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$443+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — SEA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 diciembre 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 12/9. 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.
mié. 12/312:30 pmSDU - SEA
2 stops35h 13mLATAM Airlines
sáb. 1/1711:55 amSEA - SDU
2 stops25h 20mLATAM Airlines
Deal found 12/9$2,015
This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2611:20 amSDU - SEA
2 stops39h 56mAir Canada
dom. 2/18:10 amSEA - SDU
2 stops25h 20mAir Canada
Deal found 12/10$2,301
This LATAM Airlines deal was found by Cheapflights users on 12/11. 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.
jue. 12/258:05 pmSDU - SEA
2 stops21h 16mLATAM Airlines
sáb. 1/38:45 amSEA - SDU
2 stops19h 50mLATAM Airlines
Deal found 12/11$2,730

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,261
(United Airlines)

One-way from

$443
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,467
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
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 12, 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

dom. 1/25

2:50 pm-8:57 pm

2 stops35h 07m

Seattle/Tacoma Intl

dom. 2/1

2:10 pm-2:30 pm

2 stops43h 20m

$1,261

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

jue. 5/7

1:45 pm-10:37 am

2 stops24h 52m

Seattle/Tacoma Intl

dom. 5/10

11:50 pm-4:45 pm

2 stops36h 55m

$1,459

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 12/31

2:30 pm-8:43 pm

2 stops35h 13m

Seattle/Tacoma Intl

sáb. 1/17

11:55 am-6:15 pm

2 stops25h 20m

$2,015

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

sáb. 1/31

6:00 am-11:19 am

3 stops34h 19m

$443

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

dom. 2/1

8:05 pm-10:26 am

2 stops43h 21m

$445

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

dom. 2/22

9:20 pm-10:04 pm

3 stops53h 44m

$505

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

dom. 2/8

5:40 pm-12:00 pm

2 stops23h 20m

$537

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

mié. 12/24

8:05 pm-12:42 am

3 stops33h 37m

$703

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

dom. 2/22

8:25 pm-11:42 pm

2 stops32h 17m

$827

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

jue. 1/1

7:55 am-10:24 pm

2 stops43h 29m

$1,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 15 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?

    United Airlines can get you from Rio de Janeiro Santos Dumont Airport to State of Washington in just under 35h 07m. Your travel time can differ by up to . The distance between Rio de Janeiro Santos Dumont Airport and State of Washington is about 6888 mi.

  • 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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