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Dulles Intl

$347+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
POA — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$689
(Copa Airlines)

One-way from

$347
(Copa Airlines)

Popular in

December

Cheapest in

June

Average price

$587
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. 34% potential increase in price ($502 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($120 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 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 junio 12, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 10/201:27 amPOA - IAD
1 stop24h 04mCopa Airlines
vie. 10/319:25 amIAD - POA
1 stop14h 07mCopa Airlines
Deal found 6/11$689
This Avianca deal was found by Cheapflights users on 6/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2111:05 amPOA - IAD
2 stops19h 30mAvianca
vie. 10/317:10 amIAD - POA
2 stops31h 10mAvianca
Deal found 6/11$736
This GOL deal was found by Cheapflights users on 6/11. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/265:05 pmPOA - IAD
2 stops45h 55mGOL
jue. 9/43:25 pmIAD - POA
2 stops21h 00mGOL
Deal found 6/11$1,064
This Flightnetwork deal was found by Cheapflights users on 6/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/242:10 pmPOA - IAD
2 stops25h 09mMultiple Airlines
mar. 7/13:25 pmIAD - POA
2 stops32h 05mMultiple Airlines
Deal found 6/12$1,085
This 123 Milhas deal was found by Cheapflights users on 6/11. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/2412:35 pmPOA - IAD
2 stops24h 24mLATAM Airlines
lun. 6/305:29 pmIAD - POA
2 stops25h 21mLATAM Airlines
Deal found 6/11$1,169
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/261:50 pmPOA - IAD
1 stop17h 35mUnited Airlines
jue. 9/410:35 pmIAD - POA
1 stop17h 15mUnited Airlines
Deal found 6/9$1,390
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:35 pmPOA - IAD
2 stops22h 32mAmerican Airlines
sáb. 11/110:53 amIAD - POA
3 stops22h 42mAmerican Airlines
Deal found 6/10$2,945

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 junio 12, 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

lun. 10/20

1:27 am-12:31 am

1 stop24h 04m

Washington, D.C. Dulles Intl

vie. 10/31

9:25 am-12:32 am

1 stop14h 07m

$689

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

mar. 10/21

11:05 am-5:35 am

2 stops19h 30m

Washington, D.C. Dulles Intl

vie. 10/31

7:10 am-3:20 pm

2 stops31h 10m

$736

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

jue. 6/26

5:05 pm-2:00 pm

2 stops45h 55m

Washington, D.C. Dulles Intl

jue. 9/4

3:25 pm-1:25 pm

2 stops21h 00m

$1,064

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

mar. 6/24

2:10 pm-2:19 pm

2 stops25h 09m

Washington, D.C. Dulles Intl

mar. 7/1

3:25 pm-12:30 am

2 stops32h 05m

$1,085

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

mar. 6/24

12:35 pm-11:59 am

2 stops24h 24m

Washington, D.C. Dulles Intl

lun. 6/30

5:29 pm-7:50 pm

2 stops25h 21m

$1,169

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

jue. 6/26

1:50 pm-6:25 am

1 stop17h 35m

Washington, D.C. Dulles Intl

jue. 9/4

10:35 pm-4:50 pm

1 stop17h 15m

$1,390

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

lun. 10/27

6:35 pm-4:07 pm

2 stops22h 32m

Washington, D.C. Dulles Intl

sáb. 11/1

10:53 am-10:35 am

3 stops22h 42m

$2,945

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

lun. 10/13

1:27 am-12:31 am

1 stop24h 04m

$347

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

mar. 10/14

11:05 am-5:35 am

2 stops19h 30m

$349

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

mar. 10/14

2:45 pm-6:25 am

1 stop16h 40m

$1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 junio 12, 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 junio 12, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.1

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
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.1

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
1,451 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.1

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
8,790 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.1

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
1,073 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.1

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
1,785 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Crew

8.1

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 ($689), Avianca ($736), and GOL ($1,064) offers the cheapest pricing from Porto Alegre to Washington, D.C. Dulles Intl Airport. Copa Airlines is priced at 28% 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 Copa Airlines, with whom users have recently found tickets for as low as $347. However, be on the lookout for offers from Avianca and United 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 July is currently the most expensive (average of $349). 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
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
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Falls Church
Easton
Herndon
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Sterling
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National Harbor
Springfield
Manassas

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