Cheap Flights from Portland (PDX) to Seattle (SEA) from HK$1,680~

View HK$1,680 flight on Thu, 31 Jul 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA)

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Find Cheap Flights from Portland (PDX) to Seattle (SEA)

Prices were available within the past 7 days and start at HK$1,680 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Portland (PDX) to Seattle (SEA)

January is typically the cheapest month to fly

From HK$598 - HK$1,700 per traveller.

Graph displaying average flight prices per month

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Portland to Seattle route information
Origin airport
Portland Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
206 km

Flights from Portland to Seattle

Book cheap flights from Portland (PDX) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Portland (PDX) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Portland (PDX) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$1,680 now!

 

Frequently asked questions

How much is a flight from PDX Airport to Seattle - Tacoma Intl. Airport (SEA)?
Round-trip tickets from Portland Airport to Sea-Tac Airport start from . This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Sea-Tac Airport?
Most flights can be conveniently canceled online, but whether you are charged a fee varies between airlines. If you do need to cancel your vacation, follow the instructions in the Customer Service Portal.
How do I find cheap flights from PDX Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PDX Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Portland Airport to SEA?
It takes around 1 hour and 1 minute to jet from Portland Intl. Airport (PDX) to Seattle - Tacoma Intl. Airport (SEA) — just enough time for a quick snooze. You'll be landing in SeaTac by the time you open your eyes.
How far is the flight from Portland Intl. Airport (PDX) to Seattle - Tacoma Intl. Airport (SEA)?
The distance from Portland Intl. Airport (PDX) (PDX) to Sea-Tac Airport (SEA) is only 210 kilometers. You'll be disembarking the plane and collecting your suitcase from the carousel in no time.
Which airlines fly direct from PDX to Sea-Tac Airport?
With 495 flights every month from PDX to Seattle - Tacoma Intl. Airport (SEA), Alaska Airlines (AS) is a top choice. If you'd like more options, check out the fares from Delta Air Lines (DL). This airline offers 212 flights a month between these airports.
Are Portland Intl. Airport (PDX) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from PDX Airport to SEA last minute could be your ticket to a great deal. However, it could end up costing a great deal more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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