Cheap flights from Knoxville (TYS) to Lisbon (LIS) from $484

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — LIS
May 14 — May 211

The best prices from Knoxville McGhee Tyson to Lisbon Humberto Delgado are usually found in January or February, booked 18 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Knoxville to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Lisbon (LIS). 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 May 9, 2024.

Popular in

May

Cheapest in

January

Average price

$1,564

Round-trip from

$599
High demand for flights, 26% potential price rise
Best time to find cheap flights, 48% potential price drop
Average for round-trip flights in May 2024
From Knoxville McGhee Tyson to Lisbon Humberto Delgado

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

Monday is generally a great day to depart. Flying on this day could help you save up to 58%.

How far in advance should I book a flight from Knoxville to Lisbon?

To save on the cost of your flight from Knoxville to Lisbon, book at least 15 days before your planned departure. Booking around this time can save you about 77% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $745 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,637.

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

Flights from Knoxville to Lisbon lean towards being more expensive in May. Prices are generally better when you fly from Knoxville to Lisbon in January, with the cheapest ticket starting at $535.

When is the cheapest time to fly from Knoxville to Lisbon (TYS - 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 at noon, which can drop the price by up to 25% versus a flight in the afternoon.

Cheap United Airlines flights from Knoxville to Lisbon

Explore cheap flight options specifically provided by United Airlines for the route between Knoxville and Lisbon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Knoxville to Lisbon. Come back soon if you're not finding the exact deal you're looking for.
Wed 9/257:20 pmTYS - LIS
1 stop10h 10mUnited Airlines
Wed 10/910:25 amLIS - TYS
2 stops18h 15mUnited Airlines
Deal found 5/9$811
Wed 9/257:20 pmTYS - LIS
1 stop10h 10mUnited Airlines
Wed 10/912:20 pmLIS - TYS
1 stop16h 20mUnited Airlines
Deal found 5/9$937
Mon 7/159:50 amTYS - LIS
2 stops17h 30mUnited Airlines
Wed 7/2410:25 amLIS - TYS
2 stops18h 18mUnited Airlines
Deal found 5/9$1,007
Sun 7/149:50 amTYS - LIS
1 stop19h 40mUnited Airlines
Wed 7/2410:25 amLIS - TYS
2 stops18h 18mUnited Airlines
Deal found 5/9$1,107
Mon 7/155:50 amTYS - LIS
1 stop23h 40mUnited Airlines
Tue 7/2310:25 amLIS - TYS
2 stops18h 18mUnited Airlines
Deal found 5/9$1,114
Sat 7/1310:55 amTYS - LIS
2 stops16h 25mUnited Airlines
Wed 7/2410:25 amLIS - TYS
2 stops18h 18mUnited Airlines
Deal found 5/9$1,202
Sun 7/1410:55 amTYS - LIS
2 stops16h 25mUnited Airlines
Tue 7/2310:25 amLIS - TYS
2 stops18h 18mUnited Airlines
Deal found 5/9$1,210

Cheap Air Canada flights from Knoxville to Lisbon

Explore cheap flight options specifically provided by Air Canada for the route between Knoxville and Lisbon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from Knoxville to Lisbon. Deals are refreshing constantly so come back soon for more options.
Mon 7/155:50 amTYS - LIS
2 stops22h 30mAir Canada
Tue 7/2311:25 amLIS - TYS
2 stops28h 00mAir Canada
Deal found 5/9$903
Mon 7/155:50 amTYS - LIS
2 stops22h 30mAir Canada
Mon 7/2211:25 amLIS - TYS
2 stops28h 00mAir Canada
Deal found 5/9$1,054

Cheap Knoxville to Lisbon flights in May & June 2024

Find cheap flight options from Knoxville to Lisbon specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 9, 2024.
The lowest fares we've come across on flights traveling from Knoxville to Lisbon in May and June 2024. Check back in a little while for more flight options.
Sat 5/111:59 pmTYS - LIS
2 stops12h 56mMultiple Airlines
Mon 5/136:25 pmLIS - TYS
2 stops21h 38mMultiple Airlines
Deal found 5/7$1,939
Sat 5/111:59 pmTYS - LIS
2 stops12h 56mMultiple Airlines
Mon 5/1311:35 amLIS - TYS
3 stops28h 28mMultiple Airlines
Deal found 5/7$1,964
Sat 5/1110:00 amTYS - LIS
1 stop19h 35mLufthansa
Mon 5/1312:20 pmLIS - TYS
1 stop12h 04mLufthansa
Deal found 5/7$2,218
Sat 5/1110:00 amTYS - LIS
1 stop19h 35mUnited Airlines
Mon 5/1311:25 amLIS - TYS
2 stops30h 57mUnited Airlines
Deal found 5/7$2,268

