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Porto Alegre

$506+ Cheap flights from Washington 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Washington to Porto Alegre

Keep the following information in mind while searching for Washington to Porto Alegre flight deals. Data was last updated July 31, 2025.

Round-trip from

$506
(United Airlines)
From Washington to Porto Alegre Salgado Filho
Search Deals

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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/98:00 amSEA - POA
3 stops26h 35mUnited Airlines
Tue 9/233:25 pmPOA - SEA
2 stops28h 07mUnited Airlines
Deal found 7/29$506
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:25 amSEA - POA
2 stops25h 35mLATAM Airlines
Fri 10/106:40 amPOA - SEA
2 stops21h 31mLATAM Airlines
Deal found 7/30$855
This Copa Airlines deal was found by Cheapflights users on 7/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:14 pmSEA - POA
2 stops27h 06mCopa Airlines
Mon 9/221:27 amPOA - SEA
2 stops24h 48mCopa Airlines
Deal found 7/31$889
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/73:15 pmSEA - POA
2 stops35h 10mDelta
Thu 8/217:20 amPOA - SEA
2 stops32h 44mDelta
Deal found 7/31$910
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:16 pmSEA - POA
2 stops41h 34mGOL
Thu 8/2111:05 amPOA - SEA
2 stops41h 09mGOL
Deal found 7/30$969
This Delta deal was found by Cheapflights users on 7/30. 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.
Tue 9/3010:05 pmPDX - POA
2 stops28h 20mDelta
Fri 10/36:40 amPOA - PDX
2 stops33h 58mDelta
Deal found 7/30$1,109
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/1510:05 amPDX - POA
3 stops25h 00mMultiple Airlines
Tue 8/1912:35 pmPOA - PDX
2 stops28h 49mMultiple Airlines
Deal found 7/30$2,433
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/157:40 amPDX - POA
3 stops22h 45mAmerican Airlines
Tue 8/196:35 pmPOA - PDX
3 stops23h 46mAmerican Airlines
Deal found 7/30$3,678

Cheapflights Fare Finder

 
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 July 31, 2025.
Use the filters below to find and compare flights from Washington to Porto Alegre that are best for you.

Fly from

Washington

Fly to

Porto Alegre

Route

Depart

Return

Price

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 9/9

8:00 am-2:35 pm

3 stops26h 35m

Porto Alegre Salgado Filho

Tue 9/23

3:25 pm-3:32 pm

2 stops28h 07m

$506

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 9/26

11:25 am-5:00 pm

2 stops25h 35m

Porto Alegre Salgado Filho

Fri 10/10

6:40 am-12:11 am

2 stops21h 31m

$855

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 9/9

5:14 pm-12:20 am

2 stops27h 06m

Porto Alegre Salgado Filho

Mon 9/22

1:27 am-10:15 pm

2 stops24h 48m

$889

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Tue 9/30

10:05 pm-6:25 am

2 stops28h 20m

Porto Alegre Salgado Filho

Fri 10/3

6:40 am-12:38 pm

2 stops33h 58m

$1,109

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Wed 10/1

10:00 am-2:35 pm

3 stops24h 35m

Porto Alegre Salgado Filho

Thu 10/30

3:25 pm-2:26 pm

3 stops27h 01m

$1,173

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 12/19

2:13 pm-6:40 pm

2 stops23h 27m

Porto Alegre Salgado Filho

Sun 1/4

5:55 pm-12:13 pm

2 stops23h 18m

$2,196

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 12/19

11:59 pm-6:30 am

3 stops25h 31m

Porto Alegre Salgado Filho

Sun 1/4

6:20 pm-9:56 pm

3 stops32h 36m

$2,276

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Fri 8/15

10:05 am-3:05 pm

3 stops25h 00m

Porto Alegre Salgado Filho

Tue 8/19

12:35 pm-1:24 pm

2 stops28h 49m

$2,433

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Fri 8/15

7:40 am-10:25 am

3 stops22h 45m

Porto Alegre Salgado Filho

Tue 8/19

6:35 pm-2:21 pm

3 stops23h 46m

$3,678

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Porto Alegre
No data available for this route at this time. Please check back soon.

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 July 31, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines, and Copa Airlines from Washington to Porto Alegre by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,822 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$798Average$802FlexibilityNo cancel feeOn-time71%

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