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$314+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — OPO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:23 am
BNA
-
OPO
2 stops14h 17m
American Airlines
Tue 4/2812:25 pm
OPO
-
BNA
2 stops17h 08m
American Airlines
Deal found 1/20$461
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 4/213:29 pm
BNA
-
OPO
1 stop12h 16m
United Airlines
Tue 4/286:00 am
OPO
-
BNA
2 stops17h 27m
United Airlines
Deal found 1/20$462
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Tue 4/710:24 am
BNA
-
OPO
2 stops27h 06m
British Airways
Wed 4/1512:25 pm
OPO
-
BNA
2 stops17h 08m
British Airways
Deal found 1/21$466
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/257:30 am
BNA
-
OPO
2 stops20h 00m
United Airlines
Sun 3/112:35 pm
OPO
-
BNA
2 stops26h 51m
United Airlines
Deal found 1/21$575
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 9/225:40 pm
BNA
-
OPO
1 stop10h 05m
United Airlines
Thu 10/112:15 pm
OPO
-
BNA
1 stop14h 03m
United Airlines
Deal found 1/20$582
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:34 pm
BNA
-
OPO
2 stops22h 51m
Lufthansa
Sat 5/166:00 am
OPO
-
BNA
2 stops18h 59m
Lufthansa
Deal found 1/20$651
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:23 am
BNA
-
OPO
2 stops14h 17m
American Airlines
Thu 5/2112:25 pm
OPO
-
BNA
2 stops18h 00m
American Airlines
Deal found 1/20$654
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:29 pm
BNA
-
OPO
1 stop12h 16m
Lufthansa
Tue 4/2812:35 pm
OPO
-
BNA
1 stop15h 53m
Lufthansa
Deal found 1/20$666

Find flight deals from Tennessee to Porto

Keep the following information in mind while searching for Tennessee to Porto flight deals. Data was last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$461
(American Airlines)

One-way from

$314
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$612
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 Tennessee to Porto
Search Deals
One-way flight from Tennessee to Porto
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Tue 4/21

11:23 am-7:40 am

2 stops14h 17m

Porto

Tue 4/28

12:25 pm-11:33 pm

2 stops17h 08m

$461

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 4/21

3:29 pm-9:45 am

1 stop12h 16m

Porto

Tue 4/28

6:00 am-5:27 pm

2 stops17h 27m

$462

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 4/7

8:40 pm-9:05 am

1 stop30h 25m

Porto

Wed 4/15

8:20 pm-6:25 pm

1 stop28h 05m

$563

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 2/25

7:30 am-9:30 am

2 stops20h 00m

Porto

Sun 3/1

12:35 pm-9:26 am

2 stops26h 51m

$575

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 5/13

11:23 am-7:40 am

2 stops14h 17m

Porto

Thu 5/21

12:25 pm-12:25 am

2 stops18h 00m

$654

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 4/21

3:29 pm-9:45 am

1 stop12h 16m

Porto

Tue 4/28

12:35 pm-10:28 pm

1 stop15h 53m

$666

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/6

7:30 am-9:30 am

2 stops20h 00m

Porto

Fri 3/13

6:00 am-9:22 am

2 stops32h 22m

$691

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 5/18

8:55 pm-7:10 pm

3 stops40h 15m

$321

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 5/11

11:23 am-7:40 am

2 stops14h 17m

$336

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 5/15

8:55 pm-4:00 pm

2 stops37h 05m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 16 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, February is the cheapest month in which you can book a flight from Tennessee to Porto (average of $551). Flying from Tennessee to Porto in December is currently the most expensive (average of $1,646). 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.

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 16m. 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, February is the cheapest month in which you can book a flight from Tennessee to Porto (average of $551). Flying from Tennessee to Porto in December is currently the most expensive (average of $1,646). 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
Vila Nova de Gaia
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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$647Average$836FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$658Average$1,133FlexibilityNo cancel feeOn-time69%

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