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Brasilia

$524+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Copa Airlines deal was found by Cheapflights users on 3/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:22 pm
SEA
-
BSB
2 stops27h 23m
Copa Airlines
Tue 8/252:00 am
BSB
-
SEA
2 stops25h 24m
Copa Airlines
Deal found 3/8$796
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Wed 8/125:22 pm
SEA
-
BSB
2 stops27h 23m
Copa Airlines
Wed 8/262:00 am
BSB
-
SEA
2 stops23h 56m
Copa Airlines
Deal found 3/8$947
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:10 am
SEA
-
BSB
2 stops29h 20m
Multiple Airlines
Tue 11/246:00 am
BSB
-
SEA
2 stops45h 16m
Multiple Airlines
Deal found 3/10$1,022
This Copa Airlines deal was found by Cheapflights users on 3/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:22 pm
SEA
-
BSB
2 stops32h 28m
Copa Airlines
Tue 4/282:00 am
BSB
-
SEA
2 stops25h 27m
Copa Airlines
Deal found 3/8$1,036
This Gotogate deal was found by Cheapflights users on 3/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
SEA
-
BSB
2 stops30h 30m
Multiple Airlines
Tue 4/2811:35 am
BSB
-
SEA
2 stops38h 18m
Multiple Airlines
Deal found 3/6$1,157
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:09 am
SEA
-
BSB
1 stop19h 06m
Multiple Airlines
Thu 8/279:00 am
BSB
-
SEA
2 stops40h 56m
Multiple Airlines
Deal found 3/8$1,180
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:20 am
SEA
-
BSB
2 stops35h 50m
Multiple Airlines
Wed 8/269:40 am
BSB
-
SEA
1 stop16h 16m
Multiple Airlines
Deal found 3/8$1,185
This Copa Airlines deal was found by Cheapflights users on 3/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/151:05 pm
SEA
-
BSB
2 stops31h 50m
Copa Airlines
Tue 3/242:00 am
BSB
-
SEA
2 stops26h 59m
Copa Airlines
Deal found 3/11$1,190
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:20 am
SEA
-
BSB
2 stops35h 50m
Multiple Airlines
Wed 8/269:40 am
BSB
-
SEA
1 stop16h 16m
Multiple Airlines
Deal found 3/8$1,191
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:10 am
SEA
-
BSB
2 stops30h 20m
Air Canada
Sun 11/13:15 pm
BSB
-
SEA
2 stops36h 01m
Air Canada
Deal found 3/8$1,197
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:09 am
SEA
-
BSB
2 stops36h 36m
Multiple Airlines
Wed 8/269:40 am
BSB
-
SEA
1 stop16h 16m
Multiple Airlines
Deal found 3/8$1,201
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
SEA
-
BSB
1 stop31h 07m
GOL
Tue 8/259:55 am
BSB
-
SEA
1 stop17h 47m
GOL
Deal found 3/8$1,207

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$796
(Copa Airlines)

One-way from

$524
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$981
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
One-way flight from Seattle/Tacoma Intl to Brasilia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($231 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 March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Seattle to Brasilia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 5/26

5:20 pm-12:45 am

2 stops27h 25m

Brasilia

Fri 6/5

2:00 am-1:13 am

2 stops27h 13m

$1,036

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 5/27

5:20 pm-12:45 am

2 stops27h 25m

Brasilia

Sat 6/6

2:00 am-1:29 am

2 stops27h 29m

$1,036

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 8/9

9:25 pm-6:55 am

2 stops29h 30m

Brasilia

Mon 8/24

9:00 am-12:58 pm

2 stops31h 58m

$1,354

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 8/12

11:50 am-6:55 am

2 stops39h 05m

Brasilia

Sun 8/23

9:00 am-6:52 pm

2 stops37h 52m

$1,354

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 8/9

9:25 pm-6:55 am

2 stops29h 30m

Brasilia

Wed 8/26

6:30 am-7:33 pm

2 stops41h 03m

$1,359

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Mon 8/10

11:50 am-6:55 am

2 stops39h 05m

Brasilia

Thu 8/27

6:30 am-2:23 pm

2 stops35h 53m

$1,359

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 6/21

10:00 pm-12:20 am

2 stops22h 20m

Brasilia

Wed 8/12

7:45 pm-7:00 pm

2 stops27h 15m

$1,365

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 6/17

9:55 pm-2:05 pm

2 stops36h 10m

Brasilia

Sun 8/16

7:45 pm-7:33 pm

2 stops51h 48m

$1,385

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 6/21

9:55 pm-11:25 am

2 stops33h 30m

Brasilia

Sun 8/16

7:45 pm-7:33 pm

2 stops51h 48m

$1,385

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 8/15

7:50 am-6:55 am

2 stops43h 05m

Brasilia

Sun 8/23

9:00 am-2:39 pm

2 stops33h 39m

$1,394

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Brasilia flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 March 11, 2026.
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
7.1
Good
11,419 reviews

Overall

7.1

Comfort

7.2

Entertainment

6.9

Crew

7.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,419 reviews
American Airlines
7.1
Good
11,419 reviews

Overall

7.1

Comfort

7.2

Entertainment

6.9

Crew

7.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 27h 25m. Fly via Copa Airlines or Delta to get the fastest option. The distance from Seattle to Brasilia is about 6319 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$812Average$1,503FlexibilityNo cancel feeOn-time71%

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