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 55m on average, while flying from Nashville to Lisbon is 11h 35m on average. Lisbon is the most popular airport in 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 50% 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.

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

Icelandair, Air Canada, and British Airways are the most popular carriers operating from Tennessee to Portugal

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 August 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.

$269 Cheap Flights from Tennessee to Portugal in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Tennessee to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

2:25 pm - 8:55 amBNA-LIS

12h 30m1 stop

5:00 am - 7:50 pmLIS-BNA

20h 50m2 stops

$526Air Canada

Find Deal

Sat, Nov 8 - Sat, Nov 15

8:15 am - 8:55 amBNA-LIS

18h 40m2 stops

5:00 am - 7:50 pmLIS-BNA

20h 50m2 stops

$533Air Canada

Find Deal

Sat, Nov 8 - Sat, Nov 15

2:25 pm - 9:20 amBNA-LIS

12h 55m1 stop

11:00 am - 12:26 pmLIS-BNA

31h 26m2 stops

$552United Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

8:30 am - 9:20 amBNA-LIS

18h 50m3 stops

11:00 am - 2:02 pmLIS-BNA

33h 02m2 stops

$556United Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

6:20 am - 10:15 amBNA-LIS

21h 55m1 stop

11:00 am - 1:16 pmLIS-BNA

32h 16m1 stop

$557United Airlines

Find Deal

Fri, Nov 28 - Wed, Dec 3

2:27 pm - 8:55 amBNA-LIS

36h 28m2 stops

10:00 am - 10:39 pmLIS-BNA

18h 39m2 stops

$562Virgin Atlantic

Find Deal

Wed, Dec 3 - Sun, Dec 7

11:45 am - 8:55 amBNA-LIS

15h 10m1 stop

12:20 pm - 3:20 pmLIS-BNA

33h 00m2 stops

$571Delta

Find Deal

Thu, Nov 13 - Fri, Jan 9

5:15 am - 9:00 amBNA-LIS

21h 45m2 stops

12:20 pm - 3:20 pmLIS-BNA

33h 00m2 stops

$575Delta

Find Deal

Sat, Nov 8 - Fri, Jan 9

3:45 pm - 9:20 amBNA-LIS

11h 35m1 stop

7:25 pm - 3:05 pmLIS-BNA

25h 40m2 stops

$587

Find Deal

Sun, Jan 25 - Sat, Jan 31

8:02 am - 9:20 amBNA-LIS

19h 18m2 stops

12:30 pm - 7:15 pmLIS-BNA

36h 45m2 stops

$594

Find Deal

Sun, Jan 25 - Sat, Jan 31

Scandinavian Airlines flights from Tennessee to Portugal

Our best Scandinavian Airlines deals on Tennessee to Portugal flight tickets

Scandinavian Airlines

Oct 28

TRI1:28 pmBlountville Tri Cities TN/VA

22h 37m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Nov 7

LIS4:55 pmLisbon Humberto Delgado

34h 26m

2 stops

TRI10:21 pmBlountville Tri Cities TN/VA

$609

Find similar

Scandinavian Airlines

Nov 1

BNA5:59 pmNashville Intl

41h 06m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Nov 14

LIS4:55 pmLisbon Humberto Delgado

33h 29m

2 stops

BNA8:24 pmNashville Intl

$648

Find similar

British Airways flights from Tennessee to Portugal

Our best British Airways deals on Tennessee to Portugal flight tickets

British Airways

Oct 24

TYS2:12 pmKnoxville McGhee Tyson

13h 53m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 4

LIS6:30 amLisbon Humberto Delgado

19h 54m

2 stops

TYS9:24 pmKnoxville McGhee Tyson

$646

Find similar

British Airways

Jan 7

TYS11:03 amKnoxville McGhee Tyson

14h 52m

1 stop

LIS6:55 amLisbon Humberto Delgado

Jan 17

LIS10:30 amLisbon Humberto Delgado

15h 13m

1 stop

TYS8:43 pmKnoxville McGhee Tyson

$650

Find similar

British Airways

Jan 7

TYS6:51 pmKnoxville McGhee Tyson

14h 59m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Jan 17

LIS8:20 amLisbon Humberto Delgado

17h 23m

2 stops

TYS8:43 pmKnoxville McGhee Tyson

$653

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sat 11/8

2:25 pm-8:55 am

1 stop12h 30m

Lisbon Humberto Delgado

Sat 11/15

5:00 am-7:50 pm

2 stops20h 50m

$526

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sat 11/8

8:15 am-8:55 am

2 stops18h 40m

Lisbon Humberto Delgado

Sat 11/15

5:00 am-7:50 pm

2 stops20h 50m

$533

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 12/4

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-12:26 pm

2 stops31h 26m

$552

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 12/4

8:30 am-9:20 am

3 stops18h 50m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-2:02 pm

2 stops33h 02m

$556

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Fri 11/28

6:20 am-10:15 am

1 stop21h 55m

