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Cheap flights from Seattle to Rio de Janeiro from $464

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 Rio de Janeiro departing on 5/24. 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
0 bags

Find the cheapest flights from Seattle to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 4:45 pm
SEA
-
SDU
28h 45m
2 stops
Multiple Airlines Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
2 stops
$978Multiple Airlines
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
10:30 am - 4:45 pm
SEA
-
SDU
26h 15m
3 stops
Multiple Airlines Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
2 stops
$981Multiple Airlines
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
10:30 am - 4:45 pm
SEA
-
SDU
26h 15m
3 stops
Multiple Airlines Logo
1:45 pm - 2:22 pm
SDU
-
SEA
28h 37m
3 stops
$996Multiple Airlines
Tue, Sep 15 - Wed, Sep 23
Air Canada Logo
8:00 am - 4:45 pm
SEA
-
SDU
28h 45m
2 stops
Air Canada Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
2 stops
$1,001Air Canada
Tue, Oct 6 - Tue, Oct 20
Air Canada Logo
8:00 am - 7:40 am
SEA
-
SDU
43h 40m
2 stops
Air Canada Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
2 stops
$1,002Air Canada
Wed, Sep 23 - Tue, Sep 29
GOL Logo
8:45 pm - 10:25 pm
SEA
-
SDU
21h 40m
2 stops
GOL Logo
6:05 am - 12:07 am
SDU
-
SEA
22h 02m
2 stops
$1,016GOL
Sun, Jul 26 - Fri, Jul 31
Azul Logo
5:40 am - 4:45 pm
SEA
-
SDU
31h 05m
3 stops
Azul Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
3 stops
$1,039Azul
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
8:00 am - 5:45 pm
SEA
-
SDU
29h 45m
2 stops
Multiple Airlines Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
2 stops
$1,083Multiple Airlines
Sat, Sep 26 - Mon, Sep 28
Air Canada Logo
8:00 am - 7:40 am
SEA
-
SDU
43h 40m
2 stops
Air Canada Logo
5:30 pm - 11:16 pm
SDU
-
SEA
33h 46m
2 stops
$1,084Air Canada
Wed, Oct 21 - Sat, Oct 31
Multiple Airlines Logo
8:00 am - 6:45 pm
SEA
-
SDU
30h 45m
2 stops
Multiple Airlines Logo
1:45 pm - 9:04 pm
SDU
-
SEA
35h 19m
2 stops
$1,088Multiple Airlines
Thu, Oct 1 - Thu, Oct 8

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Air Canada flights from Seattle to Rio de Janeiro Santos Dumont Airport

Our best Air Canada deals on Seattle to Rio de Janeiro Santos Dumont Airport flight tickets
Air Canada
Oct 6
SEA8:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Oct 20
SDU1:45 pmRio de Janeiro Santos Dumont
35h 19m
2 stops
SEA9:04 pmSeattle/Tacoma Intl
$1,001
Air Canada
Sep 23
SEA8:00 amSeattle/Tacoma Intl
43h 40m
2 stops
SDU7:40 amRio de Janeiro Santos Dumont
Sep 29
SDU1:45 pmRio de Janeiro Santos Dumont
35h 19m
2 stops
SEA9:04 pmSeattle/Tacoma Intl
$1,002
Air Canada
Oct 21
SEA8:00 amSeattle/Tacoma Intl
43h 40m
2 stops
SDU7:40 amRio de Janeiro Santos Dumont
Oct 31
SDU5:30 pmRio de Janeiro Santos Dumont
33h 46m
2 stops
SEA11:16 pmSeattle/Tacoma Intl
$1,084

GOL flights from Seattle to Rio de Janeiro Santos Dumont Airport

Our best GOL deals on Seattle to Rio de Janeiro Santos Dumont Airport flight tickets
GOL
Jul 26
SEA8:45 pmSeattle/Tacoma Intl
21h 40m
2 stops
SDU10:25 pmRio de Janeiro Santos Dumont
Jul 31
SDU6:05 amRio de Janeiro Santos Dumont
22h 02m
2 stops
SEA12:07 amSeattle/Tacoma Intl
$1,016
GOL
Jun 8
SEA8:45 pmSeattle/Tacoma Intl
21h 30m
2 stops
SDU10:15 pmRio de Janeiro Santos Dumont
Jun 23
SDU6:05 amRio de Janeiro Santos Dumont
22h 03m
2 stops
SEA12:08 amSeattle/Tacoma Intl
$1,114
GOL
Jul 15
SEA8:45 pmSeattle/Tacoma Intl
21h 40m
2 stops
SDU10:25 pmRio de Janeiro Santos Dumont
Jul 22
SDU5:45 pmRio de Janeiro Santos Dumont
34h 22m
2 stops
SEA12:07 amSeattle/Tacoma Intl
$1,126

