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$478+ Cheap flights from Nashville (BNA) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/114:50 pmBNA - OPO
2 stops17h 10mAmerican Airlines
Tue 12/238:20 amOPO - BNA
2 stops21h 33mAmerican Airlines
Deal found 12/2$697
This Air Canada deal was found by Cheapflights users on 12/3. 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.
Fri 12/128:15 amBNA - OPO
2 stops21h 55mMultiple Airlines
Mon 12/156:15 amOPO - BNA
2 stops19h 35mMultiple Airlines
Deal found 12/3$719
This Mytrip deal was found by Cheapflights users on 12/3. 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 12/128:15 amBNA - OPO
2 stops21h 55mMultiple Airlines
Sun 12/144:15 pmOPO - BNA
2 stops33h 16mMultiple Airlines
Deal found 12/3$740
This Gurufare deal was found by Cheapflights users on 12/3. 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.
Thu 12/112:35 pmBNA - OPO
2 stops14h 25mLufthansa
Tue 12/2312:30 pmOPO - BNA
2 stops36h 36mLufthansa
Deal found 12/3$950
This Air Canada deal was found by Cheapflights users on 12/3. 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.
Fri 12/128:15 amBNA - OPO
2 stops21h 55mAir Canada
Mon 12/156:55 amOPO - BNA
3 stops21h 54mAir Canada
Deal found 12/3$961
This Orbitz deal was found by Cheapflights users on 12/3. 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.
Fri 12/122:35 pmBNA - OPO
2 stops14h 25mLufthansa
Sun 12/144:15 pmOPO - BNA
2 stops33h 16mLufthansa
Deal found 12/3$966
This Mytrip deal was found by Cheapflights users on 12/2. 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 12/265:45 amBNA - OPO
2 stops34h 40mMultiple Airlines
Tue 12/307:05 amOPO - BNA
2 stops18h 45mMultiple Airlines
Deal found 12/2$1,505

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$478
(Air Canada)

Popular in

December

Cheapest in

January

Average price

$1,677
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
Highest demand for flights based on searches. 0% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 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

Sun 1/18

2:25 pm-12:50 pm

2 stops16h 25m

Porto

Sun 1/25

6:00 am-7:50 pm

2 stops43h 50m

$478

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 2/6

1:52 pm-4:00 pm

2 stops20h 08m

Porto

Tue 2/10

8:20 am-11:19 pm

2 stops20h 59m

$485

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 2/6

11:26 am-10:30 am

2 stops17h 04m

Porto

Tue 2/10

5:00 am-7:24 pm

2 stops20h 24m

$489

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 12/11

4:50 pm-4:00 pm

2 stops17h 10m

Porto

Tue 12/23

8:20 am-10:01 pm

2 stops19h 41m

$697

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 12/12

8:15 am-12:10 pm

2 stops21h 55m

Porto

Mon 12/15

6:15 am-7:50 pm

2 stops19h 35m

$719

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 12/12

8:15 am-7:00 pm

2 stops28h 45m

Porto

Sun 12/14

8:00 pm-7:50 pm

3 stops29h 50m

$787

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 2/6

2:25 pm-9:15 pm

3 stops24h 50m

Porto

Tue 2/10

7:25 pm-7:50 pm

3 stops30h 25m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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 December.
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 $590). 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 December 4, 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 December 4, 2025.
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
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
11,047 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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 17h 04m. Iberia provides one of the quickest options available for as low as $489. 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 44% 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, March is the cheapest month in which you can book a flight from Nashville to Porto (average of $590). 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 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$647Average$911FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$755Average$1,105FlexibilityNo cancel feeOn-time69%

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