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$283+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$448
(Iberia)

One-way from

$283
(Orbitz)

Popular in

December

Cheapest in

January

Average price

$612
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. 2% potential increase in price ($28 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 January 2026
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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 January 6, 2026.

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 2/236:25 pmBNA - OPO
1 stop17h 10mMultiple Airlines
Tue 3/108:20 amOPO - BNA
2 stops20h 34mMultiple Airlines
Deal found 1/6$448
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:30 amBNA - OPO
2 stops20h 00mUnited Airlines
Tue 3/1012:35 pmOPO - BNA
1 stop15h 15mUnited Airlines
Deal found 1/6$450
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/204:45 pmBNA - OPO
2 stops17h 15mAmerican Airlines
Tue 1/278:20 amOPO - BNA
2 stops19h 18mAmerican Airlines
Deal found 1/6$461
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:30 pmBNA - OPO
1 stop15h 00mLufthansa
Tue 3/1012:35 pmOPO - BNA
1 stop15h 15mLufthansa
Deal found 1/6$469
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 amBNA - OPO
2 stops21h 30mUnited Airlines
Sat 3/76:00 amOPO - BNA
2 stops32h 21mUnited Airlines
Deal found 1/5$492
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:19 pmBNA - OPO
2 stops33h 11mUnited Airlines
Mon 3/1612:30 pmOPO - BNA
2 stops29h 04mUnited Airlines
Deal found 1/6$497
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:35 amBNA - OPO
2 stops16h 55mUnited Airlines
Sun 3/112:35 pmOPO - BNA
2 stops26h 51mUnited Airlines
Deal found 1/5$500
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:30 amBNA - OPO
2 stops25h 15mUnited Airlines
Thu 3/126:00 amOPO - BNA
2 stops36h 16mUnited Airlines
Deal found 1/5$505
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:00 amBNA - OPO
2 stops20h 40mUnited Airlines
Wed 3/116:00 amOPO - BNA
2 stops32h 21mUnited Airlines
Deal found 1/5$507
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:15 amBNA - OPO
2 stops21h 25mMultiple Airlines
Fri 3/136:00 amOPO - BNA
2 stops36h 16mMultiple Airlines
Deal found 1/5$509
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:00 amBNA - OPO
1 stop19h 30mLufthansa
Sat 3/76:00 amOPO - BNA
2 stops19h 43mLufthansa
Deal found 1/5$520

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 January 6, 2026.
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

Mon 2/23

8:30 am-9:30 am

2 stops19h 00m

Porto

Tue 3/10

12:35 pm-9:37 am

2 stops26h 02m

$450

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 2/28

6:00 am-9:30 am

2 stops21h 30m

Porto

Sat 3/7

6:00 am-8:21 am

2 stops32h 21m

$492

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 3/8

7:30 am-9:30 am

2 stops21h 00m

Porto

Mon 3/16

6:00 am-9:21 am

2 stops32h 21m

$492

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

6:19 pm-9:30 am

2 stops33h 11m

Porto

Mon 3/16

12:30 pm-12:34 pm

2 stops29h 04m

$497

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 2/25

1:30 pm-9:30 am

2 stops14h 00m

Porto

Sun 3/1

12:35 pm-1:47 pm

2 stops31h 12m

$500

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 3/5

9:00 am-11:40 am

2 stops20h 40m

Porto

Fri 3/13

6:00 am-1:16 pm

2 stops36h 16m

$505

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 3/5

7:30 am-2:45 pm

2 stops25h 15m

Porto

Tue 3/10

6:00 am-10:59 pm

2 stops21h 59m

$507

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

8:30 am-11:40 am

2 stops21h 10m

Porto

Sat 3/14

6:00 am-1:16 pm

2 stops36h 16m

$605

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/6

8:15 am-2:45 pm

2 stops24h 30m

Porto

Thu 3/12

6:00 am-1:16 pm

2 stops36h 16m

$609

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/6

8:15 am-2:45 pm

2 stops24h 30m

Porto

Tue 3/10

6:00 am-9:43 pm

2 stops20h 43m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 14 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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, February is the cheapest month in which you can book a flight from Nashville to Porto (average of $551). Flying from Nashville to Porto in December is currently the most expensive (average of $1,646). 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.

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 January 6, 2026.
Read through reviews of airlines operating flights from Nashville to Porto, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,018 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,018 reviews
Delta
7.9
Good
8,018 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,132 reviews
Delta
7.9
Good
8,018 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,084 reviews
Delta
7.9
Good
8,018 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 19h. United Airlines provides one of the quickest options available for as low as $450. The distance between Nashville and Porto is about 4074 mi.

  • 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. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $647 and $755, respectively. These flights start at 42% lower than the current average price 3 months from now.

  • 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, February is the cheapest month in which you can book a flight from Nashville to Porto (average of $551). Flying from Nashville to Porto in December is currently the most expensive (average of $1,646). 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 3 airlines flying from Nashville to Porto

Discover the top 3 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$647Average$986FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$755Average$1,134FlexibilityNo cancel feeOn-time69%

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