TYS - LIS

$727 Find Cheap Flights from Knoxville to Lisbon - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$727
Typical prices: $633-$1,486
United Airlines
Thu 2/1Mon 2/5
TYS - LIS • 1 stop
When to travel
January
Cheapest • 50% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Philadelphia (PHL)
Cheapest • Avg $937 (round-trip)
Washington, D.C. Dulles Intl (IAD)
Shortest trip • 12h 17m (one-way)
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Flight Deals

Cheap Flights from Knoxville to Lisbon (TYS-LIS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Lisbon

Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
12:20 pm - 8:10 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
14h 50m1 stop Newark
United Airlines Logo
10:55 am - 7:51 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
37h 56m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$727United Airlines
Mon, Feb 1 - Fri, Feb 5
Air Canada Logo
9:45 am - 9:20 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
18h 35m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:55 am - 7:51 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
37h 56m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$730Air Canada
Mon, Feb 1 - Fri, Feb 5
Air Canada Logo
9:45 am - 9:20 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
18h 35m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:55 am - 7:51 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
37h 56m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$731Air Canada
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
12:20 pm - 8:10 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
14h 50m1 stop Newark
United Airlines Logo
10:15 am - 7:51 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
14h 36m1 stop Newark
$747United Airlines
Wed, Feb 17 - Sat, Feb 20
British Airways Logo
3:55 pm - 9:05 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
12h 10m1 stop Philadelphia
British Airways Logo
11:05 am - 8:52 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
14h 47m1 stop Philadelphia
$773British Airways
Wed, Feb 17 - Sat, Feb 20
Multiple Airlines Logo
3:55 pm - 9:05 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
12h 10m1 stop Philadelphia
Multiple Airlines Logo
6:30 am - 7:30 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
18h 00m2 stops Madrid Barajas Charlotte Douglas
$773Multiple Airlines
Sun, Feb 14 - Sun, Feb 21
United Airlines Logo
6:15 am - 8:10 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
20h 55m1 stop Newark
United Airlines Logo
10:40 am - 8:43 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
39h 03m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$777United Airlines
Sun, Feb 14 - Sun, Feb 21
United Airlines Logo
9:40 am - 8:10 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
17h 30m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
10:40 am - 8:43 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
39h 03m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$782United Airlines
Sun, Feb 14 - Sun, Feb 21
British Airways Logo
7:40 am - 9:05 amTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
20h 25m1 stop Philadelphia
British Airways Logo
11:05 am - 8:52 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
14h 47m1 stop Philadelphia
$797British Airways
Thu, Feb 11 - Sun, Feb 21
British Airways Logo
11:49 am - 6:05 pmTYS  Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado
25h 16m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:05 am - 8:52 pmLIS  Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson
14h 47m1 stop Philadelphia
$846British Airways
Booking Insights

Price, demand and travel trends for Knoxville to Lisbon flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Knoxville to Lisbon?

Round-trip flights from Knoxville to Lisbon typically range from $633 to $1,486. The lowest price found in the past 5 days was $727, on United Airlines.

What's the cheapest day of the week to fly from Knoxville to Lisbon?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Knoxville to Lisbon. It’s 42% cheaper than the average day, while Friday is the most expensive, with prices 45% higher.

What’s the cheapest month to fly from Knoxville to Lisbon?

•January is the cheapest month to fly from Knoxville to Lisbon at $505 round-trip.
•June ($1,525) and October ($1,505) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 201% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Knoxville to Lisbon flights

Low season

September

Cheapest flight

$727
Beat the crowds with an average 48% drop in travelers.
The most popular month to fly with an average 65% increase in travelers.
Round-trip flight from Knoxville to Lisbon

When to book flights from Knoxville to Lisbon

Are your dates flexible? Find out the best times to travel from Knoxville to Lisbon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Knoxville to Lisbon flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Knoxville to Lisbon?

    Four cabin classes are available on flights from Knoxville to Lisbon:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Knoxville to Lisbon?

    There are currently no nonstop flights available from Knoxville to Lisbon. Flights with 1 layover take between 12h 17m and 13h 15m in total, depending on the connection.

  • Do I need a passport to fly from Knoxville to Lisbon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Knoxville to Lisbon flight?

    Round-trip flights from Knoxville to Lisbon range from $633 to $1,486, with an average of $1,007 over the past 12 months. Anything below $633 counts as a good deal.

  • What car rental options are available at Lisbon Humberto Delgado Airport (LIS)?

    Lisbon Humberto Delgado Airport (LIS) hosts 5 major car rental companies, with daily rates averaging $23 for economy cars. Top options include:

    • Klass Wagen
    • Goldcar Rental SP
    • Drive on Holiday
    • GREEN MOTION
    • Guerin

  • Which airports can I use when flying from Knoxville to Lisbon?

    Flights from Knoxville to Lisbon usually depart from Knoxville McGhee Tyson (TYS) and arrive at Lisbon Humberto Delgado (LIS).

  • Which airports do connecting flights from Knoxville to Lisbon pass through?

    Connecting flights from Knoxville to Lisbon most commonly pass through:

    • Philadelphia (PHL) - 59% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 41% of one-stop connections

  • Can I save money by using flexible dates for flights from Knoxville to Lisbon?

    Yes. Flexible dates can save you up to 60% on flights from Knoxville to Lisbon. Wednesday is the cheapest departure day at $592 round-trip on average, while Friday is the most expensive at $1,468, a difference of $876.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Knoxville to Lisbon?

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 12h 17m, compared with 13h 15m via Philadelphia (PHL).

  • What is the time difference between Knoxville and Lisbon?

    Lisbon is 5 hours ahead of Knoxville (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Lisbon?

    Some of the most popular sights in Lisbon are Chiado, Commerce Square and Praça dos Restauradores. These are among the most viewed places in Lisbon on KAYAK.

Your guide to booking Knoxville to Lisbon flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $592, about $876 less than Friday fares (60% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Knoxville to Lisbon trip for January. Fares historically average $505 round-trip in that month - typically $1,020 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lisbon Humberto Delgado Airport.

    • Ibis Styles Lisboa Aeroporto
    • B&B Hotel Lisboa Aeroporto
    • Masa Hotel Wellness & Spa Campo Grande Lisbon

More options for your flight from Knoxville to Lisbon

Complete your trip to Lisbon with a hotel stay or car rental

Car rentals in Lisbon
Hotels in Lisbon
Vacations in Lisbon