What is the cheapest airline that flies from Nashville Intl to Porto?

Delta, KLM, and TAP AIR PORTUGAL are the most popular carriers operating from Nashville Intl to Porto

What airlines fly to Porto?

United Airlines, Delta and KLM are the top three most popular airlines that fly to Porto from Nashville according to our data. United Airlines is the first choice among our users, with 63% 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.

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

Prices for flights from Nashville Intl Airport to Porto Airport refresh daily.

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

As of September 2026, there are 3 operators available to choose from for flights from Nashville Intl Airport to Porto Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Porto Airport.

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

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$336 Cheap Flights from Nashville to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Nashville to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:33 pm - 4:00 pmBNA Nashville Intl-OPO Porto

16h 27m2 stops Miami Madrid Barajas

12:25 pm - 11:59 pmOPO Porto-BNA Nashville Intl

17h 34m2 stops Madrid Barajas Miami

$571Iberia

Wed, Nov 4 - Wed, Nov 11

10:15 am - 8:15 amBNA Nashville Intl-OPO Porto

16h 00m1 stop New York John F Kennedy Intl

5:55 am - 10:26 pmOPO Porto-BNA Nashville Intl

22h 31m2 stops Paris Charles de Gaulle Minneapolis St Paul

$580Delta

Wed, Nov 4 - Wed, Nov 11

7:00 am - 3:20 pmBNA Nashville Intl-OPO Porto

26h 20m3 stops Newark Boston Logan Intl Frankfurt am Main

12:35 pm - 8:37 amOPO Porto-BNA Nashville Intl

26h 02m2 stops Frankfurt am Main Chicago O'Hare Intl

$627United Airlines

Wed, Nov 4 - Wed, Nov 11

8:00 am - 12:50 pmBNA Nashville Intl-OPO Porto

22h 50m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:00 am - 7:38 pmOPO Porto-BNA Nashville Intl

19h 38m2 stops Frankfurt am Main Toronto Pearson Intl

$691Air Canada

Mon, Nov 2 - Wed, Nov 18

9:43 am - 9:30 amBNA Nashville Intl-OPO Porto

17h 47m2 stops Chicago O'Hare Intl Newark

12:35 pm - 9:59 pmOPO Porto-BNA Nashville Intl

15h 24m1 stop Newark

$707United Airlines

Mon, Nov 2 - Wed, Nov 18

11:18 am - 7:40 amBNA Nashville Intl-OPO Porto

14h 22m2 stops Miami Madrid Barajas

8:40 pm - 9:25 amOPO Porto-BNA Nashville Intl

18h 45m2 stops Madrid Barajas Dallas/Fort Worth

$720American Airlines

Mon, Nov 9 - Mon, Nov 16

6:00 am - 9:45 amBNA Nashville Intl-OPO Porto

21h 45m2 stops Chicago O'Hare Intl Newark

12:30 pm - 8:37 amOPO Porto-BNA Nashville Intl

25h 07m2 stops Frankfurt am Main Chicago O'Hare Intl

$755United Airlines

Sun, Oct 18 - Mon, Oct 26

5:30 pm - 11:00 amBNA Nashville Intl-OPO Porto

35h 30m3 stops Reykjavik Keflavik Intl Amsterdam Schiphol Lisbon Humberto Delgado

8:10 pm - 6:45 pmOPO Porto-BNA Nashville Intl

28h 35m3 stops Madrid Barajas Amsterdam Schiphol Reykjavik Keflavik Intl

$776Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

2:05 pm - 8:15 amBNA Nashville Intl-OPO Porto

12h 10m1 stop New York John F Kennedy Intl

5:00 am - 9:30 pmOPO Porto-BNA Nashville Intl

22h 30m2 stops Amsterdam Schiphol Boston Logan Intl

$804Delta

Wed, Dec 9 - Fri, Jan 8

9:40 am - 10:35 amBNA Nashville Intl-OPO Porto

18h 55m2 stops Raleigh-Durham Paris Charles de Gaulle

5:00 am - 9:09 pmOPO Porto-BNA Nashville Intl

22h 09m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$808Delta

Wed, Dec 9 - Fri, Jan 8

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 7:00 amBNA Nashville Intl-OPO Porto

17h 00m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 am - 9:17 pmOPO Porto-BNA Nashville Intl

21h 17m2 stops Frankfurt am Main Newark

$998Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

9:57 am - 10:30 amBNA Nashville Intl-OPO Porto

18h 33m1 stop New York John F Kennedy Intl

5:00 am - 5:16 pmOPO Porto-BNA Nashville Intl

18h 16m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,008KLM

Tue, Sep 29 - Tue, Oct 6

1:15 pm - 11:10 amBNA Nashville Intl-OPO Porto

15h 55m2 stops Newark Frankfurt am Main

6:00 am - 9:17 pmOPO Porto-BNA Nashville Intl

21h 17m2 stops Frankfurt am Main Newark

$1,011Lufthansa

Tue, Sep 29 - Tue, Oct 6

5:05 pm - 3:25 pmBNA Nashville Intl-OPO Porto

16h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 5:42 pmOPO Porto-BNA Nashville Intl

