Title: Cheap American Airlines flights from Philadelphia to Tri-Cities (PHL→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 American Airlines flights from Philadelphia to Tri-Cities (PHL→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 - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### 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) ### September is typically the cheapest month to fly From £217 - £391 per traveller. __Flight from Philadelphia to Tri-Cities route information__ | Origin airport | Philadelphia Intl. | | ------------------- | ------------------- | | Destination airport | Tri-Cities Regional | | Distance | 726 km | ## Frequently asked questions ### How much is an American Airlines flight from Philadelphia Intl. Airport (PHL) to Tri-Cities Regional Airport (TRI)? ### What is the cheapest month to fly from PHL to TRI with American Airlines? ### Does American Airlines fly nonstop from Philadelphia Intl. Airport (PHL) to Tri-Cities Regional Airport (TRI)? ### What airports does American Airlines fly into in Blountville? ### Can I change or cancel my American Airlines flight from Philadelphia Intl. 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