What airlines fly to Porto?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Porto from Tennessee according to our data. United Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 3 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Porto?

Flight times from Tennessee to Porto vary, but if you’re flying out of Nashville and flying into Porto (one of the most popular routes), then the duration is 15h 40m on average. Another popular route from Tennessee to Porto is flying from Blountville to Porto, which will take roughly 16h 38m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Tennessee to Porto Airport?

Prices for flights from Tennessee to Porto Airport refresh daily.

How many operators does momondo search for flights from Tennessee to Porto Airport?

The number of operators available for flights from Tennessee to Porto Airport is 3 as of December 2025.

How old do you have to be to fly from Tennessee to Porto Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tennessee to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$489 Cheap Flights from Tennessee to Porto in 2025/26

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Find the cheapest flights from Tennessee to Porto

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 am - 9:30 am

BNA

OPO

21h 00m2 stops

6:00 am - 9:21 am

OPO

BNA

32h 21m2 stops

$491United Airlines

Sun, Mar 8 - Tue, Mar 17

6:19 pm - 9:30 am

BNA

OPO

33h 11m2 stops

6:00 am - 9:21 am

OPO

BNA

32h 21m2 stops

$496United Airlines

Sat, Mar 7 - Mon, Mar 16

10:43 am - 2:45 pm

BNA

OPO

22h 02m2 stops

6:00 am - 7:50 pm

OPO

BNA

43h 50m2 stops

$503United Airlines

Thu, Feb 5 - Thu, Feb 12

7:30 am - 9:30 am

BNA

OPO

21h 00m2 stops

12:35 pm - 3:51 pm

OPO

BNA

32h 16m3 stops

$510United Airlines

Sun, Mar 8 - Tue, Mar 17

7:30 am - 9:30 am

BNA

OPO

21h 00m2 stops

12:30 pm - 5:23 pm

OPO

BNA

33h 53m2 stops

$511United Airlines

Sun, Mar 8 - Sun, Mar 15

6:19 pm - 9:30 am

BNA

OPO

33h 11m2 stops

12:35 pm - 3:51 pm

OPO

BNA

32h 16m3 stops

$515United Airlines

Sat, Mar 7 - Tue, Mar 17

6:19 pm - 9:30 am

BNA

OPO

33h 11m2 stops

12:30 pm - 5:23 pm

OPO

BNA

33h 53m2 stops

$516United Airlines

Sat, Mar 7 - Sun, Mar 15

10:58 am - 7:40 am

BNA

OPO

14h 42m2 stops

8:40 pm - 4:50 pm

OPO

BNA

26h 10m2 stops

$589Iberia

Tue, Apr 21 - Tue, Apr 28

7:30 am - 2:45 pm

BNA

OPO

25h 15m2 stops

6:00 am - 1:46 pm

OPO

BNA

36h 46m2 stops

$606United Airlines

Fri, Mar 6 - Fri, Mar 13

6:19 pm - 3:15 pm

BNA

OPO

38h 56m2 stops

12:35 pm - 10:50 pm

OPO

BNA

15h 15m1 stop

$611Lufthansa

Sat, Mar 7 - Tue, Mar 17

Iberia flights from Tennessee to Porto

Our best Iberia deals on Tennessee to Porto flight tickets

Iberia

Apr 21

BNA10:58 amNashville Intl

14h 42m

2 stops

OPO7:40 amPorto

Apr 28

OPO8:40 pmPorto

26h 10m

2 stops

BNA4:50 pmNashville Intl

$589

Find similar

Iberia

Apr 28

BNA2:27 pmNashville Intl

15h 18m

2 stops

OPO11:45 amPorto

May 18

OPO8:40 pmPorto

29h 38m

2 stops

BNA8:18 pmNashville Intl

$714

Find similar

Delta flights from Tennessee to Porto

Our best Delta deals on Tennessee to Porto flight tickets

Delta

Mar 8

BNA6:00 amNashville Intl

23h 30m

2 stops

OPO10:30 amPorto

Mar 14

OPO11:25 amPorto

33h 54m

2 stops

BNA4:19 pmNashville Intl

$802

Find similar

Delta

Feb 22

BNA9:23 amNashville Intl

19h 07m

2 stops

OPO10:30 amPorto

Feb 26

OPO5:00 amPorto

23h 58m

2 stops

BNA10:58 pmNashville Intl

$1,076

Find similar

Delta

Mar 8

BNA6:00 amNashville Intl

23h 30m

2 stops

OPO10:30 amPorto

Mar 13

OPO5:00 amPorto

16h 58m

2 stops

BNA4:58 pmNashville Intl

$1,082

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 3/8

7:30 am-9:30 am

2 stops21h 00m

Porto

Tue 3/17

6:00 am-9:21 am

2 stops32h 21m

$491

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

6:19 pm-9:30 am

2 stops33h 11m

Porto

Mon 3/16

6:00 am-9:21 am

2 stops32h 21m

$496

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 2/5

10:43 am-2:45 pm

