$1,127+ Cheap flights from Tennessee to Porto Alegre (POA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — POA
Jan 14 — Jan 211
1 adult, Economy
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Best flights from Tennessee to Porto AlegreDiscover carefully curated flight deals from Tennessee to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.
Discover carefully curated flight deals from Tennessee to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 3/156:19 pmBNA - POA
2 stops41h 46mUnited Airlines
Wed 3/185:10 pmPOA - BNA
2 stops25h 52mUnited Airlines
Deal found 12/12![United Airlines logo]()
$1,127
Find flight deals from Tennessee to Porto Alegre
Keep the following information in mind while searching for Tennessee to Porto Alegre flight deals. Data was last updated December 15, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $1,127 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Tennessee 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, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Tennessee to Porto Alegre that are best for you.
Fly from
Tennessee
Fly to
Porto Alegre
Route
Depart
Return
Price
NashvillePorto Alegre
BNA - POA
BNAPOA
Nashville Intl
Sun 3/15
6:19 pm-2:05 pm
2 stops41h 46m
Porto Alegre Salgado Filho
Wed 3/18
5:10 pm-5:02 pm
2 stops25h 52m
$1,127
Best time to book a flight from Tennessee to Porto Alegre
Have a flexible travel schedule? Discover the best time to fly to Porto Alegre 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 Alegre
What is the cheapest time of day to fly from TN to POA?
Find hourly flight availability from Tennessee to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.
One of the essential ways to save on airfare from Tennessee to Porto Alegre is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 49% on airfare.