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Cheap flights from Porto Alegre to Washington from $530

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Washington departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Porto Alegre to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:45 pm - 7:03 pm
POA
-
SEA
32h 18m
2 stops
United Airlines Logo
7:00 am - 2:10 pm
SEA
-
POA
26h 10m
3 stops
$530United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
3:25 pm - 11:32 am
POA
-
SEA
25h 07m
2 stops
United Airlines Logo
2:20 pm - 2:20 pm
SEA
-
POA
43h 00m
2 stops
$531United Airlines
Tue, Feb 10 - Wed, Feb 25
United Airlines Logo
2:05 pm - 11:49 am
POA
-
SEA
26h 44m
2 stops
United Airlines Logo
7:00 am - 4:25 pm
SEA
-
POA
28h 25m
3 stops
$556United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
2:05 pm - 11:49 am
POA
-
SEA
26h 44m
2 stops
United Airlines Logo
7:00 am - 2:10 pm
SEA
-
POA
26h 10m
3 stops
$638United Airlines
Thu, Feb 26 - Mon, Mar 2
Copa Airlines Logo
1:20 am - 7:48 pm
POA
-
SEA
22h 28m
2 stops
Copa Airlines Logo
5:25 pm - 12:20 am
SEA
-
POA
26h 55m
2 stops
$871Copa Airlines
Thu, May 7 - Wed, May 20
Copa Airlines Logo
1:20 am - 7:48 pm
POA
-
SEA
22h 28m
2 stops
Copa Airlines Logo
5:00 pm - 12:20 am
SEA
-
POA
27h 20m
2 stops
$926Copa Airlines
Thu, May 7 - Sun, May 24
LATAM Airlines Logo
2:20 pm - 2:19 pm
POA
-
SEA
27h 59m
2 stops
LATAM Airlines Logo
11:15 am - 5:00 pm
SEA
-
POA
25h 45m
2 stops
$1,077LATAM Airlines
Fri, May 8 - Wed, May 20
LATAM Airlines Logo
7:45 am - 10:52 am
POA
-
PDX
32h 07m
2 stops
LATAM Airlines Logo
7:00 am - 12:40 am
PDX
-
POA
36h 40m
2 stops
$1,245LATAM Airlines
Thu, Feb 12 - Thu, Feb 19
American Airlines Logo
6:00 pm - 7:16 pm
POA
-
PDX
30h 16m
2 stops
American Airlines Logo
6:25 am - 9:55 am
PDX
-
POA
22h 30m
3 stops
$2,542American Airlines
Thu, Feb 12 - Thu, Feb 19
American Airlines Logo
6:00 pm - 1:02 pm
POA
-
PDX
24h 02m
2 stops
American Airlines Logo
6:25 am - 9:55 am
PDX
-
POA
22h 30m
3 stops
$2,630American Airlines
Thu, Feb 12 - Thu, Feb 19

United Airlines flights from Porto Alegre to State of Washington

Our best United Airlines deals on Porto Alegre to State of Washington flight tickets
United Airlines
Feb 26
POA3:45 pmPorto Alegre Salgado Filho
32h 18m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
Mar 2
SEA7:00 amSeattle/Tacoma Intl
26h 10m
3 stops
POA2:10 pmPorto Alegre Salgado Filho
$530
United Airlines
Feb 10
POA3:25 pmPorto Alegre Salgado Filho
25h 07m
2 stops
SEA11:32 amSeattle/Tacoma Intl
Feb 25
SEA2:20 pmSeattle/Tacoma Intl
43h 00m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
$531
United Airlines
Feb 26
POA2:05 pmPorto Alegre Salgado Filho
26h 44m
2 stops
SEA11:49 amSeattle/Tacoma Intl
Mar 2
SEA7:00 amSeattle/Tacoma Intl
28h 25m
3 stops
POA4:25 pmPorto Alegre Salgado Filho
$556

