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?

Only Economy Class is available on flights from Seattle to Porto Alegre.

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

Yes. Flexible dates can save you up to 41% on flights from Seattle to Porto Alegre. Thursday is the cheapest departure day at $1,010 round-trip on average, while Saturday is the most expensive at $1,708, a difference of $698. 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, Fiergs Exhibition and Convention Center and Moinhos de Vento 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 $1,256 to $4,082. That means the highest observed fare was about 3x 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 $1,321, which is 140% 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 $2 for economy cars. Top options include: • FOCO • Localiza • Avis • MOVIDA • Budget

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

Round-trip flights from Seattle to Porto Alegre range from $1,100 to $1,430, with an average of $1,197 over the past 12 months. Anything below $1,100 counts as a good deal.

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

Copa Airlines ($1,256) and LATAM Airlines ($1,303) are the cheapest airlines to fly round-trip from Seattle to Porto Alegre according to KAYAK data over the last 5 days.

$1,122 CHEAP FLIGHTS from Seattle to Porto Alegre (SEA - POA)

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Cheapest round-trip

$1,256

Typical prices: $1,100-$1,430

Copa Airlines

Mon 11/5Sun 11/11

SEA - POA • 2 stops

Cheapest one-way

$1,122

Typical prices: $429-$659

Multiple Airlines

Thu 12/20

SEA - POA • 2 stops

When to travel

October

Cheapest • 44% price drop

December

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

Thu, Nov 5 - Wed, Nov 11

4:39 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

26h 46m2 stops Los Angeles Panama City Tocumen Intl

1:30 am - 9:50 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

25h 20m2 stops Panama City Tocumen Intl Los Angeles

$1,256Copa Airlines

Mon, Nov 16 - Mon, Dec 7

4:39 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

26h 46m2 stops Los Angeles Panama City Tocumen Intl

1:35 am - 9:58 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

25h 23m2 stops Panama City Tocumen Intl Los Angeles

$1,256Copa Airlines

Sat, Oct 24 - Sat, Oct 31

7:25 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

25h 00m2 stops San Francisco Panama City Tocumen Intl

1:30 am - 12:14 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

38h 44m2 stops Panama City Tocumen Intl Los Angeles

$1,256Copa Airlines

Sat, Oct 24 - Fri, Oct 30

7:25 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

25h 00m2 stops San Francisco Panama City Tocumen Intl

1:25 am - 9:50 pmPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

24h 25m2 stops Panama City Tocumen Intl Los Angeles

$1,256Copa Airlines

Tue, Nov 3 - Mon, Nov 9

4:39 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

26h 46m2 stops Los Angeles Panama City Tocumen Intl

1:30 am - 11:14 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

38h 44m2 stops Panama City Tocumen Intl Los Angeles

$1,256Copa Airlines

Sat, Nov 7 - Sun, Nov 15

4:39 pm - 12:25 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

26h 46m2 stops Los Angeles Panama City Tocumen Intl

1:30 am - 11:14 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

38h 44m2 stops Panama City Tocumen Intl Los Angeles

$1,267Copa Airlines

Wed, Feb 3 - Tue, Feb 16

11:00 pm - 4:50 pmSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

36h 50m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

7:30 am - 12:06 amPOA Porto Alegre Salgado Filho-SEA Seattle/Tacoma Intl

21h 36m2 stops Lima J Chavez Intl Los Angeles

$1,284Multiple Airlines

Sun, Jan 31 - Thu, Feb 4

9:20 pm - 6:40 amSEA Seattle/Tacoma Intl-POA Porto Alegre Salgado Filho

28h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

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

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

$1,303LATAM Airlines

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?

Round-trip flights from Seattle to Porto Alegre typically range from $1,100 to $1,430. The lowest price found in the past 5 days was $1,256, 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, Thursday is the cheapest day of the week to fly from Seattle to Porto Alegre. It’s 16% cheaper than the average day, while Saturday is the most expensive, with prices 42% higher.

Find deals

Low season	April
High season	December
Cheapest flight	$1,122

Beat the crowds with an average 9% drop in travelers.

The most popular month to fly with an average 82% 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?
Only Economy Class is available on flights from Seattle to Porto Alegre.
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 $1,100 to $1,430, with an average of $1,197 over the past 12 months. Anything below $1,100 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 $1,256 to $4,082. That means the highest observed fare was about 3x 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 $1,321, which is 140% 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 $2 for economy cars. Top options include:

• FOCO
• Localiza
• Avis
• MOVIDA
• Budget
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 41% on flights from Seattle to Porto Alegre. Thursday is the cheapest departure day at $1,010 round-trip on average, while Saturday is the most expensive at $1,708, a difference of $698.

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, Fiergs Exhibition and Convention Center and Moinhos de Vento Park. These are among the most viewed places in Porto Alegre on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $1,010, about $698 less than Saturday fares (41% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Porto Alegre trip for October. Fares historically average $667 round-trip in that month - typically $1,426 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
• Novotel Porto Alegre Airport

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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

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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

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Flights from domestic origins to Porto Alegre

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