18h 42m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,012Delta

Tue, Sep 29 - Tue, Oct 6

8:00 am - 7:00 amBNA Nashville Intl-OPO Porto

17h 00m1 stop Montreal Pierre Elliott Trudeau Intl

12:35 pm - 9:17 pmOPO Porto-BNA Nashville Intl

14h 42m1 stop Newark

$1,015United Airlines

Tue, Sep 29 - Tue, Oct 6

8:00 am - 7:00 amBNA Nashville Intl-OPO Porto

17h 00m1 stop Montreal Pierre Elliott Trudeau Intl

8:40 am - 8:17 pmOPO Porto-BNA Nashville Intl

41h 37m2 stops Zurich Chicago O'Hare Intl

$1,015Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

7:20 am - 10:30 amBNA Nashville Intl-OPO Porto

21h 10m1 stop New York John F Kennedy Intl

1:05 pm - 8:53 pmOPO Porto-BNA Nashville Intl

13h 48m1 stop New York John F Kennedy Intl

$1,016Delta

Tue, Sep 29 - Tue, Oct 6

8:00 am - 7:00 amBNA Nashville Intl-OPO Porto

17h 00m1 stop Montreal Pierre Elliott Trudeau Intl

12:35 pm - 9:29 amOPO Porto-BNA Nashville Intl

26h 54m2 stops Newark Washington, D.C. Dulles Intl

$1,019United Airlines

Tue, Sep 29 - Tue, Oct 6

6:00 am - 7:00 amBNA Nashville Intl-OPO Porto

19h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

8:40 am - 5:37 pmOPO Porto-BNA Nashville Intl

38h 57m2 stops Zurich Chicago O'Hare Intl

$1,020Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

6:00 am - 7:00 amBNA Nashville Intl-OPO Porto

19h 00m3 stops Chicago O'Hare Intl New York LaGuardia Montreal Pierre Elliott Trudeau Intl

12:35 pm - 11:14 pmOPO Porto-BNA Nashville Intl

16h 39m2 stops Newark Chicago O'Hare Intl

$1,024United Airlines

Tue, Sep 29 - Tue, Oct 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Nashville to Porto

