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Cheap flights from Rio de Janeiro Santos Dumont Airport to Seattle from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Seattle departing on 3/31. 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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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:45 pm - 10:16 pm
SDU
-
SEA
36h 31m2 stops
Air Canada Logo
8:00 am - 4:45 pm
SEA
-
SDU
28h 45m2 stops
$911Air Canada
mié., mar. 18 - lun., abr. 6
Multiple Airlines Logo
1:45 pm - 10:16 pm
SDU
-
SEA
36h 31m2 stops
Multiple Airlines Logo
8:00 am - 4:45 pm
SEA
-
SDU
28h 45m2 stops
$920Multiple Airlines
mié., mar. 18 - lun., abr. 6
Air Canada Logo
1:45 pm - 10:16 pm
SDU
-
SEA
37h 31m2 stops
Air Canada Logo
8:10 am - 4:40 pm
SEA
-
SDU
28h 30m2 stops
$971Air Canada
jue., mar. 5 - lun., mar. 9
Air Canada Logo
1:45 pm - 10:16 pm
SDU
-
SEA
37h 31m2 stops
Air Canada Logo
8:10 am - 4:40 pm
SEA
-
SDU
28h 30m2 stops
$973Air Canada
jue., mar. 5 - lun., mar. 9
United Airlines Logo
1:45 pm - 11:10 am
SDU
-
SEA
26h 25m2 stops
United Airlines Logo
8:59 am - 4:40 pm
SEA
-
SDU
27h 41m3 stops
$1,463United Airlines
jue., mar. 5 - lun., mar. 9
United Airlines Logo
1:45 pm - 1:07 pm
SDU
-
SEA
28h 22m2 stops
United Airlines Logo
8:59 am - 4:40 pm
SEA
-
SDU
27h 41m3 stops
$1,467United Airlines
jue., mar. 5 - lun., mar. 9
Air Canada Logo
1:45 pm - 10:32 am
SDU
-
SEA
24h 47m2 stops
Air Canada Logo
11:30 am - 4:45 pm
SEA
-
SDU
25h 15m2 stops
$1,685Air Canada
jue., jun. 18 - jue., jul. 9
Air Canada Logo
1:45 pm - 10:32 am
SDU
-
SEA
24h 47m2 stops
Air Canada Logo
11:30 am - 4:45 pm
SEA
-
SDU
25h 15m2 stops
$1,689Air Canada
jue., jun. 18 - jue., jul. 9

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

Our best United Airlines deals on Rio de Janeiro Santos Dumont Airport to Seattle flight tickets
United Airlines
Mar 5
SDU1:45 pmRio de Janeiro Santos Dumont
26h 25m
2 stops
SEA11:10 amSeattle/Tacoma Intl
Mar 9
SEA8:59 amSeattle/Tacoma Intl
27h 41m
3 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$1,463
Find similar
United Airlines
Mar 5
SDU1:45 pmRio de Janeiro Santos Dumont
28h 22m
2 stops
SEA1:07 pmSeattle/Tacoma Intl
Mar 9
SEA8:59 amSeattle/Tacoma Intl
27h 41m
3 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$1,467
Find similar

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

Our best Air Canada deals on Rio de Janeiro Santos Dumont Airport to Seattle flight tickets
Air Canada
Mar 18
SDU1:45 pmRio de Janeiro Santos Dumont
36h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Apr 6
SEA8:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$911
Find similar
Air Canada
Mar 5
SDU1:45 pmRio de Janeiro Santos Dumont
37h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Mar 9
SEA8:10 amSeattle/Tacoma Intl
28h 30m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$971
Find similar
Air Canada
Mar 5
SDU1:45 pmRio de Janeiro Santos Dumont
37h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Mar 9
SEA8:10 amSeattle/Tacoma Intl
28h 30m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$973
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to Seattle 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 diciembre 30, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 3/18

1:45 pm-10:16 pm

2 stops36h 31m

Seattle/Tacoma Intl

lun. 4/6

8:00 am-4:45 pm

2 stops28h 45m

$911

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 3/18

1:45 pm-10:16 pm

2 stops36h 31m

Seattle/Tacoma Intl

lun. 4/6

8:00 am-4:45 pm

2 stops28h 45m

$920

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 3/5

1:45 pm-10:16 pm

2 stops37h 31m

Seattle/Tacoma Intl

lun. 3/9

8:10 am-4:40 pm

2 stops28h 30m

$971

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 3/5

1:45 pm-10:16 pm

2 stops37h 31m

Seattle/Tacoma Intl

lun. 3/9

8:10 am-4:40 pm

2 stops28h 30m

$973

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 3/5

1:45 pm-11:10 am

2 stops26h 25m

Seattle/Tacoma Intl

lun. 3/9

8:59 am-4:40 pm

3 stops27h 41m

$1,463

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 3/5

1:45 pm-1:07 pm

2 stops28h 22m

Seattle/Tacoma Intl

lun. 3/9

8:59 am-4:40 pm

3 stops27h 41m

$1,467

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 6/18

1:45 pm-10:32 am

2 stops24h 47m

Seattle/Tacoma Intl

jue. 7/9

11:30 am-4:45 pm

2 stops25h 15m

$1,685

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 6/18

1:45 pm-10:32 am

2 stops24h 47m

Seattle/Tacoma Intl

jue. 7/9

11:30 am-4:45 pm

2 stops25h 15m

$1,689

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mar. 3/31

1:45 pm-10:00 pm

3 stops36h 15m

$425

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

dom. 3/1

11:50 am-10:28 am

3 stops27h 38m

$473

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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When to book flights from Rio de Janeiro Santos Dumont Airport to Seattle

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

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

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

Fastest flight time

32h 17m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Seattle takes 32h 17m
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Seattle. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to Seattle.
Search flight deals

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

    A flight from Rio de Janeiro Santos Dumont to Seattle/Tacoma Intl will travel around 6893.6 mi. Flights usually cover this in 32h 17m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Seattle/Tacoma Intl Airport were last updated today.

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Rio de Janeiro Santos Dumont Airport to Seattle?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Rio de Janeiro Santos Dumont Airport from Seattle. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Rio de Janeiro Santos Dumont Airport to Seattle with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Rio de Janeiro.

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

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

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

Once all potential Rio de Janeiro to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Rio de Janeiro to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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