Which airports can I use when flying from Seattle to Porto Alegre?

Flights from Seattle to Porto Alegre usually depart from Seattle/Tacoma Intl (SEA) and arrive at Porto Alegre Salgado Filho (POA).

What cabin classes can I book on flights from Seattle to Porto Alegre?

Two cabin classes are available on flights from Seattle to Porto Alegre: • Economy Class • First Class

Can I save money by using flexible dates for flights from Seattle to Porto Alegre?

Yes. Flexible dates can save you up to 43% on flights from Seattle to Porto Alegre. Wednesday is the cheapest departure day at $1,101 round-trip on average, while Thursday is the most expensive at $1,905, a difference of $804. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Porto Alegre?

Some of the most popular sights in Porto Alegre are Araujo Vianna Auditorium, Moinhos de Vento Park and Farroupilha Park. These are among the most viewed places in Porto Alegre on KAYAK.

Do I need a passport to fly from Seattle to Porto Alegre?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Seattle to Porto Alegre changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,260 to $4,790. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Seattle to Porto Alegre looking right now?

One-way fares from Seattle to Porto Alegre are currently higher than usual. Average one-way flight prices are about $1,161, which is 77% above the typical average for this route.

What is the time difference between Seattle and Porto Alegre?

Porto Alegre is 4 hours ahead of Seattle (Brasilia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Porto Alegre Salgado Filho Airport (POA)?

Porto Alegre Salgado Filho Airport (POA) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include: • FOCO • MOVIDA • Localiza • Avis • Unidas

How much should I expect to pay for a Seattle to Porto Alegre flight?

Round-trip flights from Seattle to Porto Alegre range from $1,105 to $1,468, with an average of $1,339 over the past 12 months. Anything below $1,105 counts as a good deal.

How much is a round-trip flight from Seattle to Porto Alegre?

Round-trip flights from Seattle to Porto Alegre typically range from $1,105 to $1,468. The lowest price found in the past 5 days was $1,260, on Copa Airlines.

What's the cheapest day of the week to fly from Seattle to Porto Alegre?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to Porto Alegre. It’s 18% cheaper than the average day, while Thursday is the most expensive, with prices 42% higher.

Which airline is the cheapest to fly from Seattle to Porto Alegre?

Copa Airlines ($1,260) and LATAM Airlines ($1,424) are the cheapest airlines to fly round-trip from Seattle to Porto Alegre according to KAYAK data over the last 5 days.

$1,002 CHEAP FLIGHTS from Seattle to Porto Alegre (SEA - POA)

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Cheapest round-trip

$1,260

Typical prices: $1,105-$1,468

Copa Airlines

Sun 12/2Fri 12/7

SEA - POA • 2 stops

Cheapest one-way

$1,002

Typical prices: $549-$774

Air Canada

Wed 12/26

SEA - POA • 2 stops

When to travel

March

Cheapest • 32% price drop

January

Most popular

Good to know

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We hope you love your trip to Porto Alegre!

Flight Deals

Cheap Flights from Seattle to Porto Alegre (SEA-POA)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Seattle to Porto Alegre

Wed, Dec 2 - Mon, Dec 7

5:35 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

25h 50m2 stops San Francisco Panama City Tocumen Intl

1:35 am - 11:44 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

27h 09m2 stops Panama City Tocumen Intl San Francisco

$1,260Copa Airlines

Mon, Nov 23 - Mon, Nov 30

6:00 am - 6:40 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

19h 40m2 stops Los Angeles Lima J Chavez Intl

5:40 pm - 8:50 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

32h 10m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$1,295Multiple Airlines

