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$284+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$674
(Mytrip)

One-way from

$284
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,280
From Nashville Intl to Porto
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One-way flight from Nashville Intl to Porto
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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.
Wed 10/223:40 pmBNA - OPO
3 stops23h 30mMultiple Airlines
Thu 10/306:00 amOPO - BNA
2 stops30h 17mMultiple Airlines
Deal found 8/13$674
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/226:10 amBNA - OPO
2 stops23h 10mUnited Airlines
Thu 10/3012:35 pmOPO - BNA
1 stop14h 24mUnited Airlines
Deal found 8/13$699
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/312:53 pmBNA - OPO
2 stops16h 47mAmerican Airlines
Fri 10/1012:20 pmOPO - BNA
2 stops17h 35mAmerican Airlines
Deal found 8/13$878
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/912:42 pmBNA - OPO
1 stop13h 03mUnited Airlines
Tue 9/1612:50 pmOPO - BNA
2 stops30h 31mUnited Airlines
Deal found 8/13$895
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Tue 9/96:45 pmBNA - OPO
2 stops32h 35mAir Canada
Tue 9/1612:50 pmOPO - BNA
2 stops40h 09mAir Canada
Deal found 8/13$897
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:05 pmBNA - OPO
1 stop11h 40mMultiple Airlines
Fri 10/1010:00 amOPO - BNA
2 stops27h 37mMultiple Airlines
Deal found 8/13$959

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 August 14, 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

Wed 10/22

3:40 pm-9:10 pm

3 stops23h 30m

Porto

Thu 10/30

6:00 am-7:17 am

2 stops30h 17m

$674

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/22

6:10 am-11:20 am

2 stops23h 10m

Porto

Thu 10/30

12:35 pm-9:59 pm

1 stop14h 24m

$699

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 10/3

12:53 pm-11:40 am

2 stops16h 47m

Porto

Fri 10/10

12:20 pm-11:55 pm

2 stops17h 35m

$878

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 9/9

12:42 pm-7:45 am

1 stop13h 03m

Porto

Tue 9/16

12:50 pm-1:21 pm

2 stops30h 31m

$895

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 9/9

6:45 pm-9:20 am

2 stops32h 35m

Porto

Tue 9/16

12:50 pm-10:59 pm

2 stops40h 09m

$897

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 10/6

5:04 pm-6:50 am

3 stops31h 46m

$284

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 9/5

4:27 pm-9:55 am

2 stops35h 28m

$301

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 10/4

2:00 pm-3:10 pm

2 stops19h 10m

$314

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 10/2

12:47 pm-9:20 pm

3 stops26h 33m

$317

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/1

5:05 am-9:05 pm

3 stops34h 00m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 13 results
1
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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, January is the cheapest month in which you can book a flight from Nashville to Porto (average of $523). Flying from Nashville to Porto in June is currently the most expensive (average of $1,029). 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 August 14, 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 27% 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 August 14, 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
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $681, 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, January is the cheapest month in which you can book a flight from Nashville to Porto (average of $523). Flying from Nashville to Porto in June is currently the most expensive (average of $1,029). 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

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$647Average$1,268FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$681Average$1,171FlexibilityNo cancel feeOn-time69%

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