Knoxville to Lisbon 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Lisbon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
The lowest fares we've come across on flights traveling from Knoxville to Lisbon in May and June 2024. Check back in a little while for more flight options.
Sat 11/236:30 pmTYS - LIS
2 stops33h 30mAir France
Sun 12/14:05 pmLIS - TYS
2 stops34h 23mAir France
Deal found 5/9$759
Wed 9/253:00 pmTYS - LIS
2 stops18h 05mMultiple Airlines
Wed 10/98:45 pmLIS - TYS
2 stops28h 44mMultiple Airlines
Deal found 5/8$791
Wed 9/257:20 pmTYS - LIS
1 stop10h 10mUnited Airlines
Wed 10/910:25 amLIS - TYS
2 stops18h 15mUnited Airlines
Deal found 5/8$811
Tue 9/177:20 pmTYS - LIS
2 stops21h 20mLufthansa
Wed 10/25:05 amLIS - TYS
2 stops23h 35mLufthansa
Deal found 5/8$851
Sun 12/225:48 pmTYS - LIS
2 stops37h 22mBritish Airways
Tue 12/317:05 amLIS - TYS
2 stops18h 28mBritish Airways
Deal found 5/8$887
Mon 7/155:50 amTYS - LIS
2 stops22h 30mAir Canada
Tue 7/2311:25 amLIS - TYS
2 stops28h 00mAir Canada
Deal found 5/9$903
Sun 7/146:13 pmTYS - LIS
2 stops24h 02mBritish Airways
Mon 7/226:45 pmLIS - TYS
2 stops27h 52mBritish Airways
Deal found 5/9$919
Wed 9/259:50 amTYS - LIS
1 stop19h 40mUnited Airlines
Wed 10/912:20 pmLIS - TYS
1 stop16h 20mUnited Airlines
Deal found 5/8$937
Mon 7/159:50 amTYS - LIS
2 stops17h 30mUnited Airlines
Wed 7/2410:25 amLIS - TYS
2 stops18h 18mUnited Airlines
Deal found 5/9$1,007

One-way flights to Lisbon from Knoxville

Search for one-way flight options from Knoxville to Lisbon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Users traveling one-way from Knoxville to Lisbon can select one of these great deals. Those seeking round-trip flights from Knoxville to Lisbon should utilize the search form at the the top of the page.
Mon 6/248:10 amTYS - LIS
3 stops44h 45mMultiple Airlines
Deal found 5/8$484
Tue 6/258:10 amTYS - LIS
2 stops29h 15mMultiple Airlines
Deal found 5/8$525
Sun 6/233:20 pmTYS - LIS
2 stops26h 50mMultiple Airlines
Deal found 5/8$528
Sun 6/238:00 amTYS - LIS
3 stops58h 25mMultiple Airlines
Deal found 5/8$529
Mon 6/248:10 amTYS - LIS
2 stops33h 25mMultiple Airlines
Deal found 5/8$539
Sat 6/227:10 amTYS - LIS
2 stops34h 25mMultiple Airlines
Deal found 5/8$546
Wed 6/268:10 amTYS - LIS
2 stops33h 25mMultiple Airlines
Deal found 5/8$557
Tue 6/2510:00 amTYS - LIS
3 stops41h 35mMultiple Airlines
Deal found 5/8$579
Mon 6/248:10 amTYS - LIS
1 stop20h 50mMultiple Airlines
Deal found 5/8$588

Find flights from Knoxville to Lisbon within your budget

Customize your flight search to find flights from Knoxville to Lisbon 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 2,717,708 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$791 - $1,641

