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$261+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$535
(United Airlines)

One-way from

$261
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,001
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. 6% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 10/2712:50 pmBNA - OPO
2 stops15h 40mUnited Airlines
Wed 11/126:00 amOPO - BNA
2 stops33h 05mUnited Airlines
Deal found 9/17$535
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/3012:04 pmBNA - OPO
2 stops14h 36mAmerican Airlines
Thu 11/68:20 amOPO - BNA
2 stops19h 48mAmerican Airlines
Deal found 9/15$608
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Thu 12/118:15 amBNA - OPO
2 stops21h 25mAir Canada
Tue 12/236:00 amOPO - BNA
2 stops19h 50mAir Canada
Deal found 9/14$615
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/1510:15 amBNA - OPO
2 stops17h 45mMultiple Airlines
Wed 10/227:15 amOPO - BNA
2 stops19h 45mMultiple Airlines
Deal found 9/15$624
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:25 pmBNA - OPO
2 stops15h 40mMultiple Airlines
Sun 1/111:45 pmOPO - BNA
2 stops58h 01mMultiple Airlines
Deal found 9/16$631
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/305:42 pmBNA - OPO
1 stop10h 48mUnited Airlines
Thu 11/66:00 amOPO - BNA
2 stops39h 46mUnited Airlines
Deal found 9/15$649
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:48 pmBNA - OPO
2 stops15h 42mDelta
Tue 10/2811:10 amOPO - BNA
2 stops16h 29mDelta
Deal found 9/15$682
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/168:44 amBNA - OPO
2 stops25h 01mUnited Airlines
Thu 10/2312:10 pmOPO - BNA
2 stops36h 42mUnited Airlines
Deal found 9/16$691
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/1610:15 amBNA - OPO
3 stops30h 45mMultiple Airlines
Thu 10/237:15 amOPO - BNA
2 stops19h 45mMultiple Airlines
Deal found 9/16$727
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:20 amBNA - OPO
2 stops19h 10mDelta
Sun 11/3011:25 amOPO - BNA
2 stops36h 56mDelta
Deal found 9/15$755

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 September 17, 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

Mon 10/27

12:50 pm-9:30 am

2 stops15h 40m

Porto

Wed 11/12

6:00 am-9:05 am

2 stops33h 05m

$535

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 12/11

8:15 am-2:45 pm

2 stops24h 30m

Porto

Tue 12/23

6:00 am-7:50 pm

2 stops19h 50m

$615

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 12/11

8:15 am-2:45 pm

2 stops24h 30m

Porto

Tue 12/23

6:00 am-7:50 pm

2 stops19h 50m

$615

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 12/31

2:25 pm-12:05 pm

2 stops15h 40m

Porto

Sun 1/11

1:45 pm-5:46 pm

2 stops58h 01m

$631

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 2/21

12:00 pm-9:30 am

2 stops15h 30m

Porto

Fri 2/27

12:30 pm-3:05 pm

2 stops32h 35m

$654

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/15

10:15 am-10:05 pm

3 stops29h 50m

Porto

Wed 10/22

7:35 am-9:00 pm

2 stops19h 25m

$657

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/15

5:48 pm-3:30 pm

2 stops15h 42m

Porto

Tue 10/28

11:10 am-10:39 pm

2 stops16h 29m

$682

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 10/16

8:44 am-3:45 pm

2 stops25h 01m

Porto

Thu 10/23

12:10 pm-6:52 pm

2 stops36h 42m

$691

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/23

9:20 am-10:30 am

2 stops19h 10m

Porto

Sun 11/30

11:25 am-6:21 pm

2 stops36h 56m

$755

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 10/17

5:05 am-10:30 am

3 stops47h 25m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 13 results
1
2

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 $1,028). 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 September 17, 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 September 17, 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
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 40m. United Airlines provides one of the quickest options available for as low as $535. 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 45% 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 $1,028). 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 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$755Average$1,171FlexibilityNo cancel feeOn-time69%

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