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Cheap flights from Seattle to Rio de Janeiro from $482

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 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:15 am - 4:45 pm
SEA
-
SDU
29h 30m
2 stops
Multiple Airlines Logo
8:15 am - 7:37 pm
SDU
-
SEA
39h 22m
2 stops
$802Multiple Airlines
Tue, May 5 - Wed, May 20
Air Canada Logo
8:10 am - 4:45 pm
SEA
-
SDU
27h 35m
2 stops
Air Canada Logo
1:50 pm - 10:16 pm
SDU
-
SEA
36h 26m
2 stops
$902Air Canada
Thu, Mar 5 - Wed, Mar 11
Multiple Airlines Logo
8:00 am - 4:45 pm
SEA
-
SDU
28h 45m
2 stops
Multiple Airlines Logo
8:15 am - 7:37 pm
SDU
-
SEA
39h 22m
2 stops
$907Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
8:10 am - 4:40 pm
SEA
-
SDU
27h 30m
2 stops
Multiple Airlines Logo
8:05 pm - 2:58 pm
SDU
-
SEA
22h 53m
2 stops
$922Multiple Airlines
Tue, Feb 24 - Fri, Mar 13
Multiple Airlines Logo
8:10 am - 8:15 pm
SEA
-
SDU
32h 05m
2 stops
Multiple Airlines Logo
1:55 pm - 9:48 pm
SDU
-
SEA
35h 53m
2 stops
$927Multiple Airlines
Fri, Mar 20 - Mon, Mar 30
Multiple Airlines Logo
8:10 am - 4:40 pm
SEA
-
SDU
27h 30m
2 stops
Multiple Airlines Logo
7:10 am - 7:48 pm
SDU
-
SEA
40h 38m
2 stops
$928Multiple Airlines
Thu, Mar 5 - Wed, Mar 18
Multiple Airlines Logo
8:10 am - 7:40 am
SEA
-
SDU
42h 30m
2 stops
Multiple Airlines Logo
8:05 pm - 9:48 pm
SDU
-
SEA
29h 43m
2 stops
$932Multiple Airlines
Tue, Feb 24 - Mon, Mar 16
Multiple Airlines Logo
8:00 am - 5:45 pm
SEA
-
SDU
29h 45m
2 stops
Multiple Airlines Logo
1:45 pm - 9:51 pm
SDU
-
SEA
36h 06m
2 stops
$976Multiple Airlines
Sat, Apr 4 - Thu, Apr 9
Air Canada Logo
8:10 am - 4:40 pm
SEA
-
SDU
27h 30m
2 stops
Air Canada Logo
1:45 pm - 10:16 pm
SDU
-
SEA
36h 31m
2 stops
$982Air Canada
Thu, Mar 5 - Wed, Mar 18
Multiple Airlines Logo
8:13 am - 10:25 pm
SEA
-
SDU
34h 12m
2 stops
Multiple Airlines Logo
6:50 pm - 9:56 pm
SDU
-
SEA
31h 06m
2 stops
$989Multiple Airlines
Tue, May 12 - Mon, May 18

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
Mar 5
SEA8:10 amSeattle/Tacoma Intl
27h 35m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Mar 11
SDU1:50 pmRio de Janeiro Santos Dumont
36h 26m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$902
Air Canada
Mar 5
SEA8:10 amSeattle/Tacoma Intl
27h 30m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
Mar 18
SDU1:45 pmRio de Janeiro Santos Dumont
36h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$982
Air Canada
Feb 23
SEA8:00 amSeattle/Tacoma Intl
27h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Mar 6
SDU1:50 pmRio de Janeiro Santos Dumont
37h 26m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$1,002

United Airlines flights from Seattle to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on Seattle to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Feb 24
SEA9:00 amSeattle/Tacoma Intl
26h 40m
3 stops
SDU4:40 pmRio de Janeiro Santos Dumont
Mar 14
SDU5:30 pmRio de Janeiro Santos Dumont
29h 33m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$1,250
United Airlines
Mar 16
SEA8:00 amSeattle/Tacoma Intl
28h 40m
3 stops
SDU4:40 pmRio de Janeiro Santos Dumont
Mar 19
SDU1:45 pmRio de Janeiro Santos Dumont
33h 18m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$1,315
United Airlines
Feb 23
SEA7:00 amSeattle/Tacoma Intl
28h 40m
3 stops
SDU4:40 pmRio de Janeiro Santos Dumont
Mar 5
SDU1:45 pmRio de Janeiro Santos Dumont
36h 13m
3 stops
SEA8:58 pmSeattle/Tacoma Intl
$1,340

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 January 20, 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

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 5/5

7:15 am-4:45 pm

2 stops29h 30m

Rio de Janeiro Santos Dumont

Wed 5/20

8:15 am-7:37 pm

2 stops39h 22m

$802

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 3/5

8:10 am-4:45 pm

2 stops27h 35m

Rio de Janeiro Santos Dumont

Wed 3/11

1:50 pm-10:16 pm

2 stops36h 26m

$902

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 4/23

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Thu 4/30

8:15 am-7:37 pm

2 stops39h 22m

$907

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 2/24

8:10 am-4:40 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

Fri 3/13

8:05 pm-2:58 pm

2 stops22h 53m

$922

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 3/20

8:10 am-8:15 pm

2 stops32h 05m

Rio de Janeiro Santos Dumont

Mon 3/30

1:55 pm-9:48 pm

2 stops35h 53m

$927

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 3/5

8:10 am-4:40 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

Wed 3/18

7:10 am-7:48 pm

2 stops40h 38m

$928

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 2/24

8:10 am-7:40 am

2 stops42h 30m

Rio de Janeiro Santos Dumont

Mon 3/16

8:05 pm-9:48 pm

2 stops29h 43m

$932

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sat 4/4

8:00 am-5:45 pm

2 stops29h 45m

Rio de Janeiro Santos Dumont

Thu 4/9

1:45 pm-9:51 pm

2 stops36h 06m

$976

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 3/5

8:10 am-4:40 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

Wed 3/18

1:45 pm-10:16 pm

2 stops36h 31m

$982

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 5/12

8:13 am-10:25 pm

2 stops34h 12m

Rio de Janeiro Santos Dumont

Mon 5/18

6:50 pm-9:56 pm

2 stops31h 06m

$989

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 Rio de Janeiro from

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?

Air Canada 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

25h 15m

Direct flights

None
The fastest flight from Seattle to Rio de Janeiro Santos Dumont Airport takes 25h 15m
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

  • 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 25h 15m, 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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