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Cheap flights from Nashville to Porto Alegre from $704

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 Alegre departing on 6/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Nashville to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 9:55 am
BNA
-
POA
21h 10m
2 stops
United Airlines Logo
3:30 pm - 9:39 am
POA
-
BNA
20h 09m
2 stops
$1,351United Airlines
Fri, Aug 14 - Tue, Aug 18
United Airlines Logo
10:45 am - 9:55 am
BNA
-
POA
21h 10m
2 stops
United Airlines Logo
5:10 pm - 3:53 pm
POA
-
BNA
24h 43m
2 stops
$1,352United Airlines
Fri, Aug 14 - Tue, Aug 18

United Airlines flights from Nashville to Porto Alegre

Our best United Airlines deals on Nashville to Porto Alegre flight tickets
United Airlines
Aug 14
BNA10:45 amNashville Intl
21h 10m
2 stops
POA9:55 amPorto Alegre Salgado Filho
Aug 18
POA3:30 pmPorto Alegre Salgado Filho
20h 09m
2 stops
BNA9:39 amNashville Intl
$1,351
United Airlines
Aug 14
BNA10:45 amNashville Intl
21h 10m
2 stops
POA9:55 amPorto Alegre Salgado Filho
Aug 18
POA5:10 pmPorto Alegre Salgado Filho
24h 43m
2 stops
BNA3:53 pmNashville Intl
$1,352

momondo Fare Finder

 
Customize your flight search to find flights from Nashville to Porto Alegre 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, momondo users made 832,500 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Nashville to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NashvillePorto Alegre

BNA - POA

BNAPOA

Nashville Intl

Fri 8/14

10:45 am-9:55 am

2 stops21h 10m

Porto Alegre Salgado Filho

Tue 8/18

3:30 pm-9:39 am

2 stops20h 09m

$1,351

NashvillePorto Alegre

BNA - POA

BNAPOA

Nashville Intl

Fri 8/14

10:45 am-9:55 am

2 stops21h 10m

Porto Alegre Salgado Filho

Tue 8/18

5:10 pm-3:53 pm

2 stops24h 43m

$1,352
Cheapest one-way
Quickest one-way

NashvillePorto Alegre

BNA - POA

BNAPOA

Nashville Intl

Sat 6/27

6:00 am-3:25 pm

2 stops31h 25m

$704

NashvillePorto Alegre

BNA - POA

BNAPOA

Nashville Intl

Sat 6/27

6:35 pm-9:45 am

3 stops37h 10m

$1,760

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Nashville to Porto Alegre

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

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

United Airlines is the most popular carrier operating from Nashville Intl to Porto Alegre Salgado Filho

When to book flights from Nashville to Porto Alegre

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

Cheap Nashville to Porto Alegre (BNA to POA) flight deals and tips

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

Fastest flight time

23h 08m

Direct flights

None
The fastest flight from Nashville to Porto Alegre takes 23h 08m
There are no direct flights from Nashville to Porto Alegre. There are no popular flight routes from Nashville to Porto Alegre.
Search flight deals

  • How far is Nashville Intl to Porto Alegre Salgado Filho by plane?

    There are 5118.9 mi between Nashville Intl and Porto Alegre Salgado Filho. In terms of flight time, this usually takes a little over 23h 08m.

  • When did momondo last update prices for flights from Nashville Intl Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Nashville Intl Airport to Porto Alegre Salgado Filho Airport are updated daily.

  • How old do you have to be to fly from Nashville Intl Airport to Porto Alegre Salgado Filho 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 Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The necessary travel and health documents for your Porto Alegre Salgado Filho 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.

Why use momondo?

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

Finding the right flight to Porto Alegre from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto Alegre quick and easy, saving you time and money.

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

Flights from Nashville to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from Nashville.

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

Yes. momondo can track prices for Nashville to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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