Sun, Jan 31 - Thu, Feb 4

9:44 am - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

26h 06m2 stops Los Angeles Santiago Arturo Merino Benitez

7:30 am - 10:05 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

31h 35m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,424LATAM Airlines

Sun, Jan 31 - Thu, Feb 4

9:30 am - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

26h 20m2 stops Los Angeles Santiago Arturo Merino Benitez

7:30 am - 12:09 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

21h 39m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,424LATAM Airlines

Sun, Jan 31 - Thu, Feb 4

7:50 am - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

28h 00m2 stops Atlanta Hartsfield-Jackson Santiago Arturo Merino Benitez

7:30 am - 12:09 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

21h 39m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,424LATAM Airlines

Sun, Jan 31 - Thu, Feb 4

7:50 am - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

28h 00m2 stops Atlanta Hartsfield-Jackson Santiago Arturo Merino Benitez

9:15 am - 12:23 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

32h 08m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$1,427LATAM Airlines

Sun, Jan 31 - Thu, Feb 4

8:08 am - 4:30 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

27h 22m2 stops Washington, D.C. Dulles Intl Sao Paulo Guarulhos Intl

3:45 pm - 9:59 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

35h 14m3 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl Los Angeles

$1,434United Airlines

Wed, Dec 2 - Tue, Dec 8

4:58 pm - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

42h 52m3 stops Denver Intl Orlando Belo Horizonte Tancredo Neves Intl

10:40 am - 8:59 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

39h 19m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

$1,641Multiple Airlines

Wed, Dec 2 - Tue, Dec 8

4:58 pm - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

42h 52m3 stops Denver Intl Orlando Belo Horizonte Tancredo Neves Intl

8:35 am - 2:37 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

35h 02m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Vancouver Intl

$1,671Multiple Airlines

Sat, Dec 19 - Fri, Jan 1

12:26 pm - 5:40 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

24h 14m2 stops Dallas/Fort Worth Rio de Janeiro–Galeão Intl

7:40 pm - 11:57 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

21h 17m2 stops Sao Paulo Guarulhos Intl Miami

$3,118GOL

Booking Insights

Price, demand and travel trends for Seattle to Porto Alegre flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a round-trip flight from Seattle to Porto Alegre? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Porto Alegre departing in december.
What's the cheapest day of the week to fly from Seattle to Porto Alegre?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to Porto Alegre. It’s 18% cheaper than the average day, while Thursday is the most expensive, with prices 42% higher.

Find deals

Low season	April
High season	January
Cheapest flight	$1,002

Beat the crowds with an average 55% drop in travelers.

The most popular month to fly with an average 5% increase in travelers.

One-way flight from Seattle to Porto Alegre

When to book flights from Seattle to Porto Alegre

Are your dates flexible? Find out the best times to travel from Seattle to Porto Alegre based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Seattle to Porto Alegre?
Two cabin classes are available on flights from Seattle to Porto Alegre:

• Economy Class
• First Class
Do I need a passport to fly from Seattle to Porto Alegre?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Seattle to Porto Alegre flight?
Round-trip flights from Seattle to Porto Alegre range from $1,105 to $1,468, with an average of $1,339 over the past 12 months. Anything below $1,105 counts as a good deal.
Have flight prices from Seattle to Porto Alegre changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,260 to $4,790. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Seattle to Porto Alegre looking right now?
One-way fares from Seattle to Porto Alegre are currently higher than usual. Average one-way flight prices are about $1,161, which is 77% above the typical average for this route.
What car rental options are available at Porto Alegre Salgado Filho Airport (POA)?
Porto Alegre Salgado Filho Airport (POA) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:

• FOCO
• MOVIDA
• Localiza
• Avis
• Unidas
Which airports can I use when flying from Seattle to Porto Alegre?
Flights from Seattle to Porto Alegre usually depart from Seattle/Tacoma Intl (SEA) and arrive at Porto Alegre Salgado Filho (POA).
Can I save money by using flexible dates for flights from Seattle to Porto Alegre?
Yes. Flexible dates can save you up to 43% on flights from Seattle to Porto Alegre. Wednesday is the cheapest departure day at $1,101 round-trip on average, while Thursday is the most expensive at $1,905, a difference of $804.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Seattle and Porto Alegre?
Porto Alegre is 4 hours ahead of Seattle (Brasilia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Porto Alegre?
Some of the most popular sights in Porto Alegre are Araujo Vianna Auditorium, Moinhos de Vento Park and Farroupilha Park. These are among the most viewed places in Porto Alegre on KAYAK.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $1,101, about $804 less than Thursday fares (42% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Porto Alegre trip for March. Fares historically average $914 round-trip in that month - typically $991 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Alegre Salgado Filho Airport.

• ibis Porto Alegre Aeroporto
• Hotel Express Aeroporto
• Master Express Dom Pedro II

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SEA - POA

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Everything you should know

Cheap Flights from Seattle to Porto Alegre (SEA-POA)

Recent round-trip flight deals from Seattle to Porto Alegre

Recent one-way flight deals from Seattle to Porto Alegre

Price, demand and travel trends for Seattle to Porto Alegre flights

How much is a round-trip flight from Seattle to Porto Alegre?

What's the cheapest day of the week to fly from Seattle to Porto Alegre?

Which airline is the cheapest to fly from Seattle to Porto Alegre?

Key details for Seattle to Porto Alegre flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Porto Alegre

Your Seattle to Porto Alegre flight questions, answered

Your guide to booking Seattle to Porto Alegre flights

More options for your flight from Seattle to Porto Alegre

Complete your trip to Porto Alegre with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Porto Alegre

Find direct flights to and from Seattle and Porto Alegre

Flights from domestic origins to Porto Alegre

Flights to other popular destinations

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