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.

$503 Cheap Flights from Seattle to Porto Alegre in 2025

1 adult

0 bags

Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Porto Alegre

Round-trip

One-way

Cheap round-trip flights

7:10 am - 4:10 pmSEA-POA

29h 00m3 stops

5:10 pm - 11:31 amPOA-SEA

22h 21m2 stops

$503United Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 23

2:00 pm - 4:10 pmSEA-POA

22h 10m2 stops

3:25 pm - 10:45 amPOA-SEA

23h 20m2 stops

$504United Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 23

11:20 pm - 6:25 amSEA-POA

27h 05m2 stops

6:40 am - 11:54 pmPOA-SEA

21h 14m2 stops

$809Delta

Find Deal

Thu, Sep 25 - Sun, Oct 12

11:20 pm - 12:25 amSEA-POA

45h 05m2 stops

7:20 am - 10:09 amPOA-SEA

30h 49m2 stops

$813Delta

Find Deal

Fri, Sep 12 - Sun, Sep 21

1:30 pm - 5:00 pmSEA-POA

23h 30m2 stops

7:20 am - 10:26 amPOA-SEA

31h 06m2 stops

$853LATAM Airlines

Find Deal

Fri, Sep 26 - Mon, Oct 13

11:35 am - 3:10 pmSEA-POA

23h 35m2 stops

4:40 am - 11:54 pmPOA-SEA

23h 14m2 stops

$855LATAM Airlines

Find Deal

Fri, Sep 26 - Fri, Oct 10

5:14 pm - 12:20 amSEA-POA

27h 06m2 stops

1:27 am - 1:30 pmPOA-SEA

40h 03m2 stops

$899Copa Airlines

Find Deal

Tue, Sep 9 - Mon, Sep 22

5:14 pm - 12:20 amSEA-POA

51h 06m2 stops

1:25 am - 9:53 pmPOA-SEA

48h 28m2 stops

$1,066Copa Airlines

Find Deal

Wed, Sep 24 - Mon, Oct 13

10:00 am - 4:15 pmSEA-POA

26h 15m3 stops

5:10 pm - 2:16 pmPOA-SEA

25h 06m3 stops

$1,173Air Canada

Find Deal

Thu, Sep 25 - Tue, Oct 14

10:00 am - 4:15 pmSEA-POA

26h 15m3 stops

5:10 pm - 2:16 pmPOA-SEA

25h 06m3 stops

$1,273Air Canada

Find Deal

Thu, Sep 25 - Mon, Oct 13

LATAM Airlines flights from Seattle to Porto Alegre

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

LATAM Airlines

Sep 26

SEA1:30 pmSeattle/Tacoma Intl

23h 30m

2 stops

POA5:00 pmPorto Alegre Salgado Filho

Oct 13

POA7:20 amPorto Alegre Salgado Filho

31h 06m

2 stops

SEA10:26 amSeattle/Tacoma Intl

$853

Find similar

LATAM Airlines

Sep 26

SEA11:35 amSeattle/Tacoma Intl

23h 35m

2 stops

POA3:10 pmPorto Alegre Salgado Filho

Oct 10

POA4:40 amPorto Alegre Salgado Filho

23h 14m

2 stops

SEA11:54 pmSeattle/Tacoma Intl

$855

Find similar

LATAM Airlines

Sep 25

SEA11:20 pmSeattle/Tacoma Intl

27h 05m

2 stops

POA6:25 amPorto Alegre Salgado Filho

Oct 12

POA8:55 pmPorto Alegre Salgado Filho

30h 29m

3 stops

SEA11:24 pmSeattle/Tacoma Intl

$1,176

Find similar

United Airlines flights from Seattle to Porto Alegre

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

United Airlines

Sep 9

SEA7:10 amSeattle/Tacoma Intl

29h 00m

3 stops

POA4:10 pmPorto Alegre Salgado Filho

Sep 23

POA5:10 pmPorto Alegre Salgado Filho

22h 21m

2 stops

SEA11:31 amSeattle/Tacoma Intl

$503

Find similar

United Airlines

Sep 9

SEA2:00 pmSeattle/Tacoma Intl

22h 10m

2 stops

POA4:10 pmPorto Alegre Salgado Filho

Sep 23

POA3:25 pmPorto Alegre Salgado Filho

23h 20m

2 stops

SEA10:45 amSeattle/Tacoma Intl

$504

Find similar

United Airlines

Sep 9

SEA8:00 amSeattle/Tacoma Intl

26h 35m

3 stops

POA2:35 pmPorto Alegre Salgado Filho

Sep 26

POA3:25 pmPorto Alegre Salgado Filho

28h 27m

2 stops

SEA3:52 pmSeattle/Tacoma Intl

$515

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 9/9

7:10 am-4:10 pm

3 stops29h 00m

Porto Alegre Salgado Filho

Tue 9/23

5:10 pm-11:31 am

2 stops22h 21m

$503

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 9/9

2:00 pm-4:10 pm

2 stops22h 10m

Porto Alegre Salgado Filho

Tue 9/23

3:25 pm-10:45 am

2 stops23h 20m

$504

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Thu 9/25

11:20 pm-6:25 am

2 stops27h 05m

Porto Alegre Salgado Filho

Sun 10/12

6:40 am-11:54 pm

2 stops21h 14m

$809

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 9/12

11:20 pm-12:25 am

2 stops45h 05m

Porto Alegre Salgado Filho

Sun 9/21

7:20 am-10:09 am

2 stops30h 49m

$813

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 9/26

1:30 pm-5:00 pm

2 stops23h 30m

Porto Alegre Salgado Filho

Mon 10/13

7:20 am-10:26 am

2 stops31h 06m

$853

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 9/26

11:35 am-3:10 pm

2 stops23h 35m

Porto Alegre Salgado Filho

Fri 10/10

4:40 am-11:54 pm

2 stops23h 14m

$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-1:30 pm

2 stops40h 03m

$899

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Wed 9/24

5:14 pm-12:20 am

2 stops51h 06m

Porto Alegre Salgado Filho

Mon 10/13

1:25 am-9:53 pm

2 stops48h 28m

$1,066

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Thu 9/25

10:00 am-4:15 pm

3 stops26h 15m

Porto Alegre Salgado Filho

Tue 10/14

5:10 pm-2:16 pm

3 stops25h 06m

$1,173

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Thu 9/25

10:00 am-4:15 pm

3 stops26h 15m

Porto Alegre Salgado Filho

Mon 10/13

5:10 pm-2:16 pm

3 stops25h 06m

$1,273

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

Best Price Found	$503
Fastest flight time	20h 25m
Direct flights	None
Airports in Porto Alegre	1 airport

The best flight deal from Seattle to Porto Alegre found on momondo in the last 72 hours is $503

The fastest flight from Seattle to Porto Alegre takes 20h 25m

There are no direct flights from Seattle to Porto Alegre. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Porto Alegre Salgado Filho Airport.

There is 1 airport near Porto Alegre: Porto Alegre Salgado Filho (POA)

Search flight deals

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 20h 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.