
Traveling from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) can be a breeze with the right information. The driving distance between the two airports is approximately 175 miles.
You can rent a car for the trip, but be aware that traffic on I-5 can be heavy, especially during rush hour. The drive typically takes around 3 hours, depending on the time of day.
There are also public transportation options available, including buses and trains, which can be a more affordable and environmentally friendly choice. The bus ride from PDX to SEA takes around 4 hours, while the train ride takes about 3.5 hours.
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Directions and Travel
If you're planning a road trip from PDX to SEA, the total driving time is 2 hours, 36 minutes.
You can also calculate the cost to drive from PDX to SEA based on current local gas prices and an estimate of your car's best gas mileage.
The city that is halfway between PDX and SEA is a great place to meet a friend.
Portland, OR to Seattle, WA Directions
If you're planning a trip from Portland, OR to Seattle, WA, you'll want to know the most direct route. The distance between Portland International Airport (PDX) and Seattle-Tacoma International Airport (SEA) is 128.94 miles.
To get to Seattle from Portland, you can take a flight, which is the fastest way to travel between the two cities. The flight distance is approximately 207.52 kilometers.
If you're driving, the journey takes around 3 hours, depending on traffic conditions. However, if you're short on time, flying is the way to go. The flight duration is about 1 hour.
Here are the airport details you'll need to know:
- PDX (Portland International Airport) IATA Code: PDX, Location: Portland, OR, United States
- SEA (Seattle-Tacoma International Airport) IATA Code: SEA, Location: Seattle, WA, United States
Remember to check the current time at both airports before your trip to ensure you're not caught off guard by time zone differences.
Driving Time Calculator
The driving time calculator is a powerful tool that helps you find out how long it will take to drive between any two cities, airports, states, countries, or zip codes. This can be super helpful when planning a road trip.

You can use it to calculate the driving time from PDX to SEA, which is 2 hours and 36 minutes.
If you're planning a road trip, you might be interested in seeing the total driving distance from PDX to SEA. This can help you estimate how much gas you'll need and plan your route accordingly.
The driving time calculator can also help you find the city that is halfway between PDX and SEA. This can be a great way to break up your road trip and make the most of your travel time.
You can compare the results with the flight time calculator to see how much longer it might take to drive the distance instead of flying.
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Flights and Airlines
There are several airlines that operate flights from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA). Alaska Airlines offers nonstop flights from $157, with a typical price range of $145-$305, and operates 83 weekly nonstop flights.

Delta Airlines also operates nonstop flights from $157, with a typical price range of $145-$335, and has 55 weekly nonstop flights.
If you're looking for more options, you can also consider United Airlines, which offers flights from $289, with a typical price range of $290-$670, and operates 93 weekly connecting flights.
Southwest Airlines offers flights from $331, with a typical price range of $300-$510, and operates 85 weekly connecting flights.
Spirit Airlines and Frontier Airlines also operate flights from Portland to Seattle, but with fewer weekly flights and varying prices.
Here's a quick rundown of the airlines and their prices:
- Alaska Airlines: $157, 83 weekly nonstop flights
- Delta Airlines: $157, 55 weekly nonstop flights
- United Airlines: $289, 93 weekly connecting flights
- Southwest Airlines: $331, 85 weekly connecting flights
- Spirit Airlines: varies, 20 weekly connecting flights
- Frontier Airlines: varies, 18 weekly connecting flights
Frequently Asked Questions
Does Amtrak go from Portland to SeaTac?
Yes, Amtrak offers train service from Portland, OR to SeaTac, WA on the Amtrak Cascades route. Travel with Amtrak for a comfortable and scenic experience.
Sources
- https://www.prokerala.com/travel/airports/distance/from-pdx/to-sea/
- https://www.travelmath.com/driving-time/from/PDX/to/SEA
- https://www.google.com/travel/flights/flights-from-portland-to-seattle.html
- https://www.flightconnections.com/flights-from-pdx-to-sea
- https://www.flixbus.com/bus-routes/bus-portland-or-seattle-wa
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