2 stops22h 02m

Porto

Thu 2/12

6:00 am-7:50 pm

2 stops43h 50m

$503

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 3/8

7:30 am-9:30 am

2 stops21h 00m

Porto

Tue 3/17

12:35 pm-3:51 pm

3 stops32h 16m

$510

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 3/8

7:30 am-9:30 am

2 stops21h 00m

Porto

Sun 3/15

12:30 pm-5:23 pm

2 stops33h 53m

$511

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

6:19 pm-9:30 am

2 stops33h 11m

Porto

Tue 3/17

12:35 pm-3:51 pm

3 stops32h 16m

$515

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

6:19 pm-9:30 am

2 stops33h 11m

Porto

Sun 3/15

12:30 pm-5:23 pm

2 stops33h 53m

$516

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 4/21

10:58 am-7:40 am

2 stops14h 42m

Porto

Tue 4/28

8:40 pm-4:50 pm

2 stops26h 10m

$589

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Fri 3/6

7:30 am-2:45 pm

2 stops25h 15m

Porto

Fri 3/13

6:00 am-1:46 pm

2 stops36h 46m

$606

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 3/7

6:19 pm-3:15 pm

2 stops38h 56m

Porto

Tue 3/17

12:35 pm-10:50 pm

1 stop15h 15m

$611

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Tennessee to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Tennessee, with most prices found around $612. If you aren’t able to travel during the month of January, then book flights to Porto from Tennessee during March instead. Flights to Porto in March, while not as cheap as those in January, still average around $647.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Monday when prices can be found for as low as $949. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,375. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the morning is the cheapest time of day to fly from Tennessee to Porto when you can find flight prices for as low as $988. Flying to Porto in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,352 on average. Flights to Porto from Tennessee in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Tennessee to Porto flights?

You could potentially save up to 39% on your flight if you consider stops on a Tennessee to Porto flight.

Cheap Tennessee to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tennessee to Porto

Fastest flight time	15h 40m
Direct flights	None

The fastest flight from Tennessee to Porto takes 15h 40m

There are no direct flights from Tennessee to Porto. There are no popular flight routes from Tennessee to Porto.

Search flight deals

When did momondo last update prices for flights from Tennessee to Porto Airport?
Prices for flights from Tennessee to Porto Airport refresh daily.
How many operators does momondo search for flights from Tennessee to Porto Airport?
The number of operators available for flights from Tennessee to Porto Airport is 3 as of December 2025.
How old do you have to be to fly from Tennessee to Porto Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tennessee to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Tennessee to Porto

Compare and see reviews for airlines that fly from Tennessee to Porto with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $568	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Delta	PriceFrom $647	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
United Airlines	PriceFrom $658	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights

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Ponte de Lima

Curia

Penafiel

Mesao Frio

Mira

Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Tennessee to Porto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Tennessee to Porto for you.

Can I find flights from Tennessee to Porto with flexible booking policies on momondo?

All flight searches from Tennessee to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Tennessee to Porto?

Once all potential Tennessee to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Tennessee to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from Tennessee. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.