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Porto Alegre

$751+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POA
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$751
(Trip.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Porto Alegre Salgado Filho flights.
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From Washington to Porto Alegre Salgado Filho
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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 April 11, 2025.

This Trip.com deal was found by Cheapflights users on 4/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/258:25 amSEA - POA
2 stops29h 40mMultiple Airlines
Sun 6/18:25 amPOA - SEA
2 stops34h 05mMultiple Airlines
Deal found 4/10$751
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Sun 5/2511:23 pmSEA - POA
2 stops37h 27mUnited Airlines
Sun 6/11:40 pmPOA - SEA
2 stops39h 24mUnited Airlines
Deal found 4/10$757
This Flightnetwork deal was found by Cheapflights users on 4/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:25 amSEA - POA
2 stops37h 50mCopa Airlines
Sun 6/11:23 amPOA - SEA
2 stops40h 38mCopa Airlines
Deal found 4/10$1,021
This Yatra.com deal was found by Cheapflights users on 4/10. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/249:45 pmSEA - POA
2 stops36h 05mLATAM Airlines
Sat 5/315:50 pmPOA - SEA
2 stops33h 59mLATAM Airlines
Deal found 4/10$1,026
This Cheapflightsfares deal was found by Cheapflights users on 4/11. 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.
Mon 6/1611:20 amPDX - POA
2 stops25h 40mLATAM Airlines
Wed 7/26:40 amPOA - PDX
2 stops33h 25mLATAM Airlines
Deal found 4/11$1,176
This United deal was found by Cheapflights users on 4/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/162:12 pmPDX - POA
2 stops19h 08mUnited Airlines
Wed 7/21:55 pmPOA - PDX
3 stops49h 48mUnited Airlines
Deal found 4/11$1,642
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Sun 6/227:45 amPDX - POA
3 stops22h 40mAmerican Airlines
Sun 7/67:30 pmPOA - PDX
3 stops22h 54mAmerican Airlines
Deal found 4/10$3,307

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 April 11, 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

Sun 5/25

8:25 am-6:05 pm

2 stops29h 40m

Porto Alegre Salgado Filho

Sun 6/1

8:25 am-2:30 pm

2 stops34h 05m

$751

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sun 5/25

11:23 pm-4:50 pm

2 stops37h 27m

Porto Alegre Salgado Filho

Sun 6/1

1:40 pm-1:04 am

2 stops39h 24m

$757

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Mon 5/26

6:25 am-12:15 am

2 stops37h 50m

Porto Alegre Salgado Filho

Sun 6/1

1:23 am-2:01 pm

2 stops40h 38m

$1,021

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sat 5/24

9:45 pm-1:50 pm

2 stops36h 05m

Porto Alegre Salgado Filho

Sat 5/31

5:50 pm-11:49 pm

2 stops33h 59m

$1,026

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 6/16

11:20 am-5:00 pm

2 stops25h 40m

Porto Alegre Salgado Filho

Wed 7/2

6:40 am-12:05 pm

2 stops33h 25m

$1,176

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 6/16

2:12 pm-1:20 pm

2 stops19h 08m

Porto Alegre Salgado Filho

Wed 7/2

1:55 pm-11:43 am

3 stops49h 48m

$1,642

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Sun 6/22

7:45 am-10:25 am

3 stops22h 40m

Porto Alegre Salgado Filho

Sun 7/6

7:30 pm-2:24 pm

3 stops22h 54m

$3,307

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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

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 April 11, 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 April 11, 2025.
Peruse reviews from past customers who have flown with Copa Airlines, LATAM Airlines and United 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.
Copa Airlines
7.6
Good
1,408 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Copa Airlines
7.6
Good
1,408 reviews
Copa Airlines
7.6
Good
1,408 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
LATAM Airlines
7.5
Good
1,757 reviews
Copa Airlines
7.6
Good
1,408 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
United Airlines
7.4
Good
8,636 reviews
Copa Airlines
7.6
Good
1,408 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.6
Good
1,408 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.

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.

See more FAQs

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Alternative routes for Washington to Porto Alegre

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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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$798Average$853FlexibilityNo cancel feeOn-time71%

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