How much is a flight from Knoxville to Portsmouth?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Knoxville and Portsmouth.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Knoxville - Portsmouth route.

Which airports are most convenient between Knoxville and Portsmouth?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Knoxville: Only Knoxville - McGhee Tyson is currently active.
• Airports in Portsmouth: Portsmouth - Pease International is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Adjust your flight filters for Knoxville – Portsmouth

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.