How much is a ticket from Porto to Knoxville?

Depending on when you travel and how far in advance you book, fares between Porto and Knoxville can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which airports are most convenient between Porto and Knoxville?

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

• Airports in Porto: Only Porto is currently active.
• Airports in Knoxville: Knoxville - McGhee Tyson 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.

Refine your flight search from Porto to Knoxville

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.