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$295+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$740
(Air Canada)

One-way from

$295
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,130
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. 21% potential increase in price ($266 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 May 2025
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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 May 1, 2025.

This Air Canada deal was found by Cheapflights users on 4/30. 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.
Wed 9/248:15 amBNA - OPO
1 stop19h 05mMultiple Airlines
Thu 10/166:00 amOPO - BNA
2 stops33h 23mMultiple Airlines
Deal found 4/30$740
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:30 amMEM - LIS
2 stops19h 50mAir Canada
Wed 9/2411:25 amLIS - MEM
2 stops33h 20mAir Canada
Deal found 4/30$741
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Mon 6/27:49 amBNA - FAO
3 stops41h 31mMultiple Airlines
Tue 6/106:20 amFAO - BNA
2 stops16h 55mMultiple Airlines
Deal found 4/29$778
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:00 amMEM - LIS
2 stops22h 25mLufthansa
Wed 9/2410:25 amLIS - MEM
1 stop17h 07mLufthansa
Deal found 4/30$808
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:15 amBNA - OPO
2 stops28h 15mAir Canada
Wed 10/156:00 amOPO - BNA
2 stops21h 00mAir Canada
Deal found 4/30$813
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sat 6/712:24 pmCHA - LIS
2 stops25h 01mMultiple Airlines
Fri 6/206:00 amLIS - CHA
2 stops32h 10mMultiple Airlines
Deal found 4/29$821
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:43 pmBNA - LIS
2 stops14h 37mAir Canada
Fri 10/1712:50 pmLIS - BNA
2 stops16h 09mAir Canada
Deal found 4/30$830
This Air France deal was found by Cheapflights users on 4/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:30 amBNA - LIS
1 stop16h 30mAir France
Sat 11/1511:15 amLIS - BNA
1 stop16h 23mAir France
Deal found 4/30$831
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/177:25 pmTYS - FNC
2 stops32h 20mUnited Airlines
Wed 9/2411:30 amFNC - TYS
2 stops17h 27mUnited Airlines
Deal found 4/30$834
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 5/307:49 amBNA - LIS
2 stops28h 36mMultiple Airlines
Sat 6/147:05 pmLIS - BNA
3 stops40h 52mMultiple Airlines
Deal found 4/29$838
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sat 10/114:25 pmBNA - OPO
2 stops36h 45mScandinavian Airlines
Fri 10/175:55 pmOPO - BNA
2 stops33h 43mScandinavian Airlines
Deal found 4/30$864
This KAYAK deal was found by Cheapflights users on 4/30. 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.
Tue 7/2210:53 amTYS - LIS
1 stop17h 12mBritish Airways
Thu 7/3111:05 amLIS - TYS
1 stop11h 30mBritish Airways
Deal found 4/30$885

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 May 1, 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

Wed 9/24

8:15 am-9:20 am

1 stop19h 05m

Porto

Thu 10/16

6:00 am-9:23 am

2 stops33h 23m

$740

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 10/9

8:15 am-6:30 pm

2 stops28h 15m

Porto

Wed 10/15

6:00 am-9:00 pm

2 stops21h 00m

$813

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Sat 6/7

12:24 pm-6:25 pm

2 stops25h 01m

Lisbon Humberto Delgado

Fri 6/20

6:00 am-9:10 am

2 stops32h 10m

$821

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 10/9

12:43 pm-9:20 am

2 stops14h 37m

Lisbon Humberto Delgado

Fri 10/17

12:50 pm-10:59 pm

2 stops16h 09m

$830

KnoxvilleFunchal

TYS - FNC

TYSFNC

Knoxville McGhee Tyson

Wed 9/17

7:25 pm-8:45 am

2 stops32h 20m

Funchal Madeira

Wed 9/24

11:30 am-11:57 pm

2 stops17h 27m

$834

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Fri 5/30

7:49 am-6:25 pm

2 stops28h 36m

Lisbon Humberto Delgado

Sat 6/14

7:05 pm-5:57 am

3 stops40h 52m

$838

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 10/11

4:25 pm-11:10 am

2 stops36h 45m

Porto

Fri 10/17

5:55 pm-9:38 pm

2 stops33h 43m

$864

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 7/22

10:53 am-9:05 am

1 stop17h 12m

Lisbon Humberto Delgado

Thu 7/31

11:05 am-5:35 pm

1 stop11h 30m

$885

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 7/14

7:35 am-9:05 am

1 stop20h 30m

Lisbon Humberto Delgado

Fri 7/25

11:05 am-5:35 pm

1 stop11h 30m

$889

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 7/14

5:45 am-9:20 am

2 stops22h 35m

Lisbon Humberto Delgado

Fri 7/25

11:25 am-5:05 pm

2 stops34h 40m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 42 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, January is the cheapest month in which you can book a flight from Tennessee to Portugal (average of $612). Flying from Tennessee to Portugal in June is currently the most expensive (average of $1,178). 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 May 1, 2025.

When flying from Tennessee to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Tennessee to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $558 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 United Airlines and British Airways, with prices starting from $583 and $597, 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, January is the cheapest month in which you can book a flight from Tennessee to Portugal (average of $612). Flying from Tennessee to Portugal in June is currently the most expensive (average of $1,178). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$467Average$1,267FlexibilityNo cancel feeOn-time75%
DeltaCheapest$506Average$987FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$568Average$1,035FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$985FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$572Average$885FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$651Average$1,122FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$667Average$1,024FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$777Average$1,448FlexibilityNo cancel feeOn-time76%

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