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Rio de Janeiro Santos Dumont Airport 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 April 30, 2026.
Use the filters below to find and compare flights from Seattle to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/23

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Mon 9/28

1:45 pm-9:04 pm

2 stops35h 19m

$978

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/23

10:30 am-4:45 pm

3 stops26h 15m

Rio de Janeiro Santos Dumont

Mon 9/28

1:45 pm-9:04 pm

2 stops35h 19m

$981

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 9/15

10:30 am-4:45 pm

3 stops26h 15m

Rio de Janeiro Santos Dumont

Wed 9/23

1:45 pm-2:22 pm

3 stops28h 37m

$996

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 10/6

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Tue 10/20

1:45 pm-9:04 pm

2 stops35h 19m

$1,001

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/23

8:00 am-7:40 am

2 stops43h 40m

Rio de Janeiro Santos Dumont

Tue 9/29

1:45 pm-9:04 pm

2 stops35h 19m

$1,002
Quickest round-trip

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 7/26

8:45 pm-10:25 pm

2 stops21h 40m

Rio de Janeiro Santos Dumont

Fri 7/31

6:05 am-12:07 am

2 stops22h 02m

$1,016

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/23

5:40 am-4:45 pm

3 stops31h 05m

Rio de Janeiro Santos Dumont

Mon 9/28

1:45 pm-9:04 pm

3 stops35h 19m

$1,039

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sat 9/26

8:00 am-5:45 pm

2 stops29h 45m

Rio de Janeiro Santos Dumont

Mon 9/28

1:45 pm-9:04 pm

2 stops35h 19m

$1,083

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 10/21

8:00 am-7:40 am

2 stops43h 40m

Rio de Janeiro Santos Dumont

Sat 10/31

5:30 pm-11:16 pm

2 stops33h 46m

$1,084

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 10/1

8:00 am-6:45 pm

2 stops30h 45m

Rio de Janeiro Santos Dumont

Thu 10/8

1:45 pm-9:04 pm

2 stops35h 19m

$1,088

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Rio de Janeiro Santos Dumont Airport

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 airline that flies from Seattle/Tacoma Intl to Rio de Janeiro Santos Dumont?

GOL is the most popular carrier operating from Seattle/Tacoma Intl to Rio de Janeiro Santos Dumont

When to book flights from Seattle to Rio de Janeiro Santos Dumont Airport

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

Cheap Seattle to Rio de Janeiro Santos Dumont Airport (SEA to SDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Rio de Janeiro Santos Dumont Airport

Fastest flight time

20h 40m

Direct flights

None
The fastest flight from Seattle to Rio de Janeiro Santos Dumont Airport takes 20h 40m
There are no direct flights from Seattle to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from Seattle to Rio de Janeiro Santos Dumont Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Rio de Janeiro Santos Dumont Airport

  • How far is Seattle/Tacoma Intl to Rio de Janeiro Santos Dumont by plane?

    Seattle/Tacoma Intl and Rio de Janeiro Santos Dumont are 6893.6 mi apart from one another. Flights usually cover this in 20h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Rio de Janeiro Santos Dumont Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Rio de Janeiro Santos Dumont Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Rio de Janeiro Santos Dumont Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The travel and health documents you'll need for your trip to Rio de Janeiro Santos Dumont Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rio de Janeiro Santos Dumont Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Rio de Janeiro?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Rio de Janeiro. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Rio de Janeiro with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Rio de Janeiro flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Rio de Janeiro?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rio de Janeiro from Seattle.

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

If you are not ready to book a flight from Seattle to Rio de Janeiro now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rio de Janeiro and let you know when they change.

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