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Porto Alegre

$371+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — POA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This FlightHub deal was found by Cheapflights users on 11/5. 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.
Wed 12/32:35 pmIAD - POA
2 stops32h 20mMultiple Airlines
Wed 12/1011:40 amPOA - IAD
2 stops27h 35mMultiple Airlines
Deal found 11/5$930
This Copa Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/21:13 amIAD - POA
1 stop21h 17mCopa Airlines
Tue 12/91:35 amPOA - IAD
1 stop23h 58mCopa Airlines
Deal found 11/5$1,339
This Ovago deal was found by Cheapflights users on 11/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:59 pmIAD - POA
2 stops33h 31mLATAM Airlines
Sat 12/276:00 pmPOA - IAD
2 stops24h 48mLATAM Airlines
Deal found 11/5$1,515
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Sat 12/204:15 pmIAD - POA
3 stops30h 25mMultiple Airlines
Sat 12/2712:45 pmPOA - IAD
2 stops17h 40mMultiple Airlines
Deal found 11/5$2,339
This business-class.com deal was found by Cheapflights users on 11/4. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:30 pmIAD - POA
2 stops18h 45mLATAM Airlines
Thu 1/14:40 amPOA - IAD
3 stops21h 32mLATAM Airlines
Deal found 11/4$2,456
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/2010:30 pmIAD - POA
1 stop14h 20mUnited Airlines
Sat 12/271:25 pmPOA - IAD
1 stop19h 10mUnited Airlines
Deal found 11/5$2,768
This FlightHub deal was found by Cheapflights users on 11/4. 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.
Tue 12/1610:08 amIAD - POA
2 stops28h 52mLATAM Airlines
Wed 12/314:40 amPOA - IAD
2 stops31h 06mLATAM Airlines
Deal found 11/4$3,200

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$672
(MaxMilhas)

One-way from

$371
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$674
Provider with most accurate pricing for Washington, D.C. (WAS)-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Porto Alegre Salgado Filho flights.
Search Deals
From Washington, D.C. (WAS) to Porto Alegre Salgado Filho
Search Deals
One-way flight from Washington, D.C. (WAS) to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 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 3/2

7:07 pm-2:05 pm

2 stops16h 58m

Porto Alegre Salgado Filho

Sun 3/15

2:05 pm-6:42 pm

2 stops29h 37m

$687

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 3/2

8:29 am-12:25 am

1 stop13h 56m

Porto Alegre Salgado Filho

Fri 3/13

1:30 am-12:32 am

1 stop24h 02m

$696

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 3/1

1:18 am-12:25 am

1 stop21h 07m

Porto Alegre Salgado Filho

Sat 3/14

1:30 am-12:32 am

1 stop24h 02m

$711

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 3/24

7:59 pm-7:20 pm

2 stops22h 21m

Porto Alegre Salgado Filho

Fri 3/27

12:30 pm-2:51 pm

2 stops27h 21m

$749

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 3/23

2:18 am-12:25 am

1 stop21h 07m

Porto Alegre Salgado Filho

Thu 3/26

1:30 am-4:15 am

1 stop27h 45m

$820

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Wed 12/3

8:22 am-12:30 am

1 stop14h 08m

Porto Alegre Salgado Filho

Tue 12/9

1:35 am-11:33 pm

1 stop23h 58m

$1,374

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Thu 12/11

5:45 am-12:30 am

2 stops40h 45m

$371

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 1/6

12:23 pm-1:05 am

2 stops34h 42m

$429

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 1/9

1:12 am-12:30 am

1 stop21h 18m

$524

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 1/5

1:12 am-12:30 am

1 stop21h 18m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 11 results
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Compare providers for flights from Washington, D.C. to Porto Alegre

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 Washington, D.C. to Porto Alegre in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Washington, D.C.-Porto Alegre flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Porto Alegre flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Porto Alegre flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C.-Porto Alegre 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 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 November 6, 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 31% on airfare.

How much does it cost to fly round-trip from Washington, D.C. to Porto Alegre?

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 November 6, 2025.
Get a feel of what it's like to fly with Copa Airlines, United Airlines, and GOL 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
7.6
Good
1,563 reviews

Food

6.9

Crew

8.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Copa Airlines
7.6
Good
1,563 reviews
Copa Airlines
7.6
Good
1,563 reviews

Food

6.9

Crew

8.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
United Airlines
7.4
Good
9,007 reviews
Copa Airlines
7.6
Good
1,563 reviews

Food

6.9

Crew

8.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
GOL
7.3
Good
1,126 reviews
Copa Airlines
7.6
Good
1,563 reviews

Food

6.9

Crew

8.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

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.

  • How long is the flight from Washington, D.C. to Porto Alegre?

    LATAM Airlines and Copa Airlines can get you from Washington, D.C. to Porto Alegre in just under 13h 56m. Your travel time can differ by up to 3h 02m. The distance between Washington, D.C. and Porto Alegre is about 5051 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. to Porto Alegre round-trip?

    Copa Airlines, at $428, was found to be the cheapest airline from Washington, D.C. to Porto Alegre.. Users have found that Copa Airlines is 42% 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$428Average$485FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$798Average$809FlexibilityNo cancel feeOn-time81%

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