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

Flying on Delta is currently your cheapest option to Sao Paulo, with prices starting at $499. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $508 and $512, respectively. These flights start at 49% 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 Copa Airlines, which is currently one of the cheapest options available, starting at $384. GOL flights start at $385 while deals on United Airlines start at $425 one-way.

What is the cheapest day to fly from Seattle to Sao Paulo?

Travelers seeking maximum savings on their Seattle to Sao Paulo flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

What are the most popular airlines that fly from Seattle to Sao Paulo?

The most popular airlines flying from Seattle to Sao Paulo are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Seattle to Sao Paulo?

Tuesday flights are found to be more expensive to fly from Seattle to Sao Paulo. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sao Paulo.

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

To save on the cost of your flight from Seattle to Sao Paulo, book at least 25 days before your planned departure. Booking around this time can save you about 39% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $695 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $695.

What is the cheapest month to fly from Seattle to Sao Paulo?

February is one of the best times of the year to fly to Sao Paulo from Seattle. Prices for February average $980 per person but you can even find prices for as low as $498. The most expensive prices can be found in the month of December. Opting for a February flight can save you 54% on your journey compared to booking in December

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.

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.

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.

$299+ Flights from Seattle to Sao Paulo, Brazil

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Sao Paulo are usually found in February or March, booked 24 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Sao Paulo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$499 (Delta)
One-way from	$299 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$778

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. 7% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find 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 March 28, 2025.

Thu 3/278:45 amSEA - GRU

1 stop16h 55mLATAM Airlines

Wed 4/910:50 pmGRU - SEA

1 stop27h 23mLATAM Airlines

Deal found 3/26

$498

Wed 10/112:28 pmSEA - GRU

1 stop15h 07mUnited Airlines

Fri 10/3110:15 pmGRU - SEA

1 stop22h 23mUnited Airlines

Deal found 3/26

$499

Thu 3/276:00 amSEA - GRU

1 stop19h 40mDelta

Wed 4/910:50 pmGRU - SEA

1 stop29h 05mDelta

Deal found 3/26

$504

Sun 5/111:10 amSEA - GRU

1 stop26h 05mAmerican Airlines

Mon 5/199:25 pmGRU - SEA

2 stops19h 33mAmerican Airlines

Deal found 3/27

$512

Sat 10/1811:30 pmSEA - GRU

1 stop17h 05mMultiple Airlines

Fri 10/2410:50 pmGRU - SEA

1 stop17h 24mMultiple Airlines

Deal found 3/27

$538

Wed 5/73:20 pmSEA - VCP

2 stops33h 40mMultiple Airlines

Wed 5/2110:10 amVCP - SEA

2 stops32h 15mMultiple Airlines

Deal found 3/26

$703

Tue 4/85:10 pmSEA - GRU

2 stops27h 00mCopa Airlines

Wed 4/233:10 amGRU - SEA

2 stops23h 50mCopa Airlines

Deal found 3/26

$721

Thu 7/248:18 pmSEA - GRU

1 stop32h 02mGOL

Fri 8/19:25 pmGRU - SEA

1 stop30h 42mGOL

Deal found 3/27

$850

Fri 10/1711:07 pmSEA - VCP

2 stops40h 18mGOL

Sat 10/2511:00 pmVCP - SEA

2 stops52h 14mGOL

Deal found 3/25

$1,024

Fri 6/138:01 pmSEA - CGH

2 stops31h 49mGOL

Fri 6/2010:00 pmCGH - SEA

2 stops53h 47mGOL

Deal found 3/27

$1,229

Thu 12/181:17 pmSEA - CGH

2 stops19h 53mAmerican Airlines

Thu 1/86:15 pmCGH - SEA

2 stops21h 26mAmerican Airlines

Deal found 3/26

$2,557

Mon 6/307:50 amSEA - VCP

3 stops31h 10mAmerican Airlines

Mon 7/147:40 pmVCP - SEA

2 stops32h 27mAmerican Airlines

Deal found 3/27

$2,688

Best flights from Seattle to Sao Paulo
Discover carefully curated flight deals from Seattle to Sao Paulo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Tue 4/812:00 pmSEA - GRU

