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Sao Paulo

$319+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAO
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Sao Paulo are usually found in May or October, booked 27 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 December 15, 2025.

This FlightHub deal was found by Cheapflights users on 12/13. 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.
Wed 12/2411:00 pmSEA - GRU
1 stop16h 55mLATAM Airlines
Sun 1/1811:45 pmGRU - SEA
1 stop39h 22mLATAM Airlines
Deal found 12/13$644
This Delta deal was found by Cheapflights users on 12/12. 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.
Tue 12/237:30 pmSEA - GRU
2 stops19h 40mDelta
Thu 1/2911:45 pmGRU - SEA
1 stop19h 33mDelta
Deal found 12/12$717
This GOL deal was found by Cheapflights users on 12/14. 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.
Tue 12/2312:43 pmSEA - GRU
1 stop36h 37mGOL
Thu 1/2910:00 pmGRU - SEA
1 stop16h 37mGOL
Deal found 12/14$750
This CheapOair deal was found by Cheapflights users on 12/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:45 pmSEA - GRU
1 stop34h 55mLATAM Airlines
Thu 1/2911:45 pmGRU - SEA
1 stop17h 35mLATAM Airlines
Deal found 12/13$779
This FlightHub deal was found by Cheapflights users on 12/12. 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.
Sat 12/137:20 amSEA - GRU
1 stop21h 35mLATAM Airlines
Sat 12/2010:20 amGRU - SEA
2 stops31h 01mLATAM Airlines
Deal found 12/12$930
This GOL deal was found by Cheapflights users on 12/13. 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.
Tue 12/2310:06 pmSEA - GRU
1 stop27h 14mGOL
Thu 1/2912:15 amGRU - SEA
1 stop28h 27mGOL
Deal found 12/13$950
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/1310:40 amSEA - GRU
2 stops18h 40mUnited Airlines
Sat 12/2010:15 pmGRU - SEA
2 stops28h 02mUnited Airlines
Deal found 12/12$990
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/246:45 amSEA - GRU
1 stop21h 45mUnited Airlines
Sun 1/1810:15 pmGRU - SEA
2 stops29h 28mUnited Airlines
Deal found 12/13$995
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/147:00 amSEA - GRU
2 stops19h 10mUnited Airlines
Sun 12/2110:15 pmGRU - SEA
1 stop31h 19mUnited Airlines
Deal found 12/14$1,007
This KAYAK deal was found by Cheapflights users on 12/14. 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 12/146:00 amSEA - GRU
2 stops21h 50mLATAM Airlines
Sun 12/2110:40 pmGRU - SEA
2 stops29h 20mLATAM Airlines
Deal found 12/14$1,109
This Ovago deal was found by Cheapflights users on 12/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:43 pmSEA - VCP
2 stops25h 57mGOL
Sun 1/189:50 amVCP - SEA
2 stops30h 11mGOL
Deal found 12/13$1,509
This Ovago deal was found by Cheapflights users on 12/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:43 pmSEA - CGH
2 stops22h 47mGOL
Sun 1/187:10 pmCGH - SEA
2 stops20h 51mGOL
Deal found 12/13$1,515

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$600
(American Airlines)

One-way from

$319
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$958
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. 4% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 15, 2025.
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

Fri 2/27

11:59 pm-7:15 am

1 stop26h 16m

Sao Paulo Guarulhos Intl

Wed 3/25

10:15 pm-7:03 pm

1 stop24h 48m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 3/1

6:05 am-5:40 am

1 stop18h 35m

Sao Paulo Guarulhos Intl

Tue 3/10

11:55 pm-9:49 pm

2 stops25h 54m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 2/26

6:05 am-5:40 am

1 stop18h 35m

Sao Paulo Guarulhos Intl

Sat 3/21

10:40 am-10:01 am

1 stop27h 21m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 1/18

8:35 am-10:10 am

1 stop20h 35m

Sao Paulo Guarulhos Intl

Sat 1/31

10:00 pm-11:01 am

1 stop18h 01m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 1/25

7:00 am-7:15 am

1 stop19h 15m

Sao Paulo Guarulhos Intl

Sat 2/7

9:45 pm-11:32 am

1 stop18h 47m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 3/9

1:40 pm-9:55 am

1 stop16h 15m

Sao Paulo Guarulhos Intl

Sat 3/14

10:55 pm-9:49 pm

1 stop26h 54m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 1/20

7:35 am-5:20 am

1 stop16h 45m

Sao Paulo Guarulhos Intl

Mon 2/2

9:00 pm-11:19 am

1 stop19h 19m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 2/25

7:10 am-9:55 am

1 stop21h 45m

Sao Paulo Guarulhos Intl

Sat 3/21

10:40 am-10:01 am

1 stop27h 21m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Fri 2/27

11:59 pm-7:15 am

1 stop26h 16m

Sao Paulo Guarulhos Intl

Thu 3/26

10:15 pm-7:03 pm

1 stop24h 48m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Fri 2/27

11:59 pm-7:15 am

1 stop26h 16m

Sao Paulo Guarulhos Intl

Thu 3/19

10:15 pm-7:03 pm

1 stop24h 48m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 44 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Sao Paulo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 12, 2025.

The best time to book flights from Seattle to Sao Paulo is 2 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 $569). 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.

What is the cheapest time of day to fly from SEA to SAO?

Find hourly flight availability from Seattle to Sao Paulo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from Seattle to Sao Paulo by exploring options for tickets in the morning.

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 December 15, 2025.
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
8,008 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,891 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
9,092 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,130 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
11,048 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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 United Airlines, LATAM Airlines, and Delta fly from Seattle to Sao Paulo in about 18h 35m. The time it takes to get you to your destination can typically vary by up to 7h 41m. 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 32% 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 Congonhas or Seattle/Tacoma Intl - Sao Paulo Viracopos, 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 $569). 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$465Average$711FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$494Average$685FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$498Average$658FlexibilityNo cancel feeOn-time69%
DeltaCheapest$498Average$710FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$599Average$1,488FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$745Average$1,295FlexibilityNo cancel feeOn-time67%

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