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Dulles Intl

$349+ Cheap flights from Porto Alegre (POA) to Dulles Intl (IAD)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
POA — IAD
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$451
(Copa Airlines)

One-way from

$349
(Avianca)

Popular in

December

Cheapest in

October

Average price

$1,044
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.
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From Porto Alegre Salgado Filho to Washington, D.C. Dulles Intl
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One-way flight from Porto Alegre Salgado Filho to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 25% potential increase in price ($379 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($106 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/61:23 amPOA - IAD
1 stop24h 06mCopa Airlines
Sat 6/142:21 amIAD - POA
1 stop20h 54mCopa Airlines
Deal found 4/29$451
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/41:55 pmPOA - IAD
1 stop17h 30mUnited Airlines
Sun 6/1510:35 pmIAD - POA
1 stop17h 15mUnited Airlines
Deal found 4/29$599
This Avianca deal was found by Cheapflights users on 4/29. 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 8/71:35 pmPOA - IAD
2 stops17h 00mMultiple Airlines
Sun 8/173:25 pmIAD - POA
2 stops18h 10mMultiple Airlines
Deal found 4/29$675
This GOL deal was found by Cheapflights users on 4/29. 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.
Tue 10/215:05 pmPOA - IAD
2 stops45h 55mGOL
Fri 10/313:20 pmIAD - POA
2 stops31h 20mGOL
Deal found 4/29$682
This Avianca deal was found by Cheapflights users on 4/29. 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.
Wed 8/611:20 amPOA - IAD
2 stops27h 40mAvianca
Sat 8/163:25 pmIAD - POA
2 stops42h 10mAvianca
Deal found 4/29$785
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Sat 6/711:00 amPOA - IAD
2 stops25h 14mAir Canada
Sat 6/1410:20 amIAD - POA
2 stops29h 05mAir Canada
Deal found 4/29$1,297
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 6/77:20 amPOA - IAD
2 stops17h 15mLATAM Airlines
Sat 6/142:00 pmIAD - POA
2 stops18h 45mLATAM Airlines
Deal found 4/29$1,422
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/87:25 pmPOA - IAD
3 stops21h 52mAmerican Airlines
Sat 5/175:02 amIAD - POA
3 stops28h 23mAmerican Airlines
Deal found 4/29$2,147

Cheapflights Fare Finder

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 April 30, 2025.
Use the filters below to find and compare flights from Porto Alegre to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Porto Alegre

Fly to

Dulles Intl

Route

Depart

Return

Price

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Fri 6/6

1:23 am-12:29 am

1 stop24h 06m

Washington, D.C. Dulles Intl

Sat 6/14

2:21 am-12:15 am

1 stop20h 54m

$451

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 6/4

1:55 pm-6:25 am

1 stop17h 30m

Washington, D.C. Dulles Intl

Sun 6/15

10:35 pm-4:50 pm

1 stop17h 15m

$599

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 8/7

1:35 pm-5:35 am

2 stops17h 00m

Washington, D.C. Dulles Intl

Sun 8/17

3:25 pm-10:35 am

2 stops18h 10m

$675

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 10/21

5:05 pm-2:00 pm

2 stops45h 55m

Washington, D.C. Dulles Intl

Fri 10/31

3:20 pm-11:40 pm

2 stops31h 20m

$682

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 8/6

1:35 pm-2:00 pm

2 stops25h 25m

Washington, D.C. Dulles Intl

Sun 8/17

7:00 am-10:35 am

2 stops26h 35m

$785

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sat 6/7

11:00 am-11:14 am

2 stops25h 14m

Washington, D.C. Dulles Intl

Sat 6/14

10:20 am-4:25 pm

2 stops29h 05m

$1,297

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sat 6/7

7:20 am-11:35 pm

2 stops17h 15m

Washington, D.C. Dulles Intl

Sat 6/14

2:00 pm-9:45 am

2 stops18h 45m

$1,422

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sat 6/7

5:15 pm-5:11 pm

3 stops24h 56m

Washington, D.C. Dulles Intl

Sun 6/15

6:55 am-10:25 am

3 stops26h 30m

$3,550

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 10/14

11:20 am-5:35 am

2 stops19h 15m

$349

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 5/12

9:05 pm-2:00 pm

3 stops41h 55m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 13 results
1
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  • 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.

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to Washington, D.C. Dulles Intl Airport

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 April 30, 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 April 30, 2025.
See what other customers who have flown with LATAM Airlines, Copa Airlines and United 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.
LATAM Airlines
7.5
Good
1,767 reviews

Comfort

7.4

Food

6.7

Entertainment

7.0

Crew

8.1

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
LATAM Airlines
7.5
Good
1,767 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Comfort

7.4

Food

6.7

Entertainment

7.0

Crew

8.1

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
Copa Airlines
7.5
Good
1,411 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Comfort

7.4

Food

6.7

Entertainment

7.0

Crew

8.1

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
United Airlines
7.4
Good
8,696 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Comfort

7.4

Food

6.7

Entertainment

7.0

Crew

8.1

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
GOL
7.3
Good
1,068 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Comfort

7.4

Food

6.7

Entertainment

7.0

Crew

8.1

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,767 reviews

Comfort

7.4

Food

6.7

Entertainment

7.0

Crew

8.1

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

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 ($451), United Airlines ($599), and GOL ($682) offers the cheapest pricing from Porto Alegre to Washington, D.C. Dulles Intl Airport. Copa Airlines is priced at 58% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $349. However, be on the lookout for offers from GOL and Copa Airlines, as they are both options that can get you from Porto Alegre to Washington, D.C. Dulles Intl Airport for a low price.

  • 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 $373). 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
Alexandria
Arlington
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Fairfax
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Linthicum Heights
Falls Church
Laurel
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National Harbor
Oxon Hill

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