Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Seattle to Porto Alegre from $686

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
11:35 pm - 6:40 amSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
26h 05m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
5:40 pm - 2:34 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
25h 54m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl
$1,198LATAM Airlines
Sun, Nov 22 - Mon, Dec 7
Air Canada Logo
7:45 am - 6:55 pmSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
30h 10m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
3:15 pm - 8:59 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
34h 44m2 stops Rio de Janeiro–Galeão Intl Toronto Pearson Intl
$1,299Air Canada
Mon, Mar 8 - Fri, Mar 12
Air Canada Logo
7:45 am - 4:25 pmSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
27h 40m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
5:25 am - 8:59 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
44h 34m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,301Air Canada
Mon, Mar 8 - Fri, Mar 12
Copa Airlines Logo
4:39 pm - 12:25 amSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
26h 46m2 stops Los Angeles Panama City Tocumen Intl
Copa Airlines Logo
1:30 am - 9:50 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
25h 20m2 stops Panama City Tocumen Intl Los Angeles
$1,425Copa Airlines
Mon, Nov 23 - Thu, Nov 26
Multiple Airlines Logo
7:45 am - 9:05 pmSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
32h 20m3 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl Curitiba Afonso Pena
Multiple Airlines Logo
11:50 am - 6:22 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
35h 32m3 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,593Multiple Airlines
Sun, Nov 22 - Mon, Dec 7
Multiple Airlines Logo
1:52 pm - 12:25 amSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
29h 33m2 stops Los Angeles Panama City Tocumen Intl
Multiple Airlines Logo
11:50 am - 6:22 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
35h 32m3 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,663Multiple Airlines
Sun, Nov 22 - Mon, Dec 7
United Airlines Logo
10:55 am - 6:25 pmSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
26h 30m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
5:10 pm - 7:03 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
30h 53m3 stops Sao Paulo Guarulhos Intl Houston George Bush Intcntl Los Angeles
$1,699United Airlines
Mon, Mar 8 - Fri, Mar 12
LATAM Airlines Logo
11:45 am - 9:30 pmSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
28h 45m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:40 pm - 10:05 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
57h 25m3 stops Santiago Arturo Merino Benitez Punta Cana Miami
$1,828LATAM Airlines
Mon, Nov 23 - Fri, Nov 27
Multiple Airlines Logo
6:45 pm - 12:25 amSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
24h 40m2 stops Las Vegas Harry Reid Intl Panama City Tocumen Intl
Multiple Airlines Logo
1:35 am - 11:16 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
26h 41m2 stops Panama City Tocumen Intl Denver Intl
$1,875Multiple Airlines
Sat, Dec 19 - Mon, Dec 28
Multiple Airlines Logo
6:45 pm - 12:25 amSEA  Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho
24h 40m2 stops Las Vegas Harry Reid Intl Panama City Tocumen Intl
Multiple Airlines Logo
1:40 am - 9:59 pmPOA  Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl
25h 19m2 stops Panama City Tocumen Intl Los Angeles
$2,003Multiple Airlines
Sat, Dec 19 - Thu, Dec 31

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Seattle to Porto Alegre

Our best Air Canada deals on Seattle to Porto Alegre flight tickets
Air Canada
Mar 8
SEA7:45 amSeattle/Tacoma Intl
30h 10m
2 stops
POA6:55 pmPorto Alegre Salgado Filho
Mar 12
POA3:15 pmPorto Alegre Salgado Filho
34h 44m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,299
Air Canada
Mar 8
SEA7:45 amSeattle/Tacoma Intl
27h 40m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
Mar 12
POA5:25 amPorto Alegre Salgado Filho
44h 34m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,301
Air Canada
Dec 23
SEA8:30 amSeattle/Tacoma Intl
25h 30m
3 stops
POA3:00 pmPorto Alegre Salgado Filho
Jan 4
POA5:10 pmPorto Alegre Salgado Filho
26h 27m
3 stops
SEA2:37 pmSeattle/Tacoma Intl
$4,867

