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$453+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$802
(Delta)

One-way from

$454
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$1,354
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. 11% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($97 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:00 amSEA - BSB
2 stops21h 05mLATAM Airlines
Wed 11/54:35 amBSB - SEA
2 stops22h 05mLATAM Airlines
Deal found 7/29$835
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:32 amSEA - BSB
2 stops24h 48mGOL
Thu 11/69:55 amBSB - SEA
1 stop18h 45mGOL
Deal found 7/29$916
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:35 pmSEA - BSB
2 stops26h 30mDelta
Thu 11/277:00 pmBSB - SEA
2 stops26h 38mDelta
Deal found 7/28$924
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 9/138:08 pmSEA - BSB
2 stops24h 12mMultiple Airlines
Sat 9/209:40 amBSB - SEA
1 stop28h 40mMultiple Airlines
Deal found 7/30$935
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:20 pmSEA - BSB
2 stops26h 25mCopa Airlines
Sat 12/201:55 amBSB - SEA
2 stops49h 33mCopa Airlines
Deal found 7/30$1,028
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 10/278:49 pmSEA - BSB
1 stop29h 26mAmerican Airlines
Thu 11/69:55 amBSB - SEA
1 stop18h 45mAmerican Airlines
Deal found 7/29$1,080

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 July 30, 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

Mon 10/27

6:00 am-7:05 am

2 stops21h 05m

Brasilia

Wed 11/5

4:35 am-9:40 pm

2 stops22h 05m

$835

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Mon 10/27

10:32 am-3:20 pm

2 stops24h 48m

Brasilia

Thu 11/6

9:55 am-11:40 pm

1 stop18h 45m

$916

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 11/13

11:35 pm-7:05 am

2 stops26h 30m

Brasilia

Thu 11/27

7:00 pm-4:38 pm

2 stops26h 38m

$924

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 9/13

8:08 pm-12:20 am

2 stops24h 12m

Brasilia

Sat 9/20

9:40 am-10:20 am

1 stop28h 40m

$935

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 11/23

5:20 pm-12:45 am

2 stops26h 25m

Brasilia

Sat 12/20

1:55 am-10:28 pm

2 stops49h 33m

$1,028

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Mon 10/27

8:49 pm-6:15 am

1 stop29h 26m

Brasilia

Thu 11/6

9:55 am-11:40 pm

1 stop18h 45m

$1,080

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Mon 11/24

11:31 pm-10:50 am

3 stops30h 19m

$453

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 9/11

5:14 pm-12:20 am

2 stops27h 06m

$454

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Tue 9/16

11:54 pm-6:40 am

2 stops26h 46m

$608

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 11/27

10:35 pm-7:05 am

2 stops27h 30m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
1
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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 July 30, 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 July 30, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and Copa 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.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,822 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Our cheapest airline available from Seattle to Brasilia is Delta. Our recent data shows that you can find tickets from as low as $802 on this airline. Additional options worth looking into are LATAM Airlines and GOL, starting at $835 and $916 round-trip. Delta is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Brasilia one-way?

    The cheapest airline one-way is Copa Airlines, with whom users have recently found tickets for as low as $454. However, be on the lookout for offers from Avianca and American Airlines, as they are both options that can get you from Seattle to Brasilia for a low price.

  • 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 $1,100). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$881Average$1,503FlexibilityNo cancel feeOn-time71%
GOLCheapest$1,111Average$1,672FlexibilityNo cancel feeOn-time74%

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