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Portimão

$770+ Cheap flights from Knoxville (TYS) to Portimão, Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FAO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Knoxville to Portimão

Keep the following information in mind while searching for Knoxville to Portimão flight deals. Data was last updated September 16, 2025.

Round-trip from

$770
(United Airlines)
From Knoxville McGhee Tyson to Portimão
Search Deals

Find flight deals from Knoxville to Portimão

Cheapest flights from Knoxville to Portimão
Explore the most affordable flight options available from Knoxville to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:26 amTYS - FAO
2 stops22h 54mUnited Airlines
Sun 11/231:30 pmFAO - TYS
2 stops39h 29mUnited Airlines
Deal found 9/15$770
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:17 pmTYS - FAO
2 stops20h 33mBritish Airways
Tue 10/213:35 pmFAO - TYS
2 stops29h 36mBritish Airways
Deal found 9/16$802
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:14 pmTYS - FAO
2 stops19h 56mMultiple Airlines
Tue 10/213:35 pmFAO - TYS
3 stops23h 38mMultiple Airlines
Deal found 9/16$972

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Portimão that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Knoxville to Portimão that are best for you.

Fly from

Knoxville

Fly to

Portimão

Route

Depart

Return

Price

KnoxvilleFaro

TYS - FAO

TYSFAO

Knoxville McGhee Tyson

Wed 11/19

8:26 am-12:20 pm

2 stops22h 54m

Faro

Sun 11/23

1:30 pm-11:59 pm

2 stops39h 29m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Knoxville to Portimão

Have a flexible travel schedule? Discover the best time to fly to Portimão from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Portimão

What is the cheapest time of day to fly from TYS to P0T?

Find hourly flight availability from Knoxville to Portimão. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Portimão as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Portimão. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Portimão?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson is the airport most travelers will use when flying to Portimão from Knoxville. Booking flights from McGhee Tyson (TYS) to Portimão should be relatively easy as there are 0 daily outbound flights to Portimão from 0 different airlines.

  • How long is the flight from Knoxville to Portimão?

    For as low as $770, United Airlines can have you in Portimão from Knoxville in 22h 54m. Airlines will cover a distance of 4103 mi.

  • Can I find deals for flights from Knoxville to Portimão that include hotel bookings?

    Yes. In addition to deals on Knoxville to Portimão flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Portimão?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Portimão.

  • Can I find deals for business class flights from Knoxville to Portimão?

    Yes. Cheapflights offers flight deals from Knoxville to Portimão by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Portimão?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to Portimão (average of $628). Flying from Knoxville to Portimão in June is currently the most expensive (average of $1,329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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