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Sao Paulo

$310+ Cheap flights from Seattle (SEA) to Sao Paulo, Brazil (SAO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Seattle to Sao Paulo

Cheapest flights from Seattle to Sao Paulo
Explore the most affordable flight options available from Seattle to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:15 am
SEA
-
GRU
1 stop18h 25m
LATAM Airlines
Tue 3/1011:05 pm
GRU
-
SEA
1 stop17h 42m
LATAM Airlines
Deal found 1/27$609
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:25 pm
SEA
-
GRU
1 stop16h 30m
United Airlines
Wed 4/2210:20 pm
GRU
-
SEA
1 stop24h 40m
United Airlines
Deal found 1/27$612
This KAYAK deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:17 am
SEA
-
GRU
1 stop21h 03m
Multiple Airlines
Wed 3/1110:15 pm
GRU
-
SEA
1 stop17h 34m
Multiple Airlines
Deal found 1/28$617
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:25 am
SEA
-
GRU
1 stop16h 55m
LATAM Airlines
Sat 9/1210:45 pm
GRU
-
SEA
1 stop19h 38m
LATAM Airlines
Deal found 1/27$620
This KAYAK deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:17 am
SEA
-
GRU
1 stop21h 03m
Copa Airlines
Wed 3/119:45 pm
GRU
-
SEA
2 stops25h 18m
Copa Airlines
Deal found 1/28$621
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 am
SEA
-
GRU
2 stops20h 00m
United Airlines
Thu 10/19:30 pm
GRU
-
SEA
1 stop26h 40m
United Airlines
Deal found 1/26$622
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:59 pm
SEA
-
GRU
1 stop26h 16m
United Airlines
Fri 3/69:45 pm
GRU
-
SEA
1 stop26h 18m
United Airlines
Deal found 1/28$623
This LATAM Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
SEA
-
GRU
2 stops19h 00m
LATAM Airlines
Mon 9/711:00 pm
GRU
-
SEA
2 stops23h 52m
LATAM Airlines
Deal found 1/27$625
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:21 am
SEA
-
GRU
2 stops18h 59m
American Airlines
Fri 3/1312:15 am
GRU
-
SEA
1 stop27h 25m
American Airlines
Deal found 1/28$626
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:35 pm
SEA
-
GRU
2 stops20h 25m
Delta
Thu 8/2711:00 pm
GRU
-
SEA
2 stops19h 43m
Delta
Deal found 1/26$627
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:57 pm
SEA
-
GRU
1 stop27h 13m
American Airlines
Fri 3/1312:15 am
GRU
-
SEA
1 stop27h 25m
American Airlines
Deal found 1/28$633
This GOL deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:45 am
SEA
-
VCP
2 stops40h 25m
GOL
Wed 3/187:40 pm
VCP
-
SEA
2 stops32h 00m
GOL
Deal found 1/27$790

Find flight deals from Seattle to Sao Paulo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sao Paulo (SAO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$609
(FlightHub)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$633
Provider with most accurate pricing for Seattle/Tacoma Intl-Sao Paulo (SAO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sao Paulo (SAO) flights.
Search Deals
From Seattle/Tacoma Intl to Sao Paulo (SAO)
Search Deals
One-way flight from Seattle/Tacoma Intl to Sao Paulo (SAO)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Sao Paulo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seattle to Sao Paulo that are best for you.