LATAM Airlines flights from Seattle to Porto Alegre

Our best LATAM Airlines deals on Seattle to Porto Alegre flight tickets
LATAM Airlines
Nov 22
SEA11:35 pmSeattle/Tacoma Intl
26h 05m
2 stops
POA6:40 amPorto Alegre Salgado Filho
Dec 7
POA5:40 pmPorto Alegre Salgado Filho
25h 54m
2 stops
SEA2:34 pmSeattle/Tacoma Intl
$1,198
LATAM Airlines
Nov 23
SEA11:45 amSeattle/Tacoma Intl
28h 45m
2 stops
POA9:30 pmPorto Alegre Salgado Filho
Nov 27
POA5:40 pmPorto Alegre Salgado Filho
57h 25m
3 stops
SEA10:05 pmSeattle/Tacoma Intl
$1,828
LATAM Airlines
Dec 23
SEA11:25 pmSeattle/Tacoma Intl
29h 40m
2 stops
POA10:05 amPorto Alegre Salgado Filho
Jan 4
POA5:40 pmPorto Alegre Salgado Filho
24h 00m
2 stops
SEA12:40 pmSeattle/Tacoma Intl
$2,282

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Sun 11/22

11:35 pm-6:40 am

2 stops26h 05m

Porto Alegre Salgado Filho

Mon 12/7

5:40 pm-2:34 pm

2 stops25h 54m

$1,198

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Mon 3/8

7:45 am-6:55 pm

2 stops30h 10m

Porto Alegre Salgado Filho

Fri 3/12

3:15 pm-8:59 pm

2 stops34h 44m

$1,299

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Mon 3/8

7:45 am-4:25 pm

2 stops27h 40m

Porto Alegre Salgado Filho

Fri 3/12

5:25 am-8:59 pm

2 stops44h 34m

$1,301

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Mon 11/23

4:39 pm-12:25 am

2 stops26h 46m

Porto Alegre Salgado Filho

Thu 11/26

1:30 am-9:50 pm

2 stops25h 20m

$1,425

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Sun 11/22

7:45 am-9:05 pm

3 stops32h 20m

Porto Alegre Salgado Filho

Mon 12/7

11:50 am-6:22 pm

3 stops35h 32m

$1,593

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Sun 11/22

1:52 pm-12:25 am

2 stops29h 33m

Porto Alegre Salgado Filho

Mon 12/7

11:50 am-6:22 pm

3 stops35h 32m

$1,663

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Mon 3/8

10:55 am-6:25 pm

2 stops26h 30m

Porto Alegre Salgado Filho

Fri 3/12

5:10 pm-7:03 pm

3 stops30h 53m

$1,699

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Mon 11/23

11:45 am-9:30 pm

2 stops28h 45m

Porto Alegre Salgado Filho

Fri 11/27

5:40 pm-10:05 pm

3 stops57h 25m

$1,828

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Sat 12/19

6:45 pm-12:25 am

2 stops24h 40m

Porto Alegre Salgado Filho

Mon 12/28

1:35 am-11:16 pm

2 stops26h 41m

$1,875
Quickest round-trip

SeattlePorto Alegre

SEA Seattle/Tacoma Intl - POA Porto Alegre Salgado Filho

SEAPOA

Seattle/Tacoma Intl

Sat 12/19

6:45 pm-12:25 am

2 stops24h 40m

Porto Alegre Salgado Filho

Thu 12/31

1:40 am-9:59 pm

2 stops25h 19m

$2,003

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Seattle to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Porto Alegre Salgado Filho?

GOL is the most popular carrier operating from Seattle/Tacoma Intl to Porto Alegre Salgado Filho

When to book flights from Seattle to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Porto Alegre (SEA to POA) flight deals and tips

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

Best Price Found

$686

Fastest flight time

28h 25m

Direct flights

None
The best one-way flight to Porto Alegre from Seattle in the past 72 hours is $686. The best round-trip flight deal from Seattle to Porto Alegre found on momondo in the last 72 hours is $1,198.
The fastest flight from Seattle to Porto Alegre takes 28h 25m
There are no direct flights from Seattle to Porto Alegre. There are no popular flight routes from Seattle to Porto Alegre.
Search flight deals

Frequently asked questions about flying from Seattle to Porto Alegre

  • How far is Seattle/Tacoma Intl to Porto Alegre Salgado Filho by plane?

    The distance between Seattle/Tacoma Intl and Porto Alegre Salgado Filho is about 6933.3 mi. In terms of flight time, this usually takes a little over 28h 25m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Porto Alegre Salgado Filho Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents you'll need for your trip to Porto Alegre Salgado Filho Airport 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 Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

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

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

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

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

Of course. momondo tracks the price of Seattle to Porto Alegre flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto Alegre trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/11
Fri 12/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Brazil