$905+ 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
Nov 29 — Dec 61
1 adult, Economy
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Cheapest flights from Knoxville to PortimãoExplore 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 October 30, 2025.
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 October 30, 2025.
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/192:25 pmTYS - FAO
2 stops16h 15mUnited Airlines
Sun 11/231:30 pmFAO - TYS
2 stops38h 25mUnited Airlines
Deal found 10/27![United Airlines logo]()
$905
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 October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $905 (United Airlines) |
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 October 30, 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
2:25 pm-11:40 am
2 stops16h 15m
Faro
Sun 11/23
1:30 pm-10:55 pm
2 stops38h 25m
$905
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 October 30, 2025.
A simple way to save on the total cost of your ticket is to fly from Knoxville to Portimão in the afternoon. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the evening.