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Porto Alegre

$664+ Cheap flights from Dulles Intl (IAD) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POA
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$710
(KAYAK)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Porto Alegre Salgado Filho flights.
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From Washington, D.C. Dulles Intl to Porto Alegre Salgado Filho
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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 February 22, 2025.

This GOL deal was found by Cheapflights users on 2/21. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:20 pmIAD - POA
2 stops17h 25mGOL
Mon 11/107:35 pmPOA - IAD
2 stops19h 25mGOL
Deal found 2/21$664
This KAYAK deal was found by Cheapflights users on 2/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/42:19 amIAD - POA
1 stop21h 06mCopa Airlines
Wed 4/231:35 amPOA - IAD
1 stop23h 54mCopa Airlines
Deal found 2/21$710
This SmartFares deal was found by Cheapflights users on 2/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/57:00 amIAD - POA
2 stops25h 45mMultiple Airlines
Thu 4/248:30 pmPOA - IAD
2 stops34h 05mMultiple Airlines
Deal found 2/20$767
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/59:10 amIAD - POA
3 stops24h 15mAmerican Airlines
Thu 4/246:35 pmPOA - IAD
2 stops22h 48mAmerican Airlines
Deal found 2/20$818
This Avianca deal was found by Cheapflights users on 2/22. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/107:00 amIAD - POA
2 stops26h 25mAvianca
Tue 4/229:05 pmPOA - IAD
2 stops33h 30mAvianca
Deal found 2/22$892
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 4/510:35 pmIAD - POA
1 stop18h 20mUnited Airlines
Thu 4/241:55 pmPOA - IAD
1 stop17h 30mUnited Airlines
Deal found 2/21$937
This LATAM Airlines deal was found by Cheapflights users on 2/21. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:05 pmIAD - POA
2 stops19h 50mLATAM Airlines
Sun 11/94:40 amPOA - IAD
2 stops21h 30mLATAM Airlines
Deal found 2/21$940
This Delta deal was found by Cheapflights users on 2/22. 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 4/131:48 pmIAD - POA
2 stops18h 37mDelta
Thu 4/177:20 amPOA - IAD
2 stops18h 08mDelta
Deal found 2/22$1,025
This Air Canada deal was found by Cheapflights users on 2/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/153:55 pmIAD - POA
2 stops20h 20mAir Canada
Mon 4/211:35 pmPOA - IAD
2 stops26h 38mAir Canada
Deal found 2/22$1,641
This FlightHub deal was found by Cheapflights users on 2/22. 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.
Sat 4/123:37 pmIAD - POA
2 stops21h 58mAzul
Sun 4/207:40 pmPOA - IAD
2 stops21h 07mAzul
Deal found 2/22$3,119

Find flights from Dulles Intl to Porto Alegre within your budget

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 February 22, 2025.

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

Fri 4/4

2:19 am-12:25 am

1 stop21h 06m

Porto Alegre Salgado Filho

Wed 4/23

1:35 am-12:29 am

1 stop23h 54m

$710

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 4/5

7:00 am-9:45 am

2 stops25h 45m

Porto Alegre Salgado Filho

Thu 4/24

8:30 pm-5:35 am

2 stops34h 05m

$767

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 4/5

9:10 am-10:25 am

3 stops24h 15m

Porto Alegre Salgado Filho

Thu 4/24

6:35 pm-4:23 pm

2 stops22h 48m

$818

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Thu 4/10

7:00 am-10:25 am

2 stops26h 25m

Porto Alegre Salgado Filho

Tue 4/22

9:05 pm-5:35 am

2 stops33h 30m

$892

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 4/5

10:35 pm-5:55 pm

1 stop18h 20m

Porto Alegre Salgado Filho

Thu 4/24

1:55 pm-6:25 am

1 stop17h 30m

$937

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 4/13

1:48 pm-9:25 am

2 stops18h 37m

Porto Alegre Salgado Filho

Thu 4/17

7:20 am-12:28 am

2 stops18h 08m

$1,025

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Thu 4/10

5:14 pm-1:50 pm

2 stops19h 36m

Porto Alegre Salgado Filho

Thu 4/17

7:20 am-12:28 am

2 stops18h 08m

$1,085

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 4/15

3:55 pm-1:15 pm

2 stops20h 20m

Porto Alegre Salgado Filho

Mon 4/21

1:35 pm-3:13 pm

2 stops26h 38m

$1,641

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 4/12

3:37 pm-2:35 pm

2 stops21h 58m

Porto Alegre Salgado Filho

Sun 4/20

7:40 pm-3:47 pm

2 stops21h 07m

$3,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Compare providers for flights from Dulles Intl to Porto Alegre

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Porto Alegre in February.
ProviderPrice AccuracyTrust Score*
CheapfaremartPrice Accuracy-Trust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Porto Alegre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Porto Alegre flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Porto Alegre flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Dulles Intl to Porto Alegre

Get recent, data-driven insights about flights from Dulles Intl to Porto Alegre including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.2

Boarding

8.1

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Azul
8.0
Very good
792 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.2

Boarding

8.1

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Delta
8.0
Very good
8,203 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.2

Boarding

8.1

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Copa Airlines
7.6
Good
1,502 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.2

Boarding

8.1

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

LATAM Airlines
7.5
Good
1,789 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.2

Boarding

8.1

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

United Airlines
7.4
Good
8,754 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.2

Boarding

8.1

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

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 $710. Additional round-trip tickets that might be worth considering are offered by American Airlines and Avianca, with the lowest prices starting at $818 and $892, respectively.

  • 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.

See more FAQs

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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$1,160Average$1,194FlexibilityNo cancel feeOn-time70%
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