How long is the flight from Tennessee to Portugal?

Average flight duration from Tennessee to Portugal depends on which airport you fly into and out of. Flying from Knoxville to Lisbon is 9h 12m on average, while flying from Nashville to Lisbon is 11h 30m on average. Lisbon is the most popular airport in Portugal.

What is the cheapest airline that flies from Tennessee to Portugal?

KLM, United Airlines, and Air Canada are the most popular carriers operating from Tennessee to Portugal

What airlines fly to Portugal?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Portugal from Tennessee according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 8 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Tennessee to Portugal?

Prices for flights from Tennessee to Portugal are updated daily.

How many operators does momondo search for flights from Tennessee to Portugal?

As of December 2025, there are 8 operators available to choose from for flights from Tennessee to Portugal.

How old do you have to be to fly from Tennessee to Portugal?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tennessee to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$327 Cheap Flights from Tennessee to Portugal in 2025/26

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Find the cheapest flights from Tennessee to Portugal

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:09 pm - 8:10 am

BNA

LIS

13h 01m1 stop

5:00 am - 7:01 pm

LIS

BNA

20h 01m2 stops

$436Lufthansa

Thu, Feb 5 - Thu, Feb 12

1:09 pm - 8:10 am

BNA

LIS

13h 01m1 stop

10:15 am - 10:32 pm

LIS

BNA

18h 17m1 stop

$463Lufthansa

Thu, Feb 5 - Thu, Feb 12

8:15 am - 7:55 am

BNA

LIS

17h 40m2 stops

8:20 am - 7:50 pm

LIS

BNA

17h 30m2 stops

$473Multiple Airlines

Thu, Feb 5 - Thu, Feb 12

6:25 pm - 10:25 pm

BNA

LIS

22h 00m1 stop

7:05 am - 4:15 pm

LIS

BNA

15h 10m1 stop

$484British Airways

Fri, Feb 6 - Fri, Feb 13

8:15 am - 9:20 am

BNA

LIS

19h 05m2 stops

10:50 am - 7:50 pm

LIS

BNA

15h 00m1 stop

$485Multiple Airlines

Tue, Jan 20 - Sun, Jan 25

1:09 pm - 8:10 am

BNA

LIS

13h 01m1 stop

10:50 am - 9:42 pm

LIS

BNA

40h 52m2 stops

$490United Airlines

Wed, Feb 4 - Sun, Feb 8

7:30 am - 9:30 am

BNA

OPO

21h 00m2 stops

6:00 am - 9:21 am

OPO

BNA

32h 21m2 stops

$491United Airlines

Sun, Mar 8 - Tue, Mar 17

7:30 am - 7:55 am

BNA

LIS

18h 25m2 stops

5:00 am - 1:16 pm

LIS

BNA

37h 16m2 stops

$494Air Canada

Thu, Mar 5 - Fri, Mar 13

7:30 am - 9:20 am

MEM

LIS

19h 50m2 stops

11:25 am - 3:28 pm

LIS

MEM

34h 03m2 stops

$577Air Canada

Sun, Apr 12 - Thu, Apr 23

8:44 pm - 5:55 pm

TYS

LIS

16h 11m2 stops

6:45 pm - 7:26 pm

LIS

TYS

29h 41m2 stops

$643British Airways

Mon, May 4 - Mon, May 11

Lufthansa flights from Tennessee to Portugal

Our best Lufthansa deals on Tennessee to Portugal flight tickets

Lufthansa

Feb 5

BNA1:09 pmNashville Intl

13h 01m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 12

LIS5:00 amLisbon Humberto Delgado

20h 01m

2 stops

BNA7:01 pmNashville Intl

$436

Find similar

Lufthansa

Feb 5

BNA1:09 pmNashville Intl

13h 01m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 12

LIS10:15 amLisbon Humberto Delgado

18h 17m

1 stop

BNA10:32 pmNashville Intl

$463

Find similar

Lufthansa

Mar 7

BNA6:19 pmNashville Intl

43h 36m

2 stops

LIS7:55 pmLisbon Humberto Delgado

Mar 15

LIS6:55 pmLisbon Humberto Delgado

51h 28m

2 stops

BNA5:23 pmNashville Intl

$514

Find similar

British Airways flights from Tennessee to Portugal

Our best British Airways deals on Tennessee to Portugal flight tickets

British Airways

Feb 6

BNA6:25 pmNashville Intl

22h 00m

1 stop

LIS10:25 pmLisbon Humberto Delgado

Feb 13

LIS7:05 amLisbon Humberto Delgado

15h 10m

1 stop

BNA4:15 pmNashville Intl

$484

Find similar

British Airways

Apr 18

BNA4:06 pmNashville Intl

18h 09m

2 stops

LIS4:15 pmLisbon Humberto Delgado

Apr 24

LIS6:55 pmLisbon Humberto Delgado

29h 30m

1 stop

BNA6:25 pmNashville Intl

$504

Find similar

British Airways

Mar 18

BNA1:58 pmNashville Intl

17h 12m

2 stops

LIS12:10 pmLisbon Humberto Delgado

Mar 23

LIS3:45 pmLisbon Humberto Delgado

37h 09m

2 stops

BNA11:54 pmNashville Intl

$507

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 2/5

1:09 pm-8:10 am

1 stop13h 01m

Lisbon Humberto Delgado

Thu 2/12

5:00 am-7:01 pm

2 stops20h 01m

$436

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 2/5

1:09 pm-8:10 am

1 stop13h 01m

Lisbon Humberto Delgado

Thu 2/12

10:15 am-10:32 pm

1 stop18h 17m

$463

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 2/5

8:15 am-7:55 am

2 stops17h 40m

Lisbon Humberto Delgado

Thu 2/12

8:20 am-7:50 pm

2 stops17h 30m

$473

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Fri 2/6

6:25 pm-10:25 pm

1 stop22h 00m

Lisbon Humberto Delgado

Fri 2/13

7:05 am-4:15 pm

1 stop15h 10m

$484

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 1/20

8:15 am-9:20 am

2 stops19h 05m

Lisbon Humberto Delgado

Sun 1/25

10:50 am-7:50 pm

1 stop15h 00m

$485

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 2/4

1:09 pm-8:10 am

1 stop13h 01m

Lisbon Humberto Delgado

Sun 2/8

10:50 am-9:42 pm

2 stops40h 52m

$490

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 3/8

7:30 am-9:30 am

2 stops21h 00m

Porto

Tue 3/17

6:00 am-9:21 am

2 stops32h 21m

$491

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 3/5

7:30 am-7:55 am

2 stops18h 25m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-1:16 pm

2 stops37h 16m

$494

MemphisLisbon

MEM - LIS

MEMLIS

Memphis

Sun 4/12

7:30 am-9:20 am

2 stops19h 50m

Lisbon Humberto Delgado

Thu 4/23

11:25 am-3:28 pm

2 stops34h 03m

$577

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 5/4

8:44 pm-5:55 pm

2 stops16h 11m

Lisbon Humberto Delgado

Mon 5/11

6:45 pm-7:26 pm

2 stops29h 41m

$643

