Title: Cheap Flights from Philadelphia to Tri-Cities (PHL to TRI) - Expedia.co.uk ![Tri-Cities showing street scenes and a festival as well as a small group of people](https://images.trvl-media.com/place/6023345/09558f37-fa95-44de-b26c-758a878ddaa4.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Tennessee Department of Tourist Development ![](https://images.trvl-media.com/place/6023345/09558f37-fa95-44de-b26c-758a878ddaa4.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Philadelphia (PHL) to Tri-Cities (TRI) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Philadelphia International Airport (PHL) to Tri-Cities, TN (TRI-Tri-Cities Regional) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:phl,to:tri,departure:01/10/2025TANYT&leg2=from:tri,to:phl,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:phl,to:tri,departure:01/10/2025TANYT&leg2=from:tri,to:phl,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Philadelphia (PHL) to Blountville (TRI) ### April is typically the cheapest month to fly From £212 - £424 per traveller. Flight from Philadelphia to Tri-Cities route information | Origin airport | Philadelphia Intl. | | --- | --- | | Destination airport | Tri-Cities Regional | | Distance | 726 km | ## Compare flights from Philadelphia to Tri-Cities easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to Tri-Cities. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Tri-Cities Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to Tri-Cities Regional.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Philadelphia Intl. (PHL) to Tri-Cities Regional (TRI) The easiest way to view the best deals on flights from Philadelphia to Tri-Cities today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to Tri-Cities Regional start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Philadelphia and Tri-Cities - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Philadelphia to Tri-Cities flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to Tri-Cities Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Philadelphia Airport to Tri-Cities Regional Airport (TRI)? > Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Philadelphia Airport and Tri-Cities Airport start from . Book today to get 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 Philadelphia Airport to TRI? > The majority of flights can be cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your holiday, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from PHL to TRI that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Philadelphia Airport to Tri-Cities Regional Airport (TRI) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Philadelphia Intl. Airport (PHL) to TRI? > You won't need a lengthy novel for this flight — it's only 730 kilometres from Philadelphia to Blountville. Find your seat, order some food and you'll be in Blountville before you know it. ### Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Tri-Cities Airport? > You won't find any airlines operating directly between Philadelphia Airport and Tri-Cities Regional Airport (TRI), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip! ### Are Philadelphia Airport to TRI flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so it's no sure thing. While last-minute deals between Philadelphia Intl. Airport (PHL) and TRI are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines publicize their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking back and be ready to book when the price dips. ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars ### Accommodation - [Blountville Hotels](https://www.expedia.co.uk/Blountville-Hotels.d3000456515.Travel-Guide-Hotels) - [Bluff City Hotels](https://www.expedia.co.uk/Bluff-City-Hotels.d3000456517.Travel-Guide-Hotels) - [Hotels near Bristol Motor Speedway](https://www.expedia.co.uk/Bristol-Motor-Speedway-Hotels.0-l6091055-0.Travel-Guide-Filter-Hotels) - [Colonial Heights Hotels](https://www.expedia.co.uk/Colonial-Heights-Hotels.d3000456695.Travel-Guide-Hotels) - [Crouch Crossroad Hotels](https://www.expedia.co.uk/Crouch-Crossroad-Hotels.d3000008509.Travel-Guide-Hotels) - [Gray Hotels](https://www.expedia.co.uk/Gray-Hotels.d3000456778.Travel-Guide-Hotels) - [Huddle Mill Hotels](https://www.expedia.co.uk/Huddle-Mill-Hotels.d3000008351.Travel-Guide-Hotels) - [Hotels near Kingsport Town Center Mall](https://www.expedia.co.uk/Kingsport-Town-Center-Mall-Hotels.0-l6160866-0.Travel-Guide-Filter-Hotels) - 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