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.

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).

What is the cheapest time of day to fly from MO to POA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Porto Alegre as you normally would.

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.

$1,158+ Flights from Missouri to Porto Alegre

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Cheap flight deals from Missouri to Porto Alegre

Round-trip from	$1,158 (Mytrip)

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 June 30, 2025.

Wed 7/911:24 amSTL - POA

3 stops28h 46mMultiple Airlines

Wed 7/169:05 amPOA - STL

3 stops33h 26mMultiple Airlines

Deal found 6/28

$1,158

Wed 7/912:28 pmSTL - POA

2 stops27h 22mGOL

Wed 7/165:05 pmPOA - STL

2 stops32h 52mGOL

Deal found 6/28

$1,489

Best flights from Missouri to Porto Alegre
Discover carefully curated flight deals from Missouri to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Wed 7/911:24 amSTL - POA

3 stops28h 46mMultiple Airlines

Wed 7/169:05 amPOA - STL

3 stops33h 26mMultiple Airlines

Deal found 6/28

$1,158

Wed 7/912:28 pmSTL - POA

2 stops27h 22mGOL

Wed 7/165:05 pmPOA - STL

2 stops32h 52mGOL

Deal found 6/28

$1,489

Last-minute flights from Missouri to Porto Alegre
Discover last-minute flight deals from Missouri to Porto Alegre. Data last updated June 30, 2025 and is based on user searches.

Mon 7/71:29 pmSTL - POA

2 stops28h 21mLATAM Airlines

Mon 7/147:20 amPOA - STL

2 stops18h 33mLATAM Airlines

Deal found 6/30

$1,487

Mon 7/73:20 pmSTL - POA

2 stops23h 30mUnited Airlines

Fri 7/181:55 pmPOA - STL

2 stops22h 04mUnited Airlines

Deal found 6/30

$1,508

Tue 7/85:00 amSTL - POA

2 stops27h 25mAmerican Airlines

Tue 7/156:35 pmPOA - STL

2 stops26h 56mAmerican Airlines

Deal found 6/30

$1,495

Wed 7/911:24 amSTL - POA

3 stops28h 46mMultiple Airlines

Wed 7/169:05 amPOA - STL

3 stops33h 26mMultiple Airlines

Deal found 6/28

$1,158

Wed 7/912:28 pmSTL - POA

2 stops27h 22mGOL

Wed 7/165:05 pmPOA - STL

2 stops32h 52mGOL

Deal found 6/28

$1,489

Wed 7/97:00 amSTL - POA

2 stops21h 25mDelta

Wed 7/165:45 pmPOA - STL

2 stops20h 49mDelta

Deal found 6/30

$1,489

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Wed 7/9

11:24 am-6:10 pm

3 stops28h 46m

Porto Alegre Salgado Filho

Wed 7/16

9:05 am-4:31 pm

3 stops33h 26m

$1,158

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Wed 7/9

12:28 pm-5:50 pm

2 stops27h 22m

Porto Alegre Salgado Filho

Wed 7/16

5:05 pm-11:57 pm

2 stops32h 52m

$1,489

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Porto Alegre

Peruse reviews from past customers who have flown with GOL from Missouri to Porto Alegre to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

GOL

7.3

Good

1,081 reviews

Reviews

1 / 7

2.0

Mediocre

Monte,Feb 2025

MIA - BSB

Because of the INCREDIBLY long time to get our checked baggage, gol would not let us board our connecting flight even though we arrived at the luggage check in counter over 30 minutes before take off. We were stranded in Brasilia for two days before a flight to cruzeiro do sol was available

GOL

7.3

Good

1,081 reviews

GOL

7.3

Good

1,081 reviews

Reviews

1 / 7

2.0

Mediocre

Monte,Feb 2025

MIA - BSB

Related info for your journey

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.

See more FAQs

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$1,158+ Cheap flights from Missouri 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missouri to Porto Alegre with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 June 30, 2025.

Round-trip from

Find flight deals from Missouri to Porto Alegre

Cheapest flights from Missouri to Porto AlegreExplore 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 June 30, 2025.

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 June 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Porto Alegre that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Porto Alegre

Reviews of airlines servicing Porto Alegre

Peruse reviews from past customers who have flown with GOL from Missouri to Porto Alegre to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Porto Alegre

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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 June 30, 2025.