HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$1,310+ Cheap flights from Chattanooga (CHA) 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — POA
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chattanooga to Porto Alegre with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chattanooga to Porto Alegre

Cheapest flights from Chattanooga to Porto Alegre
Explore the most affordable flight options available from Chattanooga to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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.
vie. 3/202:01 pm
CHA
-
POA
2 stops25h 14m
United Airlines
mar. 3/243:25 pm
POA
-
CHA
2 stops26h 22m
United Airlines
Deal found 1/25$1,310

Find flight deals from Chattanooga to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 27, 2026.

Round-trip from

$1,310
(United Airlines)
From Chattanooga Lovell Field to Porto Alegre Salgado Filho
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga 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 enero 27, 2026.
Use the filters below to find and compare flights from Chattanooga to Porto Alegre that are best for you.

Fly from

Chattanooga

Fly to

Porto Alegre

Route

Depart

Return

Price

ChattanoogaPorto Alegre

CHA - POA

CHAPOA

Chattanooga Lovell Field

vie. 3/20

10:53 am-2:40 pm

2 stops26h 47m

Porto Alegre Salgado Filho

mar. 3/24

5:10 pm-1:26 pm

2 stops21h 16m

$1,310

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Best time to book a flight from Chattanooga to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Chattanooga 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.

Related info for your journey

Find useful and relevant information for your journey from Chattanooga to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chattanooga to Porto Alegre?

    United Airlines can get you from Chattanooga to Porto Alegre in just under 26h 47m. Your travel time can differ by up to . Chattanooga and Porto Alegre are separated by a distance of 5006 mi.

  • Can I find deals for flights from Chattanooga to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Chattanooga to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chattanooga to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chattanooga to Porto Alegre.

  • Can I find deals for business class flights from Chattanooga to Porto Alegre?

    Yes. Cheapflights offers flight deals from Chattanooga to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chattanooga to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Porto Alegre flights
Memphis to Porto Alegre flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.