$698+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BSB
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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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
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Cheapest flights from Seattle to BrasiliaExplore 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 11, 2026.
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 11, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:35 pm -
2 stops28h 05m
Sat 11/211:55 am -
2 stops26h 23m
Deal found 9/10![Copa Airlines logo]()
$1,247
This Copa Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/146:52 pm -
2 stops49h 53m
Tue 9/222:00 am -
2 stops23h 51m
Deal found 9/11![Copa Airlines logo]()
$1,259
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:43 pm -
2 stops26h 02m
Wed 10/142:00 am -
2 stops27h 15m
Deal found 9/10![Copa Airlines logo]()
$1,309
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
2 stops33h 45m
Sun 11/229:55 am -
1 stop30h 28m
Deal found 9/10![Multiple Airlines logo]()
$1,361
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
2 stops28h 55m
Sun 11/229:55 am -
1 stop30h 28m
Deal found 9/10![Multiple Airlines logo]()
$1,410
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/176:00 am -
2 stops24h 20m
Sun 11/229:55 am -
1 stop30h 28m
Deal found 9/9![Multiple Airlines logo]()
$1,414
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:25 pm -
2 stops25h 20m
Sun 10/182:00 am -
2 stops37h 35m
Deal found 9/10![Copa Airlines logo]()
$1,611
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:00 pm -
2 stops30h 55m
Thu 10/159:15 am -
1 stop16h 44m
Deal found 9/10![Multiple Airlines logo]()
$1,667
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:14 pm -
1 stop29h 06m
Sun 11/229:55 am -
1 stop19h 04m
Deal found 9/10![GOL logo]()
$1,714
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:24 am -
2 stops26h 21m
Mon 10/199:55 am -
1 stop18h 04m
Deal found 9/10![Multiple Airlines logo]()
$1,738
Best flights from Seattle to BrasiliaDiscover carefully curated flight deals from Seattle to Brasilia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Seattle to Brasilia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Thu 3/47:45 am -
2 stops28h 10m
Mon 3/85:40 am -
2 stops44h 19m
Deal found 9/8![Air Canada logo]()
$1,155
This KAYAK deal was found by Cheapflights users on 9/7. 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 1/187:00 am -
2 stops22h 50m
Wed 1/2711:45 am -
2 stops28h 45m
Deal found 9/7![Multiple Airlines logo]()
$1,238
This Copa Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 11/171:16 pm -
2 stops30h 24m
Sat 11/211:55 am -
2 stops26h 23m
Deal found 9/9![Copa Airlines logo]()
$1,247
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:16 pm -
2 stops30h 24m
Sat 11/211:55 am -
2 stops24h 55m
Deal found 9/10![Copa Airlines logo]()
$1,247
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:43 pm -
2 stops26h 02m
Wed 10/142:00 am -
2 stops27h 15m
Deal found 9/10![Copa Airlines logo]()
$1,309
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:00 pm -
2 stops30h 55m
Thu 10/159:15 am -
1 stop16h 44m
Deal found 9/10![Multiple Airlines logo]()
$1,667
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:24 am -
2 stops26h 21m
Mon 10/199:55 am -
1 stop18h 04m
Deal found 9/10![Multiple Airlines logo]()
$1,738
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:25 pm -
2 stops25h 20m
Sun 10/182:00 am -
2 stops37h 35m
Deal found 9/10![Copa Airlines logo]()
$1,611
Last-minute flights from Seattle to BrasiliaDiscover last-minute flight deals from Seattle to Brasilia. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Brasilia. Data last updated September 11, 2026 and is based on user searches.
This Copa Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/146:52 pm -
2 stops49h 53m
Tue 9/222:00 am -
2 stops23h 51m
Deal found 9/11![Copa Airlines logo]()
$1,259
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:43 pm -
2 stops26h 02m
Wed 10/142:00 am -
2 stops27h 15m
Deal found 9/10![Copa Airlines logo]()
$1,309
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:00 pm -
2 stops30h 55m
Thu 10/159:15 am -
1 stop16h 44m
Deal found 9/10![Multiple Airlines logo]()
$1,667
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:24 am -
2 stops26h 21m
Mon 10/199:55 am -
1 stop18h 04m
Deal found 9/10![Multiple Airlines logo]()
$1,738
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:25 pm -
2 stops25h 20m
Sun 10/182:00 am -
2 stops37h 35m
Deal found 9/10![Copa Airlines logo]()
$1,611
One-way flights from Seattle to BrasiliaSearch for one-way flight options from Seattle to Brasilia. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Seattle to Brasilia. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:15 pm -
2 stops24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$698
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,155 (Air Canada) |
Popular in | December |
Cheapest in | May |
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 7,457,451 searches. Data last updated September 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
Cheapest round-trip
Quickest round-trip
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Sun 9/27
8:15 pm-12:45 am
2 stops24h 30m
Brasilia
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$698
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Thu 3/4
7:45 am-4:55 pm
2 stops28h 10m
Brasilia
Mon 3/8
5:40 am-8:59 pm
2 stops44h 19m
$1,155
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Mon 1/18
7:00 am-10:50 am
2 stops22h 50m
Brasilia
Wed 1/27
11:45 am-11:30 am
2 stops28h 45m
$1,238
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Tue 11/17
1:16 pm-12:40 am
2 stops30h 24m
Brasilia
Sat 11/21
1:55 am-11:18 pm
2 stops26h 23m
$1,247
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Wed 11/11
1:16 pm-12:40 am
2 stops30h 24m
Brasilia
Sat 11/21
1:55 am-9:50 pm
2 stops24h 55m
$1,247
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Thu 10/8
6:43 pm-12:45 am
2 stops26h 02m
Brasilia
Wed 10/14
2:00 am-1:15 am
2 stops27h 15m
$1,309
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Fri 10/16
7:25 pm-12:45 am
2 stops25h 20m
Brasilia
Sun 10/18
2:00 am-11:35 am
2 stops37h 35m
$1,611
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Thu 10/8
8:00 pm-6:55 am
2 stops30h 55m
Brasilia
Thu 10/15
9:15 am-9:59 pm
1 stop16h 44m
$1,667
SeattleBrasilia
SEA Seattle/Tacoma Intl - BSB Brasilia
SEABSB
Seattle/Tacoma Intl
Thu 10/15
12:24 am-6:45 am
2 stops26h 21m
Brasilia
Mon 10/19
9:55 am-11:59 pm
1 stop18h 04m
$1,738
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SEA-BSB
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.
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.
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