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

British Airways, United Airlines, and American Airlines are the most popular carriers operating from Tennessee 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 Nashville to Lisbon is 11h 40m on average, while flying from Knoxville to Lisbon is 13h 20m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, Delta and British Airways 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 August 2026, 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.

$258 Cheap Flights from Tennessee to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Tennessee to Portugal

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 9:20 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

35h 20m2 stops Chicago O'Hare Intl Toronto Pearson Intl

5:00 am - 5:32 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

18h 32m2 stops Frankfurt am Main Chicago O'Hare Intl

$700Multiple Airlines

Sat, Oct 31 - Thu, Nov 19

8:15 am - 9:20 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

19h 05m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 am - 10:39 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

40h 49m2 stops Zurich Chicago O'Hare Intl

$711Multiple Airlines

Wed, Oct 21 - Mon, Nov 2

7:42 pm - 8:10 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

31h 28m1 stop Newark

10:55 am - 1:14 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

32h 19m1 stop Toronto Pearson Intl

$712United Airlines

Sat, Oct 31 - Thu, Nov 19

7:25 pm - 5:40 pmTRI Blountville Tri Cities TN/VA-LIS Lisbon Humberto Delgado

17h 15m2 stops Charlotte Douglas London Heathrow

6:30 am - 8:06 pmLIS Lisbon Humberto Delgado-TRI Blountville Tri Cities TN/VA

18h 36m2 stops Madrid Barajas Charlotte Douglas

$716American Airlines

Wed, Dec 2 - Thu, Dec 10

2:10 pm - 6:55 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

10h 45m1 stop Montreal Pierre Elliott Trudeau Intl

11:20 am - 7:38 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

14h 18m1 stop Toronto Pearson Intl

$723Air Canada

Wed, Jan 6 - Wed, Jan 27

3:25 pm - 12:10 pmTRI Blountville Tri Cities TN/VA-LIS Lisbon Humberto Delgado

15h 45m2 stops Charlotte Douglas London Heathrow

9:40 am - 11:51 pmLIS Lisbon Humberto Delgado-TRI Blountville Tri Cities TN/VA

19h 11m2 stops Philadelphia Chicago O'Hare Intl

$727American Airlines

Wed, Dec 2 - Thu, Dec 10

7:00 am - 9:20 amMEM Memphis-LIS Lisbon Humberto Delgado

20h 20m2 stops Chicago O'Hare Intl Toronto Pearson Intl

12:50 pm - 3:47 pmLIS Lisbon Humberto Delgado-MEM Memphis

32h 57m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$727Air Canada

Sun, Nov 1 - Tue, Nov 17

6:05 am - 9:00 amMEM Memphis-LIS Lisbon Humberto Delgado

20h 55m1 stop Boston Logan Intl

5:00 am - 5:18 pmLIS Lisbon Humberto Delgado-MEM Memphis

18h 18m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$727Delta

Sun, Nov 1 - Tue, Nov 17

6:05 am - 9:00 amMEM Memphis-LIS Lisbon Humberto Delgado

20h 55m1 stop Boston Logan Intl

5:00 am - 6:28 pmLIS Lisbon Humberto Delgado-MEM Memphis

19h 28m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$729Delta

Sun, Nov 1 - Tue, Nov 17

12:53 pm - 8:10 amCHA Chattanooga Lovell Field-LIS Lisbon Humberto Delgado

14h 17m1 stop Newark

11:20 am - 12:53 pmLIS Lisbon Humberto Delgado-CHA Chattanooga Lovell Field

30h 33m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$731United Airlines

Mon, Feb 8 - Thu, Feb 18

Cheap last minute flights

Enter your travel dates to find the best prices.

