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Brasilia

$858+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This GOL deal was found by Cheapflights users on 12/12. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:49 amSEA - BSB
2 stops20h 41mGOL
Sat 1/178:45 pmBSB - SEA
2 stops43h 16mGOL
Deal found 12/12$1,714
This FlightHub deal was found by Cheapflights users on 12/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:00 pmSEA - BSB
2 stops38h 05mLATAM Airlines
Sat 1/179:15 amBSB - SEA
2 stops38h 45mLATAM Airlines
Deal found 12/14$1,730
This FlightHub deal was found by Cheapflights users on 12/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:06 pmSEA - BSB
2 stops31h 44mGOL
Sat 1/1711:00 pmBSB - SEA
1 stop29h 42mGOL
Deal found 12/12$2,315

Find 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$858
(Travelocity)

Popular in

December

Cheapest in

September

Average price

$2,258
Provider with most accurate pricing for Seattle/Tacoma Intl-Brasilia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Brasilia flights.
Search Deals
From Seattle/Tacoma Intl to Brasilia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($269 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($112 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 14, 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 1/28

8:06 am-10:00 am

2 stops20h 54m

Brasilia

Fri 2/27

4:45 am-10:25 pm

2 stops22h 40m

$858

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 1/15

8:15 pm-7:05 am

2 stops29h 50m

Brasilia

Thu 1/29

9:15 am-2:19 pm

2 stops34h 04m

$953

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 1/29

11:55 am-1:05 pm

2 stops20h 10m

Brasilia

Sun 3/1

8:45 pm-11:00 am

2 stops43h 15m

$973

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 3/3

8:10 am-4:30 pm

2 stops27h 20m

Brasilia

Thu 4/16

5:40 pm-9:51 pm

2 stops32h 11m

$989

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 3/3

11:50 am-3:55 pm

2 stops23h 05m

Brasilia

Thu 4/16

6:10 am-10:39 am

2 stops32h 29m

$996

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 3/5

8:10 am-3:55 pm

2 stops26h 45m

Brasilia

Mon 3/9

1:55 pm-10:16 pm

2 stops36h 21m

$1,021

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 1/15

10:30 am-8:00 pm

2 stops28h 30m

Brasilia

Thu 1/29

9:55 am-11:42 pm

1 stop18h 47m

$1,142

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 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 December 14, 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 December 14, 2025.
Read reviews from past customers who have flown 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.
American Airlines
7.2
Good
11,054 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 20h 10m. Fly via GOL to get the fastest option. The distance from Seattle to Brasilia is about 6319 mi.

  • What is the cheapest airline to fly 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. American Airlines is currently priced 35% 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

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 airline flying from Seattle to Brasilia

Discover the top airline 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$812Average$1,503FlexibilityNo cancel feeOn-time71%

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