$427 Cheap Flights from Pendleton (PDT) to Pasco (PSC)

View $427 flight on Thu, Jun 12, 2025Opens in a new window

Popular airlines from Pendleton, OR (PDT-Eastern Oregon Regional) to Tri-Cities Airport (PSC)

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Find available prices by choosing your travel dates.

Cheap Flights from Pendleton to Pasco (PDT-PSC)

Prices were available within the past 7 days and start at $427 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Pendleton (PDT) to Pasco (PSC)
Origin airport
Eastern Oregon Regional
Destination airport
Tri-Cities
Distance
41 mi

Pendleton to Pasco Flights

The cheapest times to fly from Pendleton to Pasco

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 Pendleton to Pasco are during the month of . You can find some of the cheapest flights from Pendleton to Pasco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pendleton to Pasco

Sunday is one of the best days to book for cheap flights from Pendleton to Pasco: 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 Pendleton to Pasco

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 Pendleton to Pasco in 2025. You can also book with separate airlines for your outbound and return journeys, from $427 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 Pendleton to Pasco 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 Pendleton to Pasco 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.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from Eastern Oregon Regional Airport (PDT) to Tri-Cities Airport (PSC) last minute?
When it’s time to book your flights, it pays to be prepared. While you may be able to score a last-minute deal on an Eastern Oregon Regional Airport (PDT) to Tri-Cities Airport flight, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international travel it’s three to four months.
What airports do you fly into for Pasco from Pendleton?
With Tri-Cities Airport (PSC), Walla Walla Regional Airport (ALW) and Eastern Oregon Regional Airport (PDT) to choose from, traveling from Pendleton to Pasco is simple. The city’s main terminal, Tri-Cities Airport (PSC), is roughly 2 mi northwest of the center. Along with ticket costs, consider factors like train or bus options from the airport and the distance to your hotel when deciding where to land. Get your Pasco adventure off on the right foot by checking out Toyota Center and Gesa Stadium.
Can I change the date of my flight from PDT to Tri-Cities Airport (PSC)?
It’s a cinch to make amendments to your PDT to Tri-Cities Airport (PSC) journey yourself. Log in to the Expedia Trips portal and select “change flight.” Browse around for new flights and secure the one that fits your plans. You’ll see an estimate of applicable flight change costs. You can also find your way to our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

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