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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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POA
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$637
(Copa Airlines)

One-way from

$210
(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. 15% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($51 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 junio 18, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/16. 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. 10/279:25 amIAD - POA
1 stop14h 07mCopa Airlines
dom. 11/91:37 amPOA - IAD
1 stop23h 56mCopa Airlines
Deal found 6/16$561
This Mytrip deal was found by Cheapflights users on 6/17. 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.
vie. 10/34:05 amIAD - POA
3 stops26h 35mMultiple Airlines
sáb. 10/118:25 amPOA - IAD
3 stops30h 35mMultiple Airlines
Deal found 6/17$705
This Gurufare deal was found by Cheapflights users on 6/18. 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.
lun. 10/273:20 pmIAD - POA
2 stops31h 20mGOL
lun. 11/105:00 amPOA - IAD
2 stops34h 00mGOL
Deal found 6/18$781
This Delta deal was found by Cheapflights users on 6/16. 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.
mié. 11/126:00 amIAD - POA
2 stops22h 25mDelta
mié. 12/35:45 pmPOA - IAD
2 stops17h 26mDelta
Deal found 6/16$810
This KAYAK deal was found by Cheapflights users on 6/16. 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.
sáb. 8/911:10 amIAD - POA
2 stops21h 35mLATAM Airlines
mar. 8/196:40 amPOA - IAD
2 stops17h 41mLATAM Airlines
Deal found 6/16$908
This United Airlines deal was found by Cheapflights users on 6/18. 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.
lun. 10/2711:30 pmIAD - POA
1 stop13h 10mUnited Airlines
lun. 11/103:30 pmPOA - IAD
1 stop17h 05mUnited Airlines
Deal found 6/18$937
This FlightHub deal was found by Cheapflights users on 6/18. 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.
vie. 7/187:00 amIAD - POA
2 stops31h 40mAvianca
vie. 7/2510:20 pmPOA - IAD
2 stops32h 15mAvianca
Deal found 6/18$952
This Vliegwinkel deal was found by Cheapflights users on 6/16. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/110:35 pmIAD - POA
1 stop34h 50mAustrian Airlines
vie. 8/85:35 pmPOA - IAD
1 stop13h 50mAustrian Airlines
Deal found 6/16$1,393
This American Airlines deal was found by Cheapflights users on 6/16. 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.
mié. 11/122:04 pmIAD - POA
3 stops21h 26mAmerican Airlines
mié. 12/36:35 pmPOA - IAD
2 stops23h 31mAmerican Airlines
Deal found 6/16$3,315

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 junio 18, 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

lun. 10/27

9:25 am-12:32 am

1 stop14h 07m

Porto Alegre Salgado Filho

dom. 11/9

1:37 am-11:33 pm

1 stop23h 56m

$561

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

vie. 10/3

4:05 am-7:40 am

3 stops26h 35m

Porto Alegre Salgado Filho

sáb. 10/11

8:25 am-2:00 pm

3 stops30h 35m

$705

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

lun. 10/27

3:20 pm-11:40 pm

2 stops31h 20m

Porto Alegre Salgado Filho

lun. 11/10

5:00 am-1:00 pm

2 stops34h 00m

$781

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mié. 11/12

6:00 am-6:25 am

2 stops22h 25m

Porto Alegre Salgado Filho

mié. 12/3

5:45 pm-9:11 am

2 stops17h 26m

$810

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

sáb. 8/9

11:10 am-9:45 am

2 stops21h 35m

Porto Alegre Salgado Filho

mar. 8/19

6:40 am-11:21 pm

2 stops17h 41m

$908

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

lun. 10/27

11:30 pm-1:40 pm

1 stop13h 10m

Porto Alegre Salgado Filho

lun. 11/10

3:30 pm-6:35 am

1 stop17h 05m

$937

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

vie. 7/18

7:00 am-3:40 pm

2 stops31h 40m

Porto Alegre Salgado Filho

vie. 7/25

10:20 pm-5:35 am

2 stops32h 15m

$952

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

vie. 8/1

10:35 pm-10:25 am

1 stop34h 50m

Porto Alegre Salgado Filho

vie. 8/8

5:35 pm-6:25 am

1 stop13h 50m

$1,393

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mié. 11/12

2:04 pm-1:30 pm

3 stops21h 26m

Porto Alegre Salgado Filho

mié. 12/3

6:35 pm-4:06 pm

2 stops23h 31m

$3,315

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

lun. 11/3

1:18 am-12:32 am

1 stop21h 14m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 17 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 junio 18, 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 junio 18, 2025.
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,787 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,455 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $637. Additional round-trip tickets that might be worth considering are offered by LATAM Airlines and Austrian Airlines, with the lowest prices starting at $908 and $1,393, 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 $210. United Airlines flights start at $300 while deals on LATAM Airlines start at $393 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.

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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$403Average$743FlexibilityNo cancel feeOn-time70%

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