Fly from

Seattle

Fly to

Sao Paulo

Route

Depart

Return

Price

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 3/18

7:00 am-8:55 am

2 stops21h 55m

Sao Paulo Guarulhos Intl

Wed 4/22

9:50 pm-7:00 pm

2 stops25h 10m

$612

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 3/4

7:25 am-5:40 am

1 stop17h 15m

Sao Paulo Guarulhos Intl

Wed 3/18

11:45 pm-6:58 pm

1 stop23h 13m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 3/4

7:00 am-9:30 am

2 stops21h 30m

Sao Paulo Guarulhos Intl

Wed 3/18

9:30 pm-8:56 pm

1 stop27h 26m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 3/1

6:15 am-9:35 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Wed 3/11

10:40 am-9:59 am

1 stop27h 19m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 4/21

6:30 am-6:45 am

1 stop20h 15m

Sao Paulo Guarulhos Intl

Sun 4/26

10:20 pm-7:00 pm

1 stop24h 40m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 4/20

10:48 am-9:45 am

1 stop18h 57m

Sao Paulo Guarulhos Intl

Thu 4/23

10:20 pm-7:00 pm

1 stop24h 40m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 3/9

8:00 am-9:30 am

2 stops21h 30m

Sao Paulo Guarulhos Intl

Fri 3/13

9:30 pm-8:56 pm

1 stop27h 26m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 4/15

6:20 am-6:45 am

2 stops20h 25m

Sao Paulo Guarulhos Intl

Thu 4/23

10:20 pm-7:00 pm

1 stop24h 40m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 4/15

6:20 am-6:45 am

2 stops20h 25m

Sao Paulo Guarulhos Intl

Wed 4/22

10:20 pm-7:00 pm

1 stop24h 40m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 4/16

6:20 am-6:45 am

2 stops20h 25m

Sao Paulo Guarulhos Intl

Wed 4/22

10:20 pm-7:00 pm

1 stop24h 40m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
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Compare providers for flights from Seattle to Sao Paulo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Sao Paulo in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Sao Paulo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Sao Paulo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Sao Paulo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Sao Paulo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Sao Paulo

Have a flexible travel schedule? Discover the best time to fly to Sao Paulo from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Sao Paulo

How far ahead should I book a flight from Seattle to Sao Paulo?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Sao Paulo. Price data was last updated on January 23, 2026.

The best time to book flights from Seattle to Sao Paulo is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Sao Paulo?

Currently, September is the cheapest month in which you can book a flight from Seattle to Sao Paulo (average of $386). Flying from Seattle to Sao Paulo in July is currently the most expensive (average of $580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Seattle to Sao Paulo?

Reviews of airlines servicing Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sao Paulo. Reviews last updated January 29, 2026.
Get a feel of what it's like to fly with Delta, LATAM Airlines, and United Airlines from Seattle to Sao Paulo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,918 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
GOL
7.3
Good
1,160 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Sao Paulo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Sao Paulo?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Sao Paulo from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Sao Paulo should be relatively easy as there are 0 daily outbound flights to Sao Paulo from 6 different airlines.

  • How long is the flight from Seattle to Sao Paulo?

    Airlines like LATAM Airlines, United Airlines, and Copa Airlines fly from Seattle to Sao Paulo in about 16h 30m. The time it takes to get you to your destination can typically vary by up to 4h 33m. Airlines will cover a distance of 6774 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Sao Paulo round-trip?

    Flying on American Airlines is currently your cheapest option to Sao Paulo, with prices starting at $465. Additional round-trip tickets that might be worth considering are offered by LATAM Airlines and United Airlines, with the lowest prices starting at $494 and $498, respectively. These flights start at 30% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Sao Paulo one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $428. United Airlines flights start at $428 while deals on Air Canada start at $494 one-way.

  • What are the most popular routes from Seattle to Sao Paulo?

    While some choose either Seattle/Tacoma Intl - Sao Paulo Viracopos or Seattle/Tacoma Intl - Sao Paulo Congonhas, Seattle/Tacoma Intl - Sao Paulo Guarulhos Intl is the most popular route from Seattle to Sao Paulo.

  • Can I find deals for flights from Seattle to Sao Paulo that include hotel bookings?

    Yes. In addition to deals on Seattle to Sao Paulo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Sao Paulo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sao Paulo.

  • Can I find deals for business class flights from Seattle to Sao Paulo?

    Yes. Cheapflights offers flight deals from Seattle to Sao Paulo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Sao Paulo?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Sao Paulo (average of $386). Flying from Seattle to Sao Paulo in July is currently the most expensive (average of $580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Guarulhos Intl flights
Seattle to Viracopos flights
Portland to Guarulhos Intl flights

Top 6 airlines flying from Seattle to Sao Paulo

Discover the top 6 airlines that operate flights from Seattle to Sao Paulo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$465Average$650FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$494Average$694FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$498Average$611FlexibilityNo cancel feeOn-time69%
DeltaCheapest$498Average$724FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$599Average$1,362FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$745Average$1,186FlexibilityNo cancel feeOn-time67%

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