12:03 pm - 11:15 amMEM Memphis-LIS Lisbon Humberto Delgado

17h 12m2 stops Minneapolis St Paul Paris Charles de Gaulle

11:55 am - 11:32 pmLIS Lisbon Humberto Delgado-MEM Memphis

17h 37m2 stops Amsterdam Schiphol Boston Logan Intl

$1,011Multiple Airlines

Sun, Aug 16 - Fri, Sep 18

8:30 pm - 5:55 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

15h 25m1 stop London Heathrow

12:30 pm - 11:25 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

16h 55m2 stops Madrid Barajas Miami

$1,013Multiple Airlines

Tue, Aug 18 - Thu, Aug 27

11:24 am - 10:45 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

17h 21m1 stop Boston Logan Intl

11:55 am - 11:03 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

17h 08m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,017KLM

Mon, Aug 17 - Wed, Aug 26

12:30 pm - 11:15 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

16h 45m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 5:34 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

18h 34m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,021Delta

Wed, Aug 19 - Wed, Aug 26

5:46 pm - 5:50 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

18h 04m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 8:40 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

21h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,021Delta

Tue, Aug 18 - Thu, Aug 27

8:30 pm - 11:00 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

20h 30m1 stop London Heathrow

7:20 am - 6:35 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

17h 15m1 stop London Heathrow

$1,027British Airways

Tue, Aug 18 - Thu, Aug 27

1:37 pm - 9:05 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

13h 28m1 stop Philadelphia

11:05 am - 6:57 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

13h 52m1 stop Philadelphia

$1,027American Airlines

Tue, Aug 18 - Thu, Aug 27

1:37 pm - 9:05 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

13h 28m1 stop Philadelphia

11:05 am - 6:57 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

13h 52m1 stop Philadelphia

$1,028American Airlines

Tue, Aug 18 - Thu, Aug 27

5:44 pm - 4:25 pmMEM Memphis-LIS Lisbon Humberto Delgado

16h 41m2 stops Chicago O'Hare Intl London Heathrow

11:05 am - 11:07 pmLIS Lisbon Humberto Delgado-MEM Memphis

18h 02m2 stops London Heathrow Chicago O'Hare Intl

$1,166British Airways

Sun, Aug 16 - Fri, Sep 18

1:15 pm - 9:55 amBNA Nashville Intl-FAO Faro

14h 40m1 stop Newark

11:40 am - 10:58 pmFAO Faro-BNA Nashville Intl

17h 18m1 stop Newark

$1,310United Airlines

Sun, Aug 16 - Tue, Aug 25

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Iberia flights from Tennessee to Portugal

