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Cheap flights from Seattle to Brasilia from $441

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Brasilia departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Brasilia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 am - 6:30 pm
SEA
-
BSB
29h 45m
2 stops
Multiple Airlines Logo
8:45 am - 8:59 pm
BSB
-
SEA
41h 14m
2 stops
$1,087Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Air Canada Logo
7:45 am - 6:30 pm
SEA
-
BSB
29h 45m
2 stops
Air Canada Logo
6:05 am - 8:59 pm
BSB
-
SEA
43h 54m
2 stops
$1,088Air Canada
Wed, Nov 18 - Sun, Nov 22
Air Canada Logo
7:45 am - 6:30 pm
SEA
-
BSB
29h 45m
2 stops
Air Canada Logo
11:15 am - 8:59 pm
BSB
-
SEA
38h 44m
2 stops
$1,109Air Canada
Wed, Nov 18 - Sun, Nov 22
Copa Airlines Logo
6:52 pm - 12:45 am
SEA
-
BSB
25h 53m
2 stops
Copa Airlines Logo
2:00 am - 9:57 pm
BSB
-
SEA
23h 57m
2 stops
$1,147Copa Airlines
Sun, Sep 6 - Sat, Sep 12
Multiple Airlines Logo
11:13 pm - 10:50 am
SEA
-
BSB
31h 37m
2 stops
Multiple Airlines Logo
5:45 pm - 1:25 pm
BSB
-
SEA
24h 40m
2 stops
$1,157Multiple Airlines
Sat, Oct 24 - Tue, Nov 17
GOL Logo
9:00 pm - 5:15 am
SEA
-
BSB
28h 15m
1 stop
GOL Logo
8:40 pm - 11:59 pm
BSB
-
SEA
32h 19m
2 stops
$1,190GOL
Sat, Oct 24 - Tue, Nov 17
Copa Airlines Logo
6:52 pm - 12:45 am
SEA
-
BSB
25h 53m
2 stops
Copa Airlines Logo
2:00 am - 9:59 pm
BSB
-
SEA
47h 59m
2 stops
$1,203Copa Airlines
Sun, Sep 13 - Fri, Sep 25
American Airlines Logo
7:30 am - 7:15 am
SEA
-
BSB
18h 45m
2 stops
American Airlines Logo
9:40 am - 12:07 am
BSB
-
SEA
19h 27m
1 stop
$1,209American Airlines
Wed, Nov 18 - Sun, Nov 22
LATAM Airlines Logo
3:15 pm - 2:05 pm
SEA
-
BSB
18h 50m
2 stops
LATAM Airlines Logo
4:20 am - 9:58 pm
BSB
-
SEA
22h 38m
2 stops
$1,217LATAM Airlines
Sat, Oct 24 - Mon, Nov 16
Multiple Airlines Logo
8:13 am - 7:15 am
SEA
-
BSB
19h 02m
1 stop
Multiple Airlines Logo
2:00 am - 9:54 pm
BSB
-
SEA
23h 54m
2 stops
$1,262Multiple Airlines
Sun, Sep 6 - Sat, Sep 12

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GOL flights from Seattle to Brasilia

Our best GOL deals on Seattle to Brasilia flight tickets
GOL
Oct 24
SEA9:00 pmSeattle/Tacoma Intl
28h 15m
1 stop
BSB5:15 amBrasilia
Nov 17
BSB8:40 pmBrasilia
32h 19m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$1,190
GOL
Oct 24
SEA9:00 pmSeattle/Tacoma Intl
30h 15m
1 stop
BSB7:15 amBrasilia
Nov 17
BSB9:40 amBrasilia
19h 19m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
$1,420
GOL
Dec 14
SEA11:34 amSeattle/Tacoma Intl
25h 56m
2 stops
BSB6:30 pmBrasilia
Dec 30
BSB6:00 pmBrasilia
24h 00m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
$1,500

