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$314+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:23 am
BNA
-
OPO
2 stops14h 17m
American Airlines
Tue 4/2812:25 pm
OPO
-
BNA
2 stops17h 08m
American Airlines
Deal found 1/20$461
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:29 pm
BNA
-
OPO
1 stop12h 16m
United Airlines
Tue 4/286:00 am
OPO
-
BNA
2 stops17h 27m
United Airlines
Deal found 1/20$462
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:49 pm
BNA
-
OPO
2 stops17h 11m
Iberia
Mon 11/98:40 pm
OPO
-
BNA
2 stops28h 06m
Iberia
Deal found 1/19$471
This Gotogate deal was found by Cheapflights users on 1/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:25 pm
BNA
-
OPO
2 stops15h 40m
Multiple Airlines
Thu 3/126:00 am
OPO
-
BNA
2 stops16h 23m
Multiple Airlines
Deal found 1/19$489
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:40 pm
BNA
-
OPO
1 stop10h 05m
United Airlines
Thu 10/112:15 pm
OPO
-
BNA
1 stop14h 03m
United Airlines
Deal found 1/20$582
This United Airlines deal was found by Cheapflights users on 1/17. 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 2/2512:00 pm
BNA
-
OPO
2 stops15h 30m
United Airlines
Sun 3/112:35 pm
OPO
-
BNA
2 stops33h 16m
United Airlines
Deal found 1/17$588
This Mytrip deal was found by Cheapflights users on 1/18. 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.
Sat 3/76:01 pm
BNA
-
OPO
2 stops40h 39m
British Airways
Sat 3/147:50 pm
OPO
-
BNA
2 stops50h 26m
British Airways
Deal found 1/18$613
This KAYAK deal was found by Cheapflights users on 1/19. 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.
Sat 3/76:19 pm
BNA
-
OPO
2 stops35h 21m
Lufthansa
Sun 3/154:15 pm
OPO
-
BNA
2 stops54h 08m
Lufthansa
Deal found 1/19$632
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:23 pm
BNA
-
OPO
1 stop13h 07m
Multiple Airlines
Mon 11/97:20 pm
OPO
-
BNA
2 stops30h 30m
Multiple Airlines
Deal found 1/19$658

Find 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 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$461
(American Airlines)

One-way from

$314
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$612
Provider with most accurate pricing for Nashville Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Porto flights.
Search Deals
From Nashville Intl to Porto
Search Deals
One-way flight from Nashville Intl to Porto
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 20, 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

Thu 3/5

2:25 pm-12:05 pm

2 stops15h 40m

Porto

Thu 3/12

6:00 am-5:23 pm

2 stops16h 23m

$489

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 2/25

12:00 pm-9:30 am

2 stops15h 30m

Porto

Sun 3/1

12:35 pm-3:51 pm

2 stops33h 16m

$588

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

6:19 pm-11:40 am

2 stops35h 21m

Porto

Sun 3/15

4:15 pm-5:23 pm

2 stops54h 08m

$632

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/6

7:30 am-9:30 am

2 stops20h 00m

Porto

Sat 3/14

12:30 pm-3:51 pm

2 stops32h 21m

$990

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 3/9

5:27 pm-4:00 pm

2 stops17h 33m

Porto

Fri 3/13

8:20 am-10:28 pm

2 stops19h 08m

$994

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 3/8

7:50 pm-9:40 am

1 stop32h 50m

Porto

Sun 3/15

7:50 am-4:14 pm

2 stops37h 24m

$1,040

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/6

8:54 am-7:00 pm

2 stops28h 06m

Porto

Fri 3/13

8:20 am-10:28 pm

2 stops19h 08m

$1,068

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 5/17

8:55 pm-7:20 am

3 stops28h 25m

$319

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 5/18

8:55 pm-7:10 pm

3 stops40h 15m

$321

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 5/16

3:35 pm-6:30 pm

2 stops44h 55m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 15 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
OvagoPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Nashville-Porto flight deals on Cheapflights vs. FlightHub >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 AranGrant the most. AranGrant 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 20, 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
8,077 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
8,077 reviews
Delta
7.9
Good
8,077 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
9,180 reviews
Delta
7.9
Good
8,077 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
11,164 reviews
Delta
7.9
Good
8,077 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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 15h 30m. United Airlines provides one of the quickest options available for as low as $588. 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. 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 41% 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$647Average$836FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$755Average$1,145FlexibilityNo cancel feeOn-time69%

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