What are the cheapest airlines flying from Knoxville to Lisbon round-trip?

Currently priced at $568, American Airlines will fly you from Knoxville to Lisbon and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from $569 and $595, respectively. You may be able to fly from Knoxville to Lisbon for 43% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Knoxville to Lisbon one-way?

The cheapest airlines for a one-way flight from Knoxville to Lisbon are Lufthansa ($1,935), British Airways ($3,079), and Air Canada ($3,268).

What are the most popular airlines that fly from Knoxville to Lisbon?

The most popular airlines flying from Knoxville to Lisbon are American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Knoxville to Lisbon?

Sunday is generally a great day to depart. Flying on this day could help you save up to 52%.

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

Flights from Knoxville to Lisbon lean towards being more expensive in June. Prices are generally better when you fly from Knoxville to Lisbon in January, with the cheapest ticket starting at $550.

Most accurate provider : When it comes to deals on Knoxville-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Lisbon flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Knoxville-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Knoxville to Lisbon?

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

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

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

$568+ Flights from Knoxville to Lisbon

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Cheap flight deals from Knoxville to Lisbon

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$568 (American Airlines)
Popular in	June
Cheapest in	January
Average price	$673

Provider with most accurate pricing for Knoxville McGhee Tyson-Lisbon Humberto Delgado flight deals.

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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Lisbon Humberto Delgado flights.

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From Knoxville McGhee Tyson to Lisbon Humberto Delgado

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High demand for flights, 34% potential price rise

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Best time to find cheap flights, 6% potential price drop

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Average for round-trip flights in December 2024

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Find flight deals from Knoxville to Lisbon

Cheapest flights from Knoxville to Lisbon
Explore the most affordable flight options available from Knoxville to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2024.

Sun 12/156:22 pmTYS - LIS

1 stop9h 33mAmerican Airlines

Tue 12/1711:10 amLIS - TYS

1 stop14h 28mAmerican Airlines

Deal found 12/11

$1,272

Sun 12/157:00 amTYS - LIS

2 stops20h 10mUnited Airlines

Tue 12/1711:00 amLIS - TYS

2 stops35h 05mUnited Airlines

Deal found 12/11

$1,274

Sun 12/158:30 amTYS - LIS

3 stops32h 45mMultiple Airlines

Tue 12/179:15 amLIS - TYS

2 stops35h 52mMultiple Airlines

Deal found 12/11

$1,283

Best flights from Knoxville to Lisbon
Discover carefully curated flight deals from Knoxville to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2024.

Mon 3/37:58 amTYS - LIS

1 stop20h 07mAmerican Airlines

Wed 3/126:30 amLIS - TYS

2 stops19h 14mAmerican Airlines

Deal found 12/11

$568

Mon 3/311:43 amTYS - LIS

2 stops22h 12mBritish Airways

Wed 3/126:30 amLIS - TYS

2 stops19h 14mBritish Airways

Deal found 12/11

$569

Wed 3/265:30 amTYS - LIS

2 stops22h 30mDelta

Mon 3/3110:00 amLIS - TYS

2 stops18h 45mDelta

Deal found 12/12

$595

Wed 3/267:25 pmTYS - LIS

2 stops33h 30mAir France

Mon 3/3110:00 amLIS - TYS

2 stops18h 45mAir France

Deal found 12/11

$658

Tue 1/71:59 pmTYS - LIS

2 stops38h 21mUnited Airlines

Sat 1/1811:00 amLIS - TYS

2 stops32h 43mUnited Airlines

Deal found 12/11

$672

Sat 1/115:45 amTYS - LIS

2 stops22h 35mAir Canada

Sat 1/1811:00 amLIS - TYS

2 stops37h 36mAir Canada

Deal found 12/12

$717

Tue 4/152:20 pmTYS - LIS

2 stops14h 00mMultiple Airlines

Thu 4/2411:25 amLIS - TYS

3 stops17h 19mMultiple Airlines

Deal found 12/12

$1,000

Last-minute flights from Knoxville to Lisbon
Discover last-minute flight deals from Knoxville to Lisbon. Data last updated December 12, 2024 and is based on user searches.

Sun 12/158:30 amTYS - LIS

3 stops32h 45mMultiple Airlines

Tue 12/179:15 amLIS - TYS

2 stops35h 52mMultiple Airlines

Deal found 12/11

$1,283

Tue 1/71:59 pmTYS - LIS

2 stops38h 21mUnited Airlines

Sat 1/1811:00 amLIS - TYS

2 stops32h 43mUnited Airlines

Deal found 12/11

$672

Thu 1/96:15 pmTYS - LIS

1 stop9h 50mAmerican Airlines

Fri 1/1711:05 amLIS - TYS

1 stop14h 44mAmerican Airlines

Deal found 12/11

$669

Thu 1/96:51 pmTYS - LIS

2 stops18h 09mBritish Airways

Fri 1/1711:05 amLIS - TYS

1 stop14h 44mBritish Airways

Deal found 12/11

$673

Sat 1/115:45 amTYS - LIS

2 stops22h 35mAir Canada

Sat 1/1811:00 amLIS - TYS

2 stops37h 36mAir Canada

Deal found 12/12

$717

One-way flights from Knoxville to Lisbon
Search for one-way flight options from Knoxville to Lisbon. Find affordable one-way fares based on user searches. Data last updated December 12, 2024.

