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$452+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — SEA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. 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.
Wed 3/181:50 pm
SDU
-
SEA
2 stops36h 26m
Air Canada
Mon 4/68:00 am
SEA
-
SDU
2 stops28h 45m
Air Canada
Deal found 1/26$918
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:50 pm
SDU
-
SEA
2 stops37h 26m
Air Canada
Mon 3/98:00 am
SEA
-
SDU
2 stops28h 45m
Air Canada
Deal found 1/26$988
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:45 pm
SDU
-
PDX
2 stops28h 24m
United Airlines
Tue 3/1011:00 am
PDX
-
SDU
2 stops25h 40m
United Airlines
Deal found 1/26$1,205
This LATAM Airlines deal was found by Cheapflights users on 1/24. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:05 pm
SDU
-
SEA
2 stops21h 53m
LATAM Airlines
Mon 3/98:50 am
SEA
-
SDU
2 stops24h 25m
LATAM Airlines
Deal found 1/24$1,306
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:45 pm
SDU
-
SEA
2 stops24h 47m
Air Canada
Thu 7/911:30 am
SEA
-
SDU
2 stops25h 15m
Air Canada
Deal found 1/25$1,482
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:45 pm
SDU
-
SEA
2 stops26h 25m
United Airlines
Mon 3/98:59 am
SEA
-
SDU
3 stops27h 41m
United Airlines
Deal found 1/25$1,704
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Fri 7/171:45 pm
SDU
-
SEA
2 stops24h 47m
Air Canada
Mon 8/1011:30 am
SEA
-
SDU
2 stops25h 15m
Air Canada
Deal found 1/25$1,942
This GOL deal was found by Cheapflights users on 1/25. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:00 am
SDU
-
SEA
2 stops22h 42m
GOL
Fri 2/611:11 pm
SEA
-
SDU
2 stops33h 54m
GOL
Deal found 1/25$2,134
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Fri 7/171:45 pm
SDU
-
SEA
2 stops24h 47m
Multiple Airlines
Mon 8/1011:30 am
SEA
-
SDU
2 stops21h 40m
Multiple Airlines
Deal found 1/25$2,364

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$918
(FlightHub)

One-way from

$452
(Gurufare)

Popular in

December

Cheapest in

March

Average price

$1,360
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.
Search Deals
From Rio de Janeiro Santos Dumont to Washington
Search Deals
One-way flight from Rio de Janeiro Santos Dumont to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Wed 3/18

1:50 pm-10:16 pm

2 stops36h 26m

Seattle/Tacoma Intl

Mon 4/6

8:00 am-4:45 pm

2 stops28h 45m

$918

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Thu 3/5

1:50 pm-10:16 pm

2 stops37h 26m

Seattle/Tacoma Intl

Mon 3/9

8:00 am-4:45 pm

2 stops28h 45m

$988

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Fri 3/6

1:45 pm-1:09 pm

2 stops28h 24m

Portland

Tue 3/10

11:00 am-4:40 pm

2 stops25h 40m

$1,205

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Thu 3/5

8:05 pm-12:58 pm

2 stops21h 53m

Seattle/Tacoma Intl

Mon 3/9

8:50 am-1:15 pm

2 stops24h 25m

$1,306

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Thu 3/5

1:45 pm-11:10 am

2 stops26h 25m

Seattle/Tacoma Intl

Mon 3/9

8:59 am-4:40 pm

3 stops27h 41m

$1,704

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Fri 7/17

1:45 pm-10:32 am

2 stops24h 47m

Seattle/Tacoma Intl

Mon 8/10

11:30 am-4:45 pm

2 stops25h 15m

$1,942

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Fri 7/17

1:45 pm-10:32 am

2 stops24h 47m

Seattle/Tacoma Intl

Mon 8/10

11:30 am-1:10 pm

2 stops21h 40m

$2,364

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Thu 3/12

8:05 pm-12:47 pm

2 stops20h 42m

$452

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Tue 2/17

8:05 pm-10:15 pm

2 stops31h 10m

$500

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Tue 2/17

3:05 pm-11:40 pm

2 stops37h 35m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 14 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, United Airlines, and LATAM Airlines can get you from Rio de Janeiro Santos Dumont Airport to State of Washington in just under 21h 53m. Your travel time can differ by up to 14h 33m. The distance between Rio de Janeiro Santos Dumont Airport and State of Washington is about 6888 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.

See more FAQs

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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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