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Dulles Intl

$784+ Cheap flights from Porto Alegre (POA) to Dulles Intl (IAD)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
POA — IAD
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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Cheap flight deals from Porto Alegre to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Dulles Intl (IAD). 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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(Copa Airlines)

Popular in

December

Cheapest in

January

Average price

$1,141
Provider with most accurate pricing for Porto Alegre Salgado Filho-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Washington, D.C. Dulles Intl flights.
Search Deals
From Porto Alegre Salgado Filho to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($98 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Porto Alegre to Dulles Intl

Cheapest flights from Porto Alegre to Dulles Intl
Explore the most affordable flight options available from Porto Alegre to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Copa Airlines deal was found by Cheapflights users on 3/2. 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.
Wed 5/71:20 amPOA - IAD
1 stop14h 44mCopa Airlines
Fri 5/162:21 amIAD - POA
1 stop20h 54mCopa Airlines
Deal found 3/2$784
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Mon 9/226:35 pmPOA - IAD
2 stops22h 43mAmerican Airlines
Sat 10/411:30 amIAD - POA
2 stops22h 05mAmerican Airlines
Deal found 3/2$807
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/295:35 pmPOA - IAD
2 stops21h 36mUnited Airlines
Thu 5/1510:35 pmIAD - POA
1 stop17h 15mUnited Airlines
Deal found 3/2$817
This LATAM Airlines deal was found by Cheapflights users on 3/2. 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 3/312:35 pmPOA - IAD
2 stops23h 35mLATAM Airlines
Sat 4/512:11 pmIAD - POA
2 stops20h 14mLATAM Airlines
Deal found 3/2$856
This Gurufare deal was found by Cheapflights users on 3/3. 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.
Fri 5/161:20 amPOA - IAD
1 stop14h 44mMultiple Airlines
Sun 6/84:34 pmIAD - POA
2 stops22h 41mMultiple Airlines
Deal found 3/3$990
This Avianca deal was found by Cheapflights users on 3/3. 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 3/1311:45 amPOA - IAD
2 stops19h 05mAvianca
Wed 3/193:20 pmIAD - POA
2 stops22h 05mAvianca
Deal found 3/3$995
This Air Canada deal was found by Cheapflights users on 3/2. 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.
Fri 4/181:35 pmPOA - IAD
2 stops25h 21mAir Canada
Mon 4/2110:35 amIAD - POA
2 stops28h 40mAir Canada
Deal found 3/2$1,472
This Delta deal was found by Cheapflights users on 3/2. 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.
Wed 4/162:35 pmPOA - IAD
2 stops23h 26mDelta
Sun 4/2012:29 pmIAD - POA
2 stops16h 56mDelta
Deal found 3/2$1,520

Find flights from Porto Alegre to Dulles Intl within your budget

Customize your flight search to find flights from Porto Alegre to Dulles Intl 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 March 3, 2025.

Fly from

Porto Alegre

Fly to

Dulles Intl

Route

Depart

Return

Price

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 5/7

1:20 am-3:04 pm

1 stop14h 44m

Washington, D.C. Dulles Intl

Fri 5/16

2:21 am-12:15 am

1 stop20h 54m

$784

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 4/29

6:35 pm-4:22 pm

3 stops22h 47m

Washington, D.C. Dulles Intl

Thu 5/15

9:11 am-10:25 am

3 stops24h 14m

$808

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 4/29

5:35 pm-2:11 pm

2 stops21h 36m

Washington, D.C. Dulles Intl

Thu 5/15

10:35 pm-4:50 pm

1 stop17h 15m

$817

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 3/31

2:35 pm-1:10 pm

2 stops23h 35m

Washington, D.C. Dulles Intl

Sat 4/5

12:11 pm-9:25 am

2 stops20h 14m

$856

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Fri 5/16

1:20 am-3:04 pm

1 stop14h 44m

Washington, D.C. Dulles Intl

Sun 6/8

4:34 pm-4:15 pm

2 stops22h 41m

$990

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 3/13

11:45 am-5:50 am

2 stops19h 05m

Washington, D.C. Dulles Intl

Wed 3/19

3:20 pm-2:25 pm

2 stops22h 05m

$995

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Fri 4/18

1:35 pm-1:56 pm

2 stops25h 21m

Washington, D.C. Dulles Intl

Mon 4/21

10:35 am-4:15 pm

2 stops28h 40m

$1,472

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 4/16

2:35 pm-1:01 pm

2 stops23h 26m

Washington, D.C. Dulles Intl

Sun 4/20

12:29 pm-6:25 am

2 stops16h 56m

$1,520

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Compare providers for flights from Porto Alegre to Dulles Intl

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 Porto Alegre to Dulles Intl in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 Porto Alegre-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto Alegre-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto Alegre-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto Alegre-Washington, D.C. Dulles Intl Airport 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 Porto Alegre-Washington, D.C. Dulles Intl Airport 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 Porto Alegre to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Porto Alegre 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 Porto Alegre to Dulles Intl

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

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

Find hourly flight availability from Porto Alegre to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto Alegre to Washington, D.C. Dulles Intl Airport as you normally would.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated March 3, 2025.
See what other customers who have flown with Delta, Copa Airlines and LATAM Airlines from Porto Alegre to Washington, D.C. have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,068 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,068 reviews
Delta
8.0
Very good
8,068 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines
7.6
Good
1,464 reviews
Delta
8.0
Very good
8,068 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,763 reviews
Delta
8.0
Very good
8,068 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,679 reviews
Delta
8.0
Very good
8,068 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,068 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    If you book a flight to Washington, D.C. Dulles Intl from Porto Alegre, you will be flying from Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre. There are 0 flights from Salgado Filho to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

    According to our current data, Copa Airlines ($784), American Airlines ($808), and United Airlines ($817) offers the cheapest pricing from Porto Alegre to Washington, D.C. Dulles Intl Airport. Copa Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Porto Alegre to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Porto Alegre to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto Alegre?

Book flights to Porto Alegre if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Gaithersburg
Fredericksburg
Silver Spring
Linthicum Heights
Woodbridge
Laurel
Falls Church
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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