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 $510. Additional round-trip tickets that might be worth considering are offered by United Airlines and LATAM Airlines, with the lowest prices starting at $511 and $514, respectively. These flights start at 35% 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 $394. United Airlines flights start at $448 while deals on American Airlines start at $449 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 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.

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.

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

May is one of the best times of the year to fly to Sao Paulo from Seattle. Prices for May average $796 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 May flight can save you 72% on your journey compared to booking in December

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.

$288+ Flights from Seattle to Sao Paulo, Brazil

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle to Sao Paulo with Cheapflights

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Sao Paulo are usually found in May or July, booked 27 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Sao Paulo

Round-trip from	$510 (Delta)
One-way from	$288 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$993

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. 19% potential increase in price ($187 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 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 June 12, 2025.

Wed 10/13:20 pmSEA - GRU

1 stop37h 40mDelta

Thu 10/309:30 pmGRU - SEA

1 stop21h 22mDelta

Deal found 6/10

$510

Mon 8/257:10 amSEA - GRU

1 stop20h 25mUnited Airlines

Wed 9/109:30 pmGRU - SEA

1 stop27h 12mUnited Airlines

Deal found 6/10

$511

Thu 9/47:18 amSEA - GRU

1 stop21h 32mLATAM Airlines

Tue 9/238:30 pmGRU - SEA

1 stop21h 57mLATAM Airlines

Deal found 6/11

$514

Thu 7/177:20 amSEA - GRU

1 stop18h 15mMultiple Airlines

Thu 7/2410:50 pmGRU - SEA

1 stop29h 05mMultiple Airlines

Deal found 6/11

$598

Wed 10/15:26 pmSEA - GRU

2 stops27h 04mCopa Airlines

Thu 10/301:39 amGRU - SEA

2 stops25h 31mCopa Airlines

Deal found 6/10

$721

Sun 7/67:20 amSEA - GRU

1 stop22h 25mAir Canada

Tue 7/159:40 pmGRU - SEA

1 stop17h 20mAir Canada

Deal found 6/10

$724

Sun 8/105:30 pmSEA - VCP

2 stops32h 05mMultiple Airlines

Fri 8/1510:15 amVCP - SEA

3 stops33h 48mMultiple Airlines

Deal found 6/12

$767

Sun 8/35:15 amSEA - GRU

1 stop22h 00mAmerican Airlines

Tue 8/1210:00 pmGRU - SEA

2 stops20h 01mAmerican Airlines

Deal found 6/11

$851

Mon 8/48:16 pmSEA - VCP

2 stops34h 24mGOL

Sun 8/319:45 amVCP - SEA

2 stops42h 29mGOL

Deal found 6/10

$1,290

Thu 7/108:16 pmSEA - CGH

2 stops21h 24mGOL

Thu 7/246:25 amCGH - SEA

2 stops45h 32mGOL

Deal found 6/11

$1,294

Sun 8/1711:59 pmSEA - CGH

3 stops35h 51mMultiple Airlines

Sat 8/236:00 amCGH - SEA

3 stops29h 58mMultiple Airlines

Deal found 6/10

$1,568

Thu 12/181:17 pmSEA - CGH

2 stops19h 53mAmerican Airlines

Thu 1/86:15 pmCGH - SEA

2 stops21h 26mAmerican Airlines

Deal found 6/11

$2,612

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 June 12, 2025.

