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Porto Alegre

$1,299+ Cheap flights from Philadelphia (PHL) 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — POA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Philadelphia to Porto Alegre

Cheapest flights from Philadelphia to Porto Alegre
Explore the most affordable flight options available from Philadelphia to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 3/28:00 am
PHL
-
POA
2 stops30h 25m
United Airlines
Thu 3/53:30 pm
POA
-
PHL
2 stops22h 15m
United Airlines
Deal found 1/26$1,299
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/137:45 pm
PHL
-
POA
2 stops19h 30m
United Airlines
Fri 3/203:25 pm
POA
-
PHL
2 stops19h 22m
United Airlines
Deal found 1/27$1,390
This AranGrant deal was found by Cheapflights users on 1/28. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:02 pm
PHL
-
POA
2 stops18h 28m
Multiple Airlines
Wed 3/45:45 pm
POA
-
PHL
2 stops18h 02m
Multiple Airlines
Deal found 1/28$4,127

Find flight deals from Philadelphia to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 January 29, 2026.

Round-trip from

$1,299
(United Airlines)
From Philadelphia to Porto Alegre Salgado Filho
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 January 29, 2026.
Use the filters below to find and compare flights from Philadelphia to Porto Alegre that are best for you.

Fly from

Philadelphia

Fly to

Porto Alegre

Route

Depart

Return

Price

PhiladelphiaPorto Alegre

PHL - POA

PHLPOA

Philadelphia

Mon 3/2

8:00 am-4:25 pm

2 stops30h 25m

Porto Alegre Salgado Filho

Thu 3/5

3:30 pm-11:45 am

2 stops22h 15m

$1,299

PhiladelphiaPorto Alegre

PHL - POA

PHLPOA

Philadelphia

Fri 3/13

7:45 pm-4:15 pm

2 stops19h 30m

Porto Alegre Salgado Filho

Fri 3/20

3:25 pm-9:47 am

2 stops19h 22m

$1,390

PhiladelphiaPorto Alegre

PHL - POA

PHLPOA

Philadelphia

Wed 2/25

8:02 pm-4:30 pm

2 stops18h 28m

Porto Alegre Salgado Filho

Wed 3/4

5:45 pm-9:47 am

2 stops18h 02m

$4,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Philadelphia to Porto Alegre

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

What is the cheapest month to book a flight from Philadelphia to Porto Alegre?

Currently, June is the cheapest month in which you can book a flight from Philadelphia to Porto Alegre (average of $354). Flying from Philadelphia to Porto Alegre in December is currently the most expensive (average of $861). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 Philadelphia to Porto Alegre?

    There are many flights that can get you from Philadelphia to Porto Alegre in 30h 25m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5065 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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.

  • What is the cheapest month to book a flight from Philadelphia to Porto Alegre?

    Currently, June is the cheapest month in which you can book a flight from Philadelphia to Porto Alegre (average of $354). Flying from Philadelphia to Porto Alegre in December is currently the most expensive (average of $861). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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