1 stop17h 00mDelta

Thu 4/2410:50 pmGRU - SEA

1 stop22h 10mDelta

Deal found 3/27

$499

Mon 5/2611:50 pmSEA - GRU

1 stop29h 40mUnited Airlines

Mon 6/910:20 pmGRU - SEA

1 stop17h 12mUnited Airlines

Deal found 3/25

$508

Sun 5/111:10 amSEA - GRU

1 stop26h 05mAmerican Airlines

Mon 5/199:25 pmGRU - SEA

2 stops19h 33mAmerican Airlines

Deal found 3/27

$512

Thu 4/2410:59 pmSEA - GRU

2 stops26h 41mMultiple Airlines

Thu 5/110:05 amGRU - SEA

1 stop17h 54mMultiple Airlines

Deal found 3/26

$542

Sat 4/266:00 amSEA - GRU

1 stop19h 40mLATAM Airlines

Sat 5/34:35 pmGRU - SEA

2 stops23h 51mLATAM Airlines

Deal found 3/27

$548

Tue 4/85:10 pmSEA - GRU

2 stops27h 00mCopa Airlines

Wed 4/233:10 amGRU - SEA

2 stops23h 50mCopa Airlines

Deal found 3/26

$721

Thu 7/248:18 pmSEA - GRU

1 stop32h 02mGOL

Fri 8/19:25 pmGRU - SEA

1 stop30h 42mGOL

Deal found 3/27

$850

Wed 5/73:20 pmSEA - VCP

2 stops33h 40mMultiple Airlines

Wed 5/2110:10 amVCP - SEA

2 stops32h 15mMultiple Airlines

Deal found 3/26

$703

Fri 6/138:01 pmSEA - CGH

2 stops31h 49mGOL

Fri 6/2010:00 pmCGH - SEA

2 stops53h 47mGOL

Deal found 3/27

$1,229

Thu 6/198:01 pmSEA - VCP

2 stops34h 39mGOL

Sat 6/289:45 amVCP - SEA

2 stops42h 02mGOL

Deal found 3/26

$1,262

Mon 6/307:50 amSEA - VCP

3 stops31h 10mAmerican Airlines

Mon 7/147:40 pmVCP - SEA

2 stops32h 27mAmerican Airlines

Deal found 3/27

$2,688

Last-minute flights from Seattle to Sao Paulo
Discover last-minute flight deals from Seattle to Sao Paulo. Data last updated March 28, 2025 and is based on user searches.

Thu 3/278:45 amSEA - GRU

1 stop16h 55mLATAM Airlines

Wed 4/910:50 pmGRU - SEA

1 stop27h 23mLATAM Airlines

Deal found 3/26

$498

Mon 3/319:31 amSEA - GRU

1 stop17h 59mAeromexico

Wed 5/219:40 amGRU - SEA

1 stop38h 20mAeromexico

Deal found 3/25

$4,741

Mon 4/712:59 amSEA - GRU

1 stop26h 16mAmerican Airlines

Thu 4/2410:00 pmGRU - SEA

1 stop25h 00mAmerican Airlines

Deal found 3/27

$706

Tue 4/812:00 pmSEA - GRU

1 stop17h 00mDelta

Thu 4/2410:50 pmGRU - SEA

1 stop22h 10mDelta

Deal found 3/27

$499

Tue 4/85:10 pmSEA - GRU

2 stops27h 00mCopa Airlines

Wed 4/233:10 amGRU - SEA

2 stops23h 50mCopa Airlines

Deal found 3/26

$721

Thu 4/106:00 amSEA - GRU

1 stop23h 15mAir Canada

Wed 4/239:40 pmGRU - SEA

1 stop28h 01mAir Canada

Deal found 3/26

$977

Thu 4/1012:59 amSEA - GRU

1 stop26h 16mBritish Airways

Tue 4/1510:00 pmGRU - SEA

1 stop19h 01mBritish Airways

Deal found 3/26

$1,163

Sun 4/138:50 amSEA - GRU

2 stops20h 40mUnited Airlines

Tue 4/229:30 pmGRU - SEA

2 stops29h 30mUnited Airlines

Deal found 3/26

$503

Thu 4/2410:59 pmSEA - GRU

2 stops26h 41mMultiple Airlines

Thu 5/110:05 amGRU - SEA

1 stop17h 54mMultiple Airlines

Deal found 3/26

$542

Mon 4/2812:30 pmSEA - VCP

2 stops36h 30mMultiple Airlines

Sat 6/2110:15 amVCP - SEA

3 stops30h 16mMultiple Airlines

Deal found 3/26

$1,069

One-way flights from Seattle to Sao Paulo
Search for one-way flight options from Seattle to Sao Paulo. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Thu 4/247:35 pmSEA - GRU

2 stops24h 55mMultiple Airlines

Deal found 3/26

$299

Wed 5/73:20 pmSEA - VCP

2 stops33h 40mMultiple Airlines

Deal found 3/26

$336

Sun 5/45:13 pmSEA - GRU

2 stops26h 57mCopa Airlines

Deal found 3/27

$384

Tue 4/1510:10 pmSEA - CGH

2 stops27h 55mGOL

Deal found 3/27

$385

Tue 4/1510:50 amSEA - GRU

1 stop18h 40mUnited Airlines

Deal found 3/27

$425

Mon 4/1412:59 amSEA - GRU

1 stop26h 16mAmerican Airlines

Deal found 3/27

$435

Sat 6/711:40 amSEA - GRU

1 stop17h 35mAir Canada

Deal found 3/26

$628

Tue 4/1510:10 pmSEA - VCP

2 stops32h 30mGOL

Deal found 3/27

$724

Tue 4/89:31 amSEA - GRU

1 stop17h 59mAeromexico

Deal found 3/26

$3,163

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Sao Paulo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 4/8