Wed 10/13:20 pmSEA - GRU

1 stop37h 40mDelta

Thu 10/309:30 pmGRU - SEA

1 stop21h 22mDelta

Deal found 6/10

$510

Mon 8/257:10 amSEA - GRU

1 stop20h 25mUnited Airlines

Wed 9/109:30 pmGRU - SEA

1 stop27h 12mUnited Airlines

Deal found 6/10

$511

Thu 9/47:18 amSEA - GRU

1 stop21h 32mLATAM Airlines

Tue 9/238:30 pmGRU - SEA

1 stop21h 57mLATAM Airlines

Deal found 6/11

$514

Thu 7/177:20 amSEA - GRU

1 stop18h 15mMultiple Airlines

Thu 7/2410:50 pmGRU - SEA

1 stop29h 05mMultiple Airlines

Deal found 6/11

$598

Wed 10/15:26 pmSEA - GRU

2 stops27h 04mCopa Airlines

Thu 10/301:39 amGRU - SEA

2 stops25h 31mCopa Airlines

Deal found 6/10

$721

Sun 7/67:20 amSEA - GRU

1 stop22h 25mAir Canada

Tue 7/159:40 pmGRU - SEA

1 stop17h 20mAir Canada

Deal found 6/10

$724

Sun 8/35:15 amSEA - GRU

1 stop22h 00mAmerican Airlines

Mon 8/119:25 pmGRU - SEA

2 stops19h 17mAmerican Airlines

Deal found 6/11

$851

Mon 8/48:16 pmSEA - VCP

2 stops34h 24mGOL

Sun 8/319:45 amVCP - SEA

2 stops42h 29mGOL

Deal found 6/10

$1,290

Sun 8/105:30 pmSEA - VCP

2 stops32h 05mMultiple Airlines

Fri 8/1510:15 amVCP - SEA

3 stops33h 48mMultiple Airlines

Deal found 6/12

$767

Thu 7/108:16 pmSEA - CGH

2 stops21h 24mGOL

Thu 7/246:25 amCGH - SEA

2 stops45h 32mGOL

Deal found 6/11

$1,294

Sun 8/1711:59 pmSEA - CGH

3 stops35h 51mMultiple Airlines

Sat 8/236:00 amCGH - SEA

3 stops29h 58mMultiple Airlines

Deal found 6/10

$1,568

Wed 7/27:50 amSEA - VCP

3 stops31h 10mAmerican Airlines

Thu 7/177:40 pmVCP - SEA

2 stops32h 17mAmerican Airlines

Deal found 6/12

$3,047

Last-minute flights from Seattle to Sao Paulo
Discover last-minute flight deals from Seattle to Sao Paulo. Data last updated June 12, 2025 and is based on user searches.

Thu 6/1212:55 pmSEA - GRU

1 stop16h 35mUnited Airlines

Mon 6/1610:20 pmGRU - SEA

1 stop24h 33mUnited Airlines

Deal found 6/11

$612

Thu 6/121:22 amSEA - GRU

1 stop25h 53mAmerican Airlines

Tue 6/1710:00 pmGRU - SEA

1 stop25h 10mAmerican Airlines

Deal found 6/11

$903

Mon 6/167:20 amSEA - GRU

1 stop21h 30mLATAM Airlines

Sat 6/218:10 amGRU - SEA

2 stops40h 37mLATAM Airlines

Deal found 6/9

$615

Thu 6/196:00 amSEA - GRU

3 stops35h 30mLATAM Airlines

Mon 6/2310:05 amGRU - SEA

2 stops32h 34mLATAM Airlines

Deal found 6/11

$645

Thu 6/193:58 pmSEA - GRU

3 stops30h 12mMultiple Airlines

Mon 6/233:35 pmGRU - SEA

3 stops31h 42mMultiple Airlines

Deal found 6/11

$1,168

Thu 6/191:22 amSEA - GRU

1 stop25h 53mAmerican Airlines

Sat 6/289:25 pmGRU - SEA

2 stops19h 13mAmerican Airlines

Deal found 6/11

$1,458

Fri 6/205:15 amSEA - GRU

2 stops24h 15mUnited Airlines

Tue 7/19:30 pmGRU - SEA

1 stop31h 26mUnited Airlines

Deal found 6/11

$722

Fri 6/203:58 pmSEA - VCP

3 stops35h 17mMultiple Airlines

Sat 6/289:30 amVCP - SEA

3 stops33h 33mMultiple Airlines

Deal found 6/11

$1,571

Sat 6/218:01 pmSEA - VCP

2 stops34h 39mGOL

Sat 6/289:45 amVCP - SEA

2 stops42h 02mGOL

Deal found 6/10

$1,684

Sat 6/218:01 pmSEA - CGH

2 stops19h 24mGOL

Sat 6/286:00 pmCGH - SEA

2 stops33h 47mGOL

Deal found 6/10

$1,984

Wed 7/27:50 amSEA - VCP

3 stops31h 10mAmerican Airlines

Thu 7/177:40 pmVCP - SEA

2 stops32h 17mAmerican Airlines

Deal found 6/12

$3,047

Sun 7/67:20 amSEA - GRU

1 stop22h 25mAir Canada

Tue 7/159:40 pmGRU - SEA

1 stop17h 20mAir Canada

Deal found 6/10

$724

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 June 12, 2025.

