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$336+ Cheap flights from Tennessee 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Nov 16 — Nov 231
Sun 11/16
Sun 11/23
1 adult, Economy
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Cheap flight deals from Tennessee to Porto

Keep the following information in mind while searching for Tennessee to Porto flight deals. Data was last updated October 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$529
(Air Canada)

One-way from

$336
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,039
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 Tennessee to Porto
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One-way flight from Tennessee to Porto
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Tennessee to Porto

Cheapest flights from Tennessee to Porto
Explore the most affordable flight options available from Tennessee to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 17, 2025.

This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/144:03 pmBNA - OPO
1 stop11h 27mUnited Airlines
Fri 11/216:00 amOPO - BNA
2 stops32h 58mUnited Airlines
Deal found 10/15$533
This KLM deal was found by Cheapflights users on 10/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:20 pmBNA - OPO
2 stops14h 10mKLM
Sat 11/229:25 amOPO - BNA
2 stops17h 46mKLM
Deal found 10/16$540
This KLM deal was found by Cheapflights users on 10/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:00 pmBNA - OPO
2 stops17h 20mKLM
Tue 12/239:55 amOPO - BNA
2 stops17h 39mKLM
Deal found 10/15$546
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sat 11/159:50 amBNA - OPO
2 stops17h 40mUnited Airlines
Sat 11/2212:35 pmOPO - BNA
1 stop13h 08mUnited Airlines
Deal found 10/16$547
This KLM deal was found by Cheapflights users on 10/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:50 pmTRI - OPO
2 stops16h 40mKLM
Tue 11/189:55 amOPO - TRI
2 stops41h 36mKLM
Deal found 10/16$592
This Delta deal was found by Cheapflights users on 10/15. 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 10/291:06 pmBNA - OPO
2 stops16h 24mDelta
Tue 12/211:25 amOPO - BNA
2 stops15h 40mDelta
Deal found 10/15$652
This United deal was found by Cheapflights users on 10/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:15 pmBNA - OPO
1 stop32h 15mMultiple Airlines
Tue 12/212:30 pmOPO - BNA
2 stops36h 42mMultiple Airlines
Deal found 10/15$709
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:04 amBNA - OPO
1 stop17h 26mLufthansa
Sat 11/2212:35 pmOPO - BNA
1 stop15h 59mLufthansa
Deal found 10/16$728
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Thu 10/168:15 amBNA - OPO
2 stops28h 15mMultiple Airlines
Sat 11/156:00 amOPO - BNA
2 stops22h 25mMultiple Airlines
Deal found 10/15$732
This Travelocity deal was found by Cheapflights users on 10/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:15 amBNA - OPO
1 stop17h 15mLufthansa
Fri 11/2112:35 pmOPO - BNA
1 stop16h 45mLufthansa
Deal found 10/15$743
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Fri 11/142:25 pmBNA - OPO
3 stops21h 05mMultiple Airlines
Fri 11/216:15 amOPO - BNA
2 stops19h 35mMultiple Airlines
Deal found 10/15$763

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee 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 October 17, 2025.
Use the filters below to find and compare flights from Tennessee to Porto that are best for you.

Fly from

Tennessee

Fly to

Porto

Route

Depart

Return

Price

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 2/1

2:25 pm-12:50 pm

2 stops16h 25m

Porto

Sun 2/15

7:25 pm-3:05 pm

2 stops49h 40m

$529

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 11/15

12:10 pm-9:30 am

2 stops15h 20m

Porto

Sat 11/22

6:00 am-7:33 pm

2 stops19h 33m

$537

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 11/15

2:20 pm-10:30 am

2 stops14h 10m

Porto

Sat 11/22

9:25 am-9:11 pm

2 stops17h 46m

$540

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 1/30

7:10 am-10:30 am

2 stops21h 20m

Porto

Sun 2/8

5:00 am-9:11 pm

2 stops22h 11m

$541

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 12/11

2:00 pm-1:20 pm

2 stops17h 20m

Porto

Tue 12/23

9:55 am-9:34 pm

2 stops17h 39m

$546

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 2/22

6:25 pm-4:40 pm

1 stop16h 15m

Porto

Sat 2/28

7:50 pm-4:15 pm

1 stop26h 25m

$580

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Fri 11/14

12:50 pm-10:30 am

2 stops16h 40m

Porto

Tue 11/18

9:55 am-10:31 pm

2 stops41h 36m

$592

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/29

1:06 pm-10:30 am

2 stops16h 24m

Porto

Tue 12/2

11:25 am-9:05 pm

2 stops15h 40m

$652

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/27

7:30 am-9:30 am

2 stops21h 00m

Porto

Tue 3/31

6:00 am-5:46 pm

2 stops17h 46m

$727

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 11/15

10:04 am-9:30 am

1 stop17h 26m

Porto

Sat 11/22

12:35 pm-10:34 pm

1 stop15h 59m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 14 results
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Best time to book a flight from Tennessee to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Tennessee 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 Tennessee to Porto

What is the cheapest month to book a flight from Tennessee to Porto?

Currently, March is the cheapest month in which you can book a flight from Tennessee to Porto (average of $587). Flying from Tennessee to Porto in August is currently the most expensive (average of $1,036). 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 TN to OPO?

Find hourly flight availability from Tennessee 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 October 17, 2025.

It’s typically best to fly out from Tennessee to Porto in the evening. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Tennessee to Porto?

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Tennessee?

    Porto (OPO) is the airport you will fly into if you book a flight from Tennessee to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • How long is the flight from Tennessee to Porto?

    Departing from Tennessee to Porto will take you 14h 10m. The distance between Tennessee and Porto is about 4074 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Tennessee to Porto that include hotel bookings?

    Yes. In addition to deals on Tennessee to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tennessee to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Porto.

  • Can I find deals for business class flights from Tennessee to Porto?

    Yes. Cheapflights offers flight deals from Tennessee 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 Tennessee to Porto?

    Currently, March is the cheapest month in which you can book a flight from Tennessee to Porto (average of $587). Flying from Tennessee to Porto in August is currently the most expensive (average of $1,036). 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

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Alternative routes for Tennessee to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Tennessee to Porto

Discover the top 3 airlines that operate flights from Tennessee 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 October 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$629Average$901FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$658Average$1,146FlexibilityNo cancel feeOn-time69%

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