Cheap Flights from Pendleton (PDT) to Tri-Cities (TRI)

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

Frequently asked questions

How much does a flight from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI) cost?
Get a cheap one-way flight or cheap return flight from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI)?
is the cheapest month to fly from PDT to TRI. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDT to TRI flight.
How many flights per day from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI)?
There are no daily nonstop flights available from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from PDT to TRI?
You'll typically find Tuesday the quietest day for flights, while Fridays are often 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 Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI)?
To reach Tri-Cities Regional Airport (TRI) without delays, pick a flight that leaves Eastern Oregon Regional Airport (PDT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI) last-minute?
Booking your flight from PDT to TRI just before your trip is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a PDT to TRI flight and hotel package?
You can save money by securing a PDT to TRI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Eastern Oregon Regional Airport (PDT) to Tri-Cities Regional Airport (TRI)?
If you booked your PDT to TRI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Eastern Oregon Regional
Destination airport
Tri-Cities Regional
Distance
1981 mi

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Pendleton to Tri-Cities Flights

The cheapest times to fly from Pendleton to Tri-Cities

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

 

The best time to book a flight from Pendleton to Tri-Cities

Sunday is one of the best days to book for cheap flights from Pendleton to Tri-Cities: 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 Tri-Cities

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 Tri-Cities 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 Pendleton to Tri-Cities 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 Tri-Cities 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.

 

Pendleton to Tri-Cities Flights

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*Available to One Key members.