12:00 pm-9:00 am

1 stop17h 00m

Sao Paulo Guarulhos Intl

Thu 4/24

10:50 pm-5:00 pm

1 stop22h 10m

$499

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 5/26

11:50 pm-9:30 am

1 stop29h 40m

Sao Paulo Guarulhos Intl

Mon 6/9

10:20 pm-11:32 am

1 stop17h 12m

$508

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 5/11

1:10 am-7:15 am

1 stop26h 05m

Sao Paulo Guarulhos Intl

Mon 5/19

9:25 pm-12:58 pm

2 stops19h 33m

$512

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 4/24

10:59 pm-5:40 am

2 stops26h 41m

Sao Paulo Guarulhos Intl

Thu 5/1

10:05 am-11:59 pm

1 stop17h 54m

$542

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sat 4/26

6:00 am-5:40 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Sat 5/3

4:35 pm-12:26 pm

2 stops23h 51m

$548

SeattleSao Paulo

SEA - VCP

SEAVCP

Seattle/Tacoma Intl

Wed 5/7

3:20 pm-5:00 am

2 stops33h 40m

Sao Paulo Viracopos

Wed 5/21

10:10 am-2:25 pm

2 stops32h 15m

$703

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 4/8

5:10 pm-12:10 am

2 stops27h 00m

Sao Paulo Guarulhos Intl

Wed 4/23

3:10 am-11:00 pm

2 stops23h 50m

$721

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 7/24

8:18 pm-8:20 am

1 stop32h 02m

Sao Paulo Guarulhos Intl

Fri 8/1

9:25 pm-12:07 am

1 stop30h 42m

$850

SeattleSao Paulo

SEA - CGH

SEACGH

Seattle/Tacoma Intl

Fri 6/13

8:01 pm-7:50 am

2 stops31h 49m

Sao Paulo Congonhas

Fri 6/20

10:00 pm-11:47 pm

2 stops53h 47m

$1,229

SeattleSao Paulo

SEA - VCP

SEAVCP

Seattle/Tacoma Intl

Thu 6/19

8:01 pm-10:40 am

2 stops34h 39m

Sao Paulo Viracopos

Sat 6/28

9:45 am-11:47 pm

2 stops42h 02m

$1,262

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 20 results

Compare providers for flights from Seattle to Sao Paulo

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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?

The best time to book flights from Seattle to Sao Paulo is 24 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, October is the cheapest month in which you can book a flight from Seattle to Sao Paulo (average of $691). Flying from Seattle to Sao Paulo in December is currently the most expensive (average of $1,209). 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?

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Seattle to Sao Paulo by exploring options for tickets in the afternoon.

Rainfall in Sao Paulo by month

In terms of precipitation, rainfall in Sao Paulo ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit Sao Paulo when rainfall is around 0.8 in.

Temperature in Sao Paulo by month

If weather is an important factor for your trip to Sao Paulo, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Sao Paulo

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Seattle to Sao Paulo by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines

7.5

Good

1,750 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines

7.5

Good

1,395 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico

7.5

Good

1,701 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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.
What are the cheapest airlines flying from Seattle to Sao Paulo round-trip?
Flying on Delta is currently your cheapest option to Sao Paulo, with prices starting at $499. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $508 and $512, respectively. These flights start at 49% 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 Copa Airlines, which is currently one of the cheapest options available, starting at $384. GOL flights start at $385 while deals on United Airlines start at $425 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, October is the cheapest month in which you can book a flight from Seattle to Sao Paulo (average of $691). Flying from Seattle to Sao Paulo in December is currently the most expensive (average of $1,209). 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

Santos

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Seattle to Sao Paulo

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest$498	Average$836	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$576	Average$882	FlexibilityNo cancel fee	On-timeN/A
GOL	Cheapest$599	Average$845	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$608	Average$1,237	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$650	Average$884	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$754	Average$1,170	FlexibilityNo cancel fee	On-time67%

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$299+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Sao Paulo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Sao Paulo are usually found in February or March, booked 24 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Sao Paulo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Sao Paulo

Cheapest flights from Seattle to Sao PauloExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Sao Paulo that are best for you.

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 March.

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.

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 March 21, 2025.

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

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 March 28, 2025.

Rainfall in Sao Paulo by month

Plan your trip to Sao Paulo by taking into account the average rainfall totals by month.

Temperature in Sao Paulo by month

Plan your trip to Sao Paulo by taking into account the average temperature totals by month.

Reviews of airlines servicing Sao Paulo

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Seattle to Sao Paulo by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

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

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Alternative routes for Seattle to Sao Paulo

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Top 6 airlines flying from Seattle to Sao Paulo

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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 March 28, 2025.