Cheap Flights from Seattle (SEA) to Troutdale (TTD)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Troutdale, OR (TTD-Portland - Troutdale)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD)?
is the most affordable month to fly from SEA to TTD. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SEA to TTD flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to TTD?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD)?
To touch down at Portland - Troutdale Airport (TTD) on time, choose a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Troutdale from Seattle - Tacoma Intl. Airport (SEA)?
Browse your flight options from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). This is the only airport in Troutdale you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD) last-minute?
Last-minute fares from SEA to TTD are generally more expensive. To lock in the lowest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a SEA to TTD flight and hotel package?
Securing a SEA to TTD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Portland - Troutdale Airport (TTD)?
If you reserved your SEA to TTD flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland - Troutdale
Distance
131 mi

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Seattle to Troutdale Flights

The cheapest times to fly from Seattle to Troutdale

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Troutdale are during the month of . You can find some of the cheapest flights from Seattle to Troutdale with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Troutdale

Sunday is one of the best days to book for cheap flights from Seattle to Troutdale: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Troutdale

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Troutdale in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Troutdale flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Troutdale airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Troutdale Flights

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*Available to One Key members.