Copa Airlines flights from Seattle to Brasilia

Our best Copa Airlines deals on Seattle to Brasilia flight tickets
Copa Airlines
Sep 6
SEA6:52 pmSeattle/Tacoma Intl
25h 53m
2 stops
BSB12:45 amBrasilia
Sep 12
BSB2:00 amBrasilia
23h 57m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$1,147
Copa Airlines
Sep 13
SEA6:52 pmSeattle/Tacoma Intl
25h 53m
2 stops
BSB12:45 amBrasilia
Sep 25
BSB2:00 amBrasilia
47h 59m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,203
Copa Airlines
Dec 17
SEA12:24 pmSeattle/Tacoma Intl
31h 26m
2 stops
BSB12:50 amBrasilia
Jan 1
BSB2:00 amBrasilia
24h 49m
2 stops
SEA9:49 pmSeattle/Tacoma Intl
$2,217

momondo 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, momondo users made 832,500 searches. Data last updated July 25, 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

Wed 11/18

7:45 am-6:30 pm

2 stops29h 45m

Brasilia

Sun 11/22

8:45 am-8:59 pm

2 stops41h 14m

$1,087

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 11/18

7:45 am-6:30 pm

2 stops29h 45m

Brasilia

Sun 11/22

6:05 am-8:59 pm

2 stops43h 54m

$1,088

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 11/18

7:45 am-6:30 pm

2 stops29h 45m

Brasilia

Sun 11/22

11:15 am-8:59 pm

2 stops38h 44m

$1,109

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 9/6

6:52 pm-12:45 am

2 stops25h 53m

Brasilia

Sat 9/12

2:00 am-9:57 pm

2 stops23h 57m

$1,147

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 10/24

11:13 pm-10:50 am

2 stops31h 37m

Brasilia

Tue 11/17

5:45 pm-1:25 pm

2 stops24h 40m

$1,157

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 10/24

9:00 pm-5:15 am

1 stop28h 15m

Brasilia

Tue 11/17

8:40 pm-11:59 pm

2 stops32h 19m

$1,190

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 9/13

6:52 pm-12:45 am

2 stops25h 53m

Brasilia

Fri 9/25

2:00 am-9:59 pm

2 stops47h 59m

$1,203
Quickest round-trip

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Wed 11/18

7:30 am-7:15 am

2 stops18h 45m

Brasilia

Sun 11/22

9:40 am-12:07 am

1 stop19h 27m

$1,209

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sat 10/24

3:15 pm-2:05 pm

2 stops18h 50m

Brasilia

Mon 11/16

4:20 am-9:58 pm

2 stops22h 38m

$1,217

SeattleBrasilia

SEA - BSB

SEABSB

Seattle/Tacoma Intl

Sun 9/6

8:13 am-7:15 am

1 stop19h 02m

Brasilia

Sat 9/12

2:00 am-9:54 pm

2 stops23h 54m

$1,262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brasilia from

How to get the cheapest flight ticket from Seattle to Brasilia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Brasilia?

The month of April is another great option to travel to Brasilia, with average flight prices from Seattle averaging around $0.

Can stopping save me money on Seattle to Brasilia flights?

You could potentially save up to 41% on your flight if you consider stops on a Seattle to Brasilia flight.

When to book flights from Seattle to Brasilia

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Brasilia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Brasilia (SEA to BSB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Brasilia

Fastest flight time

18h 15m

Direct flights

None
The fastest flight from Seattle to Brasilia takes 18h 15m
There are no direct flights from Seattle to Brasilia. There are no popular flight routes from Seattle to Brasilia.
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Frequently asked questions about flying from Seattle to Brasilia

  • How far is Seattle/Tacoma Intl to Brasilia by plane?

    The straight-line distance from Seattle/Tacoma Intl to Brasilia is 6321.6 mi. Typically, this will take 18h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Brasilia Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Brasilia Airport refresh daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Brasilia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Brasilia Airport.

  • What documentation or ID do you need to fly to Brasilia Airport?

    The travel and health documents required for your trip to Brasilia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brasilia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Brasilia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Brasilia for you.

Can I find flights from Seattle to Brasilia with flexible booking policies on momondo?

All flight searches from Seattle to Brasilia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Brasilia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Brasilia.

I’m not ready to book a flight from Seattle to Brasilia right now. Can momondo alert me if prices change?

Price alerts on flights to Brasilia from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Brazil

Cabin classes currently available on flights to Brasilia

List of cabin classes available on flights landing in Brasilia. Availability may vary depending on flight origin and airline.
First Class to Brasilia
Business Class to Brasilia