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.

$738 Cheap Flights from Seattle to Porto Alegre in 2025/26

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 Seattle to Porto Alegre

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 4:20 pm

SEA

POA

36h 21m2 stops

5:10 pm - 10:45 pm

POA

SEA

33h 35m2 stops

$738United Airlines

Sat, Mar 14 - Wed, Mar 18

7:00 am - 2:40 pm

SEA

POA

26h 40m2 stops

6:10 pm - 6:14 pm

POA

SEA

29h 04m2 stops

$812United Airlines

Mon, Jan 26 - Mon, Feb 9

2:10 pm - 6:20 pm

SEA

POA

47h 10m2 stops

2:05 pm - 10:43 pm

POA

SEA

37h 38m3 stops

$825United Airlines

Tue, Jan 27 - Thu, Feb 5

12:35 pm - 6:20 pm

SEA

POA

48h 45m3 stops

2:05 pm - 10:43 pm

POA

SEA

37h 38m3 stops

$833United Airlines

Tue, Jan 27 - Thu, Feb 5

9:59 pm - 5:00 pm

SEA

POA

38h 01m2 stops

7:45 am - 10:07 am

POA

SEA

31h 22m2 stops

$949LATAM Airlines

Sat, Jan 24 - Sat, Feb 7

12:36 pm - 4:20 pm

SEA

POA

47h 44m3 stops

5:10 pm - 10:45 pm

POA

SEA

33h 35m2 stops

$1,006United Airlines

Sat, Mar 14 - Wed, Mar 18

8:10 am - 2:40 pm

SEA

POA

25h 30m2 stops

2:05 pm - 4:01 pm

POA

SEA

30h 56m3 stops

$1,007United Airlines

Mon, Jan 26 - Mon, Feb 9

12:40 pm - 6:20 pm

SEA

POA

48h 40m3 stops

3:15 pm - 4:01 pm

POA

SEA

29h 46m2 stops

$1,029United Airlines

Sat, Jan 24 - Sat, Feb 7

8:10 am - 6:15 pm

SEA

POA

29h 05m2 stops

9:20 pm - 10:16 pm

POA

SEA

53h 56m2 stops

$1,316Multiple Airlines

Mon, Jan 26 - Tue, Jan 27

5:50 am - 2:50 pm

SEA

POA

28h 00m3 stops

4:55 pm - 7:16 pm

POA

SEA

31h 21m3 stops

$1,407Multiple Airlines

Sat, Jan 24 - Sat, Feb 7

United Airlines flights from Seattle to Porto Alegre

Our best United Airlines deals on Seattle to Porto Alegre flight tickets

United Airlines

Mar 14

SEA11:59 pmSeattle/Tacoma Intl

34h 21m

2 stops

POA2:20 pmPorto Alegre Salgado Filho

Mar 18

POA5:10 pmPorto Alegre Salgado Filho

33h 35m

2 stops

SEA10:45 pmSeattle/Tacoma Intl

$738

Find similar

United Airlines

Jan 26

SEA7:00 amSeattle/Tacoma Intl

26h 40m

2 stops

POA2:40 pmPorto Alegre Salgado Filho

Feb 9

POA6:10 pmPorto Alegre Salgado Filho

29h 04m

2 stops

SEA6:14 pmSeattle/Tacoma Intl

$812

Find similar

United Airlines

Jan 27

SEA2:10 pmSeattle/Tacoma Intl

47h 10m

2 stops

POA6:20 pmPorto Alegre Salgado Filho

Feb 5

POA2:05 pmPorto Alegre Salgado Filho

37h 38m

3 stops

SEA10:43 pmSeattle/Tacoma Intl

$825

Find similar

GOL flights from Seattle to Porto Alegre

Our best GOL deals on Seattle to Porto Alegre flight tickets

GOL

Jan 24

SEA8:35 amSeattle/Tacoma Intl

22h 35m

2 stops

POA12:10 pmPorto Alegre Salgado Filho

Feb 7

POA9:20 amPorto Alegre Salgado Filho

32h 57m

2 stops

SEA1:17 pmSeattle/Tacoma Intl

$2,153

Find similar

GOL

Dec 20

SEA12:43 pmSeattle/Tacoma Intl

43h 17m

2 stops

POA1:00 pmPorto Alegre Salgado Filho

Jan 3

POA5:20 pmPorto Alegre Salgado Filho

23h 10m

2 stops

SEA11:30 amSeattle/Tacoma Intl

$2,522

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sat 3/14

11:59 pm-4:20 pm

2 stops36h 21m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-10:45 pm

2 stops33h 35m

$738

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Mon 1/26

7:00 am-2:40 pm

2 stops26h 40m

Porto Alegre Salgado Filho

Mon 2/9

6:10 pm-6:14 pm

2 stops29h 04m

$812

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 1/27

2:10 pm-6:20 pm

2 stops47h 10m

Porto Alegre Salgado Filho

Thu 2/5

2:05 pm-10:43 pm

3 stops37h 38m

$825

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 1/27

12:35 pm-6:20 pm

3 stops48h 45m

Porto Alegre Salgado Filho

Thu 2/5

2:05 pm-10:43 pm

3 stops37h 38m

$833

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sat 1/24

9:59 pm-5:00 pm

2 stops38h 01m

Porto Alegre Salgado Filho

Sat 2/7

7:45 am-10:07 am

2 stops31h 22m

$949

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sat 3/14

12:36 pm-4:20 pm

3 stops47h 44m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-10:45 pm

2 stops33h 35m

$1,006

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Mon 1/26

8:10 am-2:40 pm

2 stops25h 30m

Porto Alegre Salgado Filho

Mon 2/9

2:05 pm-4:01 pm

3 stops30h 56m

$1,007

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sat 1/24

12:40 pm-6:20 pm

3 stops48h 40m

Porto Alegre Salgado Filho

Sat 2/7

3:15 pm-4:01 pm

2 stops29h 46m

$1,029

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Mon 1/26

8:10 am-6:15 pm

2 stops29h 05m

Porto Alegre Salgado Filho

Tue 1/27

9:20 pm-10:16 pm

2 stops53h 56m

$1,316

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Sat 1/24

5:50 am-2:50 pm

3 stops28h 00m

Porto Alegre Salgado Filho

Sat 2/7

4:55 pm-7:16 pm

3 stops31h 21m

$1,407

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Porto Alegre?

Our data shows that Thursday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $858. On the other hand, Saturday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,654.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the evening. Flights from Seattle to Porto Alegre during this time can be as low as $869. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,038 on average. Flights to Porto Alegre from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fastest flight time	25h 55m
Direct flights	None

The fastest flight from Seattle to Porto Alegre takes 25h 55m

There are no direct flights from Seattle to Porto Alegre. There are no popular flight routes from Seattle to Porto Alegre.

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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 25h 55m.
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.