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$833+ Cheap flights from Seattle (SEA) to Brasilia (BSB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Seattle to Brasilia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Brasilia (BSB). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$833
(KAYAK)

Popular in

December

Cheapest in

September

Average price

$1,524
Provider with most accurate pricing for Seattle/Tacoma Intl-Brasilia flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Brasilia flights.
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From Seattle/Tacoma Intl to Brasilia
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Highest demand for flights based on searches. 16% potential increase in price ($268 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($124 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Seattle to Brasilia

Cheapest flights from Seattle to Brasilia
Explore the most affordable flight options available from Seattle to Brasilia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:55 amSEA - BSB
2 stops22h 25mLATAM Airlines
Thu 11/2712:25 pmBSB - SEA
2 stops29h 18mLATAM Airlines
Deal found 10/27$833
This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:55 pmSEA - BSB
2 stops27h 10mLATAM Airlines
Sat 1/179:15 amBSB - SEA
2 stops32h 43mLATAM Airlines
Deal found 10/27$872
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:05 amSEA - BSB
2 stops29h 55mMultiple Airlines
Thu 12/189:15 amBSB - SEA
2 stops31h 35mMultiple Airlines
Deal found 10/26$1,170
This GOL deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:35 amSEA - BSB
2 stops24h 20mGOL
Thu 11/279:55 amBSB - SEA
1 stop18h 31mGOL
Deal found 10/28$1,220
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:35 pmSEA - BSB
2 stops33h 30mMultiple Airlines
Thu 1/159:55 amBSB - SEA
2 stops29h 38mMultiple Airlines
Deal found 10/29$1,319
This Ovago deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:36 amSEA - BSB
2 stops21h 29mLATAM Airlines
Wed 1/144:30 amBSB - SEA
2 stops46h 23mLATAM Airlines
Deal found 10/29$1,362
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:43 pmSEA - BSB
1 stop24h 47mAmerican Airlines
Thu 1/159:55 amBSB - SEA
1 stop18h 47mAmerican Airlines
Deal found 10/29$1,438

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Brasilia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Seattle to Brasilia that are best for you.

Fly from

Seattle

Fly to

Brasilia

Route

Depart

Return

Price

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 11/13

7:55 am-11:20 am

2 stops22h 25m

Brasilia

Thu 11/27

12:25 pm-12:43 pm

2 stops29h 18m

$833

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 12/20

10:55 pm-7:05 am

2 stops27h 10m

Brasilia

Sat 1/17

9:15 am-12:58 pm

2 stops32h 43m

$872

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 12/11

8:05 am-7:00 pm

2 stops29h 55m

Brasilia

Thu 12/18

9:15 am-11:50 am

2 stops31h 35m

$1,170

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 11/13

10:35 am-3:55 pm

2 stops24h 20m

Brasilia

Thu 11/27

9:55 am-11:26 pm

1 stop18h 31m

$1,220

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Fri 12/26

11:35 pm-2:05 pm

2 stops33h 30m

Brasilia

Thu 1/15

9:55 am-10:33 am

2 stops29h 38m

$1,319

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Fri 12/26

11:36 am-2:05 pm

2 stops21h 29m

Brasilia

Wed 1/14

4:30 am-9:53 pm

2 stops46h 23m

$1,362

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 2/17

6:00 am-9:10 am

2 stops22h 10m

Brasilia

Thu 2/19

9:15 am-12:29 pm

2 stops32h 14m

$1,429

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 2/17

8:45 am-2:05 pm

2 stops24h 20m

Brasilia

Thu 2/19

9:15 am-12:29 pm

2 stops32h 14m

$1,429

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Seattle to Brasilia

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 Brasilia in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust 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-Brasilia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Brasilia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Brasilia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Brasilia flights, Cheapflights users trust eDreams the most. eDreams 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-Brasilia 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 Brasilia

Have a flexible travel schedule? Discover the best time to fly to Brasilia 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 Brasilia

What is the cheapest time of day to fly from SEA to BSB?

Find hourly flight availability from Seattle to Brasilia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s typically best to fly out from Seattle to Brasilia in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Brasilia

Get insights into the airlines that provide service to Brasilia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brasilia. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown GOL and American Airlines from Seattle to Brasilia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
GOL
7.3
Good
1,121 reviews

Boarding

7.3

Overall

7.3

Food

6.0

Comfort

7.1

Crew

8.1

Entertainment

6.2

Reviews

1 / 7
2.0
Mediocre

Monte,Feb 2025

MIA - BSB

Because of the INCREDIBLY long time to get our checked baggage, gol would not let us board our connecting flight even though we arrived at the luggage check in counter over 30 minutes before take off. We were stranded in Brasilia for two days before a flight to cruzeiro do sol was available
GOL
7.3
Good
1,121 reviews
GOL
7.3
Good
1,121 reviews

Boarding

7.3

Overall

7.3

Food

6.0

Comfort

7.1

Crew

8.1

Entertainment

6.2

Reviews

1 / 7
2.0
Mediocre

Monte,Feb 2025

MIA - BSB

Because of the INCREDIBLY long time to get our checked baggage, gol would not let us board our connecting flight even though we arrived at the luggage check in counter over 30 minutes before take off. We were stranded in Brasilia for two days before a flight to cruzeiro do sol was available
American Airlines
7.2
Good
11,032 reviews
GOL
7.3
Good
1,121 reviews

Boarding

7.3

Overall

7.3

Food

6.0

Comfort

7.1

Crew

8.1

Entertainment

6.2

Reviews

1 / 7
2.0
Mediocre

Monte,Feb 2025

MIA - BSB

Because of the INCREDIBLY long time to get our checked baggage, gol would not let us board our connecting flight even though we arrived at the luggage check in counter over 30 minutes before take off. We were stranded in Brasilia for two days before a flight to cruzeiro do sol was available

Related info for your journey

Find useful and relevant information for your journey from Seattle to Brasilia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Brasilia?

    There are many flights that can get you from Seattle to Brasilia in 22h 25m. Fly via LATAM Airlines to get the fastest option. The distance from Seattle to Brasilia is about 6319 mi.

  • What are the cheapest airlines flying from Seattle to Brasilia round-trip?

    Our cheapest airline available from Seattle to Brasilia is American Airlines. Our recent data shows that you can find tickets from as low as $812 on this airline. An additional option worth looking into is GOL, starting at $1,078. American Airlines is currently priced 41% below the average price you’ll pay for this route.

  • Can I find deals for flights from Seattle to Brasilia that include hotel bookings?

    Yes. In addition to deals on Seattle to Brasilia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Brasilia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Brasilia.

  • Can I find deals for business class flights from Seattle to Brasilia?

    Yes. Cheapflights offers flight deals from Seattle to Brasilia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Seattle to Brasilia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Brasilia flights

Top 2 airlines flying from Seattle to Brasilia

Discover the top 2 airlines that operate flights from Seattle to Brasilia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$812Average$1,503FlexibilityNo cancel feeOn-time71%
GOLCheapest$1,078Average$1,514FlexibilityNo cancel feeOn-time74%

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