Route

Depart

Return

Price

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

2 stops18h 05m

Lisbon Humberto Delgado

Wed 10/9

2 stops28h 44m

$791

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

1 stop10h 10m

Lisbon Humberto Delgado

Wed 10/9

2 stops18h 15m

$811

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 7/15

2 stops22h 30m

Lisbon Humberto Delgado

Tue 7/23

2 stops28h 00m

$903

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sun 7/14

2 stops24h 02m

Lisbon Humberto Delgado

Mon 7/22

2 stops27h 52m

$919

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

1 stop10h 10m

Lisbon Humberto Delgado

Wed 10/9

1 stop16h 20m

$937

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sun 7/14

2 stops20h 35m

Lisbon Humberto Delgado

Wed 7/24

2 stops21h 13m

$1,130

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 7/15

2 stops14h 19m

Lisbon Humberto Delgado

Sun 7/21

2 stops16h 43m

$1,318

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sun 7/14

1 stop21h 35m

Lisbon Humberto Delgado

Mon 7/22

1 stop11h 32m

$1,348

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sat 7/13

2 stops15h 15m

Lisbon Humberto Delgado

Sun 7/21

2 stops16h 43m

$1,641

Flights are sorted by cheapest first

Deals found on 5/9

When is the best time to book a flight from Knoxville to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Lisbon. Price data was last updated on May 3, 2024.
The price you pay for your flight from Knoxville to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time 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 May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to Lisbon flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Lisbon by month

Plan your trip from Knoxville to Lisbon by taking into account the cheapest months to travel. The average price of a one-way flight from Knoxville to Lisbon is currently $542 while a round-trip flight costs $1,089. Price data was last updated on May 5, 2024.

Currently, December is the cheapest month in which you can book a flight from Knoxville to Lisbon (average of $599). Flying from Knoxville to Lisbon in June is currently the most expensive (average of $1,227). 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.

January

$621

February

$635

March

$701

April

$752

May

$951

June

$1,227

July

$1,104

August

$935

September

$915

October

$741

November

$606

December

$599

Temperature and rainfall in Lisbon by month

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

LIS

Temperature

51.8 - 73.4 °F

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated May 9, 2024.
Read reviews from past customers who have flown United Airlines, Air Canada and British Airways from Knoxville to Lisbon. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,778 reviews

Crew

8.6

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,778 reviews
8.0
Very good
10,778 reviews

Crew

8.6

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
1,778 reviews
8.0
Very good
10,778 reviews

Crew

8.6

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
11,027 reviews
8.0
Very good
10,778 reviews

Crew

8.6

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,665 reviews
8.0
Very good
10,778 reviews

Crew

8.6

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.0
Good
6,926 reviews
8.0
Very good
10,778 reviews

Crew

8.6

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.
  • Can I find flights from Knoxville to Lisbon for under $800 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Lisbon for under $800. The cheapest flight booked recently is on Multiple Airlines for just $791, but on average you can expect to pay $1,069.

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

    Currently priced at $811, United Airlines will fly you from Knoxville to Lisbon and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and British Airways - these airlines can fly you to your destination from $903 and $919, respectively. You may be able to fly from Knoxville to Lisbon for 30% 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 ($871), American Airlines ($975), and Delta ($985).

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

  • What does TYS to LIS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Knoxville McGhee Tyson Airport to Lisbon Humberto Delgado Airport flight would often be abbreviated as a TYS to LIS flight.

  • Can I find deals for flights from Knoxville to Lisbon that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Lisbon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Lisbon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Lisbon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Knoxville to Lisbon that allow pets onboard?

    Many airlines flying from Knoxville to Lisbon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Lisbon?

    Yes, you can often find last-minute deals on Knoxville to Lisbon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Lisbon flight deals updated?

    The Knoxville to Lisbon flight deals you see on this page were last updated on 5/9.

See more FAQs

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.

Top 4 airlines flying from Knoxville to Lisbon

Discover the top 4 airlines that operate flights from Knoxville to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$545Average$1,268FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$573Average$1,225FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$637Average$995FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$816Average$1,538FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Knoxville to Lisbon by cabin class

Find flights from Knoxville to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to Lisbon?

When you search for this flight from Knoxville to Lisbon, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to Lisbon?

Cheapflights simply makes it quick and affordable to book flights from Knoxville to Lisbon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Knoxville to Lisbon with no change fees?

Need flexible booking options for your flight to Lisbon from Knoxville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Knoxville to Lisbon become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.