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Porto Alegre

$220+ Cheap flights from District of Columbia 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from District of Columbia to Porto Alegre

Keep the following information in mind while searching for District of Columbia to Porto Alegre flight deals. Data was last updated September 11, 2025.

Round-trip from

$602
(Copa Airlines)

One-way from

$220
(Copa Airlines)

Popular in

December

Cheapest in

October

Average price

$586
From District of Columbia to Porto Alegre Salgado Filho
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One-way flight from District of Columbia to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 23% potential increase in price ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from District of Columbia to Porto Alegre

Cheapest flights from District of Columbia to Porto Alegre
Explore the most affordable flight options available from District of Columbia to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:35 amIAD - POA
1 stop13h 45mCopa Airlines
Sun 10/51:25 amPOA - IAD
1 stop14h 40mCopa Airlines
Deal found 9/11$602
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:25 amIAD - POA
1 stop20h 55mCopa Airlines
Sat 11/11:35 amPOA - IAD
1 stop23h 58mCopa Airlines
Deal found 9/10$636
This Copa Airlines deal was found by Cheapflights users on 9/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:25 amIAD - POA
1 stop20h 55mCopa Airlines
Sun 11/91:35 amPOA - IAD
1 stop23h 58mCopa Airlines
Deal found 9/11$674
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/2711:30 pmIAD - POA
1 stop15h 50mUnited Airlines
Mon 11/105:10 pmPOA - IAD
1 stop15h 25mUnited Airlines
Deal found 9/11$679
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/266:00 amIAD - POA
2 stops31h 20mUnited Airlines
Sun 11/24:05 pmPOA - IAD
1 stop16h 30mUnited Airlines
Deal found 9/10$699
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:25 amIAD - POA
1 stop20h 55mMultiple Airlines
Sun 11/25:30 amPOA - IAD
2 stops33h 45mMultiple Airlines
Deal found 9/10$740

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 11, 2025.
Use the filters below to find and compare flights from District of Columbia to Porto Alegre that are best for you.

Fly from

District of Columbia

Fly to

Porto Alegre

Route

Depart

Return

Price

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 10/25

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

Sat 11/1

1:35 am-12:33 am

1 stop23h 58m

$636

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 10/26

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

Sun 11/9

1:35 am-11:33 pm

1 stop23h 58m

$674

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

11:30 pm-4:20 pm

1 stop15h 50m

Porto Alegre Salgado Filho

Mon 11/10

5:10 pm-6:35 am

1 stop15h 25m

$679

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 10/26

6:00 am-2:20 pm

2 stops31h 20m

Porto Alegre Salgado Filho

Sun 11/2

4:05 pm-6:35 am

1 stop16h 30m

$699

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 10/25

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

Sun 11/2

5:30 am-1:15 pm

2 stops33h 45m

$740

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Thu 12/11

7:59 pm-6:30 am

2 stops32h 31m

Porto Alegre Salgado Filho

Sat 12/20

7:45 am-9:47 am

2 stops28h 02m

$774

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 9/29

5:25 pm-12:25 am

2 stops30h 00m

Porto Alegre Salgado Filho

Mon 10/6

7:20 am-9:16 am

2 stops26h 56m

$780

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 11/8

1:13 am-12:30 am

1 stop21h 17m

$220

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 11/3

1:13 am-12:30 am

1 stop21h 17m

$316

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 11/9

2:35 pm-11:50 pm

2 stops31h 15m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results
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Best time to book a flight from District of Columbia to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from District of Columbia 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 District of Columbia to Porto Alegre

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

Find hourly flight availability from District of Columbia to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Porto Alegre Salgado Filho (POA), located 4.0 mi from the city center, is the airport you fly into when you book flights from District of Columbia to Porto Alegre.

  • How long is the flight from District of Columbia to Porto Alegre?

    For as low as $679, Copa Airlines can have you in Porto Alegre from District of Columbia in 15h 50m. There are 5051 mi between District of Columbia and Porto Alegre. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from District of Columbia to Porto Alegre?

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

  • Can I find deals for business class flights from District of Columbia to Porto Alegre?

    Yes. Cheapflights offers flight deals from District of Columbia 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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Alternative routes for District of Columbia to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from District of Columbia to Porto Alegre

Discover the top 2 airlines that operate flights from District of Columbia to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$428Average$485FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$798Average$811FlexibilityNo cancel feeOn-time81%

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