HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$306+ Cheap flights from Tennessee to Portugal

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — LIS
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tennessee to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Tennessee to Portugal

Keep the following information in mind while searching for Tennessee to Portugal flight deals. Data was last updated November 21, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$475
(Kiwi.com)

One-way from

$306
(British Airways)

Popular in

June

Cheapest in

January

Average price

$769
Provider with most accurate pricing for Nashville Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Lisbon Humberto Delgado flights.
Search Deals
From Tennessee to Portugal
Search Deals
One-way flight from Tennessee to Portugal
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($300 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Tennessee to Portugal

Cheapest flights from Tennessee to Portugal
Explore the most affordable flight options available from Tennessee to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:40 pmBNA - LIS
1 stop9h 35mLufthansa
Tue 12/165:00 amLIS - BNA
2 stops20h 00mLufthansa
Deal found 11/19$475
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:15 amBNA - LIS
1 stop18h 40mMultiple Airlines
Wed 12/35:00 amLIS - BNA
2 stops20h 50mMultiple Airlines
Deal found 11/19$521
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:25 pmBNA - LIS
1 stop12h 55mAir Canada
Tue 12/1611:20 amLIS - BNA
2 stops34h 24mAir Canada
Deal found 11/20$527
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:25 pmBNA - LIS
1 stop12h 55mUnited Airlines
Tue 12/1611:20 amLIS - BNA
2 stops32h 42mUnited Airlines
Deal found 11/19$528
This Air Canada deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:40 pmBNA - LIS
2 stops35h 40mAir Canada
Tue 12/1611:20 amLIS - BNA
2 stops38h 14mAir Canada
Deal found 11/19$534
This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:00 amBNA - LIS
2 stops20h 15mUnited Airlines
Wed 12/1711:00 amLIS - BNA
2 stops38h 31mUnited Airlines
Deal found 11/18$538
This Air Canada deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:40 pmBNA - LIS
2 stops35h 40mAir Canada
Wed 12/1711:00 amLIS - BNA
2 stops41h 59mAir Canada
Deal found 11/19$540
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:15 amBNA - LIS
1 stop18h 40mMultiple Airlines
Wed 12/1711:00 amLIS - BNA
1 stop14h 50mMultiple Airlines
Deal found 11/18$541
This Cheapflightsfares deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:30 pmBNA - LIS
1 stop14h 45mLufthansa
Mon 12/156:50 pmLIS - BNA
2 stops30h 41mLufthansa
Deal found 11/18$543
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Tue 1/276:00 amOPO - BNA
2 stops43h 50mLufthansa
Deal found 11/19$600
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Sat 1/316:00 amOPO - BNA
2 stops19h 04mLufthansa
Deal found 11/19$603
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Wed 1/281:45 pmOPO - BNA
2 stops36h 05mLufthansa
Deal found 11/19$613

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee to Portugal 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 2,558,603 searches. Data last updated November 21, 2025.
Use the filters below to find and compare flights from Tennessee to Portugal that are best for you.

