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$382+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$590
(United Airlines)

One-way from

$382
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,280
From Tennessee to Porto
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One-way flight from Tennessee 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 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 11/242:47 pmBNA - OPO
1 stop12h 43mUnited Airlines
Tue 12/26:00 amOPO - BNA
2 stops18h 59mUnited Airlines
Deal found 8/20$590
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 pmBNA - OPO
2 stops20h 05mMultiple Airlines
Sun 11/237:55 amOPO - BNA
2 stops16h 35mMultiple Airlines
Deal found 8/17$618
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:45 pmBNA - OPO
2 stops20h 00mUnited Airlines
Tue 12/2312:30 pmOPO - BNA
2 stops33h 29mUnited Airlines
Deal found 8/18$685
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 11/142:47 pmBNA - OPO
1 stop12h 43mUnited Airlines
Sun 11/236:00 amOPO - BNA
2 stops43h 50mUnited Airlines
Deal found 8/17$686
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:15 amTRI - OPO
2 stops19h 15mDelta
Tue 11/1811:25 amOPO - TRI
2 stops35h 46mDelta
Deal found 8/17$699
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:02 pmBNA - OPO
1 stop11h 28mUnited Airlines
Sun 11/3012:30 pmOPO - BNA
2 stops55h 32mUnited Airlines
Deal found 8/19$756
This Expedia deal was found by Cheapflights users on 8/19. 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 11/252:25 pmBNA - OPO
2 stops15h 40mMultiple Airlines
Sun 11/307:25 pmOPO - BNA
2 stops30h 25mMultiple Airlines
Deal found 8/19$757
This lastminute.com deal was found by Cheapflights users on 8/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:15 amTRI - OPO
2 stops19h 15mMultiple Airlines
Thu 1/84:10 pmOPO - TRI
2 stops46h 25mMultiple Airlines
Deal found 8/18$759
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:25 pmBNA - OPO
1 stop17h 10mBritish Airways
Sun 11/308:05 pmOPO - BNA
1 stop26h 10mBritish Airways
Deal found 8/19$781
This Gurufare deal was found by Cheapflights users on 8/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:47 pmBNA - OPO
1 stop12h 43mLufthansa
Sun 11/2312:35 pmOPO - BNA
1 stop15h 24mLufthansa
Deal found 8/17$887
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/92:17 pmBNA - OPO
1 stop11h 28mUnited Airlines
Tue 9/1612:50 pmOPO - BNA
2 stops33h 05mUnited Airlines
Deal found 8/19$895

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 August 20, 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

Mon 11/24

2:47 pm-9:30 am

1 stop12h 43m

Porto

Tue 12/2

6:00 am-6:59 pm

2 stops18h 59m

$590

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 11/14

5:30 pm-7:35 pm

2 stops20h 05m

Porto

Sun 11/23

7:55 am-6:30 pm

2 stops16h 35m

$618

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 12/11

12:45 pm-2:45 pm

2 stops20h 00m

Porto

Tue 12/23

12:30 pm-3:59 pm

2 stops33h 29m

$685

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 11/14

2:47 pm-9:30 am

1 stop12h 43m

Porto

Sun 11/23

6:00 am-7:50 pm

2 stops43h 50m

$686

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Fri 11/14

10:15 am-10:30 am

2 stops19h 15m

Porto

Tue 11/18

11:25 am-6:11 pm

2 stops35h 46m

$699

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 11/25

2:25 pm-12:05 pm

2 stops15h 40m

Porto

Sun 11/30

7:25 pm-7:50 pm

2 stops30h 25m

$756

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 11/25

2:47 pm-9:30 am

1 stop12h 43m

Porto

Sun 11/30

12:30 pm-2:02 pm

2 stops55h 32m

$756

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Tue 12/16

10:15 am-10:30 am

2 stops19h 15m

Porto

Thu 1/8

4:10 pm-9:35 am

2 stops46h 25m

$759

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 11/25

6:25 pm-5:35 pm

1 stop17h 10m

Porto

Sun 11/30

8:05 pm-4:15 pm

1 stop26h 10m

$781

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 8/30

7:42 pm-12:00 pm

3 stops34h 18m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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, January is the cheapest month in which you can book a flight from Tennessee to Porto (average of $523). Flying from Tennessee to Porto in June is currently the most expensive (average of $1,030). 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 August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Tennessee to Porto as you normally would.

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 12h 43m. 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, January is the cheapest month in which you can book a flight from Tennessee to Porto (average of $523). Flying from Tennessee to Porto in June is currently the most expensive (average of $1,030). 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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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$614Average$1,006FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$658Average$1,166FlexibilityNo cancel feeOn-time69%

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