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tennessee to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Tennessee is in January. Flight prices, which tend to average around $638, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Tennessee during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $642.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from Tennessee. The lowest ticket price found for a Monday departure recently was $859. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,068.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Tennessee to Portugal during this time can be as low as $872. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,009 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $920 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Tennessee for as low as $714 on momondo.

Can stopping save me money on Tennessee to Portugal flights?

You could potentially save up to 8% on your flight if you consider stops on a Tennessee to Portugal flight.

Cheap Tennessee to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tennessee to Portugal

Fastest flight time	9h 12m
Direct flights	None

The fastest flight from Tennessee to Portugal takes 9h 12m

There are no direct flights from Tennessee to Portugal. There are no popular flight routes from Tennessee to Portugal.

Search flight deals

When did momondo last update prices for flights from Tennessee to Portugal?
Prices for flights from Tennessee to Portugal are updated daily.
How many operators does momondo search for flights from Tennessee to Portugal?
As of December 2025, there are 8 operators available to choose from for flights from Tennessee to Portugal.
How old do you have to be to fly from Tennessee to Portugal?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tennessee to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Tennessee to Portugal

Compare and see reviews for airlines that fly from Tennessee to Portugal with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $477	Free Cancellation	Rating 6.7 7,607 reviews	Search British Airways flights
Air Canada	PriceFrom $537	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
United Airlines	PriceFrom $545	Free Cancellation	Rating 7.4 9,107 reviews	Search United Airlines flights
American Airlines	PriceFrom $568	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Delta	PriceFrom $603	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Air France	PriceFrom $638	Free Cancellation	Rating 7.4 1,513 reviews	Search Air France flights
Lufthansa	PriceFrom $777	Free Cancellation	Rating 6.8 7,649 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom $805	Free Cancellation	Rating 7.2 2,096 reviews	Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from Tennessee to Portugal?

It is quick and easy to find Tennessee to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

Can I find flights from Tennessee to Portugal with flexible booking policies on momondo?

Flights from Tennessee to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Tennessee to Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from Tennessee. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Tennessee to Portugal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Tennessee to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $385

Flights to Portofrom $348

Flights to Funchalfrom $421

Flights to Farofrom $421

Flights to Ponta Delgadafrom $411

Flights to Lajesfrom $471

Flights to Hortafrom $580

Flights to Pico Islandfrom $564

Flights to Porto Santofrom $551

Flights to Velasfrom $574

Cheap flights from Tennessee to Portugal from $327

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tennessee to Portugal departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Tennessee to Portugal

Cheap round-trip flights

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Lufthansa flights from Tennessee to Portugal

Our best Lufthansa deals on Tennessee to Portugal flight tickets

British Airways flights from Tennessee to Portugal

Our best British Airways deals on Tennessee to Portugal flight tickets

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Use the filters below to find and compare flights from Tennessee to Portugal that are best for you.

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How to get the cheapest flight ticket from Tennessee to Portugal

What is the cheapest month to fly to Portugal?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Tennessee to Portugal during this time can be as low as $872. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,009 per ticket.

How far in advance should I book a flight to Portugal?

Can stopping save me money on Tennessee to Portugal flights?

You could potentially save up to 8% on your flight if you consider stops on a Tennessee to Portugal flight.

What is the cheapest airline that flies from Tennessee to Portugal?

KLM, United Airlines, and Air Canada are the most popular carriers operating from Tennessee to Portugal

What airlines fly to Portugal?

How long is the flight from Tennessee to Portugal?

Average flight duration from Tennessee to Portugal depends on which airport you fly into and out of. Flying from Knoxville to Lisbon is 9h 12m on average, while flying from Nashville to Lisbon is 11h 30m on average. Lisbon is the most popular airport in Portugal.

Cheap Tennessee to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tennessee to Portugal

Fastest flight time

Direct flights

When did momondo last update prices for flights from Tennessee to Portugal?

How many operators does momondo search for flights from Tennessee to Portugal?

How old do you have to be to fly from Tennessee to Portugal?

What documentation or ID do you need to fly to Portugal?

Best airlines flying from Tennessee to Portugal

Compare and see reviews for airlines that fly from Tennessee to Portugal with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Tennessee to Portugal?

Can I find flights from Tennessee to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from Tennessee to Portugal?

I’m not ready to book a flight from Tennessee to Portugal right now. Can momondo alert me if prices change?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo