Porto Alegre

$339+ Cheap flights from Washington 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POA
Jan 26 — Feb 21
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Cheap flight deals from Washington to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) 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 January 21, 2025.

Round-trip from

$802
(United Airlines)

One-way from

$339
(Kiwi.com)
From Washington to Porto Alegre Salgado Filho
One-way flight from Washington to Porto Alegre Salgado Filho

Find flight deals from Washington to Porto Alegre

Cheapest flights from Washington to Porto Alegre
Explore the most affordable flight options available from Washington to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/21. 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 3/311:59 pmSEA - POA
2 stops35h 51mUnited Airlines
Mon 3/105:35 pmPOA - SEA
2 stops29h 10mUnited Airlines
Deal found 1/21$804
This LATAM Airlines deal was found by Cheapflights users on 1/21. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/711:05 pmSEA - POA
2 stops38h 25mMultiple Airlines
Fri 3/148:00 pmPOA - SEA
2 stops27h 54mMultiple Airlines
Deal found 1/21$973
This CheapOair deal was found by Cheapflights users on 1/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/711:05 pmSEA - POA
2 stops38h 25mLATAM Airlines
Fri 3/144:35 amPOA - SEA
2 stops23h 21mLATAM Airlines
Deal found 1/21$1,002
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1712:45 pmPDX - POA
2 stops23h 00mLATAM Airlines
Mon 2/247:40 pmPOA - PDX
2 stops23h 25mLATAM Airlines
Deal found 1/20$1,013
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1710:10 amPDX - POA
3 stops25h 40mMultiple Airlines
Mon 2/2410:05 amPOA - PDX
3 stops41h 04mMultiple Airlines
Deal found 1/20$1,016
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/177:35 amPDX - POA
2 stops27h 00mAmerican Airlines
Mon 2/245:15 pmPOA - PDX
3 stops24h 59mAmerican Airlines
Deal found 1/20$1,047
This Copa Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 3/77:34 pmSEA - POA
2 stops23h 41mCopa Airlines
Thu 3/131:15 amPOA - SEA
2 stops24h 42mCopa Airlines
Deal found 1/21$1,430
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Fri 3/710:35 amSEA - POA
3 stops23h 05mAir Canada
Fri 3/144:10 pmPOA - SEA
3 stops26h 20mAir Canada
Deal found 1/21$1,879
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 3/612:15 amSEA - POA
2 stops35h 20mAmerican Airlines
Fri 3/147:20 pmPOA - SEA
2 stops32h 04mAmerican Airlines
Deal found 1/21$2,028

Find flights from Washington to Porto Alegre within your budget

Customize your flight search to find flights from Washington 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Mon 3/3

11:59 pm-4:50 pm

2 stops35h 51m

Porto Alegre Salgado Filho

Mon 3/10

5:35 pm-3:54 pm

3 stops26h 19m

$804

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 3/7

11:05 pm-6:30 pm

2 stops38h 25m

Porto Alegre Salgado Filho

Fri 3/14

8:00 pm-7:54 pm

2 stops27h 54m

$973

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 3/7

11:05 pm-6:30 pm

2 stops38h 25m

Porto Alegre Salgado Filho

Fri 3/14

4:35 am-11:56 pm

2 stops23h 21m

$1,002

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 2/17

12:45 pm-4:45 pm

2 stops23h 00m

Porto Alegre Salgado Filho

Mon 2/24

7:40 pm-2:05 pm

2 stops23h 25m

$1,013

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 2/17

10:10 am-4:50 pm

3 stops25h 40m

Porto Alegre Salgado Filho

Mon 2/24

10:05 am-10:09 pm

3 stops41h 04m

$1,016

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 2/17

7:35 am-3:35 pm

2 stops27h 00m

Porto Alegre Salgado Filho

Mon 2/24

5:15 pm-1:14 pm

3 stops24h 59m

$1,047

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 3/7

12:55 pm-12:15 am

2 stops30h 20m

Porto Alegre Salgado Filho

Thu 3/13

1:15 am-9:57 pm

2 stops24h 42m

$1,430

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 3/7

10:35 am-2:40 pm

3 stops23h 05m

Porto Alegre Salgado Filho

Fri 3/14

4:10 pm-2:30 pm

3 stops26h 20m

$1,879

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Thu 3/6

12:15 am-4:35 pm

2 stops35h 20m

Porto Alegre Salgado Filho

Fri 3/14

7:20 pm-11:24 pm

2 stops32h 04m

$2,028

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Wed 3/19

7:57 pm-12:15 am

2 stops24h 18m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 11 results
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Best time to book a flight from Washington to Porto Alegre

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

Travel insights for flights from Washington to Porto Alegre

Get recent, data-driven insights about flights from Washington to Porto Alegre including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Washington 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Porto Alegre as you normally would.

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 January 21, 2025.
Peruse reviews from past customers who have flown with American Airlines and LATAM Airlines from Washington to Porto Alegre to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
811 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 10

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

8.0
Very good
811 reviews
8.0
Very good
811 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 10

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

7.7
Good
1,662 reviews
8.0
Very good
811 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 10

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

7.5
Good
1,858 reviews
8.0
Very good
811 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 10

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

7.5
Good
1,849 reviews
8.0
Very good
811 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 10

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

7.4
Good
8,984 reviews
8.0
Very good
811 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 10

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Porto Alegre Salgado Filho (POA) is the airport you will fly into if you book a flight from Washington to Porto Alegre. It is only a 4.0 mi journey from Salgado Filho (POA) to Porto Alegre’s city center.

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

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

  • How can I find direct flights from Washington 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 to Porto Alegre.

  • Can I find deals for business class flights from Washington to Porto Alegre?

    Yes. Cheapflights offers flight deals from Washington 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.

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Alternative routes for Washington to Porto Alegre

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

Top airline flying from Washington to Porto Alegre

Discover the top airline that operate flights from Washington 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$798Average$917FlexibilityNo cancel feeOn-time71%
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