Our best Iberia deals on Tennessee to Portugal flight tickets

Iberia

Oct 14

MEM5:52 pmMemphis

23h 33m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Oct 20

LIS8:45 pmLisbon Humberto Delgado

32h 26m

2 stops

MEM11:11 pmMemphis

$764

Iberia

Oct 14

BNA11:18 amNashville Intl

14h 22m

2 stops

OPO7:40 amPorto

Oct 29

OPO8:40 pmPorto

26h 16m

2 stops

BNA5:56 pmNashville Intl

$839

Iberia

Jan 11

BNA11:06 amNashville Intl

14h 34m

2 stops

OPO7:40 amPorto

Jan 13

OPO12:25 pmPorto

16h 54m

2 stops

BNA11:19 pmNashville Intl

$1,006

British Airways flights from Tennessee to Portugal

Our best British Airways deals on Tennessee to Portugal flight tickets

British Airways

Nov 1

TYS7:50 amKnoxville McGhee Tyson

20h 15m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 15

LIS11:05 amLisbon Humberto Delgado

14h 44m

1 stop

TYS8:49 pmKnoxville McGhee Tyson

$773

British Airways

Jan 11

BNA6:40 pmNashville Intl

14h 15m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Jan 13

LIS3:50 pmLisbon Humberto Delgado

30h 50m

1 stop

BNA4:40 pmNashville Intl

$774

British Airways

Nov 24

BNA6:40 pmNashville Intl

21h 05m

1 stop

LIS9:45 pmLisbon Humberto Delgado

Nov 30

LIS3:50 pmLisbon Humberto Delgado

30h 50m

1 stop

BNA4:40 pmNashville Intl

$782

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Sat 10/31

5:00 pm-9:20 am

2 stops35h 20m

Lisbon Humberto Delgado

Thu 11/19

5:00 am-5:32 pm

2 stops18h 32m

$700

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Wed 10/21

8:15 am-9:20 am

1 stop19h 05m

Lisbon Humberto Delgado

Mon 11/2

11:50 am-10:39 pm

2 stops40h 49m

$711

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Sat 10/31

7:42 pm-8:10 am

1 stop31h 28m

Lisbon Humberto Delgado

Thu 11/19

10:55 am-1:14 pm

1 stop32h 19m

$712

BlountvilleLisbon

TRI Blountville Tri Cities TN/VA - LIS Lisbon Humberto Delgado

TRILIS

Blountville Tri Cities TN/VA

Wed 12/2

7:25 pm-5:40 pm

2 stops17h 15m

Lisbon Humberto Delgado

Thu 12/10

6:30 am-8:06 pm

2 stops18h 36m

$716

Quickest round-trip

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Wed 1/6

2:10 pm-6:55 am

1 stop10h 45m

Lisbon Humberto Delgado

Wed 1/27

11:20 am-7:38 pm

1 stop14h 18m

$723

BlountvilleLisbon

TRI Blountville Tri Cities TN/VA - LIS Lisbon Humberto Delgado

TRILIS

Blountville Tri Cities TN/VA

Wed 12/2

3:25 pm-12:10 pm

2 stops15h 45m

Lisbon Humberto Delgado

Thu 12/10

9:40 am-11:51 pm

2 stops19h 11m

$727

MemphisLisbon

MEM Memphis - LIS Lisbon Humberto Delgado

MEMLIS

Memphis

Sun 11/1

7:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-3:47 pm

2 stops32h 57m

$727

MemphisLisbon

MEM Memphis - LIS Lisbon Humberto Delgado

MEMLIS

Memphis

Sun 11/1

6:05 am-9:00 am

1 stop20h 55m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-5:18 pm

2 stops18h 18m

$727

MemphisLisbon

MEM Memphis - LIS Lisbon Humberto Delgado

MEMLIS

Memphis

Sun 11/1

6:05 am-9:00 am

1 stop20h 55m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-6:28 pm

2 stops19h 28m

$729

ChattanoogaLisbon

CHA Chattanooga Lovell Field - LIS Lisbon Humberto Delgado

CHALIS

Chattanooga Lovell Field

Mon 2/8

12:53 pm-8:10 am

1 stop14h 17m

Lisbon Humberto Delgado

Thu 2/18

11:20 am-12:53 pm

2 stops30h 33m

$731

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 February. Flight prices, which tend to average around $597, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Tennessee during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $638.

How far in advance should I book a flight from Tennessee 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 $951 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 $781 on momondo.

Can stopping save me money on Tennessee to Portugal flights?

You could potentially save up to 40% 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	11h 40m
Direct flights	None

The fastest flight from Tennessee to Portugal takes 11h 40m

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

Search flight deals

Frequently asked questions about flying 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 2026, 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
Virgin Atlantic	PriceFrom $389	Free Cancellation	Rating 7.5 694 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $460	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
British Airways	PriceFrom $475	Free Cancellation	Rating 6.7 8,156 reviews	Search British Airways flights
Lufthansa	PriceFrom $507	Free Cancellation	Rating 6.8 8,191 reviews	Search Lufthansa flights
United Airlines	PriceFrom $527	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights
Air Canada	PriceFrom $564	Free Cancellation	Rating 7.1 11,470 reviews	Search Air Canada flights
American Airlines	PriceFrom $590	Free Cancellation	Rating 7.1 11,929 reviews	Search American Airlines flights
KLM	PriceFrom $792	Free Cancellation	Rating 7.8 1,558 reviews	Search KLM 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.

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Popular cities in Portugal

Flights to Lisbonfrom $562

Flights to Portofrom $524

Flights to Funchalfrom $606

Flights to Farofrom $610

Flights to Ponta Delgadafrom $580

Flights to Lajesfrom $635

Flights to Hortafrom $712

Flights to Pico Islandfrom $642

Flights to Porto Santofrom $713

Flights to Velasfrom $694

Cheap flights from Tennessee to Portugal from $258

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Iberia flights from Tennessee to Portugal

Our best Iberia 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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See travel insights to Portugal from

How to get the cheapest flight ticket from Tennessee to Portugal

What is the cheapest month to fly to Portugal?

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

Can stopping save me money on Tennessee to Portugal flights?

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

What airlines fly to Portugal?

How long is the flight from Tennessee to Portugal?

Cheap Tennessee to Portugal flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Tennessee 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?

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

Tennessee flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year