$393+ Cheap flights from Knoxville (TYS) to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Knoxville to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Portugal
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Portugal (PT0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.
Round-trip from | $559 (Finnair) |
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Find flight deals from Knoxville to Portugal
Cheapest flights from Knoxville to PortugalExplore the most affordable flight options available from Knoxville to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
Explore the most affordable flight options available from Knoxville to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 1/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/16. 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.
This Air France deal was found by Cheapflights users on 1/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France deal was found by Cheapflights users on 1/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 1/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 1/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 1/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Knoxville to Portugal within your budget
Customize your flight search to find flights from Knoxville to Portugal 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 January 17, 2025.
Fly from
Fly to
Route
Depart
Return
Price
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Mon 3/3
6:30 pm-9:05 am
1 stop9h 35m
Lisbon Humberto Delgado
Wed 3/12
6:30 am-10:28 pm
2 stops19h 58m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Mon 3/3
12:03 pm-9:05 am
2 stops16h 02m
Lisbon Humberto Delgado
Wed 3/12
11:15 am-12:03 am
2 stops16h 48m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Mon 3/3
12:08 pm-9:00 am
2 stops15h 52m
Lisbon Humberto Delgado
Wed 3/12
10:00 am-11:42 pm
2 stops17h 42m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Fri 3/28
7:20 pm-8:20 am
2 stops33h 00m
Lisbon Humberto Delgado
Wed 4/9
5:05 am-10:22 pm
2 stops22h 17m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Tue 4/1
12:09 pm-10:55 pm
2 stops29h 46m
Lisbon Humberto Delgado
Fri 4/11
6:35 am-11:56 pm
2 stops22h 21m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Mon 4/7
12:55 pm-10:45 am
2 stops16h 50m
Lisbon Humberto Delgado
Wed 4/23
12:45 pm-11:46 pm
2 stops16h 01m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Wed 4/9
12:55 pm-2:50 pm
2 stops20h 55m
Lisbon Humberto Delgado
Fri 4/25
5:40 am-9:29 pm
2 stops20h 49m
KnoxvilleLisbon
TYS - LIS
TYSLIS
Knoxville McGhee Tyson
Tue 4/1
9:55 am-10:30 am
1 stop19h 35m
Lisbon Humberto Delgado
Sun 4/13
4:15 pm-11:59 pm
2 stops36h 44m
KnoxvilleFaro
TYS - FAO
TYSFAO
Knoxville McGhee Tyson
Sat 4/26
8:51 am-9:40 pm
3 stops31h 49m
Faro
Sun 5/4
7:00 am-10:18 pm
3 stops44h 18m
KnoxvilleFaro
TYS - FAO
TYSFAO
Knoxville McGhee Tyson
Fri 4/18
3:09 pm-12:30 pm
2 stops16h 21m
Faro
Mon 4/28
4:50 pm-11:21 pm
2 stops35h 31m
Best time to book a flight from Knoxville to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Knoxville with our price prediction graph.
Travel insights for flights from Knoxville to Portugal
Get recent, data-driven insights about flights from Knoxville to Portugal including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Knoxville to Portugal?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Portugal (average of $612). Flying from Knoxville to Portugal in June is currently the most expensive (average of $1,247). 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.
What is the cheapest time of day to fly from TYS to PT?
Find hourly flight availability from Knoxville to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Portugal as you normally would.
Rainfall in Portugal by month
Plan your trip to Portugal by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.
Temperature in Portugal by month
Plan your trip to Portugal by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated January 17, 2025.
Read reviews from past customers who have flown United Airlines, Air Canada and KLM from Knoxville to Portugal. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.