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Porto Alegre

$200+ Cheap flights from Dulles Intl (IAD) 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POA
Jun 14 — Jun 211
Sat 6/14
Sat 6/21
1 adult, Economy
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Cheap flight deals from Dulles Intl to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 June 9, 2025.

Round-trip from

$555
(Copa Airlines)

One-way from

$200
(Copa Airlines)

Popular in

December

Cheapest in

May

Average price

$639
From Washington, D.C. Dulles Intl to Porto Alegre Salgado Filho
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One-way flight from Washington, D.C. Dulles Intl to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 13% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Porto Alegre

Cheapest flights from Dulles Intl to Porto Alegre
Explore the most affordable flight options available from Dulles Intl to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/8. 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 10/262:18 amIAD - POA
1 stop21h 14mCopa Airlines
Sun 11/91:37 amPOA - IAD
1 stop23h 56mCopa Airlines
Deal found 6/8$555
This FlightHub deal was found by Cheapflights users on 6/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:20 pmIAD - POA
2 stops48h 05mAvianca
Wed 12/311:20 amPOA - IAD
2 stops51h 40mAvianca
Deal found 6/7$622
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:45 amIAD - POA
3 stops24h 55mMultiple Airlines
Sat 10/119:05 pmPOA - IAD
2 stops33h 30mMultiple Airlines
Deal found 6/9$655
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:00 amIAD - POA
2 stops23h 25mLATAM Airlines
Mon 7/147:20 amPOA - IAD
2 stops26h 59mLATAM Airlines
Deal found 6/8$758
This Gurufare deal was found by Cheapflights users on 6/7. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:20 pmIAD - POA
2 stops31h 20mGOL
Mon 11/105:00 amPOA - IAD
2 stops34h 00mGOL
Deal found 6/7$790
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/66:00 amIAD - POA
2 stops23h 25mDelta
Mon 7/147:20 amPOA - IAD
2 stops34h 05mDelta
Deal found 6/8$807
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/610:35 pmIAD - POA
1 stop13h 45mUnited Airlines
Thu 7/171:50 pmPOA - IAD
1 stop17h 35mUnited Airlines
Deal found 6/8$1,105
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:55 pmIAD - POA
2 stops36h 55mAzul
Sun 11/912:50 amPOA - IAD
2 stops36h 38mAzul
Deal found 6/7$1,412
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 11/122:04 pmIAD - POA
3 stops21h 26mAmerican Airlines
Wed 12/36:35 pmPOA - IAD
2 stops23h 31mAmerican Airlines
Deal found 6/7$3,314
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 7/710:20 pmIAD - POA
1 stop22h 25mTAP AIR PORTUGAL
Thu 7/179:55 pmPOA - IAD
1 stop23h 55mTAP AIR PORTUGAL
Deal found 6/8$4,209

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 June 9, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Porto Alegre that are best for you.

Fly from

Dulles Intl

Fly to

Porto Alegre

Route

Depart

Return

Price

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 10/26

2:18 am-12:32 am

1 stop21h 14m

Porto Alegre Salgado Filho

Sun 11/9

1:37 am-11:33 pm

1 stop23h 56m

$555

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Wed 11/12

2:20 pm-4:25 pm

2 stops48h 05m

Porto Alegre Salgado Filho

Wed 12/3

11:20 am-1:00 pm

2 stops51h 40m

$622

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 10/3

5:45 am-7:40 am

3 stops24h 55m

Porto Alegre Salgado Filho

Sat 10/11

9:05 pm-5:35 am

2 stops33h 30m

$655

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 7/5

6:00 am-6:25 am

2 stops23h 25m

Porto Alegre Salgado Filho

Mon 7/14

7:20 am-9:19 am

2 stops26h 59m

$758

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

3:20 pm-11:40 pm

2 stops31h 20m

Porto Alegre Salgado Filho

Mon 11/10

5:00 am-1:00 pm

2 stops34h 00m

$790

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 7/6

6:00 am-6:25 am

2 stops23h 25m

Porto Alegre Salgado Filho

Mon 7/14

7:20 am-4:25 pm

2 stops34h 05m

$807

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 7/6

10:35 pm-1:20 pm

1 stop13h 45m

Porto Alegre Salgado Filho

Thu 7/17

1:50 pm-6:25 am

1 stop17h 35m

$1,105

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

5:55 pm-7:50 am

2 stops36h 55m

Porto Alegre Salgado Filho

Sun 11/9

12:50 am-11:28 am

2 stops36h 38m

$1,412

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Wed 11/12

2:04 pm-1:30 pm

3 stops21h 26m

Porto Alegre Salgado Filho

Wed 12/3

6:35 pm-4:06 pm

2 stops23h 31m

$3,314

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 7/7

10:20 pm-9:45 pm

1 stop22h 25m

Porto Alegre Salgado Filho

Thu 7/17

9:55 pm-8:50 pm

1 stop23h 55m

$4,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 14 results
1
2

Best time to book a flight from Dulles Intl to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Porto Alegre

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

Find hourly flight availability from Dulles Intl 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 June 9, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Porto Alegre in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight at noon.

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 June 9, 2025.
Azul
8.0
Very good
781 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
Azul
8.0
Very good
781 reviews
Azul
8.0
Very good
781 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
Delta
8.0
Very good
7,952 reviews
Azul
8.0
Very good
781 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
LATAM Airlines
7.5
Good
1,785 reviews
Azul
8.0
Very good
781 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
Copa Airlines
7.5
Good
1,445 reviews
Azul
8.0
Very good
781 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
United Airlines
7.4
Good
8,782 reviews
Azul
8.0
Very good
781 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl?

    Most people fly into Porto Alegre Salgado Filho (POA) if they book a flight to Porto Alegre from Washington, D.C. Dulles Intl. On average, Salgado Filho has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Porto Alegre Salgado Filho is conveniently located just 4.0 mi from Porto Alegre’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Porto Alegre round-trip?

    Flying on Copa Airlines is currently your cheapest option to Porto Alegre, with prices starting at $555. Additional round-trip tickets that might be worth considering are offered by Avianca and LATAM Airlines, with the lowest prices starting at $622 and $758, respectively.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Porto Alegre one-way?

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $200. United Airlines flights start at $301 while deals on Avianca start at $573 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Dulles Intl to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Santa Maria flights

Top airline flying from Dulles Intl to Porto Alegre

Discover the top airline that operate flights from Dulles Intl 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 June 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$403Average$743FlexibilityNo cancel feeOn-time70%

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