Cheap Flights from Portland (PDX) to Tri-Cities (TRI)

Popular airlines from Portland International Airport (PDX) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Frequently asked questions

How much is a flight from Portland Intl. Airport (PDX) to TRI?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Portland Intl. Airport (PDX) to Tri-Cities Airport start from . Make your booking ASAP to score the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PDX to Tri-Cities Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from PDX Airport to TRI that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from PDX to Tri-Cities Regional Airport (TRI). This allows you to secure a good price in advance and still have the freedom to make changes without any extra fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from PDX Airport to TRI?
There are lots of ways to make the 5 hours and 54 minutes between Portland Intl. Airport (PDX) and TRI fly by. Be productive and organize your camera roll or delete all those backed-up emails. A good snooze also helps pass the time!
How far is the flight from Portland Airport to Tri-Cities Airport?
The flight distance from Portland Airport to Tri-Cities Regional Airport (TRI) is 3,500 kilometres. Listen to some music or get stuck into a book and the trip will zip on by.
Which airlines fly direct from PDX Airport to Tri-Cities Regional Airport (TRI)?
Right now, no airlines offer flights directly from PDX to Tri-Cities Regional Airport (TRI). You'll need to book a flight with at least one stop. To score the best connections and price, lock in your fare well in advance.
Are Portland Airport to TRI flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from Portland Airport to Tri-Cities Regional Airport (TRI) surfacing a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance.

Travel information

Origin airport
Portland Intl.
Destination airport
Tri-Cities Regional
Distance
3458 km

Book with confidence

Portland to Blountville Flights

The easy way to book your flights from Portland to Tri-Cities 

With Expedia, it’s simple to find and book flights to Tri-Cities from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Tri-Cities Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Tri-Cities today, tomorrow, or this week.  

 

Save dollars with cheap flights from Portland Intl., PDX to Tri-Cities Regional, TRI 

Sort your search results by price to find great deals on your flight from Portland to Tri-Cities—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Tri-Cities from Portland currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Tri-Cities  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Tri-Cities from Portland 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Tri-Cities with Expedia today.

Portland to Blountville Flights
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