The cheapest times to fly from SEA to GRU are

  • February 5th to April 22nd (except the week of March 5th)
  • August 13th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to GRU is mid November. Prices can be as high as $2072 for Saturday flights during late December, or as low as $862 for Tuesday flights around mid November.


When to Fly to São Paulo

Flying from Seattle, WA (SEA) to Sao Paulo (GRU) will usually cost between $914 to $1668 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $924. Due to high demand the most expensive time to fly is late December, with an average price of $1744. Planning your trip to low-cost times can easily save you $820 on economy flights and even more on first-class flights. Generally, any price below $1102 can be considered a good price for a round-trip SEA to GRU flight.

See below for a graph of average weekly prices for the SEA to GRU route. All prices are for round-trip tickets in USD.

SEA to GRU Flight Prices

Compared to other flights, the SEA to GRU flight is slightly more expensive than the average and costs about as much as the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $198 (15%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1080. Return trip prices are from the GRU to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to GRU can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 11 minutes may not be realistic.


Flight Hacking SEA to GRU

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to GRU — but Champion Traveler does!

Hack #1: Vancouver (SEA > YVR > GRU)

  • Price for both tickets: $918
  • Average savings: $184 (16.7%)

See SEA to YVR flights

Hack #2: Boston, MA (SEA > BOS > GRU)

  • Price for both tickets: $969
  • Average savings: $133 (12.07%)

See SEA to BOS flights

Hack #3: Las Vegas, NV (SEA > LAS > GRU)

  • Price for both tickets: $981
  • Average savings: $121 (10.98%)

See SEA to LAS flights


Flight Questions Answered

Still have questions about flying from SEA to GRU? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Aeromexico, Air Canada, Alaska, American, Avianca, COPA, Delta, Gol, JetBlue, Korean Air, LATAM, United, and potentially more during busy seasons.

How far away is it from Guarulhos Gov Andre Franco Montoro Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 6778 miles or 10908 kilometers.

How long does it take to fly from SEA to GRU?

The real-world flight time for a nonstop SEA to GRU flight is about 13 hour 11 minutes.

How many flights go between Seattle, WA and Sao Paulo?

It depends on the day of the week and the date, but a typical day might have around 58 available flights from SEA to GRU.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code GRU
Destination airport name Guarulhos Gov Andre Franco Montoro Airport
City Sao Paulo
Country Brazil
Latitude -23.4
Longitude -46.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.