What’s the cost of a flight from Knoxville to Porto?

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

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Best airport options between Knoxville and Porto

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Knoxville: Knoxville - McGhee Tyson is the only operating airport.
• Airports in Porto: Porto is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Compare flights from Knoxville to Porto with advanced filters

Find your ideal flight using Jetcost. Select whether you want nonstop or connecting flights, round-trip or one-way, and filter by airline, price, or booking site.

Other popular destinations

Looking for alternatives in Portugal? Travelers also liked: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.