Flights from Brasília, Brazil to Seattle, WA
Compare prices from 900+ airlines and find the best deals on flights from BSB to SEA.*Prices shown are estimated based on historical data.
Brasília, Brazil to Seattle, WA
Round-trip flights from BSB to SEA typically cost $693-$866 USD. Prices vary by season, demand, and how far in advance you book. The lowest fares are usually found 6-8 weeks before departure for domestic routes.
Non-stop flights from BSB to SEA take approximately 12h 24m. Actual flight times vary based on weather, air traffic, and aircraft type. Consider arriving at the airport 2 hours before domestic departures.
Airlines operating BSB to SEA include Cathay Pacific, Copa Airlines, Alaska Airlines. Each airline offers different fare classes, baggage policies, and loyalty programs. Compare options to find the best value for your travel needs.
The cheapest day to fly BSB to SEA is typically Tuesday. Mid-week flights are 10-20% cheaper than weekend departures. For best prices, book 6-8 weeks before your trip. Avoid booking less than 2 weeks out when fares spike.
Fares range from $693 to $1299 depending on dates, class, and airline.
Prices based on 500 searches. Updated hourly.
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About Flights from Brasília, Brazil to Seattle, WA
Looking for cheap flights from Brasília, Brazil (BSB) to Seattle, WA (SEA)? You've come to the right place. Fly2Any compares prices from over 900 airlines to help you find the best deals on this popular route.
Flight Information
Flights from BSB to SEA typically take around 12h 24m. The flight covers a distance of 6116 miles. Multiple airlines operate this route, including Cathay Pacific, Copa Airlines, Alaska Airlines.
Best Time to Book
For the best prices on BSB to SEA flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.
Price data last updated: April 2026
Airlines on This Route
Several major airlines serve the Brasília, Brazil to Seattle, WA route, including:
- Cathay Pacific (CX)
- Copa Airlines (CM)
- Alaska Airlines (AS)
Frequently Asked Questions - BSB to SEA Flights
How long is the flight from Brasília, Brazil to Seattle, WA?
Direct flights from Brasília, Brazil (BSB) to Seattle, WA (SEA) take approximately 12h 24m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.
When is the best time to book BSB to SEA flights?
For the best prices on BSB to SEA flights, book 6-8 weeks in advance for domestic routes or 2-4 months ahead for international travel. Domestic flights are typically 20-40% cheaper in off-peak months. Peak season months (July, August) have higher prices, while January and February typically offer the best deals.
What are the cheapest days to fly from Brasília, Brazil to Seattle, WA?
Tuesday and Wednesday departures are typically 15-25% cheaper than weekend flights on the BSB to SEA route. Saturday is usually the most expensive day to fly. For additional savings, consider red-eye flights or early morning departures, which often have lower fares and less crowded airports.
Which airlines fly from BSB to SEA?
Multiple airlines serve the BSB to SEA route. Compare prices across all carriers using Fly2Any to find the best combination of price, timing, and amenities.
What is the cheapest month to fly from Brasília, Brazil to Seattle, WA?
The cheapest months to fly from BSB to SEA are typically January, February, September. Domestic flights are typically 20-40% cheaper in off-peak months. Avoid peak travel periods like July and August when prices can be 30-50% higher. Use Fly2Any's price alerts to get notified when fares drop.
What is the baggage allowance for BSB to SEA flights?
Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers may charge $25-$60 for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.
Are there direct flights from Brasília, Brazil to Seattle, WA?
Yes, several airlines offer nonstop flights from BSB to SEA. Direct flights take approximately 12h 24m. If you're flexible with your schedule, connecting flights through major hubs like ATL or ORD may offer lower prices.
How much do flights from Brasília, Brazil to Seattle, WA cost?
Prices for BSB to SEA flights typically range from $150-$500 roundtrip for economy class, depending on when you book and travel dates. Use Fly2Any to compare all airlines and find current deals. Setting a price alert ensures you never miss a fare drop.
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