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$589+ Cheap flights from Porto Alegre (POA) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
POA — STL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Porto Alegre to Missouri

Cheapest flights from Porto Alegre to Missouri
Explore the most affordable flight options available from Porto Alegre to Missouri. 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 1/27. 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.
Thu 8/203:30 pm
POA
-
MCI
2 stops32h 37m
United Airlines
Mon 8/243:22 pm
MCI
-
POA
2 stops20h 43m
United Airlines
Deal found 1/27$1,122

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Missouri 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 Porto Alegre to Missouri that are best for you.

Fly from

Porto Alegre

Fly to

Missouri

Route

Depart

Return

Price

Porto AlegreKansas City

POA - MCI

POAMCI

Porto Alegre Salgado Filho

Mon 4/20

5:10 pm-5:45 pm

2 stops26h 35m

$589

Porto AlegreKansas City

POA - MCI

POAMCI

Porto Alegre Salgado Filho

Sun 4/19

5:15 pm-10:21 pm

2 stops31h 06m

$628

Porto AlegreKansas City

POA - MCI

POAMCI

Porto Alegre Salgado Filho

Mon 4/20

1:20 pm-2:25 pm

3 stops27h 05m

$1,049

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Porto Alegre to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Porto Alegre 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 Porto Alegre to Missouri
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Related info for your journey

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

  • What airport do you fly from for flights from Porto Alegre to Missouri?

    Most people fly from Porto Alegre Salgado Filho (POA) if they book a flight from Porto Alegre to Missouri. Porto Alegre Salgado Filho is conveniently located just 4.0 mi from Porto Alegre’s city center.

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

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

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

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

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

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

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