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$317+ Cheap flights from Nashville (BNA) to Porto (OPO)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Dez 21 — Dez 281
So 12/21
So 12/28
1 adult, Economy
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Cheap flight deals from Nashville to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$483
(Gotogate)

One-way from

$317
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$796
Provider with most accurate pricing for Nashville Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-Porto flights.
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From Nashville Intl to Porto
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One-way flight from Nashville Intl to Porto
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Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Nashville to Porto

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

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.
Do 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Di 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.
Do 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Sa 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.
Do 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Mi 1/281:45 pmOPO - BNA
2 stops36h 05mLufthansa
Deal found 11/19$613
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.
Do 12/2510:09 amBNA - OPO
2 stops19h 31mLufthansa
Fr 1/301:45 pmOPO - BNA
2 stops38h 50mLufthansa
Deal found 11/19$617
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 12/108:15 amBNA - OPO
2 stops23h 00mMultiple Airlines
Di 12/166:00 amOPO - BNA
2 stops19h 00mMultiple Airlines
Deal found 11/18$687
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 12/231:29 pmBNA - OPO
2 stops36h 11mIberia
Do 1/2912:25 pmOPO - BNA
2 stops16h 54mIberia
Deal found 11/19$761
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 12/242:28 pmBNA - OPO
2 stops14h 02mKLM
Mi 1/286:00 amOPO - BNA
2 stops19h 24mKLM
Deal found 11/19$807
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.
Fr 12/264:56 pmBNA - OPO
2 stops23h 29mLufthansa
Sa 1/316:00 amOPO - BNA
2 stops19h 33mLufthansa
Deal found 11/19$868
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.
Mi 12/108:00 amBNA - OPO
3 stops25h 25mUnited Airlines
Di 12/166:00 amOPO - BNA
2 stops19h 00mUnited Airlines
Deal found 11/18$903
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 12/114:50 pmBNA - OPO
2 stops17h 10mIberia
Di 12/239:55 pmOPO - BNA
2 stops24h 20mIberia
Deal found 11/20$955
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.
Fr 12/264:56 pmBNA - OPO
2 stops23h 29mLufthansa
So 2/16:00 amOPO - BNA
2 stops43h 50mLufthansa
Deal found 11/19$971

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nashville to Porto 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 Nashville to Porto that are best for you.

Fly from

Nashville

Fly to

Porto

Route

Depart

Return

Price

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Do 1/29

2:25 pm-12:05 pm

2 stops15h 40m

Porto

Do 2/5

6:00 am-5:46 pm

2 stops17h 46m

$483

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mi 1/28

2:25 pm-10:30 am

2 stops14h 05m

Porto

Mi 2/4

5:00 am-5:14 pm

2 stops18h 14m

$492

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fr 2/6

11:26 am-10:30 am

2 stops17h 04m

Porto

Di 2/10

6:05 am-8:02 pm

2 stops19h 57m

$492

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Do 12/25

10:09 am-11:40 am

2 stops19h 31m

Porto

Do 1/29

6:00 am-7:50 pm

2 stops43h 50m

$600

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sa 1/3

6:05 pm-5:00 pm

2 stops16h 55m

Porto

Sa 1/10

1:45 pm-10:09 pm

2 stops38h 24m

$629

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mi 12/24

8:05 am-10:30 am

2 stops20h 25m

Porto

Mo 1/26

6:30 am-9:59 am

2 stops33h 29m

$807

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mi 12/24

2:28 pm-10:30 am

2 stops14h 02m

Porto

Fr 1/30

6:30 am-11:00 pm

2 stops22h 30m

$807

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mi 12/24

8:05 am-10:30 am

2 stops20h 25m

Porto

Di 1/27

6:05 am-9:41 am

2 stops33h 36m

$807

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mi 12/24

2:28 pm-10:30 am

2 stops14h 02m

Porto

Do 1/29

6:35 am-8:02 pm

2 stops19h 27m

$807

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Di 4/21

6:30 pm-11:30 pm

2 stops23h 00m

Porto

Di 4/28

10:40 am-9:13 am

2 stops28h 33m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 16 results
1
2

Compare providers for flights from Nashville to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Nashville to Porto in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Nashville-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Nashville-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Nashville-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Nashville-Porto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Nashville-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Nashville to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Nashville 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 Nashville to Porto

What is the cheapest month to book a flight from Nashville to Porto?

Currently, March is the cheapest month in which you can book a flight from Nashville to Porto (average of $587). Flying from Nashville to Porto in December is currently the most expensive (average of $1,650). 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 BNA to OPO?

Find hourly flight availability from Nashville to Porto. 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.

One of the essential ways to save on airfare from Nashville to Porto is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 26% on airfare.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated November 21, 2025.
Read through reviews of airlines operating flights from Nashville to Porto, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,028 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,028 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Nashville to Porto. 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 Nashville to Porto?

    A quick flight from Nashville to Porto can take about 14h 05m. KLM provides one of the quickest options available for as low as $492. The distance between Nashville and Porto is about 4074 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Nashville to Porto round-trip?

    Currently priced at $568, American Airlines will fly you from Nashville to Porto and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $755. These flights start at 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Nashville to Porto one-way?

    One-way options have recently been found by users for as low as $432 on Iberia. Other airlines that offer cheap prices include United Airlines from $457 and Lufthansa from $487 one-way.

  • Can I find deals for flights from Nashville to Porto that include hotel bookings?

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

  • How can I find direct flights from Nashville to Porto?

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

  • Can I find deals for business class flights from Nashville to Porto?

    Yes. Cheapflights offers flight deals from Nashville to Porto 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 Nashville to Porto?

    Currently, March is the cheapest month in which you can book a flight from Nashville to Porto (average of $587). Flying from Nashville to Porto in December is currently the most expensive (average of $1,650). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Nashville to Porto

Discover the top 2 airlines that operate flights from Nashville to Porto. 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
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$755Average$1,170FlexibilityNo cancel feeOn-time69%

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