Fly from

Tennessee

Fly to

Portugal

Route

Depart

Return

Price

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 1/29

2:25 pm-12:05 pm

2 stops15h 40m

Porto

Thu 2/5

6:00 am-5:46 pm

2 stops17h 46m

$483

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 2/11

1:32 pm-7:55 am

2 stops36h 23m

Lisbon Humberto Delgado

Fri 2/20

10:55 am-12:28 pm

2 stops31h 33m

$489

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 1/28

2:25 pm-10:30 am

2 stops14h 05m

Porto

Wed 2/4

5:00 am-5:14 pm

2 stops18h 14m

$492

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 2/6

11:26 am-10:30 am

2 stops17h 04m

Porto

Tue 2/10

6:05 am-8:02 pm

2 stops19h 57m

$492

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 1/7

5:29 pm-7:55 pm

2 stops21h 26m

Lisbon Humberto Delgado

Sat 1/17

6:10 am-8:52 pm

2 stops19h 42m

$496

MemphisLisbon

MEM - LIS

MEMLIS

Memphis

Tue 3/10

7:30 am-10:15 am

2 stops21h 45m

Lisbon Humberto Delgado

Thu 3/19

5:00 am-9:59 pm

2 stops21h 59m

$496

KnoxvilleFaro

TYS - FAO

TYSFAO

Knoxville McGhee Tyson

Sat 2/21

1:30 pm-6:00 pm

2 stops23h 30m

Faro

Sat 2/28

9:15 am-11:50 pm

2 stops19h 35m

$496

MemphisLisbon

MEM - LIS

MEMLIS

Memphis

Fri 1/30

7:30 am-8:10 am

2 stops18h 40m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-5:26 pm

2 stops18h 26m

$497

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Fri 1/30

11:58 am-11:20 am

2 stops18h 22m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-8:47 pm

2 stops20h 47m

$500

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 2/11

10:45 am-11:30 pm

2 stops30h 45m

Lisbon Humberto Delgado

Sat 2/21

5:00 am-7:01 pm

2 stops20h 01m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 47 results
1
2
3
...
5

Best time to book a flight from Tennessee to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Tennessee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tennessee to Portugal

What is the cheapest month to book a flight from Tennessee to Portugal?

Currently, December is the cheapest month in which you can book a flight from Tennessee to Portugal (average of $475). Flying from Tennessee to Portugal in June is currently the most expensive (average of $955). 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.

What is the cheapest time of day to fly from TN to PT?

Find hourly flight availability from Tennessee to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

It’s typically best to fly out from Tennessee to Portugal at noon. Doing so could potentially save you 4% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Tennessee to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Tennessee to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Tennessee to Portugal flight should consider departing on Tuesday at noon 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.

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Tennessee to Portugal?

    United Airlines, KLM, and Delta can get you from Tennessee to Portugal in just under 14h 05m. Your travel time can differ by up to 22h 18m. The distance from Tennessee to Portugal is about 4074 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Tennessee to Portugal one-way?

    $306 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Scandinavian Airlines, with prices starting from $309 and $377, respectively.

  • Can I find deals for flights from Tennessee to Portugal that include hotel bookings?

    Yes. In addition to deals on Tennessee to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tennessee to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Portugal.

  • Can I find deals for business class flights from Tennessee to Portugal?

    Yes. Cheapflights offers flight deals from Tennessee to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tennessee to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Tennessee to Portugal (average of $475). Flying from Tennessee to Portugal in June is currently the most expensive (average of $955). 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.

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.

Alternative routes for Tennessee to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
Newark to Orly flights
Boston to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Gatwick flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Orly flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Gatwick flights
Miami to Madrid flights
Dulles Intl to Heathrow flights
Los Angeles to Charles de Gaulle flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Malpensa flights
Newark to Madrid flights
LaGuardia to Charles de Gaulle flights
San Francisco to Heathrow flights
Newark to Malpensa flights
Newark to Lisbon flights
O'Hare Intl to Heathrow flights
Boston to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Dublin flights
Dallas/Fort Worth to Heathrow flights
Newark to Athens flights
O'Hare Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Newark to Frankfurt flights
John F Kennedy Intl to Frankfurt flights
Dulles Intl to Charles de Gaulle flights
Boston to Dublin flights
Newark to Dublin flights
San Francisco to Charles de Gaulle flights
Seattle to Heathrow flights
John F Kennedy Intl to Amsterdam flights
Newark to London City flights
John F Kennedy Intl to Zurich flights
Newark to Amsterdam flights
Miami to Charles de Gaulle flights

Top 8 airlines flying from Tennessee to Portugal

Discover the top 8 airlines that operate flights from Tennessee to Portugal. 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 2,558,603 searches. Data last updated November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$537Average$887FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$545Average$1,024FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$565Average$1,098FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$580Average$861FlexibilityNo cancel feeOn-time72%
DeltaCheapest$603Average$909FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$615Average$956FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$638Average$866FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$805Average$1,274FlexibilityNo cancel feeOn-timeN/A

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.