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$392+ Cheap flights from Porto Alegre (POA) to Washington

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SEA
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap 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 diciembre 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/206:25 pmPOA - PDX
2 stops23h 25mAmerican Airlines
mar. 1/67:38 amPDX - POA
2 stops29h 07mAmerican Airlines
Deal found 12/15$1,220
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/204:55 pmPOA - PDX
2 stops31h 48mUnited Airlines
mar. 1/612:59 pmPDX - POA
2 stops20h 41mUnited Airlines
Deal found 12/14$1,357
This FlightHub deal was found by Cheapflights users on 12/13. 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.
sáb. 12/202:05 pmPOA - PDX
2 stops33h 48mLATAM Airlines
mar. 1/66:50 amPDX - POA
2 stops42h 40mLATAM Airlines
Deal found 12/13$1,448

Find 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 diciembre 15, 2025.

Round-trip from

$607
(United Airlines)

One-way from

$392
(Trip.com)

Popular in

July

Cheapest in

June

Average price

$1,161
From Porto Alegre Salgado Filho to Washington
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One-way flight from Porto Alegre Salgado Filho to Washington
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 15, 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

jue. 1/22

2:00 pm-10:43 pm

2 stops37h 43m

Seattle/Tacoma Intl

lun. 3/2

7:00 am-2:05 pm

2 stops26h 05m

$607

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

mié. 3/18

5:10 pm-10:45 pm

2 stops33h 35m

Seattle/Tacoma Intl

dom. 3/22

7:00 am-2:20 pm

2 stops27h 20m

$607

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

mié. 3/18

5:10 pm-10:45 pm

2 stops33h 35m

Seattle/Tacoma Intl

lun. 3/30

7:00 am-4:20 pm

2 stops29h 20m

$608

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

mié. 1/28

6:15 pm-10:43 pm

3 stops33h 28m

Seattle/Tacoma Intl

mié. 2/4

7:00 am-6:20 pm

2 stops30h 20m

$706

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

vie. 5/8

5:50 pm-2:40 pm

2 stops24h 50m

Seattle/Tacoma Intl

dom. 5/24

11:15 am-7:15 pm

2 stops28h 00m

$905

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

mar. 1/27

5:10 am-10:29 pm

2 stops22h 19m

$417

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

mar. 12/23

7:20 pm-10:05 pm

3 stops31h 45m

$1,338

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

mié. 12/24

6:40 am-12:21 pm

2 stops34h 41m

$1,413

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

jue. 12/25

6:25 pm-1:00 pm

2 stops23h 35m

$1,460

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

jue. 12/25

7:45 am-11:27 pm

2 stops20h 42m

$1,524

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 14 results
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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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Porto Alegre to State of Washington?

    Airlines like United Airlines fly from Porto Alegre to State of Washington in about 37h 43m. The time it takes to get you to your destination can typically vary by up to . There are 6926 mi between Porto Alegre and State of 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.

See more FAQs

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