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Cheap flights from Seattle to Sao Paulo, Brazil

SEA — SAO
3 Aug — 10 Aug1
1 adult

Cheap 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 29 July 2025.

Popular in

December

Cheapest in

May

Average price

C$ 842
Highest demand for flights based on searches. 17% potential increase in price (C$ 315 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 93 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 25 July 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Sao Paulo, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 663). Flying from Seattle to Sao Paulo in December is currently the most expensive (average of C$ 1,140). 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’s the top layover airport for flights from Seattle to Sao Paulo?

Share of one-stop round-trip flights from Seattle to Sao Paulo chosen by Cheapflights users in the past 12 months, using the same layover each way.

Houston (IAH) – chosen by Cheapflights users on 50% of one-stop itineraries from Seattle to Sao Paulo on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Sao Paulo?

Average round-trip fare for 1-stop flights from Seattle to Sao Paulo, chosen by Cheapflights users in the past 12 months, with the same layover each way.

New York (JFK) is the most affordable 1-stop option, with an average round-trip price of C$ 755.

What’s the fastest layover option from Seattle to Sao Paulo?

Shortest average travel time for 1-stop one-way flights from Seattle to Sao Paulo, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 10h 49m.

Which airport typically offers the quickest layover for flights from Seattle to Sao Paulo?

Average layover duration for 1-stop one-way flights from Seattle to Sao Paulo, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 22m.

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 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers 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 0 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.

  • 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 C$ 663). Flying from Seattle to Sao Paulo in December is currently the most expensive (average of C$ 1,140). 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.

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Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Sao Paulo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Sao Paulo with no change fees?

Yes, we can. To see specific flights from Seattle to Sao Paulo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Sao Paulo become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to Sao Paulo on Cheapflights with our Price Alert feature and get notified when better prices are available.

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