Our best Delta deals on Nashville to Porto flight tickets

Delta

Nov 4

BNA10:15 amNashville Intl

16h 00m

1 stop

OPO8:15 amPorto

Nov 11

OPO5:55 amPorto

22h 31m

2 stops

BNA10:26 pmNashville Intl

$580

Delta

Dec 9

BNA2:05 pmNashville Intl

12h 10m

1 stop

OPO8:15 amPorto

Jan 8

OPO5:00 amPorto

22h 30m

2 stops

BNA9:30 pmNashville Intl

$804

Delta

Dec 9

BNA11:26 amNashville Intl

17h 09m

2 stops

OPO10:35 amPorto

Jan 8

OPO5:00 amPorto

22h 30m

2 stops

BNA9:30 pmNashville Intl

$808

United Airlines flights from Nashville to Porto

Our best United Airlines deals on Nashville to Porto flight tickets

United Airlines

Nov 4

BNA7:00 amNashville Intl

26h 20m

3 stops

OPO3:20 pmPorto

Nov 11

OPO12:35 pmPorto

26h 02m

2 stops

BNA8:37 amNashville Intl

$627

United Airlines

Nov 2

BNA9:43 amNashville Intl

17h 47m

2 stops

OPO9:30 amPorto

Nov 18

OPO12:35 pmPorto

15h 24m

1 stop

BNA9:59 pmNashville Intl

$707

United Airlines

Oct 18

BNA6:00 amNashville Intl

21h 45m

2 stops

OPO9:45 amPorto

Oct 26

OPO12:30 pmPorto

25h 07m

2 stops

BNA8:37 amNashville Intl

$755

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Wed 11/4

5:33 pm-4:00 pm

2 stops16h 27m

Porto

Wed 11/11

12:25 pm-11:59 pm

2 stops17h 34m

$571

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Wed 11/4

10:15 am-8:15 am

1 stop16h 00m

Porto

Wed 11/11

5:55 am-10:26 pm

2 stops22h 31m

$580

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Wed 11/4

7:00 am-3:20 pm

3 stops26h 20m

Porto

Wed 11/11

12:35 pm-8:37 am

2 stops26h 02m

$627

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Mon 11/2

8:00 am-12:50 pm

2 stops22h 50m

Porto

Wed 11/18

6:00 am-7:38 pm

2 stops19h 38m

$691

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Mon 11/2

9:43 am-9:30 am

2 stops17h 47m

Porto

Wed 11/18

12:35 pm-9:59 pm

1 stop15h 24m

$707

Quickest round-trip

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Mon 11/9

11:18 am-7:40 am

2 stops14h 22m

Porto

Mon 11/16

8:40 pm-9:25 am

2 stops18h 45m

$720

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Sun 10/18

6:00 am-9:45 am

2 stops21h 45m

Porto

Mon 10/26

12:30 pm-8:37 am

2 stops25h 07m

$755

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Wed 11/4

5:30 pm-11:00 am

3 stops35h 30m

Porto

Wed 11/11

8:10 pm-6:45 pm

3 stops28h 35m

$776

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Wed 12/9

2:05 pm-8:15 am

1 stop12h 10m

Porto

Fri 1/8

5:00 am-9:30 pm

2 stops22h 30m

$804

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Wed 12/9

9:40 am-10:35 am

2 stops18h 55m

Porto

Fri 1/8

5:00 am-9:09 pm

2 stops22h 09m

$808

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Nashville 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

What is the typical price of a round-trip flight between Nashville and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $741 to $980.
The lowest price recently found on this route was $571.

What is the cheapest month to fly to Porto?

The month of December is, on average, the cheapest month to fly to Porto from Nashville, with most prices found around $0. If you aren’t able to travel during the month of December, then book flights to Porto from Nashville during February instead. Flights to Porto in February, while not as cheap as those in December, still average around $484.

Can stopping save me money on Nashville to Porto flights?

You could potentially save up to 5% on your flight if you consider stops on a Nashville to Porto flight.

When to book flights from Nashville to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Nashville to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Nashville to Porto (BNA to OPO) flight deals and tips

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

Best Price Found	$336
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to Porto from Nashville in the past 72 hours is $336. The best round-trip flight deal from Nashville to Porto found on momondo in the last 72 hours is $571.

The fastest flight from Nashville to Porto takes 12h 10m

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

Search flight deals

Frequently asked questions about flying from Nashville to Porto

How far is Nashville Intl to Porto by plane?
Porto is 4082.3 mi away from Nashville Intl. 12h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Nashville Intl Airport to Porto Airport?
Prices for flights from Nashville Intl Airport to Porto Airport refresh daily.
How many operators does momondo search for flights from Nashville Intl Airport to Porto Airport?
As of September 2026, there are 3 operators available to choose from for flights from Nashville Intl Airport to Porto Airport.
How old do you have to be to fly from Nashville Intl Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Nashville to Porto?
momondo data reveals that the most frequently booked airline on the route from Nashville to Porto is United Airlines, representing 63% of all bookings. The subsequent popular airlines are Delta at 21% and KLM at 16%.

Best airlines flying from Nashville to Porto

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $746	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights
United Airlines	PriceFrom $751	Free Cancellation	Rating 7.4 10,246 reviews	Search United Airlines flights
KLM	PriceFrom $792	Free Cancellation	Rating 7.8 1,577 reviews	Search KLM flights

Coimbra

Vila Nova de Gaia

Braga

Aveiro

Pinhao

Matosinhos

Esposende

Chaves

Viseu

Arcos de Valdevez

Espinho

Guimarães

Lamego

Ponte de Lima

Penafiel

Caminha

Mira

Why use momondo?

Why should I use momondo to find a flight deal from Nashville 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 Nashville to Porto for you.

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

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

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

Once you have performed a search for Nashville to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Porto from Nashville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 10/28

Wed 11/4

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Nearby airports

Airlines

Cabin classes

Other Portugal destinations

Other flights from Nashville

Complete your trip

Feeling lucky

Airports servicing Portugal

Faro Airport

Lisbon Humberto Delgado Airport

Azores Airport

Madeira Airport

Algarve Airport

Cheap flights from Nashville to Porto from $336

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Nashville to Porto departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Nashville to Porto

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Nashville to Porto

Our best Delta deals on Nashville to Porto flight tickets

United Airlines flights from Nashville to Porto

Our best United Airlines deals on Nashville to Porto flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Nashville to Porto that are best for you.

See travel insights to Porto from

How to get the cheapest flight ticket from Nashville to Porto

What is the typical price of a round-trip flight between Nashville and Porto?

What is the cheapest month to fly to Porto?

Can stopping save me money on Nashville to Porto flights?

What is the cheapest airline that flies from Nashville Intl to Porto?

What airlines fly to Porto?

When to book flights from Nashville to Porto

Cheap Nashville to Porto (BNA to OPO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Nashville to Porto

Best airlines flying from Nashville to Porto

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

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Nashville

According to popular flight searches on momondo this year

Complete your trip to Porto

Explore popular destinations other users love

According to popular flight searches on momondo this year