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Porto Alegre

$237+ Cheap flights from Washington, D.C. (WAS) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — POA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 July 31, 2025.

Round-trip from

$651
(flugladen.de)

One-way from

$237
(123 Milhas)

Popular in

December

Cheapest in

May

Average price

$669
From Washington, D.C. (WAS) to Porto Alegre Salgado Filho
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One-way flight from Washington, D.C. (WAS) to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 14% potential increase in price ($145 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 July 2025
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Find flight deals from Washington, D.C. to Porto Alegre

Cheapest flights from Washington, D.C. to Porto Alegre
Explore the most affordable flight options available from Washington, D.C. to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 10/2711:30 pmIAD - POA
1 stop15h 40mUnited Airlines
Mon 11/103:25 pmPOA - IAD
1 stop17h 10mUnited Airlines
Deal found 7/31$793
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:45 amIAD - POA
2 stops27h 05mAvianca
Mon 11/1011:40 amPOA - IAD
2 stops27h 35mAvianca
Deal found 7/30$835
This Copa Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 10/262:25 amIAD - POA
1 stop20h 55mCopa Airlines
Sun 11/91:35 amPOA - IAD
1 stop14h 29mCopa Airlines
Deal found 7/31$845
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Fri 12/2610:00 amIAD - POA
2 stops21h 40mAzul
Sun 1/45:15 amPOA - IAD
2 stops42h 01mAzul
Deal found 7/31$1,786
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:20 pmIAD - POA
2 stops31h 05mMultiple Airlines
Sat 1/34:40 amPOA - IAD
2 stops26h 10mMultiple Airlines
Deal found 7/31$1,814
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 12/265:15 pmIAD - POA
2 stops20h 25mAmerican Airlines
Sun 1/48:20 pmPOA - IAD
3 stops21h 38mAmerican Airlines
Deal found 7/31$2,742

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 July 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Porto Alegre that are best for you.

Fly from

Washington, D.C.

Fly to

Porto Alegre

Route

Depart

Return

Price

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

11:30 pm-4:10 pm

1 stop15h 40m

Porto Alegre Salgado Filho

Mon 11/10

3:25 pm-6:35 am

1 stop17h 10m

$793

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

6:45 am-10:50 am

2 stops27h 05m

Porto Alegre Salgado Filho

Mon 11/10

11:40 am-1:15 pm

2 stops27h 35m

$835

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 10/26

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

Sun 11/9

1:35 am-2:04 pm

1 stop14h 29m

$845

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 12/26

10:00 am-9:40 am

2 stops21h 40m

Porto Alegre Salgado Filho

Sun 1/4

5:15 am-9:16 pm

2 stops42h 01m

$1,786

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 12/26

2:20 pm-11:25 pm

2 stops31h 05m

Porto Alegre Salgado Filho

Sat 1/3

4:40 am-4:50 am

2 stops26h 10m

$1,814

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 12/26

5:15 pm-3:40 pm

2 stops20h 25m

Porto Alegre Salgado Filho

Sun 1/4

8:20 pm-3:58 pm

3 stops21h 38m

$2,742

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/2

4:34 pm-12:20 am

1 stop30h 46m

$237

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/2

6:40 pm-2:35 pm

2 stops18h 55m

$299

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 9/1

2:35 am-10:25 am

2 stops30h 50m

$408

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 1/6

12:30 pm-5:35 pm

2 stops27h 05m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Washington, D.C. to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Washington, D.C. 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. to Porto Alegre

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

Find hourly flight availability from Washington, D.C. 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 July 31, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Porto Alegre is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.

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 July 31, 2025.
Get a feel of what it's like to fly with Copa Airlines, SWISS, and United Airlines from Washington, D.C. to Porto Alegre by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,493 reviews

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Copa Airlines
7.5
Good
1,493 reviews
Copa Airlines
7.5
Good
1,493 reviews

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
SWISS
7.5
Good
1,686 reviews
Copa Airlines
7.5
Good
1,493 reviews

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
United Airlines
7.4
Good
8,900 reviews
Copa Airlines
7.5
Good
1,493 reviews

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
GOL
7.3
Good
1,091 reviews
Copa Airlines
7.5
Good
1,493 reviews

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,493 reviews

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

    Most people fly into Porto Alegre Salgado Filho (POA) if they book a flight to Porto Alegre from Washington, D.C.. On average, Salgado Filho has 0 inbound flights from Washington, D.C. per day from 2 airlines. 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. to Porto Alegre round-trip?

    Copa Airlines, at $651, was found to be the cheapest airline from Washington, D.C. to Porto Alegre.Alternate airlines to your destination round-trip include Avianca and United Airlines. Users have found that Copa Airlines is 22% cheaper than the other options available to this destination.

  • Can I find deals for flights from Washington, D.C. to Porto Alegre that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Porto Alegre?

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

  • Can I find deals for business class flights from Washington, D.C. to Porto Alegre?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Porto Alegre flights
Dulles Intl to Santa Maria flights

Top 2 airlines flying from Washington, D.C. to Porto Alegre

Discover the top 2 airlines that operate flights from Washington, D.C. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$403Average$755FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$798Average$811FlexibilityNo cancel feeOn-time81%

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