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$374+ Cheap flights from Seattle (SEA) to Brasilia (BSB)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$778
(Trip.com)

One-way from

$374
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$867
From Seattle/Tacoma Intl to Brasilia
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One-way flight from Seattle/Tacoma Intl to Brasilia
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Highest demand for flights based on searches. 13% potential increase in price ($221 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($115 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:53 amSEA - BSB
1 stop18h 22mMultiple Airlines
Tue 11/49:55 amBSB - SEA
1 stop17h 35mMultiple Airlines
Deal found 9/13$778
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/2311:40 amSEA - BSB
2 stops18h 55mAmerican Airlines
Tue 10/142:20 pmBSB - SEA
2 stops24h 34mAmerican Airlines
Deal found 9/13$812
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:25 amSEA - BSB
2 stops43h 35mDelta
Sun 9/289:00 amBSB - SEA
2 stops31h 04mDelta
Deal found 9/13$822
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:00 pmSEA - BSB
2 stops27h 05mDelta
Thu 11/276:05 amBSB - SEA
2 stops35h 38mDelta
Deal found 9/12$826
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:20 pmSEA - BSB
2 stops45h 10mDelta
Sun 9/289:00 amBSB - SEA
2 stops31h 04mDelta
Deal found 9/13$828
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:58 pmSEA - BSB
2 stops31h 12mDelta
Sat 9/277:00 pmBSB - SEA
2 stops32h 54mDelta
Deal found 9/13$832
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amSEA - BSB
2 stops44h 05mDelta
Sun 11/306:05 amBSB - SEA
2 stops57h 14mDelta
Deal found 9/12$839
This KAYAK deal was found by Cheapflights users on 9/13. 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 stops20h 15mLATAM Airlines
Thu 11/277:00 pmBSB - SEA
2 stops24h 29mLATAM Airlines
Deal found 9/13$842

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 September 15, 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

Wed 9/17

6:00 am-7:00 am

2 stops45h 00m

Brasilia

Mon 9/29

9:00 am-4:14 pm

2 stops35h 14m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 11/15

11:40 am-7:05 am

2 stops38h 25m

Brasilia

Mon 11/24

9:15 am-8:44 pm

2 stops40h 29m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 9/18

7:15 am-7:00 am

2 stops19h 45m

Brasilia

Sun 9/28

9:00 am-8:22 pm

2 stops39h 22m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 9/23

9:45 pm-7:00 am

2 stops29h 15m

Brasilia

Thu 10/2

9:00 am-2:04 pm

2 stops33h 04m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 9/17

11:35 am-7:00 am

2 stops39h 25m

Brasilia

Thu 10/2

9:00 am-6:51 pm

2 stops37h 51m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 9/23

9:45 pm-7:00 am

2 stops29h 15m

Brasilia

Mon 9/29

9:00 am-12:04 pm

2 stops31h 04m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 11/11

6:00 am-7:05 am

2 stops20h 05m

Brasilia

Mon 11/24

9:15 am-8:44 pm

2 stops40h 29m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 9/23

7:25 am-7:00 am

2 stops43h 35m

Brasilia

Sun 9/28

9:00 am-8:22 pm

2 stops39h 22m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 9/18

7:15 am-7:00 am

2 stops19h 45m

Brasilia

Wed 10/1

9:00 am-4:14 pm

2 stops35h 14m

$822

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 9/18

7:15 am-7:00 am

2 stops19h 45m

Brasilia

Mon 9/29

9:00 am-4:14 pm

2 stops35h 14m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 12 results
1
2

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 September 15, 2025.

It’s typically best to fly out from Seattle to Brasilia at noon. Doing so could potentially save you 18% on the flight price compared to flying in the morning, 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 September 15, 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
1,105 reviews

Crew

8.2

Boarding

7.3

Entertainment

6.2

Food

5.9

Overall

7.3

Comfort

7.1

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
1,105 reviews
GOL
7.3
Good
1,105 reviews

Crew

8.2

Boarding

7.3

Entertainment

6.2

Food

5.9

Overall

7.3

Comfort

7.1

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
10,000 reviews
GOL
7.3
Good
1,105 reviews

Crew

8.2

Boarding

7.3

Entertainment

6.2

Food

5.9

Overall

7.3

Comfort

7.1

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 45h. Fly via Delta 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 $881 on this airline. An additional option worth looking into is GOL, starting at $1,078. American Airlines is currently priced 38% 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.

  • What is the cheapest month to book a flight from Seattle to Brasilia?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Brasilia (average of $671). Flying from Seattle to Brasilia in December is currently the most expensive (average of $1,102). 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

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$881Average$1,503FlexibilityNo cancel feeOn-time71%
GOLCheapest$1,078Average$1,514FlexibilityNo cancel feeOn-time74%

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