Cheap flights from Porto to Knoxville

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

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.

Airport options between Porto and Knoxville

Even for routes around 3959 mi, using different airports might affect flight cost and travel time.

  • Airports in Porto: Only Porto operates here.
  • Airports in Knoxville: Knoxville - McGhee Tyson is the only functioning airport.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Plan your journey from Porto to Knoxville with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Porto to Knoxville.

How much does an airline ticket from Porto to Knoxville cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Porto to Knoxville.

How far is Porto from Knoxville?

Porto is about 3959 mi from Knoxville.

What are the airports in Knoxville?

Knoxville has one airport: Knoxville - McGhee Tyson.

What are the airports in Porto?

Porto has one airport: Porto.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Porto to Knoxville?

The best time to book a flight from Porto to Knoxville is 7 months in advance, while the worst time is 31 weeks in advance.

What is the cheapest month to fly from Porto to Knoxville?

This information is not available at the moment.

What is the most expensive month to fly from Porto to Knoxville?

This information is not available at the moment.

What is the best day of the week to fly from Porto to Knoxville?

This information is not available at the moment.