Which airlines fly nonstop from Portland to Seattle?
Alaska Airlines (46 a week), Delta (20 a week) and SeaPort Airlines (12 a week).
How many flights a day are there from Portland to Seattle?
11 flights today and 78 a week, about 11.1 a day on average.
When are the first and last flights from Portland to Seattle?
The first departure is at 05:05 (AS2205), the last at 10:35 (AS3217). Local time.
What is the cheapest month to fly from Portland to Seattle?
December 2026: tickets from $107. The most expensive is November 2026, from $207.
What is the cheapest upcoming date to fly from Portland to Seattle?
15 December 2026 (Tuesday): from $107 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Portland to Seattle?
SeaPort Airlines: nonstop tickets from $107 on 15 December by recent searches. Prices change daily, so compare the sellers in the search.
Which Portland airport do flights to Seattle leave from?
Portland International (78 a week).
Which Seattle airport is closest to the city centre?
Boeing Field International (BFI), 5 mi (8 km) from the city centre. Others: Seattle-Tacoma International 11 mi (18 km).