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

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

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.

Which departure and arrival airports are available?

Between Porto and Knoxville, flight options may depend on the combination of airports available.

• Airports in Porto: Only Porto is currently in operation.
• Airports in Knoxville: Knoxville - McGhee Tyson is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Plan smarter: flights from Porto to Knoxville

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to United States also checked out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.