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$276+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — LIS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$436
(United Airlines)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$632
Provider with most accurate pricing for Nashville Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-Lisbon Humberto Delgado flights.
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From Tennessee to Portugal
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One-way flight from Tennessee to Portugal
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Highest demand for flights based on searches. 25% potential increase in price ($316 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/8. 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.
Mon 3/212:30 pmBNA - OPO
1 stop15h 00mUnited Airlines
Wed 3/1812:35 pmOPO - BNA
2 stops25h 46mUnited Airlines
Deal found 1/8$436
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Mon 2/21:09 pmBNA - LIS
1 stop13h 01mUnited Airlines
Tue 2/1711:20 amLIS - BNA
2 stops37h 41mUnited Airlines
Deal found 1/7$437
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Mon 3/28:30 amBNA - LIS
1 stop19h 45mUnited Airlines
Wed 3/1111:20 amLIS - BNA
2 stops39h 23mUnited Airlines
Deal found 1/8$442
This Iberia deal was found by Cheapflights users on 1/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:25 pmBNA - LIS
1 stop18h 30mMultiple Airlines
Tue 2/1712:30 pmLIS - BNA
2 stops17h 29mMultiple Airlines
Deal found 1/6$448
This Iberia deal was found by Cheapflights users on 1/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:25 pmBNA - LIS
1 stop14h 20mMultiple Airlines
Tue 2/106:30 amLIS - BNA
2 stops21h 05mMultiple Airlines
Deal found 1/6$449
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/21:52 pmBNA - LIS
2 stops16h 13mAmerican Airlines
Tue 2/176:30 amLIS - BNA
2 stops17h 04mAmerican Airlines
Deal found 1/7$452
This Travelocity deal was found by Cheapflights users on 1/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:19 pmTYS - LIS
2 stops16h 46mMultiple Airlines
Tue 2/106:30 amLIS - TYS
2 stops19h 51mMultiple Airlines
Deal found 1/5$453
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:15 amBNA - LIS
2 stops22h 50mBritish Airways
Tue 5/57:15 amLIS - BNA
1 stop17h 10mBritish Airways
Deal found 1/6$455
This FlightHub deal was found by Cheapflights users on 1/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:09 pmBNA - LIS
1 stop13h 01mLufthansa
Tue 2/1010:15 amLIS - BNA
1 stop17h 54mLufthansa
Deal found 1/6$456
This oojo deal was found by Cheapflights users on 1/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:33 pmTYS - LIS
2 stops17h 22mBritish Airways
Tue 4/217:10 amLIS - TYS
2 stops19h 47mBritish Airways
Deal found 1/7$458
This oojo deal was found by Cheapflights users on 1/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:54 amBNA - LIS
2 stops23h 56mBritish Airways
Mon 2/236:35 pmLIS - BNA
2 stops34h 59mBritish Airways
Deal found 1/5$458
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:06 pmMEM - LIS
2 stops21h 44mBritish Airways
Wed 3/1810:40 amLIS - MEM
2 stops18h 23mBritish Airways
Deal found 1/8$458

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 January 8, 2026.
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

Mon 3/2

4:06 pm-9:30 am

1 stop11h 24m

Porto

Wed 3/18

12:35 pm-10:50 pm

1 stop15h 15m

$436

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 2/2

1:09 pm-8:10 am

1 stop13h 01m

Lisbon Humberto Delgado

Tue 2/17

11:20 am-7:01 pm

2 stops37h 41m

$437

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 3/2

6:25 pm-6:55 pm

1 stop18h 30m

Lisbon Humberto Delgado

Wed 3/11

8:20 am-8:04 pm

2 stops16h 44m

$449

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 4/29

8:40 pm-11:10 pm

1 stop20h 30m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-9:45 pm

2 stops21h 10m

$449

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 2/3

2:19 pm-12:05 pm

2 stops16h 46m

Lisbon Humberto Delgado

Tue 2/10

6:30 am-9:21 pm

2 stops19h 51m

$453

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 2/9

2:19 pm-12:05 pm

2 stops16h 46m

Lisbon Humberto Delgado

Tue 2/24

6:30 am-8:40 pm

2 stops19h 10m

$453

MemphisLisbon

MEM - LIS

MEMLIS

Memphis

Wed 4/15

6:12 pm-11:15 pm

2 stops23h 03m

Lisbon Humberto Delgado

Fri 4/24

11:00 am-11:59 pm

2 stops18h 59m

$458

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 4/29

8:40 pm-11:15 pm

1 stop20h 35m

Lisbon Humberto Delgado

Thu 5/7

7:20 am-6:25 pm

1 stop17h 05m

$460

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 4/29

8:40 pm-3:40 pm

1 stop13h 00m

Lisbon Humberto Delgado

Fri 5/8

7:20 am-6:25 pm

1 stop17h 05m

$460

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sun 3/22

7:05 am-8:00 am

1 stop19h 55m

Lisbon Humberto Delgado

Tue 3/31

10:00 am-7:40 am

2 stops27h 40m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 56 results
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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 $917). 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.

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, British Airways, and Delta can get you from Tennessee to Portugal in just under 11h 24m. Your travel time can differ by up to 33h 14m. 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?

    $308 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $357 and $394, 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 $917). 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

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Alternative routes for Tennessee to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$477Average$921FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$509Average$1,037FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$537Average$901FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$545Average$1,043FlexibilityNo cancel feeOn-time69%
DeltaCheapest$603Average$906FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$638Average$866FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$750Average$1,091FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$805Average$1,274FlexibilityNo cancel feeOn-timeN/A

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