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$585+ Cheap flights from Santos Dumont, Brazil (SDU) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — SEA
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
1 adult, Economy
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Cheap flight deals from Santos Dumont to Washington

Keep the following information in mind while searching for Santos Dumont to Washington flight deals. Data was last updated octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(Air Canada)

One-way from

$585
(KAYAK)

Popular in

August

Cheapest in

November

Average price

$1,105
Provider with most accurate pricing for Rio de Janeiro (RIO)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Seattle/Tacoma Intl flights.
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From Rio de Janeiro Santos Dumont to Washington
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One-way flight from Rio de Janeiro Santos Dumont to Washington
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Highest demand for flights based on searches. 15% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Santos Dumont to Washington

Cheapest flights from Santos Dumont to Washington
Explore the most affordable flight options available from Santos Dumont to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:00 amSDU - SEA
2 stops22h 16mGOL
jue. 1/110:06 pmSEA - SDU
2 stops19h 19mGOL
Deal found 10/21$1,564
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:00 amSDU - SEA
2 stops22h 16mGOL
sáb. 1/310:06 pmSEA - SDU
2 stops19h 19mGOL
Deal found 10/21$1,653
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:00 amSDU - SEA
2 stops22h 16mGOL
jue. 1/110:06 pmSEA - SDU
2 stops19h 19mGOL
Deal found 10/21$1,781
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:00 amSDU - SEA
2 stops22h 16mGOL
vie. 1/210:06 pmSEA - SDU
2 stops19h 19mGOL
Deal found 10/21$1,870
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/185:40 pmSDU - SEA
2 stops22h 50mGOL
sáb. 1/310:06 pmSEA - SDU
2 stops19h 19mGOL
Deal found 10/21$1,959
This FlightHub deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/185:40 pmSDU - SEA
2 stops22h 50mGOL
jue. 1/110:06 pmSEA - SDU
2 stops19h 19mGOL
Deal found 10/22$2,068

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santos Dumont to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 23, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Washington that are best for you.

Fly from

Santos Dumont

Fly to

Washington

Route

Depart

Return

Price

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mar. 3/10

11:25 am-10:16 pm

2 stops38h 51m

Seattle/Tacoma Intl

mar. 3/17

8:10 am-2:20 pm

2 stops26h 10m

$827

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 3/25

11:25 am-10:16 pm

2 stops38h 51m

Seattle/Tacoma Intl

dom. 3/29

8:00 am-2:20 pm

2 stops26h 20m

$931

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

sáb. 4/11

11:25 am-9:51 pm

2 stops38h 26m

Seattle/Tacoma Intl

mar. 4/21

8:00 am-2:20 pm

2 stops26h 20m

$1,039

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

mié. 3/25

8:05 pm-11:05 am

2 stops43h 00m

Portland

dom. 3/29

6:04 am-1:40 pm

2 stops27h 36m

$1,152

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mar. 12/16

6:00 am-11:16 pm

2 stops22h 16m

Seattle/Tacoma Intl

jue. 1/1

10:06 pm-10:25 pm

2 stops19h 19m

$1,564

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mar. 12/16

6:00 am-11:16 pm

2 stops22h 16m

Seattle/Tacoma Intl

sáb. 1/3

10:06 pm-10:25 pm

2 stops19h 19m

$1,653

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mar. 12/16

6:00 am-11:16 pm

2 stops22h 16m

Seattle/Tacoma Intl

vie. 1/2

10:06 pm-10:25 pm

2 stops19h 19m

$1,653

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 12/17

6:00 am-11:16 pm

2 stops22h 16m

Seattle/Tacoma Intl

vie. 1/2

10:06 pm-10:25 pm

2 stops19h 19m

$1,870

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 12/18

5:40 pm-11:30 am

2 stops22h 50m

Seattle/Tacoma Intl

jue. 1/1

10:06 pm-10:25 pm

2 stops19h 19m

$1,870

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 12/17

6:00 am-11:16 pm

2 stops22h 16m

Seattle/Tacoma Intl

sáb. 1/3

10:06 pm-10:25 pm

2 stops19h 19m

$1,870

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 23 results
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Best time to book a flight from Santos Dumont to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Santos Dumont with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rio de Janeiro Santos Dumont Airport to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Santos Dumont to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rio de Janeiro Santos Dumont Airport to State of Washington?

    Air Canada, Delta, and LATAM Airlines can get you from Rio de Janeiro Santos Dumont Airport to State of Washington in just under 27h 13m. Your travel time can differ by up to 15h 47m. The distance between Rio de Janeiro Santos Dumont Airport and State of Washington is about 6849 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Santos Dumont to Washington that include hotel bookings?

    Yes. In addition to deals on Santos Dumont to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santos Dumont to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santos Dumont to Washington.

  • Can I find deals for business class flights from Santos Dumont to Washington?

    Yes. Cheapflights offers flight deals from Santos Dumont to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Santos Dumont to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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