Copa Airlines flights from Porto Alegre to State of Washington

Our best Copa Airlines deals on Porto Alegre to State of Washington flight tickets
Copa Airlines
May 7
POA1:20 amPorto Alegre Salgado Filho
22h 28m
2 stops
SEA7:48 pmSeattle/Tacoma Intl
May 20
SEA5:25 pmSeattle/Tacoma Intl
26h 55m
2 stops
POA12:20 amPorto Alegre Salgado Filho
$871
Copa Airlines
May 7
POA1:20 amPorto Alegre Salgado Filho
22h 28m
2 stops
SEA7:48 pmSeattle/Tacoma Intl
May 24
SEA5:00 pmSeattle/Tacoma Intl
27h 20m
2 stops
POA12:20 amPorto Alegre Salgado Filho
$926

momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to State of 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Porto Alegre to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Thu 2/26

3:45 pm-7:03 pm

2 stops32h 18m

Seattle/Tacoma Intl

Mon 3/2

7:00 am-2:10 pm

3 stops26h 10m

$530

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Tue 2/10

3:25 pm-11:32 am

2 stops25h 07m

Seattle/Tacoma Intl

Wed 2/25

2:20 pm-2:20 pm

2 stops43h 00m

$531

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Thu 2/26

2:05 pm-11:49 am

2 stops26h 44m

Seattle/Tacoma Intl

Mon 3/2

7:00 am-4:25 pm

3 stops28h 25m

$556

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Thu 2/26

2:05 pm-11:49 am

2 stops26h 44m

Seattle/Tacoma Intl

Mon 3/2

7:00 am-2:10 pm

3 stops26h 10m

$638

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Thu 5/7

1:20 am-7:48 pm

2 stops22h 28m

Seattle/Tacoma Intl

Wed 5/20

5:25 pm-12:20 am

2 stops26h 55m

$871

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Thu 5/7

1:20 am-7:48 pm

2 stops22h 28m

Seattle/Tacoma Intl

Sun 5/24

5:00 pm-12:20 am

2 stops27h 20m

$926

Porto AlegreSeattle

POA - SEA

POASEA

Porto Alegre Salgado Filho

Fri 5/8

2:20 pm-2:19 pm

2 stops27h 59m

Seattle/Tacoma Intl

Wed 5/20

11:15 am-5:00 pm

2 stops25h 45m

$1,077

Porto AlegrePortland

POA - PDX

POAPDX

Porto Alegre Salgado Filho

Thu 2/12

7:45 am-10:52 am

2 stops32h 07m

Portland

Thu 2/19

7:00 am-12:40 am

2 stops36h 40m

$1,245

Porto AlegrePortland

POA - PDX

POAPDX

Porto Alegre Salgado Filho

Thu 2/12

6:00 pm-7:16 pm

2 stops30h 16m

Portland

Thu 2/19

6:25 am-9:55 am

3 stops22h 30m

$2,542

Porto AlegrePortland

POA - PDX

POAPDX

Porto Alegre Salgado Filho

Thu 2/12

6:00 pm-1:02 pm

2 stops24h 02m

Portland

Thu 2/19

6:25 am-9:55 am

3 stops22h 30m

$2,630

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Porto Alegre to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto Alegre to State of Washington

Fastest flight time

25h 52m

Direct flights

None
The fastest flight from Porto Alegre to State of Washington takes 25h 52m
There are no direct flights from Porto Alegre to State of Washington. There are no popular flight routes from Porto Alegre to State of Washington.
Search flight deals

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to Washington?

    Prices for flights from Porto Alegre Salgado Filho Airport to Washington were last updated today.

  • How old do you have to be to fly from Porto Alegre Salgado Filho Airport to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Porto Alegre to State of Washington?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Porto Alegre from State of Washington. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Porto Alegre to State of Washington with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Porto Alegre to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Porto Alegre to Washington with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington from Porto Alegre which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Porto Alegre to Washington?

momondo provides multiple filters to help you find the best flight to Washington from Porto Alegre. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto Alegre to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Porto Alegre. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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