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Cheap Flights from Kingsport (TRI) to Portland (PWM)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Tri-Cities to Portland flight deals

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

      Book the best Portland fare with no extra fees

      Flight deals from Tri-Cities to Portland

      Looking for a cheap last-minute deal or the best return flight from Tri-Cities Airport to Portland Airport? If you want to travel next month, return fares start from $444. Find the lowest prices on one-way and return tickets right here.
      Portland.$444 per passenger.Departing Thu, 6 Aug, returning Wed, 12 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Thu, 6 Aug, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Wed, 12 Aug, arriving in Tri-Cities.Price includes taxes and charges.From $444, select.
      Portland.$444 per passenger.Departing Mon, 19 Oct, returning Mon, 26 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Mon, 19 Oct, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Mon, 26 Oct, arriving in Tri-Cities.Price includes taxes and charges.From $444, select.
      Portland.$653 per passenger.Departing Wed, 23 Sep, returning Sat, 26 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Wed, 23 Sep, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Sat, 26 Sep, arriving in Tri-Cities.Price includes taxes and charges.From $653, select.
      Portland.$748 per passenger.Departing Sat, 11 Jul, returning Sat, 18 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Sat, 11 Jul, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Sat, 18 Jul, arriving in Tri-Cities.Price includes taxes and charges.From $748, select.

      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 August.
      Jul
      from $747
      Aug
      from $443
      Sep
      from $652
      Oct
      from $444
      Nov
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      Dec
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      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      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.

      Portland

      4km from central Portland
      ClosestCheapest
      from $444
      Search flights

      Portsmouth

      79km from central Portland
      Search flights

      Augusta

      82km from central Portland
      Search flights

      Kingsport to Portland: Flight information

      The things to know before you go.
      Cheapest flight found$443
      Cheapest month to flyAugust

      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 $443. 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 $444.
      As of July 2026, there are no flights flying from Tri-Cities to Portland.
      The cheapest month to fly from Tri-Cities to Portland is usually August.
      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 Thursday, 6 August 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.

      Flying from Tri-Cities Airport (TRI) to Portland Airport (PWM): what you need to know

      • Leave enough time to make your TRI to PWM flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

      • Flying during a peak time such as July? Major public holidays and other high seasons can mean longer queues at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

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

      • $387 is the best price for a one-way Tri-Cities Airport to Portland Airport flight. Return flights start from $443. These fares may change based on availability and demand.

      • To get your hands on cheap tickets from TRI to PWM, book as early as you can. Airlines typically offer the most competitive fares when flights are first released.

      • Finding cheap flights from Tri-Cities Airport to Portland Airport is more likely if you're flexible with your travel plans. Use the 'Whole month' function to see the best prices throughout the month and snap up a great deal.

      • Landing cheap flights from TRI to PWM is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when a lower fare pops up.

      • Secure the ideal flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Tri-Cities Airport to Portland Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

      Handy information about Tri-Cities Airport (TRI)

      • TRI is located at 2525 Tennessee 75.

      • 81% of flights departing from Tri-Cities Airport arrive at their destination according to schedule. With its strong performance rating, delays are unlikely when jetting out of 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 15 minutes or so to get there, depending on the traffic.

      • The trip on public transport typically takes 35 minutes.

      • Booked an early flight from Tri-Cities Airport to Portland Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by picking one of these stays near TRI:

      Arriving at Portland Airport (PWM)

      Getting from Portland Airport (PWM) to central Portland

      • The street address for PWM is 1001 Westbrook Street.

      • Portland Airport is roughly 8 kilometres from central Portland. The drive time takes about 15 minutes.

      • It takes around 30 minutes if you're travelling on public transport.

      When to fly to Portland Airport (PWM)

      • Before securing your flights from Tri-Cities Airport to Portland Airport, think about which time of year is best for you. Peak season in Portland offers a vibrant atmosphere and lots to do, while the low season means you'll get better hotel rates and fewer crowds.

      • Before locking in your flight from Tri-Cities Airport to Portland Airport, think about the kind of weather you enjoy. July is the warmest month in Portland, with the temperature ranging from 14ºC (57ºF) to 25ºC (77ºF).

      • If you want to travel in cooler conditions, search for a cheap ticket from TRI to PWM in January. Average temperatures are between -10ºC (14ºF) and 3ºC (37ºF) then.

      Explore more of the United States

      • You've visited Portland, now it's time to explore other parts of the United States. Journey around 451 kilometres south-west to New York to check off its leading sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.

      • If you want to check out another side of the United States, head for Boston, about 161 kilometres south-west of Portland. Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum are the start of reasons to visit.

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      Plan the rest of your trip from Kingsport to Portland

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