Sat 4/195:25 pmTYS - LIS

2 stops23h 25mLufthansa

Deal found 12/11

$1,935

Sat 4/196:16 pmTYS - LIS

1 stop9h 49mBritish Airways

Deal found 12/11

$3,079

Sat 4/199:55 amTYS - LIS

3 stops18h 25mAir Canada

Deal found 12/11

$3,268

Find flights from Knoxville to Lisbon within your budget

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 3/3

7:58 am-9:05 am

1 stop20h 07m

Lisbon Humberto Delgado

Wed 3/12

6:30 am-9:44 pm

2 stops19h 14m

$568

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 3/3

11:43 am-2:55 pm

2 stops22h 12m

Lisbon Humberto Delgado

Wed 3/12

6:30 am-9:44 pm

2 stops19h 14m

$569

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 3/26

5:30 am-8:00 am

2 stops22h 30m

Lisbon Humberto Delgado

Mon 3/31

10:00 am-11:45 pm

2 stops18h 45m

$595

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 3/26

7:25 pm-8:55 am

2 stops33h 30m

Lisbon Humberto Delgado

Mon 3/31

10:00 am-11:45 pm

2 stops18h 45m

$658

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 1/7

1:59 pm-9:20 am

2 stops38h 21m

Lisbon Humberto Delgado

Sat 1/18

11:00 am-2:43 pm

2 stops32h 43m

$672

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sat 1/11

5:45 am-9:20 am

2 stops22h 35m

Lisbon Humberto Delgado

Sat 1/18

11:00 am-7:36 pm

2 stops37h 36m

$717

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 4/15

2:20 pm-9:20 am

2 stops14h 00m

Lisbon Humberto Delgado

Thu 4/24

11:25 am-11:44 pm

3 stops17h 19m

$1,000

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sat 4/19

5:25 pm-9:50 pm

2 stops23h 25m

$1,935

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sat 4/19

6:16 pm-9:05 am

1 stop9h 49m

$3,079

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sat 4/19

9:55 am-9:20 am

3 stops18h 25m

$3,268

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Knoxville to Lisbon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Lisbon in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Knoxville-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Lisbon flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Knoxville-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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.

Travel insights for flights from Knoxville to Lisbon

Get recent, data-driven insights about flights from Knoxville to Lisbon including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Knoxville to Lisbon (average of $612). Flying from Knoxville to Lisbon in June is currently the most expensive (average of $1,180). 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 LIS?

When flying from Knoxville to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 36% versus a flight in the afternoon.

What is the cheapest day to fly from Knoxville to Lisbon?

Travelers seeking maximum savings on their Knoxville to Lisbon flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lisbon by month

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

If weather is an important factor for your trip to Lisbon, 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 Lisbon

Delta

8.0

Very good

8,644 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,644 reviews

Delta

8.0

Very good

8,644 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,511 reviews

Delta

8.0

Very good

8,644 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

9,106 reviews

Delta

8.0

Very good

8,644 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,644 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,335 reviews

Delta

8.0

Very good

8,644 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Knoxville to Lisbon round-trip?
Currently priced at $568, American Airlines will fly you from Knoxville to Lisbon and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from $569 and $595, respectively. You may be able to fly from Knoxville to Lisbon for 43% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Knoxville to Lisbon one-way?
The cheapest airlines for a one-way flight from Knoxville to Lisbon are Lufthansa ($1,935), British Airways ($3,079), and Air Canada ($3,268).
Can I find deals for flights from Knoxville to Lisbon that include hotel bookings?
Yes. In addition to deals on Knoxville to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Knoxville to Lisbon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Lisbon.
Can I find deals for business class flights from Knoxville to Lisbon?
Yes. Cheapflights offers flight deals from Knoxville to Lisbon 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 Lisbon?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Lisbon (average of $612). Flying from Knoxville to Lisbon in June is currently the most expensive (average of $1,180). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Knoxville to Lisbon

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Other flights to Lisbon

Top 4 airlines flying from Knoxville to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$578	Average$742	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$584	Average$824	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$588	Average$1,183	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$639	Average$1,124	FlexibilityNo cancel fee	On-time71%

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$568+ Cheap flights from Knoxville (TYS) to Lisbon (LIS)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Lisbon

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to Lisbon

Cheapest flights from Knoxville to LisbonExplore the most affordable flight options available from Knoxville to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2024.

Explore the most affordable flight options available from Knoxville to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2024.

Find flights from Knoxville to Lisbon within your budget

Compare providers for flights from Knoxville to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Lisbon in December.

Best time to book a flight from Knoxville to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Knoxville with our price prediction graph.

Travel insights for flights from Knoxville to Lisbon

Get recent, data-driven insights about flights from Knoxville to Lisbon including ideal travel times, pricing trends, and more.

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

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

Find hourly flight availability from Knoxville to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2024.

What is the cheapest day to fly from Knoxville to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Lisbon. Price data was last updated on December 8, 2024.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

Reviews of airlines servicing Lisbon

Related info for your journey

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

What are the cheapest airlines flying from Knoxville to Lisbon round-trip?

What are the cheapest airlines to fly from Knoxville to Lisbon one-way?

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

How can I find direct flights from Knoxville to Lisbon?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Knoxville to Lisbon

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Cheapest flights from Knoxville to Lisbon
Explore the most affordable flight options available from Knoxville to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2024.