What are the cheapest airlines flying from Washington, D.C. to Porto Alegre round-trip?

Copa Airlines, at $393, was found to be the cheapest airline from Washington, D.C. to Porto Alegre.Alternate airlines to your destination round-trip include Avianca and GOL. Users have found that Copa Airlines is 57% cheaper than the other options available to this destination.

What is the cheapest day to fly from Washington, D.C. to Porto Alegre?

Travelers seeking maximum savings on their Washington, D.C. to Porto Alegre flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Tuesday flights are found to be more expensive to fly from Washington, D.C. to Porto Alegre. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Porto Alegre.

What is the cheapest month to fly from Washington, D.C. to Porto Alegre?

May can be a great time to fly to Porto Alegre from Washington, D.C. with a flight ticket averaging about $920. Cheapflights users have found deals in the month of May for as cheap as $555. The most expensive prices can be found in the month of December.

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.

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.

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.

$393+ Flights from Washington, D.C. to Porto Alegre

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1. Tell us where you want to go

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from Washington, D.C. to Porto Alegre

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$393 (Copa Airlines)
Popular in	December
Cheapest in	May
Average price	$555

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

Highest demand for flights based on searches. 19% potential increase in price ($217 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Sun 6/152:21 amIAD - POA

1 stop20h 54mCopa Airlines

Thu 6/261:23 amPOA - IAD

1 stop14h 41mCopa Airlines

Deal found 4/30

$393

Sun 6/152:21 amIAD - POA

1 stop20h 54mMultiple Airlines

Fri 6/278:25 amPOA - IAD

2 stops30h 35mMultiple Airlines

Deal found 4/30

$609

Wed 11/126:10 amIAD - POA

2 stops32h 15mAvianca

Wed 12/31:35 pmPOA - IAD

2 stops25h 25mAvianca

Deal found 4/30

$636

Mon 10/273:20 pmIAD - POA

2 stops31h 20mGOL

Mon 11/105:10 amPOA - IAD

2 stops33h 50mGOL

Deal found 5/1

$702

Mon 10/277:50 pmIAD - POA

2 stops19h 05mLATAM Airlines

Sun 11/94:40 amPOA - IAD

2 stops21h 27mLATAM Airlines

Deal found 5/1

$830

Sat 6/1410:35 pmIAD - POA

1 stop18h 20mUnited Airlines

Sat 6/212:00 pmPOA - IAD

1 stop17h 25mUnited Airlines

Deal found 4/30

$1,124

Wed 11/1210:52 amIAD - POA

3 stops21h 43mAmerican Airlines

Wed 12/36:35 pmPOA - IAD

2 stops23h 31mAmerican Airlines

Deal found 4/30

$2,484

Best flights from Washington, D.C. to Porto Alegre
Discover carefully curated flight deals from Washington, D.C. to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sun 6/152:21 amIAD - POA

1 stop20h 54mCopa Airlines

Thu 6/261:23 amPOA - IAD

1 stop14h 41mCopa Airlines

Deal found 4/30

$393

Sun 6/152:21 amIAD - POA

1 stop20h 54mMultiple Airlines

Fri 6/278:25 amPOA - IAD

2 stops30h 35mMultiple Airlines

Deal found 4/30

$609

Fri 10/37:00 amIAD - POA

2 stops34h 35mAvianca

Fri 10/106:35 pmPOA - IAD

2 stops36h 00mAvianca

Deal found 5/1

$639

Mon 10/273:20 pmIAD - POA

2 stops31h 20mGOL

Mon 11/105:10 amPOA - IAD

2 stops33h 50mGOL

Deal found 5/1

$702

Mon 10/277:50 pmIAD - POA

2 stops19h 05mLATAM Airlines

Sun 11/94:40 amPOA - IAD

2 stops21h 27mLATAM Airlines

Deal found 5/1

$830

Sat 6/1410:35 pmIAD - POA

1 stop18h 20mUnited Airlines

Sat 6/212:00 pmPOA - IAD

1 stop17h 25mUnited Airlines

Deal found 4/30

$1,124

Mon 6/1611:50 amIAD - POA

3 stops24h 35mAmerican Airlines

Sun 6/226:35 pmPOA - IAD

2 stops29h 04mAmerican Airlines

Deal found 5/1

$3,171

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 6/15

2:21 am-12:15 am

1 stop20h 54m

Porto Alegre Salgado Filho

Thu 6/26

1:23 am-3:04 pm

1 stop14h 41m

$393

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sun 6/15

2:21 am-12:15 am

1 stop20h 54m

Porto Alegre Salgado Filho

Fri 6/27

8:25 am-2:00 pm

2 stops30h 35m

$609

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 10/3

7:00 am-6:35 pm

2 stops34h 35m

Porto Alegre Salgado Filho

Fri 10/10

6:35 pm-5:35 am

2 stops36h 00m

$639

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

3:20 pm-11:40 pm

2 stops31h 20m

Porto Alegre Salgado Filho

Mon 11/10

5:10 am-1:00 pm

2 stops33h 50m

$702

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 10/27

7:50 pm-3:55 pm

2 stops19h 05m

Porto Alegre Salgado Filho

Sun 11/9

4:40 am-12:07 am

2 stops21h 27m

$830

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sat 6/14

10:35 pm-5:55 pm

1 stop18h 20m

Porto Alegre Salgado Filho

Sat 6/21

2:00 pm-6:25 am

1 stop17h 25m

$1,124

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

$3,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Washington, D.C. to Porto Alegre

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 May.

Provider	Price Accuracy	Trust Score*
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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?

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

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

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

LATAM Airlines

7.5

Good

1,767 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

LATAM Airlines

7.5

Good

1,767 reviews

LATAM Airlines

7.5

Good

1,767 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Copa Airlines

7.5

Good

1,415 reviews

LATAM Airlines

7.5

Good

1,767 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

United Airlines

7.4

Good

8,696 reviews

LATAM Airlines

7.5

Good

1,767 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

GOL

7.3

Good

1,068 reviews

LATAM Airlines

7.5

Good

1,767 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

American Airlines

7.2

Good

10,000 reviews

LATAM Airlines

7.5

Good

1,767 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

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 $393, was found to be the cheapest airline from Washington, D.C. to Porto Alegre.Alternate airlines to your destination round-trip include Avianca and GOL. Users have found that Copa Airlines is 57% 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Porto Alegre

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Other flights to Porto Alegre

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Porto Alegre to Sao Paulo Congonhas Airport flights

Porto Alegre to Sao Paulo Guarulhos Intl Airport flights

Porto Alegre to Lisbon flights

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

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$403	Average$755	FlexibilityNo cancel fee	On-time70%
LATAM Airlines	Cheapest$798	Average$811	FlexibilityNo cancel fee	On-time81%

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$393+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Porto Alegre with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Porto Alegre

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Porto Alegre

Cheapest flights from Washington, D.C. to Porto AlegreExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Porto Alegre that are best for you.

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 May.

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.

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 May 1, 2025.

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

Reviews of airlines servicing Porto Alegre

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.?

What are the cheapest airlines flying from Washington, D.C. to Porto Alegre round-trip?

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

How can I 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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 May 1, 2025.