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District of Columbia

$248+ Cheap flights from Santos Dumont, Brazil (SDU) to District of Columbia

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — IAD
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Santos Dumont to District of Columbia

Cheapest flights from Santos Dumont to District of Columbia
Explore the most affordable flight options available from Santos Dumont to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This 123 Milhas deal was found by Cheapflights users on 2/12. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:15 pm
SDU
-
DCA
2 stops15h 50m
LATAM Airlines
Tue 9/15:00 pm
DCA
-
SDU
2 stops19h 10m
LATAM Airlines
Deal found 2/12$506
This 123 Milhas deal was found by Cheapflights users on 2/12. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:15 pm
SDU
-
IAD
2 stops16h 36m
LATAM Airlines
Tue 9/112:30 pm
IAD
-
SDU
2 stops23h 40m
LATAM Airlines
Deal found 2/12$506
This LATAM Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 4/258:15 pm
SDU
-
DCA
2 stops18h 46m
LATAM Airlines
Sun 5/35:00 pm
DCA
-
SDU
2 stops19h 10m
LATAM Airlines
Deal found 2/12$540
This Justfly.com deal was found by Cheapflights users on 2/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:05 pm
SDU
-
DCA
2 stops16h 21m
LATAM Airlines
Wed 3/115:09 pm
DCA
-
SDU
2 stops15h 16m
LATAM Airlines
Deal found 2/11$541
This Rumbo deal was found by Cheapflights users on 2/12. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:45 pm
SDU
-
DCA
2 stops24h 15m
LATAM Airlines
Mon 11/302:55 pm
DCA
-
SDU
2 stops15h 40m
LATAM Airlines
Deal found 2/12$548
This 123 Milhas deal was found by Cheapflights users on 2/11. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:05 pm
SDU
-
DCA
2 stops18h 55m
LATAM Airlines
Mon 3/161:45 pm
DCA
-
SDU
2 stops18h 40m
LATAM Airlines
Deal found 2/11$550
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:05 pm
SDU
-
DCA
2 stops22h 22m
LATAM Airlines
Mon 2/1611:06 am
DCA
-
SDU
2 stops24h 09m
LATAM Airlines
Deal found 2/10$571
This Rumbo deal was found by Cheapflights users on 2/12. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:10 pm
SDU
-
IAD
2 stops20h 29m
LATAM Airlines
Mon 11/3012:30 pm
IAD
-
SDU
2 stops22h 40m
LATAM Airlines
Deal found 2/12$579
This Expedia deal was found by Cheapflights users on 2/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:15 pm
SDU
-
DCA
2 stops16h 57m
Multiple Airlines
Tue 12/12:55 pm
DCA
-
SDU
2 stops20h 15m
Multiple Airlines
Deal found 2/13$582
This Expedia deal was found by Cheapflights users on 2/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:20 pm
SDU
-
IAD
2 stops16h 45m
Multiple Airlines
Mon 5/184:10 pm
IAD
-
SDU
2 stops23h 35m
Multiple Airlines
Deal found 2/12$666
This Orbitz deal was found by Cheapflights users on 2/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:05 pm
SDU
-
DCA
2 stops16h 21m
Multiple Airlines
Wed 4/811:05 am
DCA
-
SDU
2 stops28h 40m
Multiple Airlines
Deal found 2/9$682
This Travelocity deal was found by Cheapflights users on 2/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:05 pm
SDU
-
IAD
2 stops17h 34m
Multiple Airlines
Thu 3/199:55 am
IAD
-
SDU
2 stops29h 50m
Multiple Airlines
Deal found 2/12$682

Find flight deals from Santos Dumont to District of Columbia

Keep the following information in mind while searching for Santos Dumont to District of Columbia flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$506
(123 Milhas)

One-way from

$248
(123 Milhas)

Popular in

June

Cheapest in

March

Average price

$590
Provider with most accurate pricing for Rio de Janeiro (RIO)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Washington, D.C. (WAS) flights.
Search Deals
From Rio de Janeiro Santos Dumont to District of Columbia
Search Deals
One-way flight from Rio de Janeiro Santos Dumont to District of Columbia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santos Dumont to District of Columbia 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 February 13, 2026.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to District of Columbia that are best for you.

Fly from

Santos Dumont

Fly to

District of Columbia

Route

Depart

Return

Price

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Tue 8/4

8:15 pm-11:05 am

2 stops15h 50m

Washington, D.C. Reagan-National

Tue 9/1

5:00 pm-1:10 pm

2 stops19h 10m

$506

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Sat 4/25

8:15 pm-2:01 pm

2 stops18h 46m

Washington, D.C. Reagan-National

Sun 5/3

5:00 pm-1:10 pm

2 stops19h 10m

$540

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 5/28

8:15 pm-12:43 pm

2 stops17h 28m

Washington, D.C. Reagan-National

Mon 6/8

2:55 pm-8:35 am

2 stops16h 40m

$540

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 2/26

8:05 pm-10:26 am

2 stops16h 21m

Washington, D.C. Reagan-National

Wed 3/11

5:09 pm-9:25 am

2 stops15h 16m

$541

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Wed 4/1

5:45 pm-5:00 pm

2 stops24h 15m

Washington, D.C. Reagan-National

Mon 11/30

2:55 pm-8:35 am

2 stops15h 40m

$548

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Tue 3/10

8:05 pm-2:00 pm

2 stops18h 55m

Washington, D.C. Reagan-National

Mon 3/16

1:45 pm-9:25 am

2 stops18h 40m

$550

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 4/14

8:20 pm-12:05 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Mon 5/18

4:10 pm-4:45 pm

2 stops23h 35m

$666

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 2/26

8:05 pm-10:26 am

2 stops16h 21m

Washington, D.C. Reagan-National

Wed 4/8

11:05 am-4:45 pm

2 stops28h 40m

$682

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/12

1:50 pm-6:40 am

1 stop17h 50m

Washington, D.C. Dulles Intl

Mon 3/16

11:30 pm-4:45 pm

1 stop16h 15m

$684

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 2/26

8:05 pm-11:44 am

2 stops17h 39m

Washington, D.C. Dulles Intl

Wed 4/8

4:30 pm-4:45 pm

2 stops23h 15m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 32 results
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Best time to book a flight from Santos Dumont to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia
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 District of Columbia. 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 District of Columbia?

    Departing from Rio de Janeiro Santos Dumont Airport to District of Columbia will take you 15h 50m. The distance from Rio de Janeiro Santos Dumont Airport to District of Columbia is about 4794 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Santos Dumont to District of Columbia?

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

  • Can I find deals for business class flights from Santos Dumont to District of Columbia?

    Yes. Cheapflights offers flight deals from Santos Dumont to District of Columbia 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 District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Rio de Janeiro–Galeão Intl to Reagan-National flights
Santos Dumont to Denver flights
Rio de Janeiro–Galeão Intl to Baltimore flights

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