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Porto Alegre

$1,422+ Cheap flights from Detroit (DTT) 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — POA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Detroit to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$1,429
(United Airlines)
From Detroit (DTT) to Porto Alegre Salgado Filho
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Find flight deals from Detroit to Porto Alegre

Cheapest flights from Detroit to Porto Alegre
Explore the most affordable flight options available from Detroit to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/172:13 pmDTW - POA
2 stops23h 52mUnited Airlines
Sun 10/264:05 pmPOA - DTW
2 stops24h 23mUnited Airlines
Deal found 9/13$1,422

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Detroit to Porto Alegre that are best for you.

Fly from

Detroit

Fly to

Porto Alegre

Route

Depart

Return

Price

DetroitPorto Alegre

DTW - POA

DTWPOA

Detroit Metropolitan Wayne County

Fri 10/17

2:13 pm-3:05 pm

2 stops23h 52m

Porto Alegre Salgado Filho

Sun 10/26

4:05 pm-3:28 pm

2 stops24h 23m

$1,422

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Detroit to Porto Alegre

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

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

  • How long is the flight from Detroit to Porto Alegre?

    For as low as $1,422, United Airlines can have you in Porto Alegre from Detroit in 23h 52m. The distance between Detroit and Porto Alegre is about 5390 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit 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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Alternative routes for Detroit to Porto Alegre

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