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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 10/1. 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 Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 am - 8:15 pm
SEA
-
SDU
31h 30m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,036Multiple Airlines
Fri, Nov 20 - Wed, Nov 25
Multiple Airlines Logo
7:45 am - 8:15 pm
SEA
-
SDU
31h 30m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,037Multiple Airlines
Fri, Nov 20 - Wed, Nov 25
Multiple Airlines Logo
7:45 am - 5:25 pm
SEA
-
SDU
28h 40m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,050Multiple Airlines
Sun, Nov 15 - Wed, Nov 25
Air Canada Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Air Canada Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,080Air Canada
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Multiple Airlines Logo
8:30 am - 8:59 pm
SDU
-
SEA
41h 29m
2 stops
$1,082Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,083Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Air Canada Logo
7:45 am - 7:55 am
SEA
-
SDU
43h 10m
2 stops
Air Canada Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,084Air Canada
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
29h 00m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,084Multiple Airlines
Mon, Oct 26 - Mon, Nov 2
United Airlines Logo
7:00 am - 4:45 pm
SEA
-
SDU
28h 45m
2 stops
United Airlines Logo
1:45 pm - 2:39 pm
SDU
-
SEA
29h 54m
3 stops
$1,334United Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
7:00 am - 4:45 pm
SEA
-
SDU
28h 45m
2 stops
United Airlines Logo
1:45 pm - 2:39 pm
SDU
-
SEA
29h 54m
3 stops
$1,339United Airlines
Wed, Nov 4 - Wed, Nov 11

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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
Nov 4
SEA7:45 amSeattle/Tacoma Intl
28h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
36h 14m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,080
Air Canada
Nov 4
SEA7:45 amSeattle/Tacoma Intl
28h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
36h 14m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,085
Air Canada
Nov 16
SEA7:45 amSeattle/Tacoma Intl
28h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 19
SDU1:45 pmRio de Janeiro Santos Dumont
36h 14m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,286

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
Nov 4
SEA7:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
29h 54m
3 stops
SEA2:39 pmSeattle/Tacoma Intl
$1,339
United Airlines
Nov 4
SEA7:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
29h 54m
3 stops
SEA2:39 pmSeattle/Tacoma Intl
$1,341
United Airlines
Sep 8
SEA1:57 pmSeattle/Tacoma Intl
22h 48m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Sep 17
SDU1:45 pmRio de Janeiro Santos Dumont
28h 39m
3 stops
SEA2:24 pmSeattle/Tacoma Intl
$1,349

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 July 31, 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

Fri 11/20

7:45 am-8:15 pm

2 stops31h 30m

Rio de Janeiro Santos Dumont

Wed 11/25

1:45 pm-8:59 pm

2 stops36h 14m

$1,036

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 11/20

7:45 am-8:15 pm

2 stops31h 30m

Rio de Janeiro Santos Dumont

Wed 11/25

1:45 pm-8:59 pm

2 stops36h 14m

$1,037

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 11/15

7:45 am-5:25 pm

2 stops28h 40m

Rio de Janeiro Santos Dumont

Wed 11/25

1:45 pm-8:59 pm

2 stops36h 14m

$1,050

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-8:59 pm

2 stops36h 14m

$1,080

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Mon 11/9

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Sun 11/15

8:30 am-8:59 pm

2 stops41h 29m

$1,082

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-8:59 pm

2 stops36h 14m

$1,083

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 11/12

7:45 am-7:55 am

2 stops43h 10m

Rio de Janeiro Santos Dumont

Mon 11/16

1:45 pm-8:59 pm

2 stops36h 14m

$1,084

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Mon 10/26

7:45 am-4:45 pm

2 stops29h 00m

Rio de Janeiro Santos Dumont

Mon 11/2

1:45 pm-8:59 pm

2 stops36h 14m

$1,084
Quickest round-trip

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-2:39 pm

3 stops29h 54m

$1,334

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-2:39 pm

3 stops29h 54m

$1,339

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

23h 10m

Direct flights

None
The fastest flight from Seattle to Rio de Janeiro Santos Dumont Airport takes 23h 10m
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 23h 10m, 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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