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Cheap flights from Seattle to Porto Alegre from $877

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Porto Alegre departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Porto Alegre

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Porto Alegre.
11:45 pm - 5:55 pmSEA-POA
38h 10m2 stops
5:35 pm - 8:41 pmPOA-SEA
31h 06m2 stops
$877United Airlines
Find Deal
Wed, Apr 30 - Thu, Jun 5
12:46 pm - 5:55 pmSEA-POA
49h 09m3 stops
5:35 pm - 8:41 pmPOA-SEA
31h 06m2 stops
$980United Airlines
Find Deal
Wed, Apr 30 - Thu, Jun 5
5:18 pm - 6:05 pmSEA-POA
44h 47m2 stops
4:55 pm - 10:50 pmPOA-SEA
33h 55m2 stops
$990United Airlines
Find Deal
Sat, May 10 - Sat, May 17
5:40 am - 5:55 pmSEA-POA
32h 15m3 stops
2:00 pm - 7:37 pmPOA-SEA
33h 37m2 stops
$1,061
Find Deal
Sat, May 10 - Sat, May 17
5:13 pm - 12:15 amSEA-POA
27h 02m2 stops
1:20 am - 9:57 pmPOA-SEA
24h 37m2 stops
$1,242Copa Airlines
Find Deal
Sat, May 10 - Fri, May 16
3:20 pm - 2:35 pmSEA-POA
43h 15m3 stops
1:00 pm - 10:51 amPOA-SEA
25h 51m3 stops
$1,321
Find Deal
Sat, May 10 - Sat, May 17
7:33 pm - 12:15 amSEA-POA
24h 42m2 stops
1:23 am - 9:58 pmPOA-SEA
24h 35m2 stops
$1,576Copa Airlines
Find Deal
Wed, Apr 30 - Wed, Jun 4
5:10 pm - 10:25 amSEA-POA
37h 15m3 stops
1:23 am - 10:30 pmPOA-SEA
25h 07m2 stops
$2,977Copa Airlines
Find Deal
Wed, Apr 30 - Wed, Jun 4

Copa Airlines flights from Seattle to Porto Alegre

Our best Copa Airlines deals on Seattle to Porto Alegre flight tickets
Copa Airlines
May 10
SEA5:13 pmSeattle/Tacoma Intl
27h 02m
2 stops
POA12:15 amPorto Alegre Salgado Filho
May 16
POA1:20 amPorto Alegre Salgado Filho
24h 37m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
Copa Airlines
Apr 30
SEA7:33 pmSeattle/Tacoma Intl
24h 42m
2 stops
POA12:15 amPorto Alegre Salgado Filho
Jun 4
POA1:23 amPorto Alegre Salgado Filho
24h 35m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
Copa Airlines
Apr 30
SEA5:10 pmSeattle/Tacoma Intl
37h 15m
3 stops
POA10:25 amPorto Alegre Salgado Filho
Jun 4
POA1:23 amPorto Alegre Salgado Filho
25h 07m
2 stops
SEA10:30 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to Porto Alegre

Our best United Airlines deals on Seattle to Porto Alegre flight tickets
United Airlines
Apr 30
SEA11:45 pmSeattle/Tacoma Intl
38h 10m
2 stops
POA5:55 pmPorto Alegre Salgado Filho
Jun 5
POA5:35 pmPorto Alegre Salgado Filho
31h 06m
2 stops
SEA8:41 pmSeattle/Tacoma Intl
United Airlines
Apr 30
SEA12:46 pmSeattle/Tacoma Intl
49h 09m
3 stops
POA5:55 pmPorto Alegre Salgado Filho
Jun 5
POA5:35 pmPorto Alegre Salgado Filho
31h 06m
2 stops
SEA8:41 pmSeattle/Tacoma Intl
United Airlines
May 10
SEA5:18 pmSeattle/Tacoma Intl
44h 47m
2 stops
POA6:05 pmPorto Alegre Salgado Filho
May 17
POA4:55 pmPorto Alegre Salgado Filho
33h 55m
2 stops
SEA10:50 pmSeattle/Tacoma Intl

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 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

$877

Fastest flight time

24h 42m

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 $877
The fastest flight from Seattle to Porto Alegre takes 24h 42m
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)

  • 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 24h 42m.

  • 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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Porto Alegre Salgado Filho Airport?

  • 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.

  • What is the most popular airline from Seattle to Porto Alegre?


Best airlines flying from Seattle to Porto Alegre

Compare and see reviews for airlines that fly from Seattle to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $869Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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.


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