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Porto Alegre

$473+ Cheap flights from Missouri to Porto Alegre (POA)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — POA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Missouri to Porto Alegre

Keep the following information in mind while searching for Missouri to Porto Alegre flight deals. Data was last updated May 1, 2025.

Round-trip from

$1,064
(KAYAK)

One-way from

$473
(Delta)
From Missouri to Porto Alegre Salgado Filho
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One-way flight from Missouri to Porto Alegre Salgado Filho
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Find flight deals from Missouri to Porto Alegre

Cheapest flights from Missouri to Porto Alegre
Explore the most affordable flight options available from Missouri to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:00 amSTL - POA
2 stops27h 40mLATAM Airlines
Fri 5/306:40 amPOA - STL
2 stops18h 58mLATAM Airlines
Deal found 4/30$1,064
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:31 amSTL - POA
3 stops21h 54mAmerican Airlines
Fri 5/306:35 pmPOA - STL
2 stops22h 52mAmerican Airlines
Deal found 4/30$2,448

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri 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 May 1, 2025.
Use the filters below to find and compare flights from Missouri to Porto Alegre that are best for you.

Fly from

Missouri

Fly to

Porto Alegre

Route

Depart

Return

Price

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/17

6:00 am-11:40 am

2 stops27h 40m

Porto Alegre Salgado Filho

Fri 5/30

6:40 am-11:38 pm

2 stops18h 58m

$1,064

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/17

10:31 am-10:25 am

3 stops21h 54m

Porto Alegre Salgado Filho

Fri 5/30

6:35 pm-3:27 pm

2 stops22h 52m

$2,448

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Mon 5/19

5:40 pm-1:50 pm

2 stops18h 10m

$473

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Mon 5/19

1:59 pm-1:25 pm

3 stops21h 26m

$1,924

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Missouri to Porto Alegre

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

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto Alegre ranges from 2.8 - 5.1 inches per month. September is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Porto Alegre when rainfall is around 2.8 in.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Porto Alegre

Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Porto Alegre. 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 into for flights to Porto Alegre from Missouri?

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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.

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