Lisbon Humberto Delgado

Wed 12/3

11:00 am-1:16 pm

1 stop32h 16m

$557

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 12/3

2:27 pm-8:55 am

2 stops36h 28m

Lisbon Humberto Delgado

Sun 12/7

10:00 am-10:39 pm

2 stops18h 39m

$562

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 11/13

11:45 am-8:55 am

1 stop15h 10m

Lisbon Humberto Delgado

Fri 1/9

12:20 pm-3:20 pm

2 stops33h 00m

$571

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sat 11/8

5:15 am-9:00 am

2 stops21h 45m

Lisbon Humberto Delgado

Fri 1/9

12:20 pm-3:20 pm

2 stops33h 00m

$575

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sun 1/25

3:45 pm-9:20 am

1 stop11h 35m

Lisbon Humberto Delgado

Sat 1/31

7:25 pm-3:05 pm

2 stops25h 40m

$587

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sun 1/25

8:02 am-9:20 am

2 stops19h 18m

Lisbon Humberto Delgado

Sat 1/31

12:30 pm-7:15 pm

2 stops36h 45m

$594

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 $647, 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 $668.

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 $988 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 $623 on momondo.

Can stopping save me money on Tennessee to Portugal flights?

You could potentially save up to 33% 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

Best Price Found	$269
Fastest flight time	9h 28m
Direct flights	None
Airports in Portugal	2 airports

The best one-way flight to Portugal from Tennessee in the past 72 hours is $269. The best round-trip flight deal from Tennessee to Portugal found on momondo in the last 72 hours is $526.

The fastest flight from Tennessee to Portugal takes 9h 28m

There are no direct flights from Tennessee to Portugal. Popular non-direct routes for this connection are Nashville Intl Airport - Porto Airport, Nashville Intl Airport - Lisbon Humberto Delgado Airport and Chattanooga Lovell Field Airport - Lisbon Humberto Delgado Airport.

There are 2 airports near Portugal: Lisbon Humberto Delgado (LIS), Porto (OPO)

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 August 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
Delta	PriceFrom $449	Free Cancellation	Rating 8.0 7,979 reviews	Search Delta flights
KLM	PriceFrom $467	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
Air Canada	PriceFrom $537	Free Cancellation	Rating 7.1 9,943 reviews	Search Air Canada flights
United Airlines	PriceFrom $556	Free Cancellation	Rating 7.4 8,920 reviews	Search United Airlines flights
American Airlines	PriceFrom $568	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $580	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $589	Free Cancellation	Rating 6.6 7,265 reviews	Search British Airways flights
Air France	PriceFrom $667	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 8/17

Sun 8/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $367

Flights to Portofrom $340

Flights to Funchalfrom $401

Flights to Farofrom $412

Flights to Ponta Delgadafrom $450

Flights to Lajesfrom $561

Flights to Hortafrom $590

Flights to Pico Islandfrom $560

Flights to Porto Santofrom $639

Flights to Velasfrom $557

Cheap flights from Tennessee to Portugal from $269

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 11/13. 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

Price Alerts

Price Alerts

Find the cheapest flights from Tennessee to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Scandinavian Airlines flights from Tennessee to Portugal

Our best Scandinavian Airlines 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

momondo Fare Finder

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

See travel insights to Portugal from

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

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 33% on your flight if you consider stops on a Tennessee to Portugal flight.

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

Icelandair, Air Canada, and British Airways 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 55m on average, while flying from Nashville to Lisbon is 11h 35m 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

Best Price Found

Fastest flight time

Direct flights

Airports in Portugal

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