$543 Cheap Flights from Jacksonville (JAX) to Porto Alegre (POA)

View $543 flight on Wed, Mar 11, 2026Opens in a new window

Popular airlines from Jacksonville International Airport (JAX) to Salgado Filho Intl. Airport (POA)

Cheap Flights from Jacksonville to Porto Alegre (JAX-POA)

Prices were available within the past 7 days and start at $543 for one-way flights and $806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Mar 25 - Fri, Apr 10
JAX
Jacksonville
POA
Porto Alegre
$806 Roundtrip, found 6 days ago
$806
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Mar 25 from Jacksonville to Porto Alegre, returning Fri, Apr 10, priced at $806 found 6 days ago
American Airlines
Thu, Mar 26 - Fri, Apr 10
JAX
Jacksonville
POA
Porto Alegre
$899 Roundtrip, found 6 days ago
$899
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Mar 26 from Jacksonville to Porto Alegre, returning Fri, Apr 10, priced at $899 found 6 days ago
American Airlines
Wed, Mar 25 - Sun, Apr 5
JAX
Jacksonville
POA
Porto Alegre
$972 Roundtrip, found 6 days ago
$972
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Mar 25 from Jacksonville to Porto Alegre, returning Sun, Apr 5, priced at $972 found 6 days ago
American Airlines
Thu, Mar 26 - Tue, Apr 7
JAX
Jacksonville
POA
Porto Alegre
$976 Roundtrip, found 6 days ago
$976
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Mar 26 from Jacksonville to Porto Alegre, returning Tue, Apr 7, priced at $976 found 6 days ago
American Airlines
Sun, Mar 29 - Tue, Apr 7
JAX
Jacksonville
POA
Porto Alegre
$1,000 Roundtrip, found 6 days ago
$1,000
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Mar 29 from Jacksonville to Porto Alegre, returning Tue, Apr 7, priced at $1,000 found 6 days ago
United
Tue, Mar 31 - Wed, Apr 8
JAX
Jacksonville
POA
Porto Alegre
$1,008 Roundtrip, found 6 days ago
$1,008
Roundtrip
found 6 days ago
Select United flight, departing Tue, Mar 31 from Jacksonville to Porto Alegre, returning Wed, Apr 8, priced at $1,008 found 6 days ago
American Airlines
Tue, Mar 31 - Fri, Apr 10
JAX
Jacksonville
POA
Porto Alegre
$1,009 Roundtrip, found 6 days ago
$1,009
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Mar 31 from Jacksonville to Porto Alegre, returning Fri, Apr 10, priced at $1,009 found 6 days ago
Delta
Fri, Mar 27 - Wed, Apr 8
JAX
Jacksonville
POA
Porto Alegre
$1,041 Roundtrip, found 6 days ago
$1,041
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Mar 27 from Jacksonville to Porto Alegre, returning Wed, Apr 8, priced at $1,041 found 6 days ago
Delta
Sat, Mar 28 - Tue, Apr 7
JAX
Jacksonville
POA
Porto Alegre
$1,048 Roundtrip, found 6 days ago
$1,048
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Mar 28 from Jacksonville to Porto Alegre, returning Tue, Apr 7, priced at $1,048 found 6 days ago
LATAM Airlines Group
Sat, Mar 28 - Tue, Apr 7
JAX
Jacksonville
POA
Porto Alegre
$1,078 Roundtrip, found 6 days ago
$1,078
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Sat, Mar 28 from Jacksonville to Porto Alegre, returning Tue, Apr 7, priced at $1,078 found 6 days ago

Frequently asked questions

How much does a flight from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA) cost?
Lock in a cheap one-way flight from $543 or cheap return flight from $806 from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA)?
The cheapest month to fly from JAX to POA is March, when demand is low. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA)?
To find the cheapest airline flying from JAX to POA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA)?
There are no daily direct flights available from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from JAX to POA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA)?
Opt for a flight from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA) last-minute?
Holding off until just before your departure to book a ticket from JAX to POA generally means paying more. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of landing a bargain.
Is it cheaper to book a JAX to POA flight and hotel package?
Compared with arranging hotels and flights separately, booking a JAX to POA flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Jacksonville Intl. Airport (JAX) to Salgado Filho Intl. Airport (POA)?
Generally, it's possible to cancel or reschedule your JAX to POA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Jacksonville Intl.
Destination airport
Salgado Filho Intl.
Airlines serving
American Airlines, Delta, LATAM Airlines Group, United
Roundtrip price
$805
Distance
4634 mi

Book with confidence

Jacksonville to Porto Alegre Flights

The cheapest times to fly from Jacksonville to Porto Alegre

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Jacksonville to Porto Alegre are during the month of March. You can find some of the cheapest flights from Jacksonville to Porto Alegre with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jacksonville to Porto Alegre

Sunday is one of the best days to book for cheap flights from Jacksonville to Porto Alegre: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Jacksonville to Porto Alegre

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Jacksonville to Porto Alegre in 2025. You can also book with separate airlines for your outbound and return journeys, from $543 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Jacksonville to Porto Alegre flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Jacksonville to Porto Alegre airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Jacksonville to Porto Alegre Flights

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*Available to One Key members.