Mon 9/158:25 amSEA - GRU

2 stops38h 32mMultiple Airlines

Deal found 6/9

$288

Wed 9/175:14 pmSEA - GRU

2 stops27h 16mCopa Airlines

Deal found 6/9

$394

Wed 9/178:37 amSEA - CGH

2 stops22h 13mMultiple Airlines

Deal found 6/9

$427

Sun 9/147:10 amSEA - GRU

1 stop20h 25mUnited Airlines

Deal found 6/9

$448

Mon 10/275:46 amSEA - GRU

1 stop22h 44mAmerican Airlines

Deal found 6/10

$449

Wed 11/268:20 pmSEA - GRU

2 stops33h 10mAir Canada

Deal found 6/11

$559

Sun 6/153:58 pmSEA - VCP

2 stops21h 47mMultiple Airlines

Deal found 6/9

$642

Wed 11/267:00 amSEA - GRU

1 stop17h 40mLATAM Airlines

Deal found 6/10

$668

Tue 9/168:00 amSEA - CGH

2 stops33h 55mLATAM Airlines

Deal found 6/9

$728

Sat 9/1312:40 amSEA - GRU

2 stops28h 10mDelta

Deal found 6/9

$748

Sat 7/511:37 amSEA - VCP

2 stops22h 58mUnited Airlines

Deal found 6/10

$3,499

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

Wed 10/1

3:20 pm-9:00 am

1 stop37h 40m

Sao Paulo Guarulhos Intl

Thu 10/30

9:30 pm-2:52 pm

1 stop21h 22m

$510

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 8/25

7:10 am-7:35 am

1 stop20h 25m

Sao Paulo Guarulhos Intl

Wed 9/10

9:30 pm-8:42 pm

1 stop27h 12m

$511

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 9/4

7:18 am-8:50 am

1 stop21h 32m

Sao Paulo Guarulhos Intl

Tue 9/23

8:30 pm-2:27 pm

1 stop21h 57m

$514

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 7/17

7:20 am-5:35 am

1 stop18h 15m

Sao Paulo Guarulhos Intl

Thu 7/24

10:50 pm-11:55 pm

1 stop29h 05m

$598

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 10/1

5:26 pm-12:30 am

2 stops27h 04m

Sao Paulo Guarulhos Intl

Thu 10/30

1:39 am-11:10 pm

2 stops25h 31m

$721

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 7/6

7:20 am-9:45 am

1 stop22h 25m

Sao Paulo Guarulhos Intl

Tue 7/15

9:40 pm-11:00 am

1 stop17h 20m

$724

SeattleSao Paulo

SEA - VCP

SEAVCP

Seattle/Tacoma Intl

Sun 8/10

5:30 pm-5:35 am

2 stops32h 05m

Sao Paulo Viracopos

Fri 8/15

10:15 am-4:03 pm

3 stops33h 48m

$767

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 8/3

5:15 am-7:15 am

1 stop22h 00m

Sao Paulo Guarulhos Intl

Tue 8/12

10:00 pm-2:01 pm

2 stops20h 01m

$851

SeattleSao Paulo

SEA - VCP

SEAVCP

Seattle/Tacoma Intl

Mon 8/4

8:16 pm-10:40 am

2 stops34h 24m

Sao Paulo Viracopos

Sun 8/31

9:45 am-12:14 am

2 stops42h 29m

$1,290

SeattleSao Paulo

SEA - CGH

SEACGH

Seattle/Tacoma Intl

Thu 7/10

8:16 pm-9:40 pm

2 stops21h 24m

Sao Paulo Congonhas

Thu 7/24

6:25 am-11:57 pm

2 stops45h 32m

$1,294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 24 results

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 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, April is the cheapest month in which you can book a flight from Seattle to Sao Paulo (average of $687). 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

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LATAM Airlines

7.5

Good

1,785 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Copa Airlines

7.5

Good

1,451 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

GOL

7.3

Good

1,073 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $510. Additional round-trip tickets that might be worth considering are offered by United Airlines and LATAM Airlines, with the lowest prices starting at $511 and $514, respectively. These flights start at 35% 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 $394. United Airlines flights start at $448 while deals on American Airlines start at $449 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, April is the cheapest month in which you can book a flight from Seattle to Sao Paulo (average of $687). 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

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$775	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$498	Average$856	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$498	Average$835	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$498	Average$865	FlexibilityNo cancel fee	On-time69%
GOL	Cheapest$599	Average$845	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$754	Average$1,055	FlexibilityNo cancel fee	On-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$288+ 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 9/15. 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 May or July, booked 27 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Sao Paulo

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 June 12, 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 June 12, 2025.

Cheapflights Fare Finder

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

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 June 9, 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 June 12, 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.

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

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Seattle to Sao Paulo

100% Free

Book with Flexibility

Travel Smart

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 June 12, 2025.