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Cheap flights from Detroit to Porto Alegre from $2,074

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Porto Alegre departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Detroit to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:18 pm - 1:45 pm
DTW
-
POA
20h 27m
2 stops
United Airlines Logo
5:10 pm - 11:58 pm
POA
-
DTW
31h 48m
2 stops
$2,074United Airlines
Tue, Apr 14 - Fri, Apr 17

United Airlines flights from Detroit to Porto Alegre

Our best United Airlines deals on Detroit to Porto Alegre flight tickets
United Airlines
Apr 12
DTW4:47 pmDetroit Metropolitan Wayne County
46h 43m
2 stops
POA4:30 pmPorto Alegre Salgado Filho
Apr 15
POA4:05 pmPorto Alegre Salgado Filho
20h 49m
2 stops
DTW11:54 amDetroit Metropolitan Wayne County
$2,005
United Airlines
Apr 14
DTW4:18 pmDetroit Metropolitan Wayne County
20h 27m
2 stops
POA1:45 pmPorto Alegre Salgado Filho
Apr 17
POA5:10 pmPorto Alegre Salgado Filho
31h 48m
2 stops
DTW11:58 pmDetroit Metropolitan Wayne County
$2,074

momondo Fare Finder

 
Customize your flight search to find flights from Detroit 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, momondo users made 832,500 searches. Data last updated April 3, 2026.
Use the filters below to find and compare flights from Detroit to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DetroitPorto Alegre

DTW - POA

DTWPOA

Detroit Metropolitan Wayne County

Tue 4/14

4:18 pm-1:45 pm

2 stops20h 27m

Porto Alegre Salgado Filho

Fri 4/17

5:10 pm-11:58 pm

2 stops31h 48m

$2,074

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Detroit to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Porto Alegre (DTT to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Porto Alegre

Fastest flight time

20h 27m

Direct flights

None
The fastest flight from Detroit to Porto Alegre takes 20h 27m
There are no direct flights from Detroit to Porto Alegre. There are no popular flight routes from Detroit to Porto Alegre.
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Frequently asked questions about flying from Detroit to Porto Alegre

  • How far is Detroit to Porto Alegre Salgado Filho by plane?

    Detroit and Porto Alegre Salgado Filho are 5390.7 mi apart from one another. In terms of flight time, this usually takes a little over 20h 27m.

  • When did momondo last update prices for flights from Detroit to Porto Alegre Salgado Filho Airport?

    Prices for flights from Detroit to Porto Alegre Salgado Filho Airport are updated daily.

  • How old do you have to be to fly from Detroit to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents you'll need for your trip to Porto Alegre Salgado Filho Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Detroit to Porto Alegre

  • How do I get Price Alerts for flights from Detroit to Porto Alegre?

    Search flight deals from Detroit to Porto Alegre. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Detroit to Porto Alegre with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Porto Alegre?

Finding the right flight to Porto Alegre from Detroit is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto Alegre quick and easy, saving you time and money.

Can I find flights from Detroit to Porto Alegre with flexible booking policies on momondo?

All flight searches from Detroit to Porto Alegre on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Detroit to Porto Alegre?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from Detroit.

I’m not ready to book a flight from Detroit to Porto Alegre right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Detroit to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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