Cheap Flights from Tri-Cities to Portland

Compare Tri-Cities to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

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Find the cheapest month to fly from Tri-Cities to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Portland flights are currently cheapest in July.

Tri-Cities to Portland: Alternative routes

Compare routes from Tri-Cities to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Kingsport to Portland: Flight information

The things to know before you go.
Cheapest flight foundRs55,787
Cheapest month to flyJuly

Finding cheap flights from Tri-Cities to Portland: Frequently asked questions

The best price we found for a return flight from Tri-Cities to Portland is Rs122,021. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Tri-Cities to Portland. But we found flights with one or more stops from Rs122,021.
As of June 2026, there are no flights flying from Tri-Cities to Portland.
The cheapest month to fly from Tri-Cities to Portland is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Portland Airport on Saturday, 3 October 2026.
No airlines currently offer direct flights between Tri-Cities Airport and Portland Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Portland.

Travelling from Tri-Cities Airport (TRI) to Portland Airport (PDX): what you need to know

  • Portland's timezone is UTC-8, making Portland three hours behind Kingsport.

  • Get to the airport on time so you don't miss your TRI to PDX flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • You can expect longer lines during popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

How to find the cheapest flights from Tri-Cities Airport (TRI) to Portland Airport (PDX)

  • The cheapest price we've found for a one-way Tri-Cities Airport to Portland Airport flight is Rs55,787. A round-trip ticket right now is Rs122,021. Depending on the availability and when you book, these fares can change.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from TRI to PDX if you book early. Airlines often have some terrific early bird deals.

  • The 'Whole month' tool shows you the cheapest flights from Tri-Cities Airport to Portland Airport across every month. It's a good way to snap up a bargain if your plans are flexible.

  • Snapping up cheap flights from TRI to PDX is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Tailor your flights with filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Tri-Cities Airport to Portland Airport.

Handy information about Tri-Cities Airport (TRI)

  • TRI's address is 2525 Tennessee 75.

  • 81% of flights leaving Tri-Cities Airport land at their destination on time. With its dependable on-time performance, you're unlikely to be delayed when taking off from TRI.

  • Tri-Cities Airport is about 18 kilometres from central Kingsport. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? Expect a trip time of around 35 minutes.

  • Searching for a convenient hotel close to TRI? If you've booked an early flight from Tri-Cities Airport to Portland Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Portland Airport (PDX)

When to fly to Portland Airport (PDX)

  • It's time to plan your trip dates for your flight from Tri-Cities Airport to Portland Airport. July is the busiest month to head to Portland. If you'd like a more relaxed vibe, go in March.

  • The warmest month in Portland is August, with the temperature ranging between 12ºC and 31ºC. Lock in your flights from Tri-Cities Airport to Portland Airport in this month if you like this kind of weather.

  • January sees average temperatures of between -2ºC and 10ºC. Search for cheap tickets from TRI to PDX sometime then if you want to travel in cooler conditions.

Explore more of the United States

  • You've visited Portland, now it's time to explore other corners of the United States. Travel about 241 kilometres north to Seattle to tick off its top attractions. From Space Needle to Pike Place Market and Seattle Skyline, your itinerary will be busy.

  • If you're ready to explore another great destination in the United States, head for Spokane, roughly 467 kilometres north-east of Portland. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.