How does KAYAK find such low prices on flights from Missouri to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Porto Alegre. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$948 CHEAP FLIGHTS from Missouri to Porto Alegre

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Cheap Flights from Missouri to Porto Alegre

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Porto Alegre that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent round-trip flight deals from Missouri to Porto Alegre

Wed, Nov 26 - Wed, Dec 3

10:24 am - 11:30 amSTL-POA

22h 06m2 stops

5:10 am - 10:33 pmPOA-STL

20h 23m2 stops

$948Multiple Airlines

Find Deal

Wed, Mar 25 - Wed, Apr 1

11:30 am - 11:30 amSTL-POA

22h 00m2 stops

5:10 am - 10:04 pmPOA-STL

18h 54m2 stops

$996GOL

Find Deal

Mon, Mar 2 - Wed, Mar 4

4:05 pm - 2:35 pmSTL-POA

19h 30m2 stops

3:25 pm - 3:29 pmPOA-STL

27h 04m2 stops

$1,106Air Canada

Find Deal

Wed, Nov 26 - Tue, Dec 2

6:00 am - 6:30 amSTL-POA

21h 30m2 stops

4:40 am - 10:45 amPOA-STL

33h 05m2 stops

$1,332LATAM Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

10:24 am - 12:10 amSTL-POA

34h 46m3 stops

5:45 am - 10:33 pmPOA-STL

19h 48m2 stops

$1,349Multiple Airlines

Find Deal

Wed, Nov 12 - Sat, Nov 22

4:41 pm - 5:10 pmSTL-POA

21h 29m2 stops

5:35 pm - 10:37 amPOA-STL

20h 02m2 stops

$1,461American Airlines

Find Deal

Wed, Nov 12 - Sat, Nov 22

5:17 pm - 12:40 amSTL-POA

28h 23m3 stops

7:45 am - 9:58 pmPOA-STL

17h 13m2 stops

$1,481LATAM Airlines

Find Deal

Wed, Mar 25 - Wed, Apr 1

12:01 pm - 1:00 pmSTL-POA

22h 59m2 stops

7:35 pm - 12:06 pmPOA-STL

18h 31m3 stops

$2,573American Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

11:42 am - 9:55 amSTL-POA

19h 13m3 stops

7:30 pm - 1:18 pmPOA-STL

20h 48m3 stops

$3,924American Airlines

Find Deal

Wed, Mar 25 - Tue, Mar 31

12:15 pm - 12:25 amSTL-POA

34h 10m2 stops

1:45 am - 6:33 pmPOA-STL

18h 48m2 stops

$6,227Copa Airlines

Find Deal

Cheapest round-trip

$948

Multiple Airlines

Wed 11/26Wed 12/3

STL - POA • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto Alegre!

Useful Info

Cheapest flight	$948

Flight from St. Louis to Porto Alegre

How does KAYAK find such low prices on flights from Missouri to Porto Alegre?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Porto Alegre.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Porto Alegre?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Porto Alegre?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Porto Alegre?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

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Complete your trip

Direct Flights

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Return flight deals

Information on the airport you'll fly into in Porto Alegre

Porto Alegre (POA)

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POA

$948 Find Cheap Flights from Missouri to Porto Alegre

KAYAK searches hundreds of travel sites at once for deals on flights to Porto Alegre

Cheap Flights from Missouri to Porto Alegre

Recent round-trip flight deals from Missouri to Porto Alegre

Everything you should know

Good to know

FAQs for booking flights from Missouri to Porto Alegre

How does KAYAK find such low prices on flights from Missouri to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Porto Alegre.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Information on the airport you'll fly into in Porto Alegre

Cabin class types available on flights to Missouri

Complete your trip to Porto Alegre with a hotel stay or car rental

Find direct flights for Porto Alegre

Flights to other popular destinations

Flights from domestic origins to Porto Alegre

Choose which airport to fly into in Porto Alegre

Find deals for your return flight