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$801+ Cheap flights from Porto Alegre (POA) to Washington

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SEA
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Porto Alegre to Washington

Keep the following information in mind while searching for Porto Alegre to Washington flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$801
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$936
Provider with most accurate pricing for Porto Alegre Salgado Filho-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Seattle/Tacoma Intl flights.
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From Porto Alegre Salgado Filho to Washington
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Highest demand for flights based on searches. 8% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Porto Alegre to Washington

Cheapest flights from Porto Alegre to Washington
Explore the most affordable flight options available from Porto Alegre to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 8/61:55 pmPOA - SEA
2 stops38h 04mUnited Airlines
Thu 8/281:43 pmSEA - POA
2 stops19h 37mUnited Airlines
Deal found 4/1$801
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:50 pmPOA - SEA
2 stops32h 20mDelta
Sun 8/247:20 amSEA - POA
2 stops19h 05mDelta
Deal found 4/1$866
This LATAM Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 4/305:45 pmPOA - SEA
2 stops24h 36mLATAM Airlines
Thu 5/156:00 amSEA - POA
2 stops33h 50mLATAM Airlines
Deal found 4/1$868
This MaxMilhas deal was found by Cheapflights users on 3/31. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:00 amPOA - SEA
2 stops36h 20mAeromexico
Tue 8/269:30 amSEA - POA
2 stops28h 25mAeromexico
Deal found 3/31$1,155
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 12/205:15 pmPOA - PDX
2 stops23h 53mAmerican Airlines
Tue 1/67:59 amPDX - POA
2 stops24h 31mAmerican Airlines
Deal found 4/1$1,267

Cheapflights Fare Finder

Customize your flight search to find flights from Porto Alegre to Washington 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 2, 2025.
Use the filters below to find and compare flights from Porto Alegre to Washington that are best for you.

Fly from

Porto Alegre

Fly to

Washington

Route

Depart

Return

Price

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Wed 8/6

1:55 pm-11:59 pm

2 stops38h 04m

Seattle/Tacoma Intl

Sat 8/23

7:05 am-5:55 pm

3 stops30h 50m

$801

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Sun 8/3

5:50 pm-10:10 pm

2 stops32h 20m

Seattle/Tacoma Intl

Wed 8/27

7:20 am-6:25 am

2 stops19h 05m

$866

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Wed 4/30

5:45 pm-2:21 pm

2 stops24h 36m

Seattle/Tacoma Intl

Thu 5/15

6:00 am-7:50 pm

2 stops33h 50m

$868

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Fri 8/15

6:00 am-2:20 pm

2 stops36h 20m

Seattle/Tacoma Intl

Tue 8/26

9:30 am-5:55 pm

2 stops28h 25m

$1,155

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Mon 5/26

1:20 am-10:00 pm

2 stops24h 40m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Best time to book a flight from Porto Alegre to Washington

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

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 2, 2025.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,754 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,700 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to Washington. 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 from for flights from Porto Alegre to Washington?

    Porto Alegre Salgado Filho (POA), located 4.0 mi from the city center, is the airport you fly out of when you book flights from Porto Alegre to Washington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Porto Alegre to State of Washington (average of $238). Flying from Porto Alegre to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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