HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brasilia

$446+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Brasilia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$954
(Mytrip)

One-way from

$582
(Orbitz)

Popular in

December

Cheapest in

September

Average price

$1,183
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 ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3010:30 pmSEA - BSB
2 stops28h 30mDelta
Mon 5/199:00 amBSB - SEA
2 stops40h 56mDelta
Deal found 4/29$799
This KAYAK deal was found by Cheapflights users on 4/29. 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.
Thu 5/16:00 amSEA - BSB
2 stops21h 00mLATAM Airlines
Wed 5/144:45 pmBSB - SEA
2 stops25h 45mLATAM Airlines
Deal found 4/29$809
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/143:58 pmSEA - BSB
3 stops35h 37mMultiple Airlines
Fri 6/201:55 amBSB - SEA
3 stops41h 08mMultiple Airlines
Deal found 4/30$954
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 8/38:16 pmSEA - BSB
1 stop18h 14mAmerican Airlines
Tue 8/122:20 pmBSB - SEA
2 stops24h 31mAmerican Airlines
Deal found 4/29$993
This Copa Airlines deal was found by Cheapflights users on 4/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:14 pmSEA - BSB
2 stops26h 56mCopa Airlines
Sat 8/91:55 amBSB - SEA
2 stops24h 21mCopa Airlines
Deal found 4/29$998
This Gurufare deal was found by Cheapflights users on 4/29. 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.
Tue 4/2910:22 amSEA - BSB
2 stops24h 38mGOL
Sat 5/1710:10 amBSB - SEA
1 stop16h 57mGOL
Deal found 4/29$1,116

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 May 1, 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

Sat 6/14

3:58 pm-7:35 am

3 stops35h 37m

Brasilia

Fri 6/20

1:55 am-3:03 pm

3 stops41h 08m

$954

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 8/3

5:45 pm-9:10 am

2 stops35h 25m

Brasilia

Tue 8/12

4:45 pm-2:45 pm

2 stops26h 00m

$960

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 6/19

7:40 am-11:30 am

2 stops23h 50m

Brasilia

Wed 7/2

12:45 pm-9:56 pm

2 stops37h 11m

$975

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 8/3

8:16 pm-6:30 pm

1 stop18h 14m

Brasilia

Tue 8/12

2:20 pm-10:51 am

2 stops24h 31m

$993

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 7/26

5:14 pm-12:10 am

2 stops26h 56m

Brasilia

Sat 8/9

1:55 am-10:16 pm

2 stops24h 21m

$998

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Thu 6/19

8:01 pm-6:25 pm

1 stop18h 24m

Brasilia

Wed 7/2

9:15 pm-11:47 pm

2 stops54h 32m

$1,221

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 10/25

5:14 pm-12:08 am

2 stops26h 54m

$446

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 10/25

11:07 pm-6:45 am

1 stop27h 38m

$515

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 8/2

2:37 pm-7:05 am

2 stops36h 28m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Brasilia flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 May 1, 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.

Rainfall in Brasilia by month

Plan your trip to Brasilia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brasilia ranges from 0.0 - 13.0 inches per month. December is typically the wettest month, when rainfall can reach 13.0 in. June is typically the driest time to visit Brasilia when rainfall is around 0.0 in.

Temperature in Brasilia by month

Plan your trip to Brasilia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brasilia, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 68.0 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,414 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
GOL
7.3
Good
1,068 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 LATAM Airlines. Our recent data shows that you can find tickets from as low as $975 on this airline. Additional options worth looking into are Copa Airlines and GOL, starting at $998 and $1,221 round-trip. LATAM Airlines is currently priced 31% 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$838Average$1,478FlexibilityNo cancel feeOn-time71%
GOLCheapest$1,023Average$1,354FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.