Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Did you mean flights from Seattle to Portland?

Cheap Flights from Portland to Seattle, WA, United States - PDX to SEA Last modified: Jun 29, 2016 7:30 PM

Popular flights from Portland to Seattle Last modified: Jun 29, 2016 7:30 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska
PDXSEA
Sat 7/23
nonstop
SEAPDX
Sun 7/24
nonstop
$169
Select
Alaska
PDXSEA
Mon 7/25
nonstop
SEAPDX
Mon 8/8
nonstop
$169
Select
Alaska
PDXSEA
Tue 7/26
nonstop
SEAPDX
Thu 7/28
nonstop
$169
Select
Alaska
PDXSEA
Wed 7/27
nonstop
SEAPDX
Wed 8/3
nonstop
$169
Select
Alaska
PDXSEA
Fri 7/29
nonstop
SEAPDX
Mon 8/8
nonstop
$169
Select
United
PDXSEA
Wed 9/21
2 stops
SEAPDX
Sat 9/24
2 stops
$219
Select

How Much Does it Cost to Fly from Portland to Seattle (PDX to SEA)?

We have collected flight cost data from across the web for travel from Portland to Seattle, and have found the average flight price for this trip to be $169.

When Can I Buy the Cheapest Flight from Portland to Seattle (PDX to SEA)?

Airlines can adjust prices for plane tickets from Portland to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Portland to Seattle

The chart below shows up-to-date information regarding how far in advance a flight from Portland to Seattle should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $306 $441
7-14 days $235 $314
14-21 days $180 $231
21-30 days $169 $253
30-60 days $169 $225
60-90 days $169 $209
90+ days $169 $230

Cheapest Day To Fly from Portland to Seattle

The chart below shows up-to-date information regarding the cheapest days to fly from Portland to Seattle.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$169 $169 $169 $169 $169 $169 $169

Lowest Fares Chart By Month from Portland to Seattle

The chart below shows the lowest fare by month when flying from Portland to Seattle.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Portland Seattle Alaska 6/30/16 7/8/16 0 $332
July Portland Seattle Alaska 7/23/16 7/24/16 0 $169
August Portland Seattle Alaska 8/2/16 8/2/16 0 $169
September Portland Seattle Alaska 9/1/16 9/5/16 0 $169
October Portland Seattle Alaska 10/31/16 11/4/16 0 $169
November Portland Seattle Alaska 11/4/16 11/13/16 0 $169
December Portland Seattle Alaska 12/16/16 12/23/16 0 $169
May Portland Seattle Alaska 5/5/17 5/13/17 0 $169

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Portland to Seattle

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Portland to Seattle.

Next 30 Days

SunMonTueWedThuFriSat
3 4 5 6 7 8 9
$257
10 11 12 13 14 15 16
$257
17 18 19 20 21 22 23
$169
24 25 26 27 28 29 30
$169 $169
31 1 2 3 4 5 6
$169

Non-Stop vs Connecting Flights from Portland to Seattle (PDX to SEA)

Your Portland to Seattle flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Portland to Seattle is $214.

The average price for non-stop flights from Portland to Seattle is $169.

The chart below shows up to date information regarding non-stop flights from Portland to Seattle.

Nonstop Flight Details from Portland to Seattle
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 28 28 28 28 28 17 21 05:00 21:45
Delta 7 7 7 7 7 6 7 06:00 20:22

Round Trip vs One Way Flights from Portland to Seattle (PDX to SEA)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Portland to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Portland to Seattle is $109.

The average price for round trip flights from Portland to Seattle is $194.

Portland to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Portland to Seattle?
Answer: The average Portland to Seattle flight time is 50 minutes.
Question: How many miles are there between Portland and Seattle?
Answer: The distance from Portland to Seattle is 128 miles.
Question: How common are direct flights from Portland to Seattle?
Answer: There are 226 direct flights from Portland to Seattle.
Question: What is the most popular airline for non-stop flights from Portland to Seattle?
Answer: Alaska Airlines provides 78% of the non-stop flights between Portland and Seattle.

Airports for Your Route

These pages contain information about the major airports in Portland and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Portland - PDX

FlightsAirlineLowest Price
Portland to Los Angeles American, Alaska, Spirit, United, Virgin America $122
Portland to Bellingham American, Alaska, United $225
Portland to Wenatchee Alaska $234
Portland to Las Vegas American, Alaska, JetBlue, Spirit, United, Virgin America $127

Cheap International Flights from Portland - PDX

FlightsAirlineLowest Price
Portland to Vancouver American, Air Canada, Alaska, United, WestJet $224
Portland to Victoria American, Air Canada, Alaska, United, WestJet $258

Cheap Domestic Flights to Seattle - SEA

FlightsAirlineLowest Price
Eugene to Seattle Alaska $243
Pasco to Seattle Alaska $183
Redmond to Seattle Alaska, United $197
Wenatchee to Seattle Alaska $165
Yakima to Seattle Alaska $193
North Bend to Seattle Alaska, United $545
Seattle to Portland Alaska $169
Seattle to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $116
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $197
Seattle to Wenatchee Alaska $165
Seattle to Las Vegas American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $121
Seattle to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, Sun Country, United, Virgin America $246
Seattle to Bellingham American, Alaska, United $193
Seattle to Yakima Alaska $193
Seattle to San Francisco American, Alaska, United, Virgin America $177
Seattle to Spokane American, Alaska $167
Seattle to Atlanta American, Alaska, JetBlue, Frontier, Spirit, United $317
Seattle to Pasco American, Alaska, United $183
Seattle to New York American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $279
Redmond to Portland Alaska $157
Seattle to Denver American, Alaska, Frontier, United, Virgin America $171
Pasco to Portland Alaska $155

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Seattle to Vancouver American, Air Canada, Alaska, United, WestJet $196
Seattle to Victoria American, Air Canada, Alaska, United, WestJet $171
Cheap Flights from Portland to Seattle, WA, United States, from $169 Round trip from PDX to SEA