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Porto Alegre

$409+ Cheap flights from Washington, D.C. (WAS) to Porto Alegre (POA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — POA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$409
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Porto Alegre Salgado Filho flights.
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From Washington, D.C. (WAS) to Porto Alegre Salgado Filho
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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 April 15, 2025.

This United Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/810:35 pmIAD - POA
1 stop13h 45mMultiple Airlines
Sun 5/181:50 pmPOA - IAD
1 stop17h 35mMultiple Airlines
Deal found 4/15$409
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/810:35 pmIAD - POA
1 stop13h 45mUnited Airlines
Sun 5/181:50 pmPOA - IAD
2 stops35h 09mUnited Airlines
Deal found 4/15$425
This Copa Airlines deal was found by Cheapflights users on 4/15. 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 10/262:18 amIAD - POA
1 stop21h 14mCopa Airlines
Sun 11/91:37 amPOA - IAD
1 stop23h 56mCopa Airlines
Deal found 4/15$630
This FlightHub deal was found by Cheapflights users on 4/15. 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.
Sat 6/147:00 amIAD - POA
2 stops32h 25mAvianca
Mon 8/46:35 pmPOA - IAD
2 stops36h 00mAvianca
Deal found 4/15$657
This KAYAK deal was found by Cheapflights users on 4/14. 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.
Mon 6/1612:13 pmIAD - POA
2 stops26h 42mLATAM Airlines
Sun 6/224:40 amPOA - IAD
2 stops20h 53mLATAM Airlines
Deal found 4/14$823
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 11/1211:30 amIAD - POA
3 stops21h 05mAmerican Airlines
Wed 12/36:35 pmPOA - IAD
2 stops23h 31mAmerican Airlines
Deal found 4/14$2,487

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 April 15, 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

Thu 5/8

10:35 pm-1:20 pm

1 stop13h 45m

Porto Alegre Salgado Filho

Sun 5/18

1:50 pm-6:25 am

1 stop17h 35m

$409

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Thu 5/8

10:35 pm-1:20 pm

1 stop13h 45m

Porto Alegre Salgado Filho

Sun 5/18

1:50 pm-11:59 pm

2 stops35h 09m

$425

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 6/14

7:00 am-4:25 pm

2 stops32h 25m

Porto Alegre Salgado Filho

Mon 8/4

6:35 pm-5:35 am

2 stops36h 00m

$657

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 6/13

2:21 am-12:15 am

1 stop20h 54m

Porto Alegre Salgado Filho

Sun 8/3

1:23 am-12:29 am

1 stop24h 06m

$803

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 6/16

12:13 pm-3:55 pm

2 stops26h 42m

Porto Alegre Salgado Filho

Sun 6/22

4:40 am-12:33 am

2 stops20h 53m

$823

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 6/16

11:50 am-1:25 pm

3 stops24h 35m

Porto Alegre Salgado Filho

Sun 6/22

6:35 pm-10:39 pm

2 stops29h 04m

$2,989

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Porto Alegre flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 15, 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.

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 April 15, 2025.
Copa Airlines
7.6
Good
1,408 reviews

Overall

7.6

Comfort

7.4

Entertainment

6.8

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Copa Airlines
7.6
Good
1,408 reviews
Copa Airlines
7.6
Good
1,408 reviews

Overall

7.6

Comfort

7.4

Entertainment

6.8

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
LATAM Airlines
7.5
Good
1,758 reviews
Copa Airlines
7.6
Good
1,408 reviews

Overall

7.6

Comfort

7.4

Entertainment

6.8

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
United Airlines
7.4
Good
8,658 reviews
Copa Airlines
7.6
Good
1,408 reviews

Overall

7.6

Comfort

7.4

Entertainment

6.8

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.6
Good
1,408 reviews

Overall

7.6

Comfort

7.4

Entertainment

6.8

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Avianca
6.7
Okay
2,313 reviews
Copa Airlines
7.6
Good
1,408 reviews

Overall

7.6

Comfort

7.4

Entertainment

6.8

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.

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?

    United Airlines, at $425, was found to be the cheapest airline from Washington, D.C. to Porto Alegre.Alternate airlines to your destination round-trip include Avianca and Copa Airlines.

  • 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$710Average$838FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$798Average$811FlexibilityNo cancel feeOn-time81%

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